diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCaller.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCaller.java
index 7d360da..52ecd84 100644
--- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCaller.java
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCaller.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -27,7 +27,6 @@
 import org.onap.policy.common.endpoints.http.client.HttpClient;
 import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
 import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
 import org.slf4j.Logger;
@@ -50,20 +49,12 @@
      * @param params target specification
      * @throws PolicyApiException if an error occurs
      */
-    public PolicyApiCaller(RestServerParameters params) throws PolicyApiException {
-        BusTopicParams busParams = new BusTopicParams();
-        busParams.setClientName("policy-api");
-        busParams.setHostname(params.getHost());
-        busParams.setManaged(false);
-        busParams.setPassword(params.getPassword());
-        busParams.setPort(params.getPort());
-        busParams.setUseHttps(params.isHttps());
-        busParams.setUserName(params.getUserName());
-
+    public PolicyApiCaller(BusTopicParams params) throws PolicyApiException {
         try {
-            httpClient = makeClient(busParams);
+            params.setClientName("policy-api");
+            httpClient = makeClient(params);
         } catch (HttpClientConfigException e) {
-            throw new PolicyApiException("connection to host: " + busParams.getHostname(), e);
+            throw new PolicyApiException("connection to host: " + params.getHostname(), e);
         }
     }
 
@@ -92,7 +83,7 @@
             }
 
         } catch (RuntimeException e) {
-            logger.warn("policy-api connection error");
+            logger.warn("policy-api connection error, client info: {} ", httpClient);
             throw new PolicyApiException(type.toString(), e);
         }
     }
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java
index d80572a..7512fb7 100644
--- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/XacmlApplicationServiceProvider.java
@@ -1,7 +1,7 @@
 /* ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -27,7 +27,7 @@
 import java.util.List;
 import java.util.Map;
 import org.apache.commons.lang3.tuple.Pair;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.models.decisions.concepts.DecisionRequest;
 import org.onap.policy.models.decisions.concepts.DecisionResponse;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
@@ -66,7 +66,7 @@
      * @param pathForData Local Path
      * @param policyApiParameters API rest parameters
      */
-    void             initialize(Path pathForData, RestServerParameters policyApiParameters)
+    void             initialize(Path pathForData, BusTopicParams policyApiParameters)
             throws XacmlApplicationException;
 
     /**
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslator.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslator.java
index 329a21c..3222f4a 100644
--- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslator.java
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslator.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -51,7 +51,7 @@
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
 import org.apache.commons.lang3.tuple.Pair;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.coder.StandardYamlCoder;
@@ -92,7 +92,7 @@
     private final Map<ToscaConceptIdentifier, MatchablePolicyType> matchableCache = new HashMap<>();
 
     @Setter
-    private RestServerParameters apiRestParameters;
+    private BusTopicParams apiRestParameters;
     @Setter
     private Path pathForData;
 
@@ -579,7 +579,6 @@
             policyTemplate = api.getPolicyType(policyTypeId);
         } catch (PolicyApiException e) {
             LOGGER.error("Failed to make API call", e);
-            LOGGER.error("parameters: {} ", this.apiRestParameters);
             return null;
         }
         LOGGER.info("Successfully pulled {}", policyTypeId);
diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java
index fcfbf53..5e00499 100644
--- a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProvider.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -41,7 +41,7 @@
 import java.util.Properties;
 import lombok.Getter;
 import org.apache.commons.lang3.tuple.Pair;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.models.decisions.concepts.DecisionRequest;
 import org.onap.policy.models.decisions.concepts.DecisionResponse;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
@@ -64,7 +64,7 @@
 
     private Path pathForData = null;
     @Getter
-    private RestServerParameters policyApiParameters;
+    private BusTopicParams policyApiParameters;
     private Properties pdpProperties = null;
     private PDPEngine pdpEngine = null;
     private Map<ToscaPolicy, Path> mapLoadedPolicies = new HashMap<>();
@@ -84,7 +84,7 @@
     }
 
     @Override
-    public void initialize(Path pathForData, RestServerParameters policyApiParameters)
+    public void initialize(Path pathForData, BusTopicParams policyApiParameters)
             throws XacmlApplicationException {
         //
         // Save our path
diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCallerTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCallerTest.java
index 31cb481..23ebbaa 100644
--- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCallerTest.java
+++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/PolicyApiCallerTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -47,7 +47,6 @@
 import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
 import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.network.NetworkUtil;
@@ -69,7 +68,7 @@
     private static final String UNKNOWN_TYPE = "unknown";
 
     private static int port;
-    private static RestServerParameters clientParams;
+    private static BusTopicParams clientParams;
 
     private PolicyApiCaller api;
 
@@ -83,8 +82,8 @@
     public static void setUpBeforeClass() throws Exception {
         port = NetworkUtil.allocPort();
 
-        clientParams = mock(RestServerParameters.class);
-        when(clientParams.getHost()).thenReturn("localhost");
+        clientParams = mock(BusTopicParams.class);
+        when(clientParams.getHostname()).thenReturn("localhost");
         when(clientParams.getPort()).thenReturn(port);
 
         Properties props = new Properties();
@@ -93,7 +92,7 @@
         final String svcpfx =
                         PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + CLIENT_NAME;
 
-        props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, clientParams.getHost());
+        props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, clientParams.getHostname());
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_PORT_SUFFIX,
                         Integer.toString(clientParams.getPort()));
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_REST_CLASSES_SUFFIX,
@@ -106,7 +105,7 @@
 
         HttpServletServerFactoryInstance.getServerFactory().build(props).forEach(HttpServletServer::start);
 
-        assertTrue(NetworkUtil.isTcpPortOpen(clientParams.getHost(), clientParams.getPort(), 100, 100));
+        assertTrue(NetworkUtil.isTcpPortOpen(clientParams.getHostname(), clientParams.getPort(), 100, 100));
     }
 
     @AfterClass
diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslatorTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslatorTest.java
index 1de1d79..5cd54e8 100644
--- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslatorTest.java
+++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdMatchableTranslatorTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,9 +58,9 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
 import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.coder.CoderException;
@@ -85,7 +85,7 @@
     private static final String CLIENT_NAME = "policy-api";
     private static final StandardYamlCoder yamlCoder = new StandardYamlCoder();
     private static int port;
-    private static RestServerParameters clientParams;
+    private static BusTopicParams clientParams;
     private static ToscaServiceTemplate testTemplate;
 
     @ClassRule
@@ -106,8 +106,8 @@
         //
         port = NetworkUtil.allocPort();
 
-        clientParams = mock(RestServerParameters.class);
-        when(clientParams.getHost()).thenReturn("localhost");
+        clientParams = mock(BusTopicParams.class);
+        when(clientParams.getHostname()).thenReturn("localhost");
         when(clientParams.getPort()).thenReturn(port);
 
         Properties props = new Properties();
@@ -116,7 +116,7 @@
         final String svcpfx =
                         PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + CLIENT_NAME;
 
-        props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, clientParams.getHost());
+        props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, clientParams.getHostname());
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_PORT_SUFFIX,
                         Integer.toString(clientParams.getPort()));
         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_REST_CLASSES_SUFFIX,
@@ -129,7 +129,7 @@
 
         HttpServletServerFactoryInstance.getServerFactory().build(props).forEach(HttpServletServer::start);
 
-        assertTrue(NetworkUtil.isTcpPortOpen(clientParams.getHost(), clientParams.getPort(), 100, 100));
+        assertTrue(NetworkUtil.isTcpPortOpen(clientParams.getHostname(), clientParams.getPort(), 100, 100));
         //
         // Load our test policy type
         //
diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProviderTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProviderTest.java
index 7d5dd66..76f2255 100644
--- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProviderTest.java
+++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/std/StdXacmlApplicationServiceProviderTest.java
@@ -56,7 +56,7 @@
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.models.decisions.concepts.DecisionRequest;
 import org.onap.policy.models.decisions.concepts.DecisionResponse;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
@@ -80,7 +80,7 @@
     private static final String POLICY_NAME = "my-name";
     private static final String POLICY_VERSION = "1.2.3";
     private static final String POLICY_TYPE = "my-type";
-    private static final RestServerParameters apiRestParameters = new RestServerParameters();
+    private static final BusTopicParams apiRestParameters = new BusTopicParams();
 
     @Mock
     private ToscaPolicyTranslator trans;
diff --git a/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplicationTest.java b/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplicationTest.java
index 5b32b2a..f0e82d2 100644
--- a/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplicationTest.java
+++ b/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplicationTest.java
@@ -50,7 +50,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runners.MethodSorters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.TextFileUtils;
@@ -73,7 +73,7 @@
     private static final Logger LOGGER = LoggerFactory.getLogger(GuardPdpApplicationTest.class);
     private static Properties properties = new Properties();
     private static File propertiesFile;
-    private static RestServerParameters clientParams = new RestServerParameters();
+    private static BusTopicParams clientParams = new BusTopicParams();
     private static XacmlApplicationServiceProvider service;
     private static DecisionRequest requestVfCount;
     private static StandardCoder gson = new StandardCoder();
diff --git a/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/SonCoordinationTest.java b/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/SonCoordinationTest.java
index ba51f55..a4f4778 100644
--- a/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/SonCoordinationTest.java
+++ b/applications/guard/src/test/java/org/onap/policy/xacml/pdp/application/guard/SonCoordinationTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,7 +45,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runners.MethodSorters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.TextFileUtils;
@@ -66,7 +66,7 @@
     private static final Logger LOGGER = LoggerFactory.getLogger(SonCoordinationTest.class);
     private static Properties properties = new Properties();
     private static File propertiesFile;
-    private static RestServerParameters clientParams = new RestServerParameters();
+    private static BusTopicParams clientParams = new BusTopicParams();
     private static XacmlApplicationServiceProvider service;
     private static DecisionRequest requestVpciNode1;
     private static DecisionRequest requestVsonhNode1;
diff --git a/applications/match/src/main/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplication.java b/applications/match/src/main/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplication.java
index 444c481..cd16a2c 100644
--- a/applications/match/src/main/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplication.java
+++ b/applications/match/src/main/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplication.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -25,7 +25,7 @@
 
 import java.nio.file.Path;
 import java.util.Arrays;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
@@ -54,7 +54,7 @@
     }
 
     @Override
-    public void initialize(Path pathForData, RestServerParameters policyApiParameters)
+    public void initialize(Path pathForData, BusTopicParams policyApiParameters)
             throws XacmlApplicationException {
         //
         // Store our API parameters and path for translator so it
diff --git a/applications/match/src/test/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplicationTest.java b/applications/match/src/test/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplicationTest.java
index a8b1399..ff154d9 100644
--- a/applications/match/src/test/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplicationTest.java
+++ b/applications/match/src/test/java/org/onap/policy/xacml/pdp/application/match/MatchPdpApplicationTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -44,7 +44,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runners.MethodSorters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.ResourceUtils;
@@ -67,7 +67,7 @@
     private static XacmlApplicationServiceProvider service;
     private static StandardCoder gson = new StandardCoder();
     private static DecisionRequest baseRequest;
-    private static RestServerParameters clientParams;
+    private static BusTopicParams clientParams;
 
     @ClassRule
     public static final TemporaryFolder policyFolder = new TemporaryFolder();
@@ -79,8 +79,8 @@
      */
     @BeforeClass
     public static void setUp() throws Exception {
-        clientParams = mock(RestServerParameters.class);
-        when(clientParams.getHost()).thenReturn("localhost");
+        clientParams = mock(BusTopicParams.class);
+        when(clientParams.getHostname()).thenReturn("localhost");
         when(clientParams.getPort()).thenReturn(6969);
         //
         // Load Single Decision Request
diff --git a/applications/monitoring/src/test/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplicationTest.java b/applications/monitoring/src/test/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplicationTest.java
index 1c2967d..a1f1892 100644
--- a/applications/monitoring/src/test/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplicationTest.java
+++ b/applications/monitoring/src/test/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplicationTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -41,7 +41,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runners.MethodSorters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.TextFileUtils;
@@ -67,7 +67,7 @@
     private static DecisionRequest requestPolicyType;
 
     private static StandardCoder gson = new StandardCoder();
-    private static RestServerParameters clientParams = new RestServerParameters();
+    private static BusTopicParams clientParams = new BusTopicParams();
 
     @ClassRule
     public static final TemporaryFolder policyFolder = new TemporaryFolder();
diff --git a/applications/naming/src/test/java/org/onap/policy/xacml/pdp/application/naming/NamingPdpApplicationTest.java b/applications/naming/src/test/java/org/onap/policy/xacml/pdp/application/naming/NamingPdpApplicationTest.java
index 98385ca..841333d 100644
--- a/applications/naming/src/test/java/org/onap/policy/xacml/pdp/application/naming/NamingPdpApplicationTest.java
+++ b/applications/naming/src/test/java/org/onap/policy/xacml/pdp/application/naming/NamingPdpApplicationTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -48,7 +48,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runners.MethodSorters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.ResourceUtils;
@@ -71,7 +71,7 @@
     private static XacmlApplicationServiceProvider service;
     private static StandardCoder gson = new StandardCoder();
     private static DecisionRequest baseRequest;
-    private static RestServerParameters clientParams;
+    private static BusTopicParams clientParams;
 
     @ClassRule
     public static final TemporaryFolder policyFolder = new TemporaryFolder();
@@ -83,8 +83,8 @@
      */
     @BeforeClass
     public static void setUp() throws Exception {
-        clientParams = mock(RestServerParameters.class);
-        when(clientParams.getHost()).thenReturn("localhost");
+        clientParams = mock(BusTopicParams.class);
+        when(clientParams.getHostname()).thenReturn("localhost");
         when(clientParams.getPort()).thenReturn(6969);
         //
         // Load Single Decision Request
diff --git a/applications/native/src/test/java/org/onap/policy/xacml/pdp/application/nativ/NativePdpApplicationTest.java b/applications/native/src/test/java/org/onap/policy/xacml/pdp/application/nativ/NativePdpApplicationTest.java
index 9a0ebc0..3a405a8 100644
--- a/applications/native/src/test/java/org/onap/policy/xacml/pdp/application/nativ/NativePdpApplicationTest.java
+++ b/applications/native/src/test/java/org/onap/policy/xacml/pdp/application/nativ/NativePdpApplicationTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -39,7 +39,7 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.StandardYamlCoder;
 import org.onap.policy.common.utils.resources.ResourceUtils;
 import org.onap.policy.common.utils.resources.TextFileUtils;
@@ -61,7 +61,7 @@
     private static final StandardYamlCoder yamlCoder = new StandardYamlCoder();
     private static Properties properties = new Properties();
     private static File propertiesFile;
-    private static RestServerParameters clientParams = new RestServerParameters();
+    private static BusTopicParams clientParams = new BusTopicParams();
     private static NativePdpApplication service;
     private static Request request;
 
diff --git a/applications/optimization/src/main/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplication.java b/applications/optimization/src/main/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplication.java
index 8b0442b..50bc0bd 100644
--- a/applications/optimization/src/main/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplication.java
+++ b/applications/optimization/src/main/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplication.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -34,7 +34,7 @@
 import java.util.List;
 import java.util.Map;
 import org.apache.commons.lang3.tuple.Pair;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.models.decisions.concepts.DecisionRequest;
 import org.onap.policy.models.decisions.concepts.DecisionResponse;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
@@ -87,7 +87,7 @@
     }
 
     @Override
-    public void initialize(Path pathForData, RestServerParameters policyApiParameters)
+    public void initialize(Path pathForData, BusTopicParams policyApiParameters)
             throws XacmlApplicationException {
         //
         // Store our API parameters and path for translator so it
diff --git a/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java b/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java
index 44de7f0..a3b218c 100644
--- a/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java
+++ b/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2019-2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -48,7 +48,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runners.MethodSorters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.coder.StandardYamlCoder;
@@ -76,7 +76,7 @@
     private static XacmlApplicationServiceProvider service;
     private static StandardCoder gson = new StandardCoder();
     private static DecisionRequest baseRequest;
-    private static RestServerParameters clientParams;
+    private static BusTopicParams clientParams;
     private static String[] listPolicyTypeFiles = {
         "onap.policies.Optimization",
         "onap.policies.optimization.Resource",
@@ -101,8 +101,8 @@
      */
     @BeforeClass
     public static void setUp() throws Exception {
-        clientParams = mock(RestServerParameters.class);
-        when(clientParams.getHost()).thenReturn("localhost");
+        clientParams = mock(BusTopicParams.class);
+        when(clientParams.getHostname()).thenReturn("localhost");
         when(clientParams.getPort()).thenReturn(6969);
         //
         // Load Single Decision Request
diff --git a/main/src/main/java/org/onap/policy/pdpx/main/parameters/XacmlPdpParameterGroup.java b/main/src/main/java/org/onap/policy/pdpx/main/parameters/XacmlPdpParameterGroup.java
index cb8425b..c5b81af 100644
--- a/main/src/main/java/org/onap/policy/pdpx/main/parameters/XacmlPdpParameterGroup.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/parameters/XacmlPdpParameterGroup.java
@@ -23,6 +23,8 @@
 
 import lombok.Getter;
 import lombok.Setter;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
 import org.onap.policy.common.parameters.GroupValidationResult;
@@ -49,7 +51,7 @@
     private String pdpGroup;
     private String pdpType;
     private RestServerParameters restServerParameters;
-    private RestServerParameters policyApiParameters;
+    private BusTopicParams policyApiParameters;
     private TopicParameterGroup topicParameterGroup;
     private String applicationPath;
 
@@ -60,7 +62,7 @@
      * @param pdpGroup the pdp group name
      */
     public XacmlPdpParameterGroup(final String name, final String pdpGroup, final String pdpType,
-            final RestServerParameters restServerParameters, final RestServerParameters policyApiParameters,
+            final RestServerParameters restServerParameters, final BusTopicParams policyApiParameters,
             final TopicParameterGroup topicParameterGroup, final String applicationPath) {
         this.name = name;
         this.pdpGroup = pdpGroup;
@@ -96,11 +98,10 @@
         }
         if (policyApiParameters == null) {
             validationResult.setResult(PARAM_POLICY_API, ValidationStatus.INVALID,
-                    "must have policyApiParameters to configure xacml pdp rest server");
-        } else {
-            // set the name - this only really matters for validation messages
-            policyApiParameters.setName(PARAM_POLICY_API);
-            validationResult.setResult(PARAM_POLICY_API, policyApiParameters.validate());
+                            "must have policyApiParameters to configure xacml pdp rest server");
+        } else if (StringUtils.isBlank(policyApiParameters.getHostname())) {
+            validationResult.setResult(PARAM_POLICY_API, ValidationStatus.INVALID,
+                            "must have hostname to configure xacml pdp api client");
         }
         if (topicParameterGroup == null) {
             validationResult.setResult(PARAM_TOPIC_PARAMETER_GROUP, ValidationStatus.INVALID,
diff --git a/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java b/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java
index 7c46ef3..3553b4c 100644
--- a/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -33,7 +33,7 @@
 import java.util.stream.Collectors;
 import lombok.Getter;
 import lombok.Setter;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.models.decisions.concepts.DecisionRequest;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
@@ -58,7 +58,7 @@
     /**
      * One time to initialize the applications upon startup.
      */
-    public XacmlPdpApplicationManager(Path applicationPath, RestServerParameters policyApiParameters) {
+    public XacmlPdpApplicationManager(Path applicationPath, BusTopicParams policyApiParameters) {
         if (LOGGER.isInfoEnabled()) {
             LOGGER.info("Initialization applications {} {}", applicationPath.toAbsolutePath(), policyApiParameters);
         }
@@ -232,7 +232,7 @@
     }
 
     private void initializeApplicationPath(Path basePath, XacmlApplicationServiceProvider application,
-            RestServerParameters policyApiParameters) throws XacmlApplicationException {
+                    BusTopicParams policyApiParameters) throws XacmlApplicationException {
         //
         // Making an assumption that all application names are unique, and
         // they can result in a valid directory being created.
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/parameters/CommonTestData.java b/main/src/test/java/org/onap/policy/pdpx/main/parameters/CommonTestData.java
index 6f73df5..ca8b763 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/parameters/CommonTestData.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/parameters/CommonTestData.java
@@ -27,7 +27,6 @@
 import java.util.Map;
 import java.util.TreeMap;
 import org.onap.policy.common.endpoints.parameters.TopicParameters;
-import org.onap.policy.common.parameters.ParameterGroup;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -41,9 +40,10 @@
     private static final String PASS_KEY = "password";
     private static final String USER_KEY = "userName";
     private static final String PORT_KEY = "port";
-    private static final String HOST_KEY = "host";
+    private static final String SERVER_HOST_KEY = "host";
+    private static final String API_HOST_KEY = "hostname";
     private static final String AAF_KEY = "aaf";
-    private static final String HTTPS_KEY = "https";
+    private static final String HTTPS_KEY = "useHttps";
 
     private static final String REST_SERVER_PASS = "zb!XztG34";
     private static final String REST_SERVER_USER = "healthcheck";
@@ -92,7 +92,7 @@
         map.put(AAF_KEY, REST_SERVER_AAF);
 
         if (!isEmpty) {
-            map.put(HOST_KEY, REST_SERVER_HOST);
+            map.put(SERVER_HOST_KEY, REST_SERVER_HOST);
             map.put(PORT_KEY, REST_SERVER_PORT);
             map.put(USER_KEY, REST_SERVER_USER);
             map.put(PASS_KEY, REST_SERVER_PASS);
@@ -111,7 +111,7 @@
         final Map<String, Object> map = new TreeMap<>();
         map.put(HTTPS_KEY, REST_SERVER_HTTPS);
         map.put(AAF_KEY, REST_SERVER_AAF);
-        map.put(HOST_KEY, REST_SERVER_HOST);
+        map.put(SERVER_HOST_KEY, REST_SERVER_HOST);
         map.put(PORT_KEY, port);
         map.put(USER_KEY, REST_SERVER_USER);
         map.put(PASS_KEY, REST_SERVER_PASS);
@@ -126,7 +126,7 @@
      * @param clazz class of object to be created from the map
      * @return a new object represented by the map
      */
-    public <T extends ParameterGroup> T toObject(final Map<String, Object> source, final Class<T> clazz) {
+    public <T> T toObject(final Map<String, Object> source, final Class<T> clazz) {
         try {
             return coder.decode(coder.encode(source), clazz);
 
@@ -147,7 +147,7 @@
         map.put(AAF_KEY, POLICY_API_AAF);
 
         if (!isEmpty) {
-            map.put(HOST_KEY, POLICY_API_HOST);
+            map.put(API_HOST_KEY, POLICY_API_HOST);
             map.put(PORT_KEY, POLICY_API_PORT);
             map.put(USER_KEY, POLICY_API_USER);
             map.put(PASS_KEY, POLICY_API_PASS);
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java
index dfd3216..1c4cf1d 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterGroup.java
@@ -22,6 +22,7 @@
 
 package org.onap.policy.pdpx.main.parameters;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -32,6 +33,7 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
 import org.onap.policy.common.parameters.GroupValidationResult;
@@ -57,8 +59,8 @@
     public void testXacmlPdpParameterGroup() throws IOException {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters =
@@ -66,6 +68,7 @@
                                 CommonTestData.PDPX_GROUP, "flavor", restServerParameters, policyApiParameters,
                                 topicParameterGroup, applicationPath.getAbsolutePath());
         final GroupValidationResult validationResult = pdpxParameters.validate();
+        assertThat(validationResult.getResult()).isNull();
         assertTrue(validationResult.isValid());
         assertEquals(restServerParameters.getHost(), pdpxParameters.getRestServerParameters().getHost());
         assertEquals(restServerParameters.getPort(), pdpxParameters.getRestServerParameters().getPort());
@@ -81,8 +84,8 @@
     public void testXacmlPdpParameterGroup_NullParameterGroupName() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters = new XacmlPdpParameterGroup(null, CommonTestData.PDPX_GROUP,
@@ -99,8 +102,8 @@
     public void testXacmlPdpParameterGroup_EmptyParameterGroupName() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters = new XacmlPdpParameterGroup("", CommonTestData.PDPX_GROUP,
@@ -117,8 +120,8 @@
     public void testXacmlPdpParameterGroup_NullPdpGroup() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters =
@@ -136,8 +139,8 @@
     public void testXacmlPdpParameterGroup_EmptyPdpGroup() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters =
@@ -155,8 +158,8 @@
     public void testXacmlPdpParameterGroup_EmptyRestServerParameters() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(true), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters =
@@ -173,8 +176,8 @@
     public void testXacmlPdpParameterGroup_EmptyPolicyApiParameters() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(true), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(true), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters =
@@ -183,16 +186,16 @@
                         topicParameterGroup, applicationPath.getAbsolutePath());
         final GroupValidationResult validationResult = pdpxParameters.validate();
         assertFalse(validationResult.isValid());
-        assertTrue(validationResult.getResult()
-                .contains("parameter group \"policyApiParameters\""));
+        assertThat(validationResult.getResult())
+                .contains("field \"policyApiParameters\"");
     }
 
     @Test
     public void testXacmlPdpParameterGroup_EmptyTopicParameterGroup() {
         final RestServerParameters restServerParameters =
             testData.toObject(testData.getRestServerParametersMap(false), RestServerParameters.class);
-        final RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        final BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         final TopicParameterGroup topicParameterGroup =
             testData.toObject(testData.getTopicParametersMap(true), TopicParameterGroup.class);
         final XacmlPdpParameterGroup pdpxParameters =
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java
index dbf977f..93e541d 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java
@@ -84,7 +84,7 @@
     private static File propertiesFile;
     private static XacmlApplicationServiceProvider service;
 
-    private static RestServerParameters policyApiParameters;
+    private static BusTopicParams policyApiParameters;
 
     @ClassRule
     public static final TemporaryFolder appsFolder = new TemporaryFolder();
@@ -116,7 +116,7 @@
         // Create parameters for XacmlPdPService
         RestServerParameters rest = testData.toObject(testData.getRestServerParametersMap(port),
                 RestServerParameters.class);
-        policyApiParameters = testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        policyApiParameters = testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         TopicParameterGroup topicParameterGroup = testData.toObject(testData.getTopicParametersMap(false),
                 TopicParameterGroup.class);
         XacmlPdpParameterGroup params =
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java
index 2d71543..7fa552f 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestDecision.java
@@ -104,8 +104,8 @@
         //
         RestServerParameters rest =
             testData.toObject(testData.getRestServerParametersMap(port), RestServerParameters.class);
-        RestServerParameters policyApiParameters =
-                        testData.toObject(testData.getPolicyApiParametersMap(false), RestServerParameters.class);
+        BusTopicParams policyApiParameters =
+                        testData.toObject(testData.getPolicyApiParametersMap(false), BusTopicParams.class);
         TopicParameterGroup topicParameterGroup =
                         testData.toObject(testData.getTopicParametersMap(false), TopicParameterGroup.class);
         XacmlPdpParameterGroup params =
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManagerTest.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManagerTest.java
index 4670e78..1673c04 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManagerTest.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManagerTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,7 +35,7 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardYamlCoder;
 import org.onap.policy.common.utils.resources.ResourceUtils;
@@ -53,7 +53,7 @@
 public class XacmlPdpApplicationManagerTest {
     private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpApplicationManagerTest.class);
     private static final StandardYamlCoder yamlCoder = new StandardYamlCoder();
-    private static final RestServerParameters params = new RestServerParameters();
+    private static final BusTopicParams params = new BusTopicParams();
     private static Path appsDirectory;
     private static ToscaServiceTemplate completedJtst;
 
@@ -70,7 +70,7 @@
         //
         // No need to do more than this
         //
-        params.setName("policyApiParameters");
+        params.setClientName("policyApiParameters");
         //
         // Load an example policy
         //
diff --git a/main/src/test/resources/parameters/MinimumParameters.json b/main/src/test/resources/parameters/MinimumParameters.json
index 487a18d..48706b8 100644
--- a/main/src/test/resources/parameters/MinimumParameters.json
+++ b/main/src/test/resources/parameters/MinimumParameters.json
@@ -9,7 +9,7 @@
         "password": "zb!XztG34"
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
diff --git a/main/src/test/resources/parameters/NoParameters.json b/main/src/test/resources/parameters/NoParameters.json
index 1b25951..89e2b27 100644
--- a/main/src/test/resources/parameters/NoParameters.json
+++ b/main/src/test/resources/parameters/NoParameters.json
@@ -6,7 +6,7 @@
         "password": "zb!XztG34"
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
@@ -23,4 +23,4 @@
             "topicCommInfrastructure" : "noop"
         }]
     }
-}
\ No newline at end of file
+}
diff --git a/main/src/test/resources/parameters/XacmlPdpConfigParameters.json b/main/src/test/resources/parameters/XacmlPdpConfigParameters.json
index a137646..9ccd732 100644
--- a/main/src/test/resources/parameters/XacmlPdpConfigParameters.json
+++ b/main/src/test/resources/parameters/XacmlPdpConfigParameters.json
@@ -9,7 +9,7 @@
         "password": "zb!XztG34"
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
diff --git a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidName.json b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidName.json
index dcc5cd9..ca77972 100644
--- a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidName.json
+++ b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidName.json
@@ -9,7 +9,7 @@
         "https":true
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
@@ -27,4 +27,4 @@
             "topicCommInfrastructure" : "noop"
         }]
     }
-}
\ No newline at end of file
+}
diff --git a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpGroup.json b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpGroup.json
index 18e486d..3e1d4f5 100644
--- a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpGroup.json
+++ b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpGroup.json
@@ -9,7 +9,7 @@
         "https":true
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
@@ -27,4 +27,4 @@
             "topicCommInfrastructure" : "noop"
         }]
     }
-}
\ No newline at end of file
+}
diff --git a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpType.json b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpType.json
index 803b789..d0c429c 100644
--- a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpType.json
+++ b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidPdpType.json
@@ -10,7 +10,7 @@
         "https":true
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
@@ -28,4 +28,4 @@
             "topicCommInfrastructure" : "noop"
         }]
     }
-}
\ No newline at end of file
+}
diff --git a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidRestServerParameters.json b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidRestServerParameters.json
index 4aad68b..8211c8e 100644
--- a/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidRestServerParameters.json
+++ b/main/src/test/resources/parameters/XacmlPdpConfigParameters_InvalidRestServerParameters.json
@@ -8,7 +8,7 @@
         "password": ""
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
diff --git a/main/src/test/resources/parameters/XacmlPdpConfigParameters_Std.json b/main/src/test/resources/parameters/XacmlPdpConfigParameters_Std.json
index ec898b6..33885b5 100644
--- a/main/src/test/resources/parameters/XacmlPdpConfigParameters_Std.json
+++ b/main/src/test/resources/parameters/XacmlPdpConfigParameters_Std.json
@@ -10,7 +10,7 @@
         "https":true
     },
     "policyApiParameters": {
-        "host": "0.0.0.0",
+        "hostname": "0.0.0.0",
         "port": 6970,
         "userName": "healthcheck",
         "password": "zb!XztG34"
@@ -28,4 +28,4 @@
             "topicCommInfrastructure" : "noop"
         }]
     }
-}
\ No newline at end of file
+}
diff --git a/packages/policy-xacmlpdp-tarball/src/main/resources/etc/defaultConfig.json b/packages/policy-xacmlpdp-tarball/src/main/resources/etc/defaultConfig.json
index 70bc2f7..2daf330 100644
--- a/packages/policy-xacmlpdp-tarball/src/main/resources/etc/defaultConfig.json
+++ b/packages/policy-xacmlpdp-tarball/src/main/resources/etc/defaultConfig.json
@@ -11,11 +11,11 @@
         "aaf": false
     },
     "policyApiParameters": {
-        "host": "policy-api",
+        "hostname": "policy-api",
         "port": 6969,
         "userName": "healthcheck",
         "password": "zb!XztG34",
-        "https": true,
+        "useHttps": true,
         "aaf": false
     },
     "applicationPath": "/opt/app/policy/pdpx/apps",
diff --git a/tutorials/tutorial-xacml-application/src/test/java/org/onap/policy/tutorial/tutorial/TutorialApplicationTest.java b/tutorials/tutorial-xacml-application/src/test/java/org/onap/policy/tutorial/tutorial/TutorialApplicationTest.java
index 28d25ee..c72f074 100644
--- a/tutorials/tutorial-xacml-application/src/test/java/org/onap/policy/tutorial/tutorial/TutorialApplicationTest.java
+++ b/tutorials/tutorial-xacml-application/src/test/java/org/onap/policy/tutorial/tutorial/TutorialApplicationTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,7 +30,7 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.TextFileUtils;
@@ -86,7 +86,7 @@
         // Tell the application to initialize based on the properties file
         // we just built for it.
         //
-        service.initialize(propertiesFile.toPath().getParent(), new RestServerParameters());
+        service.initialize(propertiesFile.toPath().getParent(), new BusTopicParams());
     }
 
     @Test