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diff --git a/src/main/java/org/onap/a1pesimulator/controller/RanA1Controller.java b/src/main/java/org/onap/a1pesimulator/controller/RanA1Controller.java
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+/*
+ * Copyright (C) 2021 Samsung Electronics
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package org.onap.a1pesimulator.controller;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.Collection;
+import org.onap.a1pesimulator.data.PolicyNotification;
+import org.onap.a1pesimulator.data.PolicyNotificationActionEnum;
+import org.onap.a1pesimulator.service.a1.A1Service;
+import org.onap.a1pesimulator.service.a1.OnPolicyAction;
+import org.onap.a1pesimulator.service.a1.PolicyInstancesHolder;
+import org.springframework.http.ResponseEntity;
+import org.springframework.messaging.simp.SimpMessagingTemplate;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * A1 interface facade
+ * Only operations defined by OSC_2.1.0 should be provided here
+ */
+
+@RestController
+@RequestMapping({"${restapi.version}/a1-p"})
+public class RanA1Controller {
+
+    private static final String TOPIC_POLICY = "/topic/policy";
+    private final SimpMessagingTemplate messagingTemplate;
+    private final A1Service a1Service;
+    private final Collection<OnPolicyAction> onPolicyActions;
+    private final PolicyInstancesHolder policyHolder;
+
+    public RanA1Controller(A1Service a1Service, SimpMessagingTemplate messagingTemplate,
+            Collection<OnPolicyAction> onPolicyActions, PolicyInstancesHolder policyHolder) {
+        this.a1Service = a1Service;
+        this.messagingTemplate = messagingTemplate;
+        this.onPolicyActions = onPolicyActions;
+        this.policyHolder = policyHolder;
+    }
+
+    @GetMapping(value = "/healthcheck")
+    public ResponseEntity<String> healthcheck() throws URISyntaxException {
+        return a1Service.healthCheck();
+    }
+
+    @PutMapping(value = "/policytypes/{policyTypeId}")
+    public ResponseEntity<String> putPolicySchema(@PathVariable Integer policyTypeId, @RequestBody String body)
+            throws URISyntaxException {
+        return a1Service.putPolicySchema(policyTypeId, body);
+    }
+
+    @PutMapping(value = "/policytypes/{policyTypeId}/policies/{policyInstanceId}")
+    public ResponseEntity<String> putPolicyInstance(@PathVariable Integer policyTypeId,
+            @PathVariable String policyInstanceId, @RequestBody String body) throws URISyntaxException {
+        ResponseEntity<String> response = a1Service.putPolicy(policyTypeId, policyInstanceId, body);
+        if (!response.getStatusCode().is2xxSuccessful()) {
+            return response;
+        }
+        policyHolder.addPolicy(policyInstanceId, body);
+        onPolicyActions.forEach(action -> handleOnPolicyAction(policyTypeId, policyInstanceId, body, action));
+        messagingTemplate.convertAndSend(TOPIC_POLICY,
+                new PolicyNotification(policyInstanceId, policyTypeId, PolicyNotificationActionEnum.CREATED, body));
+        return response;
+    }
+
+    @DeleteMapping(value = "/policytypes/{policyTypeId}/policies/{policyInstanceId}")
+    public ResponseEntity<String> deletePolicyInstance(@PathVariable Integer policyTypeId,
+            @PathVariable String policyInstanceId) throws URISyntaxException {
+        ResponseEntity<String> response = a1Service.deletePolicy(policyTypeId, policyInstanceId);
+        if (!response.getStatusCode().is2xxSuccessful()) {
+            return response;
+        }
+
+        policyHolder.removePolicy(policyInstanceId);
+        messagingTemplate.convertAndSend(TOPIC_POLICY,
+                new PolicyNotification(policyInstanceId, policyTypeId, PolicyNotificationActionEnum.DELETED));
+        return response;
+    }
+
+    @GetMapping(value = "/policytypes")
+    public ResponseEntity<String> getPolicyTypeIds() throws URISyntaxException {
+        return a1Service.getPolicyTypeIds();
+    }
+
+    @GetMapping(value = "/policytypes/{policyTypeId}")
+    public ResponseEntity<String> getPolicyType(@PathVariable Integer policyTypeId) throws URISyntaxException {
+        return a1Service.getPolicyType(policyTypeId);
+    }
+
+    @GetMapping(value = "/policytypes/{policyTypeId}/policies")
+    public ResponseEntity<String> getPolicyIdsOfType(@PathVariable Integer policyTypeId)
+            throws URISyntaxException, IOException {
+        return a1Service.getPolicyIdsOfType(policyTypeId);
+    }
+
+    @GetMapping(value = "/policytypes/{policyTypeId}/policies/{policyInstanceId}")
+    public ResponseEntity<String> getPolicy(@PathVariable Integer policyTypeId, @PathVariable String policyInstanceId)
+            throws URISyntaxException {
+        return a1Service.getPolicy(policyTypeId, policyInstanceId);
+    }
+
+    private void handleOnPolicyAction(Integer policyTypeId, String policyId, String body, OnPolicyAction action) {
+        if (action.isForMe(policyTypeId, policyId, body)) {
+            action.onPolicy(policyTypeId, policyId, body);
+        }
+    }
+}