diff --git a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/codec/K8sHostCodec.java b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/codec/K8sHostCodec.java
new file mode 100644
index 0000000..2edb66d
--- /dev/null
+++ b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/codec/K8sHostCodec.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+ *
+ * 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.onosproject.k8snode.codec;
+
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.k8snode.api.DefaultK8sHost;
+import org.onosproject.k8snode.api.K8sHost;
+import org.onosproject.k8snode.api.K8sHostState;
+import org.slf4j.Logger;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.nullIsIllegal;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Kubernetes host codec used for serializing and de-serializing JSON string.
+ */
+public final class K8sHostCodec extends JsonCodec<K8sHost> {
+
+    private final Logger log = getLogger(getClass());
+
+    private static final String HOST_IP = "hostIp";
+    private static final String NODE_NAMES = "nodeNames";
+    private static final String STATE = "state";
+
+    private static final String MISSING_MESSAGE = " is required in K8sHost";
+
+    @Override
+    public ObjectNode encode(K8sHost entity, CodecContext context) {
+        checkNotNull(entity, "Kubernetes host cannot be null");
+
+        ObjectNode result = context.mapper().createObjectNode()
+                .put(HOST_IP, entity.hostIp().toString())
+                .put(STATE, entity.state().name());
+
+        ArrayNode nodes = context.mapper().createArrayNode();
+        entity.nodeNames().forEach(nodes::add);
+        result.set(NODE_NAMES, nodes);
+
+        return result;
+    }
+
+    @Override
+    public K8sHost decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        IpAddress hostIp = IpAddress.valueOf(nullIsIllegal(json.get(HOST_IP).asText(),
+                HOST_IP + MISSING_MESSAGE));
+        ArrayNode nodeNamesJson = (ArrayNode) json.get(NODE_NAMES);
+        Set<String> nodeNames = new HashSet<>();
+        nodeNamesJson.forEach(n -> nodeNames.add(n.asText()));
+
+        return DefaultK8sHost.builder()
+                .hostIp(hostIp)
+                .state(K8sHostState.INIT)
+                .nodeNames(nodeNames)
+                .build();
+    }
+}