diff --git a/apps/k8s-networking/api/src/main/java/org/onosproject/k8snetworking/api/K8sNetwork.java b/apps/k8s-networking/api/src/main/java/org/onosproject/k8snetworking/api/K8sNetwork.java
new file mode 100644
index 0000000..f971cb9
--- /dev/null
+++ b/apps/k8s-networking/api/src/main/java/org/onosproject/k8snetworking/api/K8sNetwork.java
@@ -0,0 +1,148 @@
+/*
+ * Copyright 2019-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.k8snetworking.api;
+
+import org.onlab.packet.IpAddress;
+
+/**
+ * Representation of kubernetes network.
+ */
+public interface K8sNetwork {
+
+    /**
+     * Lists of network type.
+     */
+    enum Type {
+
+        /**
+         * VXLAN typed virtual network.
+         */
+        VXLAN,
+
+        /**
+         * GRE typed virtual network.
+         */
+        GRE,
+
+        /**
+         * GENEVE typed virtual network.
+         */
+        GENEVE,
+    }
+
+    /**
+     * Returns the kubernetes network ID.
+     *
+     * @return kubernetes network ID
+     */
+    String networkId();
+
+    /**
+     * Returns kubernetes network type.
+     *
+     * @return kubernetes network type
+     */
+    Type type();
+
+    /**
+     * Returns maximum transmission unit (MTU) value to address fragmentation.
+     *
+     * @return maximum transmission unit (MTU) value to address fragmentation
+     */
+    Integer mtu();
+
+    /**
+     * Returns segmentation ID.
+     *
+     * @return segmentation ID
+     */
+    String segmentId();
+
+    /**
+     * Returns gateway IP address.
+     *
+     * @return gateway IP address
+     */
+    IpAddress gatewayIp();
+
+    /**
+     * Returns network CIDR.
+     *
+     * @return network CIDR
+     */
+    String cidr();
+
+    /**
+     * Builder of new network.
+     */
+    interface Builder {
+
+        /**
+         * Builds an immutable network instance.
+         *
+         * @return kubernetes network
+         */
+        K8sNetwork build();
+
+        /**
+         * Returns network builder with supplied network ID.
+         *
+         * @param networkId network ID
+         * @return network builder
+         */
+        Builder networkId(String networkId);
+
+        /**
+         * Returns network builder with supplied network type.
+         *
+         * @param type network type
+         * @return network builder
+         */
+        Builder type(Type type);
+
+        /**
+         * Returns network builder with supplied MTU.
+         *
+         * @param mtu maximum transmission unit
+         * @return network builder
+         */
+        Builder mtu(Integer mtu);
+
+        /**
+         * Returns network builder with supplied segment ID.
+         *
+         * @param segmentId segment ID
+         * @return network builder
+         */
+        Builder segmentId(String segmentId);
+
+        /**
+         * Returns network builder with supplied gateway IP address.
+         *
+         * @param ipAddress gateway IP address
+         * @return network builder
+         */
+        Builder gatewayIp(IpAddress ipAddress);
+
+        /**
+         * Returns network builder with supplied network CIDR.
+         *
+         * @param cidr Classless Inter-Domain Routing
+         * @return network builder
+         */
+        Builder cidr(String cidr);
+    }
+}