diff --git a/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/api/GatewayNodeConfig.java b/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/api/GatewayNodeConfig.java
new file mode 100644
index 0000000..9f89c41
--- /dev/null
+++ b/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/api/GatewayNodeConfig.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.scalablegateway.api;
+
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import org.onlab.packet.Ip4Address;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.config.Config;
+import org.slf4j.Logger;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+import static org.slf4j.LoggerFactory.getLogger;
+import static org.onosproject.net.config.Config.FieldPresence.MANDATORY;
+
+/**
+ * Configuration object for OpensatckNode service.
+ */
+public class GatewayNodeConfig extends Config<ApplicationId> {
+
+    protected final Logger log = getLogger(getClass());
+
+    public static final String NODES = "nodes";
+    public static final String BRIDGE_ID = "bridgeId";
+    public static final String DATAPLANE_IP = "dataPlaneIp";
+    public static final String EXTERNAL_INTERFACE_NAME = "gatewayExternalInterfaceName";
+
+    /**
+     * Returns the set of nodes read from network config.
+     *
+     * @return set of OpensatckNodeConfig or null
+     */
+    public Set<GatewayNode> gatewayNodes() {
+
+        Set<GatewayNode> nodes = Sets.newHashSet();
+
+        JsonNode jsonNodes = object.get(NODES);
+        if (jsonNodes == null) {
+            return null;
+        }
+
+        jsonNodes.forEach(jsonNode -> {
+            try {
+                nodes.add(new GatewayNode.Builder()
+                        .gatewayDeviceId(DeviceId.deviceId(jsonNode.path(BRIDGE_ID).asText()))
+                        .gatewayExternalInterfaceNames(
+                                getExternalInterfaceName(jsonNode.path(EXTERNAL_INTERFACE_NAME).asText()))
+                        .dataIpAddress(Ip4Address.valueOf(jsonNode.path(DATAPLANE_IP).asText())).build());
+            } catch (IllegalArgumentException | NullPointerException e) {
+                log.error("Failed to read {}", e.toString());
+            }
+        });
+        return nodes;
+    }
+
+    private List<String> getExternalInterfaceName(String s) {
+        List<String> list = Lists.newArrayList();
+        return Collections.addAll(list, s.split(",")) ? list : null;
+    }
+
+    @Override
+    public boolean isValid() {
+        return hasOnlyFields(NODES, BRIDGE_ID, DATAPLANE_IP, EXTERNAL_INTERFACE_NAME) &&
+                isIpAddress(DATAPLANE_IP, MANDATORY) && isString(BRIDGE_ID, MANDATORY) &&
+                isString(EXTERNAL_INTERFACE_NAME, MANDATORY);
+    }
+
+}