diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QosConfigBehaviour.java b/core/api/src/main/java/org/onosproject/net/behaviour/QosConfigBehaviour.java
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+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QosConfigBehaviour.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2017-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.net.behaviour;
+import com.google.common.annotations.Beta;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+import java.util.Collection;
+
+/**
+ * Behaviour for handling various operations for qos configurations.
+ */
+@Beta
+public interface QosConfigBehaviour extends HandlerBehaviour {
+
+    /**
+     * Obtain all qoses configured on a device.
+     *
+     * @return a set of qos descriptions
+     */
+    Collection<QosDescription> getQoses();
+
+    /**
+     * Obtain a qos configured on a device.
+     * @param qosDesc qos description
+     * @return a qos description
+     */
+    QosDescription getQos(QosDescription qosDesc);
+
+    /**
+     * create QoS configuration on a device.
+     * @param qosDesc qos description
+     * @return true if succeeds, or false
+     */
+    boolean addQoS(QosDescription qosDesc);
+
+    /**
+     * Delete a QoS configuration.
+     * @param qosId qos identifier
+     */
+    void deleteQoS(QosId qosId);
+}
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