diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/ModulationConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/ModulationConfig.java
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+++ b/core/api/src/main/java/org/onosproject/net/behaviour/ModulationConfig.java
@@ -0,0 +1,57 @@
+/*
+ * 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.
+ *
+ * This Work is contributed by Sterlite Technologies
+ */
+package org.onosproject.net.behaviour;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.net.ModulationScheme;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+import java.util.Optional;
+
+/*
+ *
+ * Modulation operations act on a network port and a component thereof.
+ * Supported components are either the full directed port ({@link org.onosproject.net.Direction})
+ * or a wavelength on a port ({@link org.onosproject.net.OchSignal}).
+ *
+ * Modulation are dependent on channel spacing and bitrate
+ */
+@Beta
+public interface ModulationConfig<T> extends HandlerBehaviour {
+
+    /**
+     * Get the target Modulation Scheme on the component.
+     *
+     * @param port the port
+     * @param component the port component
+     * @return ModulationScheme as per bitRate value
+     */
+    Optional<ModulationScheme> getModulationScheme(PortNumber port, T component);
+
+    /**
+     * Set the target Modulation Scheme on the component.
+     *
+     * @param port the port
+     * @param component the port component
+     * @param bitRate bit rate in bps
+     */
+    void setModulationScheme(PortNumber port, T component, long bitRate);
+
+}
+