diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/delay/package-info.java b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/delay/package-info.java
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+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/delay/package-info.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2017-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.
+ */
+
+/**
+ * Implementation of Service Operation and Maintenance related to Frame delay measurement.
+ *
+ * From ITU Y.1731 (ETH-DM) and MEF 17 Frame Delay Performance and Frame Delay Variation Performance
+ * MEF 36.1 Service OAM SNMP MIB for Performance Monitoring,  MEF 39 Service OAM Performance Monitoring YANG Module
+ */
+package org.onosproject.incubator.net.l2monitoring.soam.delay;
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