diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/delay/DelayMeasurementEntry.java b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/delay/DelayMeasurementEntry.java
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+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/delay/DelayMeasurementEntry.java
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+/*
+ * 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.
+ */
+package org.onosproject.incubator.net.l2monitoring.soam.delay;
+
+import java.time.Duration;
+import java.util.Collection;
+
+import org.onosproject.incubator.net.l2monitoring.soam.SoamId;
+
+/**
+ * Delay Measurement from ITU Y.1731 Chapter 8.2, MEF 17, MEF 36.1 and MEF 39.
+ *
+ * This represents the result returned and includes the parameters used to
+ * configure the DM when it was created
+ */
+public interface DelayMeasurementEntry extends DelayMeasurementCreate {
+    /**
+     * This uniquely identifies a scheduled measurement.
+     * It is automatically generated by the server on creation of a new measurement
+     * @return the id
+     */
+    SoamId dmId();
+
+    /**
+     * The current status of the DM session.
+     * A value of 'active' indicates the current DM session is active,
+     * i.e. the current time lies between the start time and the stop time, and
+     * enabled is true. A value of 'not-active' indicates the current DM session
+     * is not active, i.e. it has not started yet, has stopped upon reaching the
+     * stop time, or is disabled
+     * @return the status
+     */
+    SessionStatus sessionStatus();
+
+    /**
+     * The two-way frame delay calculated by this MEP from the last received SOAM PDU.
+     * This object is undefined is measurement-type is dm1-transmitted or dm1-received
+     * @return The delay as a java duration
+     */
+    Duration frameDelayTwoWay();
+
+    /**
+     * The frame delay in the forward direction calculated by this MEP from the last received SOAM PDU.
+     * The value of this object may not be accurate in the absence of sufficiently
+     * precise clock synchronization.
+     * This object is undefined is measurement-type is dm1-transmitted
+     * @return The delay as a java duration
+     */
+    Duration frameDelayForward();
+
+    /**
+     * The frame delay in the backward direction calculated by this MEP from the last received SOAM PDU.
+     * The value of this object may not be accurate in the absence of sufficiently
+     * precise clock synchronization.
+     * This object is undefined is measurement-type is dm1-transmitted or dm1-received
+     * @return The delay as a java duration
+     */
+    Duration frameDelayBackward();
+
+    /**
+     * The last two-way inter-frame delay interval calculated by this MEP.
+     * The value of this object is undefined when measurement-type is dm1-transmitted or dm1-received
+     * @return The delay as a java duration
+     */
+    Duration interFrameDelayVariationTwoWay();
+
+    /**
+     * The last one-way inter-frame delay interval in the forward direction calculated by this MEP.
+     * The value of this object is undefined when measurement-type is dm1-transmitted
+     * @return The delay as a java duration
+     */
+    Duration interFrameDelayVariationForward();
+
+    /**
+     * The last one-way inter-frame delay interval in the backward direction calculated by this MEP.
+     * The value of this object is undefined when measurement-type is
+     * dm1-transmitted or dm1-received
+     * @return The delay as a java duration
+     */
+    Duration interFrameDelayVariationBackward();
+
+    /**
+     * The results for the current Measurement Interval in a SOAM Delay Measurement session.
+     * gathered during the interval indicated by measurement-interval.
+     * @return The current set of results
+     */
+    DelayMeasurementStatCurrent currentResult();
+
+    /**
+     * The results for history Measurement Intervals in a SOAM Delay Measurement session.
+     * @return A collection of history results
+     */
+    Collection<DelayMeasurementStatHistory> historicalResults();
+
+    /**
+     * Builder for {@link org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementEntry}.
+     */
+    public interface DmEntryBuilder extends DmCreateBuilder {
+        DmEntryBuilder sessionStatus(SessionStatus sessionStatus);
+
+        DmEntryBuilder frameDelayTwoWay(Duration frameDelayTwoWay);
+
+        DmEntryBuilder frameDelayForward(Duration frameDelayForward);
+
+        DmEntryBuilder frameDelayBackward(Duration frameDelayBackward);
+
+        DmEntryBuilder interFrameDelayVariationTwoWay(Duration interFrameDelayVariationTwoWay);
+
+        DmEntryBuilder interFrameDelayVariationForward(Duration interFrameDelayVariationForward);
+
+        DmEntryBuilder interFrameDelayVariationBackward(Duration interFrameDelayVariationBackward);
+
+        DmEntryBuilder currentResult(DelayMeasurementStatCurrent currentResult);
+
+        DmEntryBuilder addToHistoricalResults(
+                DelayMeasurementStatHistory historicalResult);
+
+        DelayMeasurementEntry build();
+    }
+
+    /**
+     * Session Status options.
+     */
+    public enum SessionStatus {
+        ACTIVE,
+        NOT_ACTIVE;
+    }
+}