diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/MeasurementCreateBase.java b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/MeasurementCreateBase.java
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+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/MeasurementCreateBase.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;
+
+import java.time.Duration;
+
+import org.onosproject.incubator.net.l2monitoring.cfm.Mep.Priority;
+import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementCreate.DataPattern;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementCreate.TestTlvPattern;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementCreate.Version;
+
+/**
+ * A base interface with attributes that are common to both Delay and Loss Measurements.
+ */
+public interface MeasurementCreateBase {
+    /**
+     * The version of the PDUs used to perform Loss or Delay Measurement.
+     * The exact PDUs to use are specified by this object in combination with measurement-type
+     * @return The version of the PDUs
+     */
+    Version version();
+
+    /**
+     * The remote MEP to perform the tests against.
+     * @return An ID of a MEP
+     */
+    MepId remoteMepId();
+
+    /**
+     * The interval between Loss or Delay Measurement OAM message transmission.
+     * For Loss Measurement monitoring applications the default value is 1 sec.
+     * This object is not applicable if measurement-type is set to 'ccm' and is ignored for that Loss Measurement Type
+     * @return A java Duration
+     */
+    Duration messagePeriod();
+
+    /**
+     * The priority of frames with Performance Monitoring OAM message information.
+     * @return A priority enumerated value 0-7
+     */
+    Priority priority();
+
+    /**
+     * The Loss Measurement frame size between 64 bytes and the maximum transmission unit of the EVC.
+     * The range of frame sizes from 64 through 2000 octets need to be supported,
+     * and the range of frame sizes from 2001 through 9600 octets is suggested be supported.
+     * The adjustment to the frame size of the standard frame size is accomplished
+     * by the addition of a Data or Test TLV. A Data or Test TLV is only added to
+     * the frame if the frame size is greater than 64 bytes
+     * @return frame size in bytes
+     */
+    Short frameSize();
+
+    /**
+     * The LM data pattern included in a Data TLV.
+     * when the size of the LM frame is determined by the frame-size object and test-tlv-included is 'false'.
+     * If the frame size object does not define the LM frame size or
+     * test-tlv-included is 'true' the value of this object is ignored
+     * @return The data pattern - ones or zeroes
+     */
+    DataPattern dataPattern();
+
+    /**
+     * Whether a Test TLV or Data TLV is included when the size of the LM frame is determined by the frame-size object.
+     * If the frame-size object does not define the LM frame size the value of
+     * this object is ignored.
+     * @return true indicates that the Test TLV is to be included, false indicates it is not
+     */
+    boolean testTlvIncluded();
+
+    /**
+     * The type of test pattern to be sent in the LM frame Test TLV.
+     * when the size of LM PDU is determined by the frame-size object and
+     * test-tlv-included is 'true'.
+     * If the frame size object does not define the LM frame size or
+     * test-tlv-included is 'false' the value of this object is ignored
+     * @return A TLV pattern enum
+     */
+    TestTlvPattern testTlvPattern();
+
+    /**
+     * The Measurement Interval for FLR statistics.
+     * A Measurement Interval of 15 minutes needs to be supported, other
+     * intervals may be supported.
+     * @return A java Duration
+     */
+    Duration measurementInterval();
+
+    /**
+     * The number of completed measurement intervals to store in the history statistic table.
+     * At least 32 completed measurement intervals are to be stored.
+     * 96 measurement intervals are recommended to be stored
+     * @return The number to be stored.
+     */
+    Short numberIntervalsStored();
+
+    /**
+     * Whether the measurement intervals for the Loss Measurement session are aligned with a zero offset to real time.
+     * The value 'true' indicates that each Measurement Interval starts at a time
+     * which is aligned to NE time source hour if the interval is a factor of an
+     * hour, i.e. 60min/15min = 4. For instance, a measurement time interval of
+     * 15 minutes would stop/start the measurement interval at 0, 15, 30, and 45
+     * minutes of an hour. A measurement interval of 7 minutes would not align to
+     * the hour since 7 minutes is NOT a factor of an hour, i.e.  60min/7min = 8.6,
+     * and the behavior is the same as if the object is set to 'false'.
+     * The value 'false' indicates that each Measurement Interval starts at a time
+     * which is indicated by repetition-period.
+     * One side effect of the usage of this parameter is that if the value is true
+     * and the repetition-period is not a factor of an hour then the start of the
+     * next Measurement Interval will be delayed until the next factor of an hour.
+     * @return See above for the meaning of true and false
+     */
+    boolean alignMeasurementIntervals();
+
+    /**
+     * The offset in minutes from the time of day value.
+     * if align-measurement-intervals is 'true' and the repetition time is a factor
+     * of 60 minutes. If not, the value of this object is ignored.
+     * If the Measurement Interval is 15 minutes and align-measurement-intervals
+     * is true and if this object was set to 5 minutes, the Measurement Intervals
+     * would start at 5, 20, 35, 50 minutes past each hour
+     * @return A java Duration
+     */
+    Duration alignMeasurementOffset();
+
+    /**
+     * Defines the session start time.
+     * @return An object with the start time type and optionally an instant
+     */
+    StartTime startTime();
+
+    /**
+     * Defines the session stop time.
+     * @return An object with the stop time type and optionally an instant
+     */
+    StopTime stopTime();
+
+    /**
+     * Indicates whether the current session is defined to be 'proactive' or 'on-demand.
+     * @return An enumerated value
+     */
+    SessionType sessionType();
+
+    /**
+     * Builder for {@link org.onosproject.incubator.net.l2monitoring.soam.MeasurementCreateBase}.
+     */
+    public interface MeasCreateBaseBuilder {
+        MeasCreateBaseBuilder messagePeriod(
+                Duration messagePeriod) throws SoamConfigException;
+
+        MeasCreateBaseBuilder frameSize(Short frameSize) throws SoamConfigException;
+
+        MeasCreateBaseBuilder dataPattern(DataPattern dataPattern);
+
+        MeasCreateBaseBuilder testTlvIncluded(boolean testTlvIncluded);
+
+        MeasCreateBaseBuilder testTlvPattern(TestTlvPattern testTlvPattern);
+
+        MeasCreateBaseBuilder measurementInterval(
+                Duration measurementInterval) throws SoamConfigException;
+
+        MeasCreateBaseBuilder numberIntervalsStored(
+                Short numberIntervalsStored) throws SoamConfigException;
+
+        MeasCreateBaseBuilder alignMeasurementIntervals(
+                boolean alignMeasurementIntervals);
+
+        MeasCreateBaseBuilder alignMeasurementOffset(
+                Duration alignMeasurementOffset) throws SoamConfigException;
+
+        MeasCreateBaseBuilder startTime(StartTime startTime) throws SoamConfigException;
+
+        MeasCreateBaseBuilder stopTime(StopTime stopTime) throws SoamConfigException;
+
+        MeasCreateBaseBuilder sessionType(SessionType sessionType);
+
+    }
+
+    /**
+     * Supported session types.
+     * reference [MEF SOAM IA] R3
+     */
+    public enum SessionType {
+        /**
+         * The current session is 'proactive'.
+         */
+        PROACTIVE,
+        /**
+         * The current session is 'on-demand'.
+         */
+        ONDEMAND;
+    }
+
+}