diff --git a/core/store/dist/src/main/java/org/onosproject/store/impl/MultiValuedTimestamp.java b/core/store/dist/src/main/java/org/onosproject/store/impl/MultiValuedTimestamp.java
new file mode 100644
index 0000000..46c416e
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onosproject/store/impl/MultiValuedTimestamp.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2015 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.store.impl;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ComparisonChain;
+import org.onosproject.store.Timestamp;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * A logical timestamp that derives its value from two input values. Value1
+ * always takes precedence over value2 when comparing timestamps.
+ */
+public class MultiValuedTimestamp implements Timestamp {
+
+    private final Timestamp timestamp;
+    private final long value2;
+
+    /**
+     * Creates a new timestamp based on two values. The first value has higher
+     * precedence than the second when comparing timestamps.
+     *
+     * @param timestamp first value
+     * @param value2 second value
+     */
+    public MultiValuedTimestamp(Timestamp timestamp, long value2) {
+        this.timestamp = timestamp;
+        this.value2 = value2;
+    }
+
+    @Override
+    public int compareTo(Timestamp o) {
+        checkArgument(o instanceof MultiValuedTimestamp,
+                      "Must be MultiValuedTimestamp", o);
+        MultiValuedTimestamp that = (MultiValuedTimestamp) o;
+
+        return ComparisonChain.start()
+                .compare(this.timestamp, that.timestamp)
+                .compare(this.value2, that.value2)
+                .result();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(timestamp, value2);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof MultiValuedTimestamp)) {
+            return false;
+        }
+        MultiValuedTimestamp that = (MultiValuedTimestamp) obj;
+        return Objects.equals(this.timestamp, that.timestamp) &&
+                Objects.equals(this.value2, that.value2);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("timestamp", timestamp)
+                .add("value2", value2)
+                .toString();
+    }
+
+    /**
+     * Returns the first value.
+     *
+     * @return first value
+     */
+    public Timestamp timestamp() {
+        return timestamp;
+    }
+
+    /**
+     * Returns the second value.
+     *
+     * @return second value
+     */
+    public long sequenceNumber() {
+        return value2;
+    }
+
+    // Default constructor for serialization
+    @SuppressWarnings("unused")
+    private MultiValuedTimestamp() {
+        this.timestamp = null;
+        this.value2 = -1;
+    }
+}