diff --git a/core/api/src/main/java/org/onosproject/net/flow/criteria/OduSignalTypeCriterion.java b/core/api/src/main/java/org/onosproject/net/flow/criteria/OduSignalTypeCriterion.java
new file mode 100644
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--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/criteria/OduSignalTypeCriterion.java
@@ -0,0 +1,81 @@
+/*
+ * 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.net.flow.criteria;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Objects;
+
+import org.onosproject.net.OduSignalType;
+
+/**
+ * Implementation of ODU (Optical channel Data Unit) signal Type criterion.
+ * This criterion is based on the specification of "OFPXMT_EXP_ODU_SIGTYPE" in
+ * Open Networking Foundation "Optical Transport Protocol Extension Version 1.0", but
+ * defined in protocol agnostic way.
+ */
+public final class OduSignalTypeCriterion implements Criterion {
+
+    private final OduSignalType signalType;
+
+    /**
+     * Create an instance with the specified ODU signal Type.
+     *
+     * @param signalType - ODU signal Type
+     */
+    OduSignalTypeCriterion(OduSignalType signalType) {
+        this.signalType = checkNotNull(signalType);
+    }
+
+    @Override
+    public Type type() {
+        return Type.ODU_SIGTYPE;
+    }
+
+    /**
+     * Returns the ODU Signal Type to match.
+     *
+     * @return the ODU signal Type to match
+     */
+    public OduSignalType signalType() {
+        return signalType;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type(), signalType);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof OduSignalTypeCriterion)) {
+            return false;
+        }
+        final OduSignalTypeCriterion that = (OduSignalTypeCriterion) obj;
+        return Objects.equals(this.signalType, that.signalType);
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(type().toString())
+                .add("signalType", signalType)
+                .toString();
+    }
+}