diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/MarkerConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/MarkerConstraint.java
new file mode 100644
index 0000000..bc2c107
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/MarkerConstraint.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2016-present 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.intent.constraint;
+
+import org.onosproject.net.Link;
+import org.onosproject.net.Path;
+import org.onosproject.net.intent.Constraint;
+import org.onosproject.net.intent.ResourceContext;
+
+/**
+ * Abstract Constraint for constraints not intended to influence
+ * individual link cost or path validity.
+ */
+public abstract class MarkerConstraint implements Constraint {
+
+    @Override
+    public final double cost(Link link, ResourceContext context) {
+        // random value, should never be used.
+        return 1.0;
+    }
+
+    @Override
+    public final boolean validate(Path path, ResourceContext context) {
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return this.getClass().hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        return obj != null && this.getClass() == obj.getClass();
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName().replace("Constraint", "");
+    }
+}