diff --git a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/EdgePair.java b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/EdgePair.java
new file mode 100644
index 0000000..571e87f
--- /dev/null
+++ b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/EdgePair.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2018-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.segmentrouting;
+
+import org.onosproject.net.DeviceId;
+
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * Represents two devices that are paired by configuration. An EdgePair for
+ * (dev1, dev2) is the same as as EdgePair for (dev2, dev1)
+ */
+public final class EdgePair {
+    DeviceId dev1;
+    DeviceId dev2;
+
+    EdgePair(DeviceId dev1, DeviceId dev2) {
+        this.dev1 = dev1;
+        this.dev2 = dev2;
+    }
+
+    boolean includes(DeviceId dev) {
+        return dev1.equals(dev) || dev2.equals(dev);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (!(o instanceof EdgePair)) {
+            return false;
+        }
+        EdgePair that = (EdgePair) o;
+        return ((this.dev1.equals(that.dev1) && this.dev2.equals(that.dev2)) ||
+                (this.dev1.equals(that.dev2) && this.dev2.equals(that.dev1)));
+    }
+
+    @Override
+    public int hashCode() {
+        if (dev1.toString().compareTo(dev2.toString()) <= 0) {
+            return Objects.hash(dev1, dev2);
+        } else {
+            return Objects.hash(dev2, dev1);
+        }
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("Dev1", dev1)
+                .add("Dev2", dev2)
+                .toString();
+    }
+}
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