diff --git a/core/store/dist/src/main/java/org/onosproject/store/flow/impl/BucketId.java b/core/store/dist/src/main/java/org/onosproject/store/flow/impl/BucketId.java
new file mode 100644
index 0000000..33cc304
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onosproject/store/flow/impl/BucketId.java
@@ -0,0 +1,71 @@
+/*
+ * 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.store.flow.impl;
+
+import java.util.Objects;
+
+import org.onosproject.net.DeviceId;
+
+/**
+ * Represents a distinct device flow bucket.
+ */
+public class BucketId {
+    private final DeviceId deviceId;
+    private final int bucket;
+
+    BucketId(DeviceId deviceId, int bucket) {
+        this.deviceId = deviceId;
+        this.bucket = bucket;
+    }
+
+    /**
+     * Returns the bucket device identifier.
+     *
+     * @return the device identifier
+     */
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    /**
+     * Returns the bucket number.
+     *
+     * @return the bucket number
+     */
+    public int bucket() {
+        return bucket;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(deviceId, bucket);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other instanceof BucketId) {
+            BucketId that = (BucketId) other;
+            return this.deviceId.equals(that.deviceId)
+                && this.bucket == that.bucket;
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("%s/%d", deviceId, bucket);
+    }
+}
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