--- /dev/null
+/*
+ * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.eos.akka;
+
+import com.google.common.annotations.Beta;
+import com.google.common.util.concurrent.ListenableFuture;
+
+/**
+ * Service used to bring up/down the NativeEos service in individual datacenters.
+ * Active datacenter in native eos terms means that the candidates from this datacenter can become owners of entities.
+ * Additionally the singleton component makings ownership decisions, runs only in an active datacenter.
+ *
+ * <p>
+ * Caller must make sure that only one datacenter is active at a time, otherwise the singleton actors
+ * in each datacenter will interfere with each other. The methods provided byt this service can be called
+ * on any node from the datacenter to be activated. Datacenters only need to brought up when using non-default
+ * datacenter or multiple datacenters.
+ */
+@Beta
+public interface NativeEosService {
+
+ /**
+ * Activates the native eos service in the datacenter that this method is called.
+ */
+ ListenableFuture<Void> activateDataCenter();
+
+ /**
+ * Deactivates the native eos service in the datacenter that this method is called.
+ */
+ ListenableFuture<Void> deactivateDataCenter();
+}