diff --git a/src/main/java/org/opencord/sadis/SadisManager.java b/src/main/java/org/opencord/sadis/SadisManager.java
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+++ b/src/main/java/org/opencord/sadis/SadisManager.java
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+/*
+ * Copyright 2017-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.opencord.sadis;
+
+import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY;
+
+import java.util.Set;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.ImmutableSet;
+
+/**
+ * Subscriber And Device Information Service application component. Component
+ * that manages the integration of ONOS into a deployment providing a bridge
+ * between ONOS and deployment specific information about subscribers and access
+ * devices.
+ */
+@Service
+@Component(immediate = true)
+public class SadisManager extends SubscriberAndDeviceInformationAdapter {
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
+
+    private static final String SADIS_APP = "org.opencord.sadis";
+    private ApplicationId appId;
+    private final InternalConfigListener cfgListener = new InternalConfigListener();
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigRegistry cfgService;
+
+    @SuppressWarnings("rawtypes")
+    private final Set<ConfigFactory> factories = ImmutableSet
+            .of(new ConfigFactory<ApplicationId, SadisConfig>(APP_SUBJECT_FACTORY, SadisConfig.class, "sadis") {
+                @Override
+                public SadisConfig createConfig() {
+                    return new SadisConfig();
+                }
+            });
+
+    /**
+     * Initialize the SADIS ONOS application.
+     */
+    @Activate
+    protected void activate() {
+
+        this.appId = this.coreService.registerApplication(SADIS_APP);
+        this.cfgService.addListener(this.cfgListener);
+        this.factories.forEach(this.cfgService::registerConfigFactory);
+        this.updateConfig();
+
+        this.log.info("Started");
+    }
+
+    /**
+     * Cleans up resources utilized by the SADIS ONOS application.
+     */
+    @Deactivate
+    protected void deactivate() {
+        this.log.info("Stopped");
+    }
+
+    /**
+     * Validates the configuration and updates any operational settings that are
+     * affected by configuration changes.
+     */
+    private void updateConfig() {
+        final SadisConfig cfg = this.cfgService.getConfig(this.appId, SadisConfig.class);
+        if (cfg == null) {
+            this.log.warn("Subscriber And Device Information Service (SADIS) configuration not available");
+            return;
+        }
+        this.log.info("Cache Enabled:  {}", cfg.getCacheEnabled());
+        this.log.info("Cache Mac Size: {}", cfg.getCacheMaxSize());
+        this.log.info("Cache TTL:      {}", cfg.getCacheTtl().getSeconds());
+        this.log.info("Entries:        {}", cfg.getEntries());
+    }
+
+    /**
+     * Listener for SADIS configuration events.
+     */
+    private class InternalConfigListener implements NetworkConfigListener {
+
+        @Override
+        public void event(final NetworkConfigEvent event) {
+
+            if ((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED
+                    || event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED)
+                    && event.configClass().equals(SadisConfig.class)) {
+                SadisManager.this.updateConfig();
+                SadisManager.this.log.info("Reconfigured");
+            }
+        }
+    }
+}