diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/ComponentsMonitorManager.java b/core/net/src/main/java/org/onosproject/cluster/impl/ComponentsMonitorManager.java
new file mode 100644
index 0000000..551c646
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/ComponentsMonitorManager.java
@@ -0,0 +1,195 @@
+/*
+ * Copyright 2016-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.cluster.impl;
+
+import com.google.common.collect.Lists;
+import org.osgi.service.component.runtime.ServiceComponentRuntime;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
+import org.apache.karaf.features.Feature;
+import org.apache.karaf.features.FeaturesService;
+import org.onosproject.cluster.ClusterAdminService;
+import org.onosproject.cluster.ComponentsMonitorService;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.service.component.ComponentContext;
+import org.osgi.service.component.runtime.dto.ComponentConfigurationDTO;
+import org.osgi.service.component.runtime.dto.ComponentDescriptionDTO;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+
+import static org.onlab.util.Tools.groupedThreads;
+
+/**
+ * Monitors the system to make sure that all bundles and their components
+ * are properly activated and keeps the cluster node service appropriately
+ * updated.
+ */
+@Component(immediate = true, service = { ComponentsMonitorService.class })
+public class ComponentsMonitorManager implements ComponentsMonitorService {
+
+    private Logger log = LoggerFactory.getLogger(getClass());
+
+    private static final long STARTUP_PERIOD = 2500;
+    private static final long ACTIVE_PERIOD = 60000;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
+    protected FeaturesService featuresService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
+    protected ServiceComponentRuntime scrService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
+    protected ClusterAdminService clusterAdminService;
+
+    private BundleContext bundleContext;
+
+    private ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(
+            groupedThreads("components-monitor", "%d", log));
+    private ScheduledFuture<?> poller;
+    private boolean pollerBackedOff;
+
+    @Activate
+    protected void activate(ComponentContext context) {
+        bundleContext = context.getBundleContext();
+        poller = executor.scheduleAtFixedRate(
+                this::checkStartedState, STARTUP_PERIOD, STARTUP_PERIOD, TimeUnit.MILLISECONDS);
+        log.info("Started");
+    }
+
+    @Deactivate
+    protected void deactivate() {
+        poller.cancel(false);
+        executor.shutdownNow();
+        log.info("Stopped");
+    }
+
+    /**
+     * Increases the rate at which {@link #checkStartedState()} is called once the node has been fully started.
+     */
+    private void backoffPoller() {
+        if (!pollerBackedOff) {
+            poller.cancel(false);
+            poller = executor.scheduleAtFixedRate(
+                    this::checkStartedState, ACTIVE_PERIOD, ACTIVE_PERIOD, TimeUnit.MILLISECONDS);
+            pollerBackedOff = true;
+        }
+    }
+
+    /**
+     * Decreases the rate at which {@link #checkStartedState()} is called when the node becomes unready.
+     */
+    private void revertPoller() {
+        if (pollerBackedOff) {
+            poller.cancel(false);
+            poller = executor.scheduleAtFixedRate(
+                    this::checkStartedState, STARTUP_PERIOD, STARTUP_PERIOD, TimeUnit.MILLISECONDS);
+            pollerBackedOff = false;
+        }
+    }
+
+    /**
+     * Checks whether all components are active and marks the node READY if so.
+     */
+    private void checkStartedState() {
+        boolean isFullyStarted = isFullyStarted();
+        clusterAdminService.markFullyStarted(isFullyStarted);
+
+        // If the node is fully started, decrease the rate at which we poll component states.
+        // Otherwise, increase the rate at which we poll component states until the node becomes ready.
+        if (isFullyStarted) {
+            backoffPoller();
+        } else {
+            revertPoller();
+        }
+    }
+
+    /**
+     * Scans the system to make sure that all bundles and their components
+     * are fully started.
+     *
+     * @return true if all bundles and their components are active
+     */
+    private boolean isFullyStarted() {
+        try {
+            for (Feature feature : featuresService.listInstalledFeatures()) {
+                if (needToCheck(feature) && !isFullyStarted(feature)) {
+                    return false;
+                }
+            }
+            return true;
+        } catch (Exception ex) {
+            return false;
+        }
+    }
+
+    private boolean needToCheck(Feature feature) {
+        // We only need to check core ONOS features, not external ones.
+        return feature.getId().startsWith("onos-") &&
+               !feature.getId().contains("thirdparty");
+    }
+
+    @Override
+    public boolean isFullyStarted(List<String> featureStrings) {
+        List<Feature> features = Lists.newArrayList();
+        for (String featureString : featureStrings) {
+            try {
+                features.add(featuresService.getFeature(featureString));
+            } catch (Exception e) {
+                log.debug("Feature {} not found", featureString);
+                return false;
+            }
+        }
+        return features.stream().allMatch(this::isFullyStarted);
+    }
+
+    private boolean isFullyStarted(Feature feature) {
+        try {
+            return feature.getBundles().stream()
+                .map(info -> bundleContext.getBundle(info.getLocation()))
+                .allMatch(bundle -> bundle != null && isFullyStarted(bundle));
+        } catch (NullPointerException npe) {
+            // FIXME: Remove this catch block when Felix fixes the bug
+            // Due to a bug in the Felix implementation, this can throw an NPE.
+            // Catch the error and do something sensible with it.
+            return false;
+        }
+    }
+
+    private boolean isFullyStarted(Bundle bundle) {
+        for (ComponentDescriptionDTO component : scrService.getComponentDescriptionDTOs(bundle)) {
+            if (scrService.isComponentEnabled(component)) {
+                for (ComponentConfigurationDTO config : scrService.getComponentConfigurationDTOs(component)) {
+                    if (config.state != ComponentConfigurationDTO.ACTIVE) {
+                        return false;
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
+}