diff --git a/local/bigswitch/pom.xml b/local/bigswitch/pom.xml
new file mode 100644
index 0000000..f11c4a6
--- /dev/null
+++ b/local/bigswitch/pom.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2017-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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.opencord.ce</groupId>
+        <artifactId>local</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>bigswitch</artifactId>
+    <packaging>bundle</packaging>
+
+    <description>Big switch abstraction topology</description>
+
+    <properties>
+        <onos.app.name>org.opencord.ce.local.bigswitch</onos.app.name>
+        <onos.app.title>E-CORD Carrier Ethernet bigswitch abstraction</onos.app.title>
+        <onos.app.url>http://opencord.org</onos.app.url>
+        <onos.version>1.10.6</onos.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-core-serializers</artifactId>
+            <version>${onos.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-cli</artifactId>
+            <version>${onos.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.karaf.shell</groupId>
+            <artifactId>org.apache.karaf.shell.console</artifactId>
+            <version>3.0.5</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.felix</groupId>
+            <artifactId>org.apache.felix.scr.annotations</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-scr-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.onosproject</groupId>
+                <artifactId>onos-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>snapshots</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases><enabled>false</enabled></releases>
+        </repository>
+    </repositories>
+
+    <pluginRepositories>
+        <pluginRepository>
+            <id>snapshots</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases><enabled>false</enabled></releases>
+        </pluginRepository>
+    </pluginRepositories>
+
+</project>
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchEvent.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchEvent.java
new file mode 100644
index 0000000..54fac26
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchEvent.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch;
+
+import com.google.common.collect.ImmutableList;
+import org.onosproject.event.AbstractEvent;
+import org.onosproject.net.device.PortDescription;
+
+import java.util.List;
+
+
+// TODO probably Event subject should contain Device info.
+//      e.g., (DeviceId, PortDescription)
+public class BigSwitchEvent extends AbstractEvent<BigSwitchEvent.Type, PortDescription> {
+    private List<PortDescription> allPorts;
+
+    public enum Type {
+
+        /**
+         * Signifies the Big Switch abstraction is created.
+         */
+        DEVICE_CREATED,
+
+        /**
+         * Signifies the Big Switch abstraction is finished.
+         */
+        DEVICE_REMOVED,
+
+        /**
+         * Signifies a port was added to the big switch.
+         */
+        PORT_ADDED,
+        /**
+         * Signifies a port was removed from the big switch.
+         */
+        PORT_REMOVED,
+        /**
+         * Signifies a port was updated in the big switch.
+         */
+        PORT_UPDATED
+    }
+
+    /**
+     * Creates a new big switch event.
+     *
+     * @param type event type
+     * @param subject the port description
+     * @param allPorts list of all switch ports
+     */
+    public BigSwitchEvent(Type type, PortDescription subject, List<PortDescription> allPorts) {
+        super(type, subject);
+        this.allPorts = allPorts;
+    }
+
+    /**
+     * Creates a new big switch event.
+     *
+     * @param type event type
+     * @param subject the port description
+     * @param allPorts list of all switch ports
+     * @param time occurence time
+     */
+    public BigSwitchEvent(Type type, PortDescription subject, List<PortDescription> allPorts,
+                          long time) {
+        super(type, subject, time);
+        this.allPorts = allPorts;
+    }
+
+    /**
+     * Returns list of ports known by this instance object.
+     *
+     * @return list of all ports
+     */
+    public List<PortDescription> allPorts() {
+        return ImmutableList.copyOf(allPorts);
+    }
+}
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchListener.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchListener.java
new file mode 100644
index 0000000..2738916
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchListener.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch;
+
+import org.onosproject.event.EventListener;
+
+/**
+ * Component to inform about big switch updates.
+ */
+public interface BigSwitchListener extends EventListener<BigSwitchEvent> {
+}
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchManager.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchManager.java
new file mode 100644
index 0000000..4629295
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchManager.java
@@ -0,0 +1,409 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch;
+
+import com.google.common.base.Strings;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+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.Modified;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.cfg.ComponentConfigService;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.event.AbstractListenerManager;
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.Device;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+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.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.device.DefaultPortDescription;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.device.PortDescription;
+import org.onosproject.net.domain.DomainId;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.AtomicCounter;
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+import org.onosproject.store.service.Versioned;
+import org.opencord.ce.api.models.CarrierEthernetNetworkInterface;
+import org.osgi.service.component.ComponentContext;
+import org.slf4j.Logger;
+
+import java.util.Dictionary;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Properties;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.stream.Collectors;
+
+import static org.onlab.util.Tools.get;
+import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY;
+import static org.opencord.ce.api.services.channel.Symbols.MEF_PORT_TYPE;
+import static org.opencord.ce.local.bigswitch.MefPortsConfig.INTERLINK_ID;
+import static org.opencord.ce.local.bigswitch.MefPortsConfig.MEF_PORTS;
+import static org.opencord.ce.local.bigswitch.MefPortsConfig.MefPortConfig;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Listens for edge and port changes in the underlying data path and
+ * exposes a big switch abstraction.
+ */
+@Component(immediate = true)
+@Service
+public class BigSwitchManager
+        extends AbstractListenerManager<BigSwitchEvent, BigSwitchListener>
+        implements BigSwitchService {
+    private static final Logger log = getLogger(BigSwitchManager.class);
+    private static final String APP_NAME = "org.opencord.ce.local.bigswitch";
+
+    public static final String DEFAULT_DOMAIN_ID = "local-domain";
+
+    private static final String PORT_MAP = "ecord-port-map";
+    private static final String PORT_COUNTER = "ecord-port-counter";
+    private static final Serializer SERIALIZER = Serializer.using(KryoNamespaces.API);
+    private ApplicationId appId;
+    private final NetworkConfigListener configListener = new InternalConfigListener();
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected ComponentConfigService componentConfigService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigRegistry configRegistry;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected DeviceService deviceService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected StorageService storageService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigService networkConfigService;
+
+    private static final String DOMAIN_ID = "domainId";
+    @Property(name = DOMAIN_ID, value = DEFAULT_DOMAIN_ID, label = "Domain ID where this ONOS is running")
+    private String domainId = DEFAULT_DOMAIN_ID;
+
+    private final ExecutorService executorService =
+            Executors.newSingleThreadExecutor();
+
+    // MEF ports given by configuration
+    private static List<MefPortConfig> mefPortConfigs;
+
+    /**
+     * Holds the physical port to virtual port number mapping.
+     */
+    private ConsistentMap<ConnectPoint, Long> portMap;
+
+    // Counter for virtual port numbers
+    private AtomicCounter portCounter;
+
+    // TODO listen to portMap event and populate Cache to properly deal with
+    // TODO distributed deployment.
+    /**
+     * History of physical port to virtual port number mapping.
+     * Intended to avoid virtual port number explosion.
+     */
+    private LoadingCache<ConnectPoint, Long> p2vMap;
+
+    // TODO: Add other listeners once we decide what an edge really is
+    private DeviceListener deviceListener = new InternalDeviceListener();
+
+    private final ConfigFactory<ApplicationId, MefPortsConfig> configFactory =
+            new ConfigFactory<ApplicationId, MefPortsConfig>(APP_SUBJECT_FACTORY,
+                    MefPortsConfig.class, MEF_PORTS, true) {
+        @Override
+        public MefPortsConfig createConfig() {
+            return new MefPortsConfig();
+        }
+    };
+
+    @Activate
+    public void activate() {
+        appId = coreService.registerApplication(APP_NAME);
+        componentConfigService.registerProperties(getClass());
+        configRegistry.registerConfigFactory(configFactory);
+        networkConfigService.addListener(configListener);
+        portMap = storageService.<ConnectPoint, Long>consistentMapBuilder()
+                .withName(PORT_MAP)
+                .withSerializer(SERIALIZER)
+                .build();
+        portCounter = storageService.atomicCounterBuilder()
+                .withName(PORT_COUNTER)
+                .withMeteringDisabled()
+                .build()
+                .asAtomicCounter();
+        p2vMap = CacheBuilder.newBuilder()
+                .build(CacheLoader.from(portCounter::getAndIncrement));
+
+        eventDispatcher.addSink(BigSwitchEvent.class, listenerRegistry);
+        portCounter.compareAndSet(0, 1);
+        deviceService.addListener(deviceListener);
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        networkConfigService.removeListener(configListener);
+        configRegistry.unregisterConfigFactory(configFactory);
+        deviceService.removeListener(deviceListener);
+        componentConfigService.unregisterProperties(getClass(), false);
+        log.info("Stopped");
+    }
+
+    @Modified
+    public void modified(ComponentContext context) {
+        Dictionary<?, ?> properties = context != null ? context.getProperties() : new Properties();
+
+        String d = get(properties, DOMAIN_ID);
+        if (!Strings.isNullOrEmpty(d)) {
+            // TODO: signal new domain id to global
+            domainId = d;
+        }
+
+        log.info("Domain ID set to {}", domainId());
+    }
+
+    @Override
+    public List<PortDescription> getPorts() {
+        return portMap.keySet().stream()
+                .map(this::toVirtualPortDescription)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public PortNumber getPort(ConnectPoint port) {
+        // FIXME: error-check and seriously think about a better method definition.
+        Versioned<Long> portNo = portMap.get(port);
+        if (Versioned.valueOrNull(portNo) != null) {
+            return PortNumber.portNumber(portNo.value());
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public Optional<ConnectPoint> connectPointFromVirtPort(PortNumber portNumber) {
+        return portMap.asJavaMap().entrySet()
+                .stream()
+                .filter(entry -> Objects.equals(entry.getValue(), portNumber.toLong()))
+                .map(Map.Entry::getKey)
+                .findFirst();
+    }
+
+    @Override
+    public DomainId domainId() {
+        return DomainId.domainId(domainId);
+    }
+
+    /**
+     * Convert connect point to port description.
+     *
+     * @param cp connect point of physical port
+     * @return port description of virtual big switch port
+     */
+    private PortDescription toVirtualPortDescription(ConnectPoint cp) {
+        Port p = deviceService.getPort(cp.deviceId(), cp.port());
+        if (p == null) {
+            return null;
+        }
+        // copy annotation
+        DefaultAnnotations.Builder annot = DefaultAnnotations.builder();
+        p.annotations().keys()
+                .forEach(k -> annot.set(k, p.annotations().value(k)));
+        annot.set(DOMAIN_ID, domainId);
+        // add annotation about underlying physical connect-point
+        Device device = deviceService.getDevice(cp.deviceId());
+        if (device.annotations().keys()
+                .contains(AnnotationKeys.LONGITUDE) && device.annotations().keys()
+                .contains(AnnotationKeys.LATITUDE)) {
+            annot.set(AnnotationKeys.LONGITUDE,
+                    device.annotations().value(AnnotationKeys.LONGITUDE));
+            annot.set(AnnotationKeys.LATITUDE, device.annotations().value(AnnotationKeys.LATITUDE));
+        }
+
+        // this is not really efficient...
+        Optional<MefPortConfig> mefPortConfig =
+                mefPortConfigs.stream().filter(item -> item.cp().equals(cp)).findFirst();
+        if (mefPortConfig.isPresent()) {
+            annot.set(MEF_PORT_TYPE, mefPortConfig.get().mefType().toString());
+            if (!mefPortConfig.get().interlinkId().id().equals("internal")) {
+                annot.set(INTERLINK_ID, mefPortConfig.get().interlinkId().id());
+            }
+        } else {
+            annot.set(MEF_PORT_TYPE, CarrierEthernetNetworkInterface.Type.GENERIC.toString());
+        }
+
+        Long vPortNo = Versioned.valueOrNull(portMap.get(cp));
+        if (vPortNo == null) {
+            return null;
+        }
+        PortNumber portNumber = PortNumber.portNumber(vPortNo);
+
+        return new DefaultPortDescription(portNumber, p.isEnabled(), p.type(),
+                p.portSpeed(), annot.build());
+    }
+
+    private void buildPorts() {
+        /*
+        edgePortService.getEdgePoints()
+                .forEach(cp -> {
+                    log.info("DEBUG: {}", cp.toString());
+                    if (isPortRelevant(cp)) {
+                        portMap.put(cp, getVirtualPortNumber(cp));
+                    }
+                });
+                */
+        deviceService.getDevices().forEach(device ->
+            deviceService.getPorts(device.id()).forEach(port -> {
+                        ConnectPoint cp = new ConnectPoint(device.id(), port.number());
+                        if (isPortRelevant(cp)) {
+                            portMap.put(cp, getVirtualPortNumber(cp));
+                        }
+                    }
+            ));
+    }
+
+    private Long getVirtualPortNumber(ConnectPoint cp) {
+        return p2vMap.getUnchecked(cp);
+    }
+
+    private void readConfig() {
+        mefPortConfigs = configRegistry.getConfig(appId, MefPortsConfig.class).mefPortConfigs();
+
+        if (mefPortConfigs != null) {
+            buildPorts();
+            log.info("Notifying Bigswitch presence..");
+            if (portMap.size() > 0) {
+                post(new BigSwitchEvent(BigSwitchEvent.Type.DEVICE_CREATED, null, getPorts()));
+            }
+        }
+    }
+
+    private class InternalDeviceListener implements DeviceListener {
+        @Override
+        public boolean isRelevant(DeviceEvent event) {
+            // Only listen for real devices
+            return !event.subject().type().equals(Device.Type.VIRTUAL) &&
+                    (event.type().equals(DeviceEvent.Type.PORT_ADDED) ||
+                    event.type().equals(DeviceEvent.Type.PORT_UPDATED) ||
+                    event.type().equals(DeviceEvent.Type.PORT_REMOVED));
+        }
+
+        @Override
+        public void event(DeviceEvent event) {
+            log.debug("Device event {} {} {}", event.subject(), event.port(), event.type());
+            ConnectPoint cp = new ConnectPoint(event.subject().id(), event.port().number());
+            if (!isPortRelevant(cp)) {
+                return;
+            }
+            BigSwitchEvent.Type bigSwitchEvent = null;
+
+            switch (event.type()) {
+                // Ignore most of these for now
+                case DEVICE_ADDED:
+                case DEVICE_AVAILABILITY_CHANGED:
+                case DEVICE_REMOVED:
+                case DEVICE_SUSPENDED:
+                case DEVICE_UPDATED:
+                case PORT_ADDED:
+                    portMap.put(cp, getVirtualPortNumber(cp));
+                    bigSwitchEvent = BigSwitchEvent.Type.PORT_ADDED;
+                    break;
+                case PORT_REMOVED:
+                    portMap.remove(cp, getVirtualPortNumber(cp));
+                    bigSwitchEvent = BigSwitchEvent.Type.PORT_REMOVED;
+                    break;
+                case PORT_STATS_UPDATED:
+                    break;
+                case PORT_UPDATED:
+                    bigSwitchEvent = BigSwitchEvent.Type.PORT_UPDATED;
+                    // Update if state of existing edge changed
+                    break;
+                default:
+                    break;
+
+            }
+            if (bigSwitchEvent != null && portMap.containsKey(cp) && mefPortConfigs != null) {
+                PortDescription descr = toVirtualPortDescription(cp);
+                if (descr != null) {
+                    post(new BigSwitchEvent(bigSwitchEvent,
+                            descr, getPorts()));
+                }
+            }
+        }
+    }
+
+    private class InternalConfigListener implements NetworkConfigListener {
+
+        @Override
+        public void event(NetworkConfigEvent event) {
+            if (!event.configClass().equals(MefPortsConfig.class)) {
+                return;
+            }
+            switch (event.type()) {
+                case CONFIG_ADDED:
+                    log.info("Network configuration added");
+                    executorService.execute(BigSwitchManager.this::readConfig);
+                    break;
+                case CONFIG_UPDATED:
+                    log.info("Network configuration updated");
+                    executorService.execute(BigSwitchManager.this::readConfig);
+                    break;
+                case CONFIG_REMOVED:
+                    // TODO
+                    break;
+                default:
+                        break;
+            }
+        }
+    }
+
+    private boolean isPortRelevant(ConnectPoint cp) {
+        if (mefPortConfigs == null) {
+            return false;
+        }
+        for (MefPortConfig portConfig : mefPortConfigs) {
+            if (portConfig.cp().equals(cp)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchService.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchService.java
new file mode 100644
index 0000000..02f82de
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/BigSwitchService.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch;
+
+
+import org.onosproject.event.ListenerService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.PortDescription;
+import org.onosproject.net.domain.DomainId;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * Service to interact with big switch abstraction.
+ */
+public interface BigSwitchService extends ListenerService<BigSwitchEvent, BigSwitchListener> {
+    /**
+     * Gets list of big switch ports.
+     *
+     * @return list of port descriptions
+     */
+    List<PortDescription> getPorts();
+
+    /**
+     * Gets the big switch port mapped to the physical port.
+     *
+     * @param port the physical port
+     * @return virtual port number
+     */
+    PortNumber getPort(ConnectPoint port);
+
+
+    /**
+     * Gets the local connect point mapped to the specified virtual port number.
+     * @param portNumber virtual port number
+     * @return optional local-site connect point
+     */
+    Optional<ConnectPoint> connectPointFromVirtPort(PortNumber portNumber);
+
+    /**
+     * Returns the local domain ID of this bigswitch.
+     *
+     * @return domain ID
+     */
+    DomainId domainId();
+}
+
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/MefPortsConfig.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/MefPortsConfig.java
new file mode 100644
index 0000000..3932acb
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/MefPortsConfig.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.config.Config;
+import org.opencord.ce.api.models.CarrierEthernetNetworkInterface;
+import org.opencord.ce.api.services.virtualprovider.LinkId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.opencord.ce.api.services.channel.Symbols.MEF_PORT_TYPE;
+import static org.opencord.ce.api.models.CarrierEthernetNetworkInterface.Type;
+
+/**
+ * See config-samples/ecord-local-config.json.
+ */
+public class MefPortsConfig extends Config<ApplicationId> {
+    private final Logger log = LoggerFactory.getLogger(getClass());
+    public static final String MEF_PORTS = "mefPorts";
+    public static final String CONNECT_POINT = "connectPoint";
+    public static final String INTERLINK_ID = "interlinkId";
+
+    public List<MefPortConfig> mefPortConfigs() {
+        List<MefPortConfig> mefPortConfigs = new ArrayList<>();
+        array.forEach(item -> mefPortConfigs.add(new MefPortConfig(
+                ConnectPoint.deviceConnectPoint(item.path(CONNECT_POINT).asText()),
+                CarrierEthernetNetworkInterface.Type.valueOf(item.path(MEF_PORT_TYPE).asText()),
+                LinkId.linkId(item.path(INTERLINK_ID).isMissingNode() ? "internal" :
+                        item.path(INTERLINK_ID).asText())
+        )));
+        return mefPortConfigs;
+    }
+
+    public static class MefPortConfig {
+        private ConnectPoint cp;
+        private CarrierEthernetNetworkInterface.Type mefType;
+        private LinkId interlinkId;
+
+        public MefPortConfig(ConnectPoint cp, Type mefType,
+                              LinkId interlinkId) {
+            this.cp = cp;
+            this.mefType = mefType;
+            this.interlinkId = interlinkId;
+        }
+
+        public ConnectPoint cp() {
+            return cp;
+        }
+
+        public Type mefType() {
+            return mefType;
+        }
+
+        public LinkId interlinkId() {
+            return interlinkId;
+        }
+    }
+}
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/BigSwitchPortsCommand.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/BigSwitchPortsCommand.java
new file mode 100644
index 0000000..22af7db
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/BigSwitchPortsCommand.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.opencord.ce.local.bigswitch.BigSwitchService;
+
+/**
+ * Command to list the ports of the bigswitch.
+ */
+@Command(scope = "onos", name = "bigswitch-ports",
+        description = "Lists the bigswitch ports")
+public class BigSwitchPortsCommand extends AbstractShellCommand {
+
+    @Override
+    public void execute() {
+        BigSwitchService bigSwitchService = get(BigSwitchService.class);
+
+        bigSwitchService.getPorts().forEach(
+                portDescription -> print(portDescription.toString())
+        );
+    }
+}
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/ConnectPointFromVirtPortCmd.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/ConnectPointFromVirtPortCmd.java
new file mode 100644
index 0000000..b94fec5
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/ConnectPointFromVirtPortCmd.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2017-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.opencord.ce.local.bigswitch.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.PortNumber;
+import org.opencord.ce.local.bigswitch.BigSwitchService;
+
+/**
+ * Returns the connect point associated to the specified port number of the bigswitch.
+ */
+@Command(scope = "onos", name = "bigswitch-port", description = "Returns the connect point" +
+        "associated with the specified virtual port of the bigswitch")
+public class ConnectPointFromVirtPortCmd extends AbstractShellCommand {
+
+    @Argument(index = 1, name = "port",
+            description = "Virtual bigswitch port",
+            required = true, multiValued = false)
+    String port = "0";
+
+
+    @Override
+    public void execute() {
+        BigSwitchService bigSwitchService = get(BigSwitchService.class);
+        print(bigSwitchService.connectPointFromVirtPort(PortNumber.fromString(port)).toString());
+
+    }
+}
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/package-info.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/package-info.java
new file mode 100644
index 0000000..194fb9f
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/cli/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-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.
+ */
+
+/**
+ * CLI command to explore the bigswitch ports.
+ */
+package org.opencord.ce.local.bigswitch.cli;
\ No newline at end of file
diff --git a/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/package-info.java b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/package-info.java
new file mode 100644
index 0000000..ca91d6a
--- /dev/null
+++ b/local/bigswitch/src/main/java/org/opencord/ce/local/bigswitch/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-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.
+ */
+
+/**
+ * Big switch abstraction package.
+ */
+package org.opencord.ce.local.bigswitch;
\ No newline at end of file
diff --git a/local/bigswitch/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/local/bigswitch/src/main/resources/OSGI-INF/blueprint/shell-config.xml
new file mode 100644
index 0000000..2db5ad1
--- /dev/null
+++ b/local/bigswitch/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -0,0 +1,26 @@
+<!--
+  ~ Copyright 2017-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.
+  -->
+<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
+
+    <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
+        <command>
+            <action class="org.opencord.ce.local.bigswitch.cli.BigSwitchPortsCommand"/>
+        </command>
+        <command>
+            <action class="org.opencord.ce.local.bigswitch.cli.ConnectPointFromVirtPortCmd"/>
+        </command>
+    </command-bundle>
+</blueprint>