diff --git a/drivers/src/main/java/org/onosproject/driver/pipeline/DefaultSingleTablePipeline.java b/drivers/src/main/java/org/onosproject/driver/pipeline/DefaultSingleTablePipeline.java
index 7308898..9a091f4 100644
--- a/drivers/src/main/java/org/onosproject/driver/pipeline/DefaultSingleTablePipeline.java
+++ b/drivers/src/main/java/org/onosproject/driver/pipeline/DefaultSingleTablePipeline.java
@@ -16,6 +16,7 @@
 package org.onosproject.driver.pipeline;
 
 import com.google.common.util.concurrent.SettableFuture;
+
 import org.onlab.osgi.ServiceDirectory;
 import org.onosproject.core.DefaultGroupId;
 import org.onosproject.net.DeviceId;
@@ -23,11 +24,14 @@
 import org.onosproject.net.behaviour.PipelinerContext;
 import org.onosproject.net.driver.AbstractHandlerBehaviour;
 import org.onosproject.net.flow.DefaultFlowRule;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
 import org.onosproject.net.flow.FlowRule;
 import org.onosproject.net.flow.FlowRuleOperations;
 import org.onosproject.net.flow.FlowRuleOperationsContext;
 import org.onosproject.net.flow.FlowRuleService;
 import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.instructions.Instructions;
 import org.onosproject.net.flowobjective.FilteringObjective;
 import org.onosproject.net.flowobjective.ForwardingObjective;
 import org.onosproject.net.flowobjective.NextObjective;
@@ -70,9 +74,18 @@
         }
 
         TrafficSelector selector = fwd.selector();
+        TrafficTreatment treatment = fwd.treatment();
+        if ((fwd.treatment().deferred().size() == 0) &&
+                (fwd.treatment().immediate().size() == 0) &&
+                (fwd.treatment().tableTransition() == null) &&
+                (!fwd.treatment().clearedDeferred())) {
+            TrafficTreatment.Builder flowTreatment = DefaultTrafficTreatment.builder();
+            flowTreatment.add(Instructions.createDrop());
+            treatment = flowTreatment.build();
+        }
 
         FlowRule rule = new DefaultFlowRule(deviceId, selector,
-                                            fwd.treatment(),
+                                            treatment,
                                             fwd.priority(), fwd.appId(),
                                             new DefaultGroupId(fwd.id()),
                                             fwd.timeout(), fwd.permanent());
diff --git a/drivers/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTP.java b/drivers/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTP.java
new file mode 100644
index 0000000..4e8d326
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTP.java
@@ -0,0 +1,601 @@
+/*
+ * Copyright 2015 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.onosproject.driver.pipeline;
+
+import static org.onlab.util.Tools.groupedThreads;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.RemovalCause;
+import com.google.common.cache.RemovalNotification;
+
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.VlanId;
+import org.onlab.util.KryoNamespace;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.behaviour.NextGroup;
+import org.onosproject.net.behaviour.Pipeliner;
+import org.onosproject.net.behaviour.PipelinerContext;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.net.flow.DefaultFlowRule;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.FlowRuleOperations;
+import org.onosproject.net.flow.FlowRuleOperationsContext;
+import org.onosproject.net.flow.FlowRuleService;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.criteria.Criteria;
+import org.onosproject.net.flow.criteria.Criterion;
+import org.onosproject.net.flow.criteria.EthCriterion;
+import org.onosproject.net.flow.criteria.EthTypeCriterion;
+import org.onosproject.net.flow.criteria.IPCriterion;
+import org.onosproject.net.flow.criteria.MplsCriterion;
+import org.onosproject.net.flow.criteria.PortCriterion;
+import org.onosproject.net.flow.criteria.VlanIdCriterion;
+import org.onosproject.net.flow.instructions.Instruction;
+import org.onosproject.net.flowobjective.FilteringObjective;
+import org.onosproject.net.flowobjective.FlowObjectiveStore;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.net.flowobjective.NextObjective;
+import org.onosproject.net.flowobjective.Objective;
+import org.onosproject.net.flowobjective.ObjectiveError;
+import org.onosproject.net.group.DefaultGroupBucket;
+import org.onosproject.net.group.DefaultGroupDescription;
+import org.onosproject.net.group.DefaultGroupKey;
+import org.onosproject.net.group.Group;
+import org.onosproject.net.group.GroupBucket;
+import org.onosproject.net.group.GroupBuckets;
+import org.onosproject.net.group.GroupDescription;
+import org.onosproject.net.group.GroupEvent;
+import org.onosproject.net.group.GroupKey;
+import org.onosproject.net.group.GroupListener;
+import org.onosproject.net.group.GroupService;
+import org.slf4j.Logger;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+/**
+ * Driver for SPRING-OPEN pipeline.
+ */
+public class SpringOpenTTP extends AbstractHandlerBehaviour
+        implements Pipeliner {
+
+    // Default table ID - compatible with CpqD switch
+    private static final int TABLE_VLAN = 0;
+    private static final int TABLE_TMAC = 1;
+    private static final int TABLE_IPV4_UNICAST = 2;
+    private static final int TABLE_MPLS = 3;
+    private static final int TABLE_ACL = 5;
+
+    /**
+     * Set the default values. These variables will get overwritten based on the
+     * switch vendor type
+     */
+    protected int vlanTableId = TABLE_VLAN;
+    protected int tmacTableId = TABLE_TMAC;
+    protected int ipv4UnicastTableId = TABLE_IPV4_UNICAST;
+    protected int mplsTableId = TABLE_MPLS;
+    protected int aclTableId = TABLE_ACL;
+
+    protected final Logger log = getLogger(getClass());
+
+    private ServiceDirectory serviceDirectory;
+    private FlowRuleService flowRuleService;
+    private CoreService coreService;
+    protected GroupService groupService;
+    protected FlowObjectiveStore flowObjectiveStore;
+    protected DeviceId deviceId;
+    private ApplicationId appId;
+
+    private Cache<GroupKey, NextObjective> pendingGroups;
+
+    private ScheduledExecutorService groupChecker = Executors
+            .newScheduledThreadPool(2,
+                                    groupedThreads("onos/pipeliner",
+                                                   "spring-open-%d"));
+    protected KryoNamespace appKryo = new KryoNamespace.Builder()
+            .register(GroupKey.class).register(DefaultGroupKey.class)
+            .register(SegmentRoutingGroup.class).register(byte[].class).build();
+
+    @Override
+    public void init(DeviceId deviceId, PipelinerContext context) {
+        this.serviceDirectory = context.directory();
+        this.deviceId = deviceId;
+
+        pendingGroups = CacheBuilder
+                .newBuilder()
+                .expireAfterWrite(20, TimeUnit.SECONDS)
+                .removalListener((RemovalNotification<GroupKey, NextObjective> notification) -> {
+                                     if (notification.getCause() == RemovalCause.EXPIRED) {
+                                         fail(notification.getValue(),
+                                              ObjectiveError.GROUPINSTALLATIONFAILED);
+                                     }
+                                 }).build();
+
+        groupChecker.scheduleAtFixedRate(new GroupChecker(), 0, 500,
+                                         TimeUnit.MILLISECONDS);
+
+        coreService = serviceDirectory.get(CoreService.class);
+        flowRuleService = serviceDirectory.get(FlowRuleService.class);
+        groupService = serviceDirectory.get(GroupService.class);
+        flowObjectiveStore = context.store();
+
+        groupService.addListener(new InnerGroupListener());
+
+        appId = coreService
+                .registerApplication("org.onosproject.driver.SpringOpenTTP");
+
+        setTableMissEntries();
+        log.info("Spring Open TTP driver initialized");
+    }
+
+    @Override
+    public void filter(FilteringObjective filteringObjective) {
+        if (filteringObjective.type() == FilteringObjective.Type.PERMIT) {
+            log.debug("processing PERMIT filter objective");
+            processFilter(filteringObjective,
+                          filteringObjective.op() == Objective.Operation.ADD,
+                          filteringObjective.appId());
+        } else {
+            log.debug("filter objective other than PERMIT not supported");
+            fail(filteringObjective, ObjectiveError.UNSUPPORTED);
+        }
+    }
+
+    @Override
+    public void forward(ForwardingObjective fwd) {
+        Collection<FlowRule> rules;
+        FlowRuleOperations.Builder flowBuilder = FlowRuleOperations.builder();
+
+        rules = processForward(fwd);
+        switch (fwd.op()) {
+        case ADD:
+            rules.stream().filter(rule -> rule != null)
+                    .forEach(flowBuilder::add);
+            break;
+        case REMOVE:
+            rules.stream().filter(rule -> rule != null)
+                    .forEach(flowBuilder::remove);
+            break;
+        default:
+            fail(fwd, ObjectiveError.UNKNOWN);
+            log.warn("Unknown forwarding type {}", fwd.op());
+        }
+
+        flowRuleService.apply(flowBuilder
+                .build(new FlowRuleOperationsContext() {
+                    @Override
+                    public void onSuccess(FlowRuleOperations ops) {
+                        pass(fwd);
+                    }
+
+                    @Override
+                    public void onError(FlowRuleOperations ops) {
+                        fail(fwd, ObjectiveError.FLOWINSTALLATIONFAILED);
+                    }
+                }));
+
+    }
+
+    @Override
+    public void next(NextObjective nextObjective) {
+        switch (nextObjective.type()) {
+        case SIMPLE:
+            log.debug("processing SIMPLE next objective");
+            Collection<TrafficTreatment> treatments = nextObjective.next();
+            if (treatments.size() == 1) {
+                TrafficTreatment treatment = treatments.iterator().next();
+                GroupBucket bucket = DefaultGroupBucket
+                        .createIndirectGroupBucket(treatment);
+                final GroupKey key = new DefaultGroupKey(
+                                                         appKryo.serialize(nextObjective
+                                                                 .id()));
+                GroupDescription groupDescription = new DefaultGroupDescription(
+                                                    deviceId,
+                                                    GroupDescription.Type.INDIRECT,
+                                                    new GroupBuckets(
+                                                       Collections.singletonList(bucket)),
+                                                    key,
+                                                    nextObjective.appId());
+                groupService.addGroup(groupDescription);
+                pendingGroups.put(key, nextObjective);
+            }
+            break;
+        case HASHED:
+            log.debug("processing HASHED next objective");
+            List<GroupBucket> buckets = nextObjective
+                    .next()
+                    .stream()
+                    .map((treatment) -> DefaultGroupBucket
+                                 .createSelectGroupBucket(treatment))
+                    .collect(Collectors.toList());
+            if (!buckets.isEmpty()) {
+                final GroupKey key = new DefaultGroupKey(
+                                                         appKryo.serialize(nextObjective
+                                                                 .id()));
+                GroupDescription groupDescription = new DefaultGroupDescription(
+                                                            deviceId,
+                                                            GroupDescription.Type.SELECT,
+                                                            new GroupBuckets(buckets),
+                                                            key,
+                                                            nextObjective.appId());
+                groupService.addGroup(groupDescription);
+                pendingGroups.put(key, nextObjective);
+            }
+            break;
+        case BROADCAST:
+        case FAILOVER:
+            log.debug("BROADCAST and FAILOVER next objectives not supported");
+            fail(nextObjective, ObjectiveError.UNSUPPORTED);
+            log.warn("Unsupported next objective type {}", nextObjective.type());
+            break;
+        default:
+            fail(nextObjective, ObjectiveError.UNKNOWN);
+            log.warn("Unknown next objective type {}", nextObjective.type());
+        }
+
+    }
+
+    private Collection<FlowRule> processForward(ForwardingObjective fwd) {
+        switch (fwd.flag()) {
+        case SPECIFIC:
+            return processSpecific(fwd);
+        case VERSATILE:
+            return processVersatile(fwd);
+        default:
+            fail(fwd, ObjectiveError.UNKNOWN);
+            log.warn("Unknown forwarding flag {}", fwd.flag());
+        }
+        return Collections.emptySet();
+    }
+
+    private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
+        fail(fwd, ObjectiveError.UNSUPPORTED);
+        return Collections.emptySet();
+    }
+
+    protected Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
+        log.debug("Processing specific");
+        TrafficSelector selector = fwd.selector();
+        EthTypeCriterion ethType = (EthTypeCriterion) selector
+                .getCriterion(Criterion.Type.ETH_TYPE);
+        if ((ethType == null) ||
+                ((((short) ethType.ethType()) != Ethernet.TYPE_IPV4) &&
+                (((short) ethType.ethType()) != Ethernet.MPLS_UNICAST))) {
+            log.debug("processSpecific: Unsupported "
+                    + "forwarding objective criteraia");
+            fail(fwd, ObjectiveError.UNSUPPORTED);
+            return Collections.emptySet();
+        }
+
+        TrafficSelector.Builder filteredSelectorBuilder =
+                DefaultTrafficSelector.builder();
+        int forTableId = -1;
+        if (((short) ethType.ethType()) == Ethernet.TYPE_IPV4) {
+            filteredSelectorBuilder = filteredSelectorBuilder
+                .matchEthType(Ethernet.TYPE_IPV4)
+                .matchIPDst(((IPCriterion) selector
+                        .getCriterion(Criterion.Type.IPV4_DST))
+                        .ip());
+            forTableId = ipv4UnicastTableId;
+            log.debug("processing IPv4 specific forwarding objective");
+        } else {
+            filteredSelectorBuilder = filteredSelectorBuilder
+                .matchEthType(Ethernet.MPLS_UNICAST)
+                .matchMplsLabel(((MplsCriterion)
+                   selector.getCriterion(Criterion.Type.MPLS_LABEL)).label());
+            //TODO: Add Match for BoS
+            //if (selector.getCriterion(Criterion.Type.MPLS_BOS) != null) {
+            //}
+            forTableId = mplsTableId;
+            log.debug("processing MPLS specific forwarding objective");
+        }
+
+        TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment
+                .builder();
+        if (fwd.treatment() != null) {
+            for (Instruction i : fwd.treatment().allInstructions()) {
+                treatmentBuilder.add(i);
+            }
+        }
+
+        //TODO: Analyze the forwarding objective here to make
+        //device specific decision such as no ECMP groups in Dell
+        //switches.
+        if (fwd.nextId() != null) {
+            NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
+
+            if (next != null) {
+                GroupKey key = appKryo.deserialize(next.data());
+
+                Group group = groupService.getGroup(deviceId, key);
+
+                if (group == null) {
+                    log.warn("The group left!");
+                    fail(fwd, ObjectiveError.GROUPMISSING);
+                    return Collections.emptySet();
+                }
+                treatmentBuilder.group(group.id());
+                log.debug("Adding OUTGROUP action");
+            }
+        }
+
+        TrafficSelector filteredSelector = filteredSelectorBuilder.build();
+        TrafficTreatment treatment = treatmentBuilder.transition(aclTableId)
+                .build();
+
+        FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
+                .fromApp(fwd.appId()).withPriority(fwd.priority())
+                .forDevice(deviceId).withSelector(filteredSelector)
+                .withTreatment(treatment);
+
+        if (fwd.permanent()) {
+            ruleBuilder.makePermanent();
+        } else {
+            ruleBuilder.makeTemporary(fwd.timeout());
+        }
+
+        ruleBuilder.forTable(forTableId);
+        return Collections.singletonList(ruleBuilder.build());
+
+    }
+
+    protected List<FlowRule> processEthDstFilter(Criterion c,
+                                       FilteringObjective filt,
+                                       ApplicationId applicationId) {
+        List<FlowRule> rules = new ArrayList<FlowRule>();
+        EthCriterion e = (EthCriterion) c;
+        TrafficSelector.Builder selectorIp = DefaultTrafficSelector
+                .builder();
+        TrafficTreatment.Builder treatmentIp = DefaultTrafficTreatment
+                .builder();
+        selectorIp.matchEthDst(e.mac());
+        selectorIp.matchEthType(Ethernet.TYPE_IPV4);
+        treatmentIp.transition(ipv4UnicastTableId);
+        FlowRule ruleIp = DefaultFlowRule.builder().forDevice(deviceId)
+                .withSelector(selectorIp.build())
+                .withTreatment(treatmentIp.build())
+                .withPriority(filt.priority()).fromApp(applicationId)
+                .makePermanent().forTable(tmacTableId).build();
+        log.debug("adding IP ETH rule for MAC: {}", e.mac());
+        rules.add(ruleIp);
+
+        TrafficSelector.Builder selectorMpls = DefaultTrafficSelector
+                .builder();
+        TrafficTreatment.Builder treatmentMpls = DefaultTrafficTreatment
+                .builder();
+        selectorMpls.matchEthDst(e.mac());
+        selectorMpls.matchEthType(Ethernet.MPLS_UNICAST);
+        treatmentMpls.transition(mplsTableId);
+        FlowRule ruleMpls = DefaultFlowRule.builder()
+                .forDevice(deviceId).withSelector(selectorMpls.build())
+                .withTreatment(treatmentMpls.build())
+                .withPriority(filt.priority()).fromApp(applicationId)
+                .makePermanent().forTable(tmacTableId).build();
+        log.debug("adding MPLS ETH rule for MAC: {}", e.mac());
+        rules.add(ruleMpls);
+
+        return rules;
+    }
+
+    private void processFilter(FilteringObjective filt, boolean install,
+                               ApplicationId applicationId) {
+        // This driver only processes filtering criteria defined with switch
+        // ports as the key
+        PortCriterion p;
+        if (!filt.key().equals(Criteria.dummy())
+                && filt.key().type() == Criterion.Type.IN_PORT) {
+            p = (PortCriterion) filt.key();
+        } else {
+            log.warn("No key defined in filtering objective from app: {}. Not"
+                    + "processing filtering objective", applicationId);
+            fail(filt, ObjectiveError.UNKNOWN);
+            return;
+        }
+        // convert filtering conditions for switch-intfs into flowrules
+        FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+        for (Criterion c : filt.conditions()) {
+            if (c.type() == Criterion.Type.ETH_DST) {
+                for (FlowRule rule : processEthDstFilter(c,
+                                                         filt,
+                                                         applicationId)) {
+                    ops = install ? ops.add(rule) : ops.remove(rule);
+                }
+            } else if (c.type() == Criterion.Type.VLAN_VID) {
+                VlanIdCriterion v = (VlanIdCriterion) c;
+                log.debug("adding rule for VLAN: {}", v.vlanId());
+                TrafficSelector.Builder selector = DefaultTrafficSelector
+                        .builder();
+                TrafficTreatment.Builder treatment = DefaultTrafficTreatment
+                        .builder();
+                if (v.vlanId() != VlanId.NONE) {
+                    selector.matchVlanId(v.vlanId());
+                    selector.matchInPort(p.port());
+                    treatment.deferred().popVlan();
+                }
+                treatment.transition(tmacTableId);
+                FlowRule rule = DefaultFlowRule.builder().forDevice(deviceId)
+                        .withSelector(selector.build())
+                        .withTreatment(treatment.build())
+                        .withPriority(filt.priority()).fromApp(applicationId)
+                        .makePermanent().forTable(vlanTableId).build();
+                ops = install ? ops.add(rule) : ops.remove(rule);
+            } else if (c.type() == Criterion.Type.IPV4_DST) {
+                IPCriterion ip = (IPCriterion) c;
+                log.debug("adding rule for IP: {}", ip.ip());
+                TrafficSelector.Builder selector = DefaultTrafficSelector
+                        .builder();
+                TrafficTreatment.Builder treatment = DefaultTrafficTreatment
+                        .builder();
+                selector.matchEthType(Ethernet.TYPE_IPV4);
+                selector.matchIPDst(ip.ip());
+                treatment.transition(aclTableId);
+                FlowRule rule = DefaultFlowRule.builder().forDevice(deviceId)
+                        .withSelector(selector.build())
+                        .withTreatment(treatment.build())
+                        .withPriority(filt.priority()).fromApp(applicationId)
+                        .makePermanent().forTable(ipv4UnicastTableId).build();
+                ops = install ? ops.add(rule) : ops.remove(rule);
+            } else {
+                log.warn("Driver does not currently process filtering condition"
+                                 + " of type: {}", c.type());
+                fail(filt, ObjectiveError.UNSUPPORTED);
+            }
+        }
+        // apply filtering flow rules
+        flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+            @Override
+            public void onSuccess(FlowRuleOperations ops) {
+                pass(filt);
+                log.info("Provisioned tables for segment router");
+            }
+
+            @Override
+            public void onError(FlowRuleOperations ops) {
+                fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED);
+                log.info("Failed to provision tables for segment router");
+            }
+        }));
+    }
+
+    protected void setTableMissEntries() {
+        // set all table-miss-entries
+        populateTableMissEntry(vlanTableId, true, false, false, -1);
+        populateTableMissEntry(tmacTableId, true, false, false, -1);
+        populateTableMissEntry(ipv4UnicastTableId, false, true, true,
+                               aclTableId);
+        populateTableMissEntry(mplsTableId, false, true, true, aclTableId);
+        populateTableMissEntry(aclTableId, false, false, false, -1);
+    }
+
+    protected void populateTableMissEntry(int tableToAdd,
+                                          boolean toControllerNow,
+                                          boolean toControllerWrite,
+                                          boolean toTable, int tableToSend) {
+        TrafficSelector selector = DefaultTrafficSelector.builder().build();
+        TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
+
+        if (toControllerNow) {
+            tBuilder.setOutput(PortNumber.CONTROLLER);
+        }
+
+        if (toControllerWrite) {
+            tBuilder.deferred().setOutput(PortNumber.CONTROLLER);
+        }
+
+        if (toTable) {
+            tBuilder.transition(tableToSend);
+        }
+
+        FlowRule flow = DefaultFlowRule.builder().forDevice(deviceId)
+                .withSelector(selector).withTreatment(tBuilder.build())
+                .withPriority(0).fromApp(appId).makePermanent()
+                .forTable(tableToAdd).build();
+
+        flowRuleService.applyFlowRules(flow);
+    }
+
+    private void pass(Objective obj) {
+        if (obj.context().isPresent()) {
+            obj.context().get().onSuccess(obj);
+        }
+    }
+
+    protected void fail(Objective obj, ObjectiveError error) {
+        if (obj.context().isPresent()) {
+            obj.context().get().onError(obj, error);
+        }
+    }
+
+    private class InnerGroupListener implements GroupListener {
+        @Override
+        public void event(GroupEvent event) {
+            if (event.type() == GroupEvent.Type.GROUP_ADDED) {
+                GroupKey key = event.subject().appCookie();
+
+                NextObjective obj = pendingGroups.getIfPresent(key);
+                if (obj != null) {
+                    flowObjectiveStore
+                            .putNextGroup(obj.id(),
+                                          new SegmentRoutingGroup(key));
+                    pass(obj);
+                    pendingGroups.invalidate(key);
+                }
+            }
+        }
+    }
+
+    private class GroupChecker implements Runnable {
+
+        @Override
+        public void run() {
+            Set<GroupKey> keys = pendingGroups
+                    .asMap()
+                    .keySet()
+                    .stream()
+                    .filter(key -> groupService.getGroup(deviceId, key) != null)
+                    .collect(Collectors.toSet());
+
+            keys.stream()
+                    .forEach(key -> {
+                                 NextObjective obj = pendingGroups
+                                         .getIfPresent(key);
+                                 if (obj == null) {
+                                     return;
+                                 }
+                                 pass(obj);
+                                 pendingGroups.invalidate(key);
+                                 flowObjectiveStore.putNextGroup(obj.id(),
+                                                                 new SegmentRoutingGroup(
+                                                                                         key));
+                             });
+        }
+    }
+
+    private class SegmentRoutingGroup implements NextGroup {
+
+        private final GroupKey key;
+
+        public SegmentRoutingGroup(GroupKey key) {
+            this.key = key;
+        }
+
+        public GroupKey key() {
+            return key;
+        }
+
+        @Override
+        public byte[] data() {
+            return appKryo.serialize(key);
+        }
+
+    }
+}
diff --git a/drivers/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTPDell.java b/drivers/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTPDell.java
new file mode 100644
index 0000000..4a817bf
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTPDell.java
@@ -0,0 +1,217 @@
+/*
+ * Copyright 2015 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.onosproject.driver.pipeline;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.MacAddress;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.behaviour.NextGroup;
+import org.onosproject.net.flow.DefaultFlowRule;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.criteria.Criterion;
+import org.onosproject.net.flow.criteria.EthCriterion;
+import org.onosproject.net.flow.criteria.EthTypeCriterion;
+import org.onosproject.net.flow.criteria.IPCriterion;
+import org.onosproject.net.flow.criteria.MplsCriterion;
+import org.onosproject.net.flow.instructions.Instruction;
+import org.onosproject.net.flowobjective.FilteringObjective;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.net.flowobjective.ObjectiveError;
+import org.onosproject.net.group.Group;
+import org.onosproject.net.group.GroupKey;
+
+/**
+ * Spring-open driver implementation for Dell hardware switches.
+ */
+public class SpringOpenTTPDell extends SpringOpenTTP {
+
+    /* Table IDs to be used for Dell Open Segment Routers*/
+    private static final int DELL_TABLE_VLAN = 17;
+    private static final int DELL_TABLE_TMAC = 18;
+    private static final int DELL_TABLE_IPV4_UNICAST = 30;
+    private static final int DELL_TABLE_MPLS = 25;
+    private static final int DELL_TABLE_ACL = 40;
+
+    //TODO: Store this info in the distributed store.
+    private MacAddress deviceTMac = null;
+
+    public SpringOpenTTPDell() {
+        super();
+        vlanTableId = DELL_TABLE_VLAN;
+        tmacTableId = DELL_TABLE_TMAC;
+        ipv4UnicastTableId = DELL_TABLE_IPV4_UNICAST;
+        mplsTableId = DELL_TABLE_MPLS;
+        aclTableId = DELL_TABLE_ACL;
+    }
+
+    @Override
+    protected void setTableMissEntries() {
+        // No need to set table-miss-entries in Dell switches
+        return;
+    }
+
+    @Override
+    //Dell switches need ETH_DST based match condition in all IP table entries.
+    //So this method overrides the default spring-open behavior and adds
+    //ETH_DST match condition while pushing IP table flow rules
+    protected Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
+        log.debug("Processing specific");
+        TrafficSelector selector = fwd.selector();
+        EthTypeCriterion ethType = (EthTypeCriterion) selector
+                .getCriterion(Criterion.Type.ETH_TYPE);
+        if ((ethType == null) ||
+                ((((short) ethType.ethType()) != Ethernet.TYPE_IPV4) &&
+                (((short) ethType.ethType()) != Ethernet.MPLS_UNICAST))) {
+            log.debug("processSpecific: Unsupported "
+                    + "forwarding objective criteraia");
+            fail(fwd, ObjectiveError.UNSUPPORTED);
+            return Collections.emptySet();
+        }
+
+        TrafficSelector.Builder filteredSelectorBuilder =
+                DefaultTrafficSelector.builder();
+        int forTableId = -1;
+        if (((short) ethType.ethType()) == Ethernet.TYPE_IPV4) {
+            if (deviceTMac == null) {
+                log.debug("processSpecific: ETH_DST filtering "
+                        + "objective is not set which is required "
+                        + "before sending a IPv4 forwarding objective");
+                //TODO: Map the error to more appropriate error code.
+                fail(fwd, ObjectiveError.DEVICEMISSING);
+                return Collections.emptySet();
+            }
+            filteredSelectorBuilder = filteredSelectorBuilder
+                .matchEthType(Ethernet.TYPE_IPV4)
+                .matchEthDst(deviceTMac)
+                .matchIPDst(((IPCriterion) selector
+                        .getCriterion(Criterion.Type.IPV4_DST))
+                        .ip());
+            forTableId = ipv4UnicastTableId;
+            log.debug("processing IPv4 specific forwarding objective");
+        } else {
+            filteredSelectorBuilder = filteredSelectorBuilder
+                .matchEthType(Ethernet.MPLS_UNICAST)
+                .matchMplsLabel(((MplsCriterion)
+                   selector.getCriterion(Criterion.Type.MPLS_LABEL)).label());
+            //TODO: Add Match for BoS
+            //if (selector.getCriterion(Criterion.Type.MPLS_BOS) != null) {
+            //}
+            forTableId = mplsTableId;
+            log.debug("processing MPLS specific forwarding objective");
+        }
+
+        TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment
+                .builder();
+        if (fwd.treatment() != null) {
+            for (Instruction i : fwd.treatment().allInstructions()) {
+                treatmentBuilder.add(i);
+            }
+        }
+
+        if (fwd.nextId() != null) {
+            NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
+
+            if (next != null) {
+                GroupKey key = appKryo.deserialize(next.data());
+
+                Group group = groupService.getGroup(deviceId, key);
+
+                if (group == null) {
+                    log.warn("The group left!");
+                    fail(fwd, ObjectiveError.GROUPMISSING);
+                    return Collections.emptySet();
+                }
+                treatmentBuilder.group(group.id());
+                log.debug("Adding OUTGROUP action");
+            }
+        }
+
+        TrafficSelector filteredSelector = filteredSelectorBuilder.build();
+        TrafficTreatment treatment = treatmentBuilder.transition(aclTableId)
+                .build();
+
+        FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
+                .fromApp(fwd.appId()).withPriority(fwd.priority())
+                .forDevice(deviceId).withSelector(filteredSelector)
+                .withTreatment(treatment);
+
+        if (fwd.permanent()) {
+            ruleBuilder.makePermanent();
+        } else {
+            ruleBuilder.makeTemporary(fwd.timeout());
+        }
+
+        ruleBuilder.forTable(forTableId);
+        return Collections.singletonList(ruleBuilder.build());
+
+    }
+
+    @Override
+    //Dell switches need ETH_DST based match condition in all IP table entries.
+    //So while processing the ETH_DST based filtering objective, store
+    //the device MAC to be used locally to use it while pushing the IP rules.
+    protected List<FlowRule> processEthDstFilter(Criterion c,
+                                                 FilteringObjective filt,
+                                                 ApplicationId applicationId) {
+        List<FlowRule> rules = new ArrayList<FlowRule>();
+        EthCriterion e = (EthCriterion) c;
+        TrafficSelector.Builder selectorIp = DefaultTrafficSelector
+                .builder();
+        TrafficTreatment.Builder treatmentIp = DefaultTrafficTreatment
+                .builder();
+
+        // Store device termination Mac to be used in IP flow entries
+        deviceTMac = e.mac();
+
+        selectorIp.matchEthDst(e.mac());
+        selectorIp.matchEthType(Ethernet.TYPE_IPV4);
+        treatmentIp.transition(ipv4UnicastTableId);
+        FlowRule ruleIp = DefaultFlowRule.builder().forDevice(deviceId)
+                .withSelector(selectorIp.build())
+                .withTreatment(treatmentIp.build())
+                .withPriority(filt.priority()).fromApp(applicationId)
+                .makePermanent().forTable(tmacTableId).build();
+        log.debug("adding IP ETH rule for MAC: {}", e.mac());
+        rules.add(ruleIp);
+
+        TrafficSelector.Builder selectorMpls = DefaultTrafficSelector
+                .builder();
+        TrafficTreatment.Builder treatmentMpls = DefaultTrafficTreatment
+                .builder();
+        selectorMpls.matchEthDst(e.mac());
+        selectorMpls.matchEthType(Ethernet.MPLS_UNICAST);
+        treatmentMpls.transition(mplsTableId);
+        FlowRule ruleMpls = DefaultFlowRule.builder()
+                .forDevice(deviceId).withSelector(selectorMpls.build())
+                .withTreatment(treatmentMpls.build())
+                .withPriority(filt.priority()).fromApp(applicationId)
+                .makePermanent().forTable(tmacTableId).build();
+        log.debug("adding MPLS ETH rule for MAC: {}", e.mac());
+        rules.add(ruleMpls);
+
+        return rules;
+    }
+
+}
\ No newline at end of file
diff --git a/drivers/src/main/resources/onos-drivers.xml b/drivers/src/main/resources/onos-drivers.xml
index 2efc607..d7c61c8 100644
--- a/drivers/src/main/resources/onos-drivers.xml
+++ b/drivers/src/main/resources/onos-drivers.xml
@@ -23,4 +23,12 @@
         <behaviour api="org.onosproject.net.behaviour.Pipeliner"
                    impl="org.onosproject.driver.pipeline.OVSCorsaPipeline"/>
     </driver>
-</drivers>
\ No newline at end of file
+    <driver name="spring-open-cpqd" manufacturer="Stanford University, Ericsson Research and CPqD Research" hwVersion="OpenFlow 1.3 Reference Userspace Switch" swVersion="Apr  6 2015 16:10:53">
+        <behaviour api="org.onosproject.net.behaviour.Pipeliner"
+                   impl="org.onosproject.driver.pipeline.SpringOpenTTP"/>
+    </driver>
+    <driver name="spring-open" manufacturer="Dell " hwVersion="OpenFlow switch HW ver. 1.0" swVersion="OpenFlow switch SW ver. 1.0 and 1.3">
+        <behaviour api="org.onosproject.net.behaviour.Pipeliner"
+                   impl="org.onosproject.driver.pipeline.SpringOpenTTPDell"/>
+    </driver>
+</drivers>