diff --git a/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java b/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java
index 0a2ed39..fc30f12 100644
--- a/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java
+++ b/src/main/java/net/onrc/onos/apps/forwarding/Forwarding.java
@@ -37,7 +37,6 @@
 import net.onrc.onos.core.topology.Port;
 import net.onrc.onos.core.topology.Switch;
 import net.onrc.onos.core.topology.Topology;
-import net.onrc.onos.core.util.Dpid;
 import net.onrc.onos.core.util.FlowPath;
 import net.onrc.onos.core.util.PortNumber;
 import net.onrc.onos.core.util.SwitchPort;
@@ -420,7 +419,7 @@
                     for (Iterator<LinkEvent> i = path.iterator(); i.hasNext();) {
                         LinkEvent le = i.next();
 
-                        if (new Dpid(le.getSrc().dpid).equals(sw.getDpid())) {
+                        if (le.getSrc().getDpid().equals(sw.getDpid())) {
                             log.trace("The packet-in sw dpid {} is on the path.", sw.getDpid());
                             isflowEntryForThisSwitch = true;
                             outPort = le.getSrc().getNumber().value();
diff --git a/src/main/java/net/onrc/onos/core/intent/PathIntentMap.java b/src/main/java/net/onrc/onos/core/intent/PathIntentMap.java
index dae154e..7b93acc 100644
--- a/src/main/java/net/onrc/onos/core/intent/PathIntentMap.java
+++ b/src/main/java/net/onrc/onos/core/intent/PathIntentMap.java
@@ -7,7 +7,9 @@
 
 import net.onrc.onos.core.topology.Link;
 import net.onrc.onos.core.topology.LinkEvent;
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
+import net.onrc.onos.core.util.Dpid;
+import net.onrc.onos.core.util.PortNumber;
+import net.onrc.onos.core.util.SwitchPort;
 
 /**
  * In addition to maintaining the Intent ID to Intent mapping of its
@@ -16,7 +18,7 @@
  * when a network event involves a particular switch port.
  */
 public class PathIntentMap extends IntentMap {
-    private final HashMap<Long, HashMap<Long, HashSet<PathIntent>>> intents;
+    private final HashMap<Dpid, HashMap<PortNumber, HashSet<PathIntent>>> intents;
 
     /**
      * Constructor.
@@ -32,9 +34,9 @@
      * @return a set of all intents that contain swPort
      */
     private HashSet<PathIntent> get(SwitchPort swPort) {
-        Long dpid = swPort.getDpid().value();
-        Long port = (long) swPort.getNumber().value();
-        HashMap<Long, HashSet<PathIntent>> portToIntents = intents.get(dpid);
+        Dpid dpid = swPort.getDpid();
+        PortNumber port = swPort.getNumber();
+        HashMap<PortNumber, HashSet<PathIntent>> portToIntents = intents.get(dpid);
         if (portToIntents == null) {
             portToIntents = new HashMap<>();
             intents.put(dpid, portToIntents);
@@ -100,21 +102,21 @@
      */
     public Collection<PathIntent> getIntentsByLink(LinkEvent linkEvent) {
         return getIntentsByPort(
-                linkEvent.getSrc().getDpid().value(),
-                (long) linkEvent.getSrc().getNumber().value());
+                linkEvent.getSrc().getDpid(),
+                linkEvent.getSrc().getNumber());
     }
 
     /**
      * Retrieve all intents that use a particular port.
      *
      * @param dpid the switch's DPID
-     * @param port the switch's port
+     * @param portNumber the switch's port
      * @return a collection of PathIntents that use the port
      */
-    public Collection<PathIntent> getIntentsByPort(Long dpid, Long port) {
-        HashMap<Long, HashSet<PathIntent>> portToIntents = intents.get(dpid);
+    public Collection<PathIntent> getIntentsByPort(Dpid dpid, PortNumber portNumber) {
+        HashMap<PortNumber, HashSet<PathIntent>> portToIntents = intents.get(dpid);
         if (portToIntents != null) {
-            HashSet<PathIntent> targetIntents = portToIntents.get(port);
+            HashSet<PathIntent> targetIntents = portToIntents.get(portNumber);
             if (targetIntents != null) {
                 return Collections.unmodifiableCollection(targetIntents);
             }
@@ -128,9 +130,9 @@
      * @param dpid the switch's DPID
      * @return a collection of PathIntents that use the switch
      */
-    public Collection<PathIntent> getIntentsByDpid(Long dpid) {
+    public Collection<PathIntent> getIntentsByDpid(Dpid dpid) {
         HashSet<PathIntent> result = new HashSet<>();
-        HashMap<Long, HashSet<PathIntent>> portToIntents = intents.get(dpid);
+        HashMap<PortNumber, HashSet<PathIntent>> portToIntents = intents.get(dpid);
         if (portToIntents != null) {
             for (HashSet<PathIntent> targetIntents : portToIntents.values()) {
                 result.addAll(targetIntents);
diff --git a/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java b/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java
index b41b68a..d41296b 100644
--- a/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java
+++ b/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java
@@ -703,14 +703,14 @@
             p.log("begin_getIntentsByPort");
             for (PortEvent portEvent : removedPortEvents) {
                 affectedPaths.addAll(pathIntents.getIntentsByPort(
-                        portEvent.getDpid().value(),
-                        (long) portEvent.getNumber().value()));
+                        portEvent.getDpid(),
+                        portEvent.getNumber()));
             }
             p.log("end_getIntentsByPort");
 
             p.log("begin_getIntentsByDpid");
             for (SwitchEvent switchEvent : removedSwitchEvents) {
-                affectedPaths.addAll(pathIntents.getIntentsByDpid(switchEvent.getDpid().value()));
+                affectedPaths.addAll(pathIntents.getIntentsByDpid(switchEvent.getDpid()));
             }
             p.log("end_getIntentsByDpid");
         }
diff --git a/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java b/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java
index cdef9aa..0030516 100644
--- a/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java
@@ -5,7 +5,7 @@
 import java.util.List;
 
 import net.floodlightcontroller.util.MACAddress;
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
+import net.onrc.onos.core.util.SwitchPort;
 
 /**
  * Self-contained Device event(s) Object
diff --git a/src/main/java/net/onrc/onos/core/topology/LinkEvent.java b/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
index c54140d..f72a429 100644
--- a/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
@@ -2,10 +2,10 @@
 
 import java.nio.ByteBuffer;
 
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
 import net.onrc.onos.core.topology.web.serializers.LinkEventSerializer;
 import net.onrc.onos.core.util.Dpid;
 import net.onrc.onos.core.util.PortNumber;
+import net.onrc.onos.core.util.SwitchPort;
 
 import org.codehaus.jackson.map.annotate.JsonSerialize;
 
@@ -65,8 +65,8 @@
 
     public static ByteBuffer getLinkID(Dpid srcDpid, PortNumber srcPortNo,
                                        Dpid dstDpid, PortNumber dstPortNo) {
-            return getLinkID(srcDpid.value(), (long) srcPortNo.value(),
-                             dstDpid.value(), (long) dstPortNo.value());
+        return getLinkID(srcDpid.value(), (long) srcPortNo.value(),
+                         dstDpid.value(), (long) dstPortNo.value());
     }
 
     public static ByteBuffer getLinkID(Long srcDpid, Long srcPortNo,
@@ -77,8 +77,7 @@
     }
 
     public byte[] getID() {
-        return getLinkID(src.getDpid(), src.getNumber(),
-                dst.getDpid(), dst.getNumber()).array();
+        return getIDasByteBuffer().array();
     }
 
     public ByteBuffer getIDasByteBuffer() {
diff --git a/src/main/java/net/onrc/onos/core/topology/PortEvent.java b/src/main/java/net/onrc/onos/core/topology/PortEvent.java
index 5c63de7..8d3c945 100644
--- a/src/main/java/net/onrc/onos/core/topology/PortEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/PortEvent.java
@@ -1,12 +1,10 @@
 package net.onrc.onos.core.topology;
 
-import net.onrc.onos.core.topology.web.serializers.SwitchPortSerializer;
 import net.onrc.onos.core.util.Dpid;
 import net.onrc.onos.core.util.PortNumber;
+import net.onrc.onos.core.util.SwitchPort;
 
 import org.apache.commons.lang.Validate;
-import org.codehaus.jackson.map.annotate.JsonSerialize;
-
 import java.nio.ByteBuffer;
 import java.util.Objects;
 
@@ -17,83 +15,6 @@
  */
 public class PortEvent {
 
-    // TODO eliminate this class and use util.SwitchPort if possible
-    @JsonSerialize(using = SwitchPortSerializer.class)
-    public static class SwitchPort {
-        public final Long dpid;
-        public final Long number;
-
-        /**
-         * Default constructor for Serializer to use.
-         */
-        @Deprecated
-        public SwitchPort() {
-            dpid = null;
-            number = null;
-        }
-
-        public SwitchPort(Long dpid, Long number) {
-            this.dpid = dpid;
-            this.number = number;
-        }
-
-        public SwitchPort(Dpid dpid, PortNumber number) {
-            this(dpid.value(), (long) number.value());
-        }
-
-        public Dpid getDpid() {
-            return new Dpid(dpid);
-        }
-
-        public PortNumber getNumber() {
-            return new PortNumber(number.shortValue());
-        }
-
-        @Override
-        public String toString() {
-            return "(" + Long.toHexString(dpid) + "@" + number + ")";
-        }
-
-        @Override
-        public int hashCode() {
-            final int prime = 31;
-            int result = 1;
-            result = prime * result + ((dpid == null) ? 0 : dpid.hashCode());
-            result = prime * result
-                    + ((number == null) ? 0 : number.hashCode());
-            return result;
-        }
-
-        @Override
-        public boolean equals(Object obj) {
-            if (this == obj) {
-                return true;
-            }
-            if (obj == null) {
-                return false;
-            }
-            if (getClass() != obj.getClass()) {
-                return false;
-            }
-            SwitchPort other = (SwitchPort) obj;
-            if (dpid == null) {
-                if (other.dpid != null) {
-                    return false;
-                }
-            } else if (!dpid.equals(other.dpid)) {
-                return false;
-            }
-            if (number == null) {
-                if (other.number != null) {
-                    return false;
-                }
-            } else if (!number.equals(other.number)) {
-                return false;
-            }
-            return true;
-        }
-    }
-
     protected final SwitchPort id;
     // TODO Add Hardware Address
     // TODO Add Description
@@ -102,18 +23,22 @@
      * Default constructor for Serializer to use.
      */
     @Deprecated
-    public PortEvent() {
+    protected PortEvent() {
         id = null;
     }
 
-    public PortEvent(Long dpid, Long number) {
-        this.id = new SwitchPort(dpid, number);
+    public PortEvent(SwitchPort switchPort) {
+        this.id = switchPort;
     }
 
     public PortEvent(Dpid dpid, PortNumber number) {
         this.id = new SwitchPort(dpid, number);
     }
 
+    public PortEvent(Long dpid, Long number) {
+        this.id = new SwitchPort(dpid, number);
+    }
+
     public Dpid getDpid() {
         return id.getDpid();
     }
@@ -143,7 +68,7 @@
 
     @Override
     public String toString() {
-        return "[PortEvent 0x" + Long.toHexString(id.dpid) + "@" + id.number + "]";
+        return "[PortEvent 0x" + getDpid() + "@" + getNumber() + "]";
     }
 
     public static final int PORTID_BYTES = SwitchEvent.SWITCHID_BYTES + 2 + 8;
@@ -166,10 +91,11 @@
     }
 
     public byte[] getID() {
-        return getPortID(getDpid(), getNumber()).array();
+        return getIDasByteBuffer().array();
     }
 
     public ByteBuffer getIDasByteBuffer() {
         return getPortID(getDpid(), getNumber());
     }
+
 }
diff --git a/src/main/java/net/onrc/onos/core/topology/TopologyDatastore.java b/src/main/java/net/onrc/onos/core/topology/TopologyDatastore.java
index 5067666..171e87f 100644
--- a/src/main/java/net/onrc/onos/core/topology/TopologyDatastore.java
+++ b/src/main/java/net/onrc/onos/core/topology/TopologyDatastore.java
@@ -13,7 +13,7 @@
 import net.onrc.onos.core.datastore.topology.KVSwitch;
 import net.onrc.onos.core.datastore.utils.KVObject;
 import net.onrc.onos.core.datastore.utils.KVObject.WriteOp;
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
+import net.onrc.onos.core.util.SwitchPort;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/src/main/java/net/onrc/onos/core/topology/TopologyManager.java b/src/main/java/net/onrc/onos/core/topology/TopologyManager.java
index b800d84..190500f 100644
--- a/src/main/java/net/onrc/onos/core/topology/TopologyManager.java
+++ b/src/main/java/net/onrc/onos/core/topology/TopologyManager.java
@@ -24,9 +24,10 @@
 import net.onrc.onos.core.datastore.topology.KVPort;
 import net.onrc.onos.core.datastore.topology.KVSwitch;
 import net.onrc.onos.core.registry.IControllerRegistryService;
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
 import net.onrc.onos.core.util.Dpid;
 import net.onrc.onos.core.util.EventEntry;
+import net.onrc.onos.core.util.SwitchPort;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
diff --git a/src/main/java/net/onrc/onos/core/topology/TopologyPublisher.java b/src/main/java/net/onrc/onos/core/topology/TopologyPublisher.java
index 1c251c5..fbd409f 100644
--- a/src/main/java/net/onrc/onos/core/topology/TopologyPublisher.java
+++ b/src/main/java/net/onrc/onos/core/topology/TopologyPublisher.java
@@ -23,8 +23,8 @@
 import net.onrc.onos.core.registry.IControllerRegistryService;
 import net.onrc.onos.core.registry.IControllerRegistryService.ControlChangeCallback;
 import net.onrc.onos.core.registry.RegistryException;
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
 import net.onrc.onos.core.util.Dpid;
+import net.onrc.onos.core.util.SwitchPort;
 
 import org.openflow.protocol.OFPhysicalPort;
 import org.openflow.util.HexString;
diff --git a/src/main/java/net/onrc/onos/core/util/SwitchPort.java b/src/main/java/net/onrc/onos/core/util/SwitchPort.java
index b3ed985..c2079a0 100644
--- a/src/main/java/net/onrc/onos/core/util/SwitchPort.java
+++ b/src/main/java/net/onrc/onos/core/util/SwitchPort.java
@@ -1,19 +1,22 @@
 package net.onrc.onos.core.util;
 
-import org.codehaus.jackson.annotate.JsonProperty;
+import net.onrc.onos.core.util.serializers.SwitchPortSerializer;
+
+import org.codehaus.jackson.map.annotate.JsonSerialize;
 
 /**
  * The class representing a Switch-Port.
  * This class is immutable.
  */
+@JsonSerialize(using = SwitchPortSerializer.class)
 public final class SwitchPort {
     private final Dpid dpid;        // The DPID of the switch
     private final PortNumber port;        // The port of the switch
 
     /**
-     * Default constructor.
+     * Default constructor for Serializer to use.
      */
-    public SwitchPort() {
+    protected SwitchPort() {
         this.dpid = null;
         this.port = null;
     }
@@ -41,26 +44,53 @@
     }
 
     /**
+     * Constructor for the specified primitive values of a DPID and port.
+     *
+     * @param dpid the DPID to use
+     * @param port the port number to use
+     */
+    public SwitchPort(Long dpid, Long port) {
+        this.dpid = new Dpid(dpid);
+        this.port = new PortNumber(port.shortValue());
+    }
+
+    /**
      * Get the DPID value of the Switch-Port.
      *
      * @return the DPID value of the Switch-Port.
      */
-    @JsonProperty("dpid")
     public Dpid dpid() {
         return dpid;
     }
 
     /**
+     * Get the DPID value of the Switch-Port.
+     *
+     * @return the DPID value of the Switch-Port.
+     */
+    public Dpid getDpid() {
+        return dpid;
+    }
+
+    /**
      * Get the port value of the Switch-Port.
      *
      * @return the port value of the Switch-Port.
      */
-    @JsonProperty("port")
     public PortNumber port() {
         return port;
     }
 
     /**
+     * Get the port value of the Switch-Port.
+     *
+     * @return the port value of the Switch-Port.
+     */
+    public PortNumber getNumber() {
+        return port;
+    }
+
+    /**
      * Convert the Switch-Port value to a string.
      * <p/>
      * The string has the following form:
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
index aeb0c33..dc15810 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
@@ -51,6 +51,7 @@
 import net.onrc.onos.core.util.IPv6Net;
 import net.onrc.onos.core.util.PortNumber;
 import net.onrc.onos.core.util.Switch;
+import net.onrc.onos.core.util.SwitchPort;
 
 import com.esotericsoftware.kryo.Kryo;
 
@@ -184,14 +185,13 @@
         kryo.register(MACAddress.class);
         kryo.register(PortNumber.class);
         kryo.register(Switch.class);
-        // kryo.register(SwitchPort.class);
+        kryo.register(SwitchPort.class);
 
         // New data model-related classes
         kryo.register(DeviceEvent.class);
         kryo.register(LinkedList.class);
         kryo.register(LinkEvent.class);
         kryo.register(PortEvent.class);
-        kryo.register(PortEvent.SwitchPort.class);
         kryo.register(SwitchEvent.class);
         kryo.register(TopologyEvent.class);
 
diff --git a/src/main/java/net/onrc/onos/core/topology/web/serializers/SwitchPortSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/SwitchPortSerializer.java
similarity index 91%
rename from src/main/java/net/onrc/onos/core/topology/web/serializers/SwitchPortSerializer.java
rename to src/main/java/net/onrc/onos/core/util/serializers/SwitchPortSerializer.java
index 13c5d56..4ec491b 100644
--- a/src/main/java/net/onrc/onos/core/topology/web/serializers/SwitchPortSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/SwitchPortSerializer.java
@@ -1,6 +1,7 @@
-package net.onrc.onos.core.topology.web.serializers;
+package net.onrc.onos.core.util.serializers;
 
-import net.onrc.onos.core.topology.PortEvent.SwitchPort;
+import net.onrc.onos.core.util.SwitchPort;
+
 import org.codehaus.jackson.JsonGenerator;
 import org.codehaus.jackson.map.SerializerProvider;
 import org.codehaus.jackson.map.ser.std.SerializerBase;