diff --git a/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java b/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java
new file mode 100644
index 0000000..eb363a7
--- /dev/null
+++ b/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java
@@ -0,0 +1,113 @@
+package net.floodlightcontroller.core;
+
+import org.codehaus.jackson.annotate.JsonIgnore;
+import org.codehaus.jackson.annotate.JsonProperty;
+
+import com.tinkerpop.blueprints.Direction;
+import com.tinkerpop.frames.Adjacency;
+import com.tinkerpop.frames.Incidence;
+import com.tinkerpop.frames.Property;
+import com.tinkerpop.frames.annotations.gremlin.GremlinGroovy;
+import com.tinkerpop.frames.VertexFrame;
+
+public interface INetMapTopologyObjects {
+	
+public interface IBaseObject extends VertexFrame {
+	
+	@JsonProperty("state")
+	@Property("state")
+	public String getState();
+	@Property("state")
+	public void setState(final String state);
+	
+	@JsonIgnore
+	@Property("type")
+	public String getType();
+	@Property("type")
+	public void setType(final String type);
+	
+}
+	
+public interface ISwitchObject extends IBaseObject{
+		
+		@JsonProperty("dpid")
+		@Property("dpid")
+		public String getDPID();
+		
+		@Property("dpid")
+		public void setDPID(String dpid);
+				
+		@JsonProperty("ports")
+		@Adjacency(label="on")
+		public Iterable<IPortObject> getPorts();
+		
+		@Adjacency(label="on")
+		public void addPort(final IPortObject port);
+		
+		@Adjacency(label="on")
+		public void removePort(final IPortObject port);
+		
+		@JsonIgnore
+		@GremlinGroovy("_().out('on').out('host')")
+		public Iterable<IDeviceObject> getDevices();
+	}
+	
+	public interface IPortObject extends IBaseObject{
+				
+		@JsonProperty("number")
+		@Property("number")
+		public Short getNumber();
+		
+		@JsonProperty("desc")
+		@Property("desc")
+		public String getDesc();
+		
+		@JsonIgnore
+		@Incidence(label="on",direction = Direction.IN)
+		public ISwitchObject getSwitch();
+		
+		@JsonIgnore
+		@Adjacency(label="host")
+		public Iterable<IDeviceObject> getDevices();
+		
+		@Adjacency(label="host")
+		public void setDevice(final IDeviceObject device);
+		
+		@Adjacency(label="host")
+		public void removeDevice(final IDeviceObject device);
+		
+//		@JsonIgnore
+//		@Adjacency(label="link")
+//		public Iterable<ILinkObject> getLinks();
+	}
+	
+	public interface IDeviceObject extends IBaseObject {
+		
+		@JsonProperty("mac")
+		@Property("dl_addr")
+		public String getMACAddress();
+		@Property("dl_addr")
+		public void setMACAddress();
+		
+		@JsonProperty("ipv4")
+		@Property("nw_addr")
+		public String getIPAddress();
+		@Property("dl_addr")
+		public void setIPAddress();
+		
+		@JsonIgnore
+		@Incidence(label="host",direction = Direction.IN)
+		public IPortObject getPort();
+		
+		@JsonIgnore
+		@GremlinGroovy("_().in('host').in('on')")
+		public ISwitchObject getSwitch();
+				
+		public interface AttachmentPoint {
+			@GremlinGroovy("_().in('host').in('on').dpid")
+			public String getDPID();
+			@GremlinGroovy("_().in('host').number")
+			public Short getPortNumber();
+		}
+	}
+}