diff --git a/models/physical/dataswitch.go b/models/physical/dataswitch.go
new file mode 100644
index 0000000..9146e7f
--- /dev/null
+++ b/models/physical/dataswitch.go
@@ -0,0 +1,30 @@
+/*
+   Copyright 2017 the original author or authors.
+
+   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 physical
+
+import "net"
+
+type DataSwitch struct {
+	Ports        [32]EthPort
+	Driver       string
+	Ipv4Loopback net.TCPAddr
+	Ipv4NodeSid  int
+	isEdgeRouter bool
+	Name         string
+	OfId         string
+	RouterMac    string
+}