Merge pull request #1 from TakeshiTseng/master

Update README.md

README.md

@@ -1,2 +1,34 @@
-# awesome-sdn
-A awesome list about Software Defined Network (SDN) ,
+# Awesome SDN [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)
+
+A awesome list about Software Defined Network (SDN) 
+
+- [Awesome SDN](#awesome-sdn)
+  - [Protocol](#protocol)
+  - [Controller](#controller)
+  - [Simulator/Emulator](#Simulator/Emulator)
+  - [Language](#language)
+
+
+
+# Protocol
+
+- [OpenFlow](https://www.opennetworking.org/sdn-resources/openflow) - a communications protocol that gives access to the forwarding plane of a network switch or router over the network.
+- [OF-Config](https://www.opennetworking.org/technical-communities/areas/specification/1928-of-config) - OpenFlow Management and Configuration Protocol
+
+# Controller
+
+- [NOX](www.noxrepo.org)
+- [NodeFlow](https://github.com/gaberger/NodeFLow)
+- [ONOS](onosproject.org)
+- [OpenDaylight](https://www.opendaylight.org)
+- [POX](www.noxrepo.org/pox)
+- [Ryu](https://osrg.github.io/ryu)
+
+# Simulator/Emulator
+
+- [Mininet](http://mininet.org/)
+- [Epoch](http://northboundnetworks.com/epoch/)
+
+# Language
+
+- [P4](http://p4.org/)