updating README

Author: ravisraju

README.md

@@ -1,2 +1,11 @@
 network_protocols
 =================
+
+
+This folder contains Native C implementation of network protocols from the various levels of the OSI stack.
+These were done as a part of a coursework. 
+
+Folder Substructure - 
+SBCP, TFTP and ProxyHTTP are protocol implementations of a broadcast chat, trivial ftp and HTTP Proxy respectively.
+ftp_over_tcp and queue_management are implementation of networking scenarios using higher level language (NS2)
+README's for each segment of the code are in the respective folders.