Implemented 2 way communication using reader and writer threads in 2 application !
1st system)Gives open call to server application i.e driver application
2nd system) Server app recieves open call and opens the node
3rd system) Executes read and write thread , and writes the data via node to driver and is recived by system 4 and vice versa.
4th system )Executes read and write thread , and writes the data which is recived by system 3 and vice versa.
