1. User datagram protocol, Request for comment: RFC-768,1980
2. Internet protocol, Request for comment: RFC-791,1981
3. Transmission control protocol, Request for comment: RFC-793,1981
4. User-process communication performance in networks of computers;Cabrera;IEEE/ACM Trans. Software Eng.,1988
5. The synchronization of periodic routing messages;Floyd;IEEE/ACM Trans. Networking,1994