1. Flow labelled IP: a connectionless approach to ATM. Proceedings IEEE Infocom'96, San Francisco, CA, March 1996; 1251-1260.
2. Cisco systems' tag switching architecture overview. IETF RFC 2105, February 1997.
3. Multiprotocol label switching architecture. IETF RFC 3031, January 2001.
4. Requirements for IP version 4 Routers. IETF RFC 1812, June 1995.
5. TCP/IP Illustrated, vol. 1: The Protocols. Addison-Wesley: Reading, MA, 1994.