1. , , , , . An architecture for differentiated services. RFC 2475, December 1998.
2. , , . Definition of the differentiated services field (DS field) in the IPv4 and IPv6 headers. RFC 2474, December 1998.
3. , , . Assured Forwarding PHB Group. RFC 2597, June 1999.
4. Random early detection gateways for congestion avoidance
5. Explicit allocation of best-effort packet delivery service