2Ahuja R K, Magnanti T L, Orlin J B. Network Flows: Theory, Algorithms and Applications. Englewood Cliffs, NJ: Prentice Hall, 1993
3Apostolopoulos G. QoS Routing Mechanism and OSPF Extensions.RFC 2676, http://www. ietf.org/rfc/rfc2676.txt, 1999-08
4Chen Shigang. Routing Support for Providing Guaranteed End-to-End Quality-of-Service[Ph.D. Thesis]. UIUC, http://cairo.cs.uiuc.edu/papers/SCthesis.ps, 1999-05
5Lee W C, Hluchyj M G, Humblet P A. Routing Subject to Quality of Service Constrains in Integrated Communication Networks. IEEE Networks, 1995-07/08:46-55