Quality of service policy control in virtual private networks

Yiqing Yu; Hongbin Wang; Zhi Zhou; Dongru Zhou

doi:10.1117/12.523883

15 April 2004 Quality of service policy control in virtual private networks

Yiqing Yu, Hongbin Wang, Zhi Zhou, Dongru Zhou

Proceedings Volume 5282, Network Architectures, Management, and Applications; (2004) https://doi.org/10.1117/12.523883
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

This paper studies the QoS of VPN in an environment where the public network prices connection-oriented services based on source, destination and grade of service, and advertises these prices to its VPN customers (users). As different QoS technologies can produce different QoS, there are according different traffic classification rules and priority rules. The internet service provider (ISP) may need to build complex mechanisms separately for each node. In order to reduce the burden of network configuration, we need to design policy control technologies. We considers mainly directory server, policy server, policy manager and policy enforcers. Policy decision point (PDP) decide its control according to policy rules. In network, policy enforce point (PEP) decide its network controlled unit. For InterServ and DiffServ, we will adopt different policy control methods as following: (1) In InterServ, traffic uses resource reservation protocol (RSVP) to guarantee the network resource. (2) In DiffServ, policy server controls the DiffServ code points and per hop behavior (PHB), its PDP distributes information to each network node. Policy server will function as following: information searching; decision mechanism; decision delivering; auto-configuration. In order to prove the effectiveness of QoS policy control, we make the corrective simulation.

Citation Download Citation

Yiqing Yu, Hongbin Wang, Zhi Zhou, and Dongru Zhou "Quality of service policy control in virtual private networks", Proc. SPIE 5282, Network Architectures, Management, and Applications, (15 April 2004); https://doi.org/10.1117/12.523883

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