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A Flow Control Scheme for the QoS Improvement of Multi-Service using IPv6 Hop-by-Hop Option Header  

이인화 ((주)CST)
김성조 (중앙대학교 공과대학 컴퓨터공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.2B, 2004 , pp. 250-262 More about this Journal
Abstract
In IPv6 environment, the Internet Telephony, VoD(Video on Demand) and high capacity file exchange service will be more increased than IPv4. Therefore, the strict guarantee of QoS based on End-to-End and differentiated quality control schemes are simultaneously required. This paper proposes the flow control schemes on IPv6 network that the traffic is identified by flow and the QoS of multi-service is improved by QoS information in IPv6 hop-by-hop option header. The object of flow control includes not only non-default QoS traffic, which uses the flow label, but also best-effort or encrypted traffic. Therefore, the guarantee of real-time service is strengthened and the flow, which abuses unnecessarily the network resources, is effectively controlled. Also, this paper proposes the mapping scheme between the flow and MPLS by reflecting the minimum change of the existed network resource and the status of backbone network of ISP(Internet Service Provider). In the simulation result, It is shown that the proposed scheme is effective in the side of QoS on real-time services and utilization of backbone resources.
Keywords
IPv6 Hop-by-Hop Option Header; Flow Control; Flow Label; P2P Control; QoS(Quality of Service);
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