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http://dx.doi.org/10.3745/KIPSTC.2002.9C.1.055

Design of a Forwarding Engine Supporting Application-based Differential Services in MPLS ATM System  

Kim, Eung-Ha (Electronics and Telecommunications Research Institute)
Jo, Yeong-Jong (Dept.of Information Computer Engineering, Ajou University)
Publication Information
The KIPS Transactions:PartC / v.9C, no.1, 2002 , pp. 55-64 More about this Journal
Abstract
A number of MPLS ATM systems have been proposed to increase the access speed of current rooters, which only support the beat-effort service. However, the MPLS ATM systems have to support the so-called differential service, which discriminates the applications according to the servile clads because they do not be satisfied the Internet users who use diverse applications. In this paper, to support this differential service a detailed forwarding procedure based on a LSP control method and an application-based marking algorithm is suggested. The LSP control method establishes several different LSPs for each FEC according to the service class and the application-based marking algorithm chooses a proper differential service depending on the application category. Also, a design scheme of forwarding engine, which can be easily implemented with a minimum modification of existing MPLS ATM systems is proposed. And, the best simulation result of high priority application category is gained when the proposed forwarding algorithm is compared with existing algorithms.
Keywords
Differential Service; forwarding Engine; Application Category; MPLS ATM;
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