An Application-based Forwarding Model of MPLS ATM Switching System for Differential Services 


Vol. 27,  No. 3, pp. 201-210, Mar.  2002


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  Abstract

A number of MPLS ATM switching system have been proposed to increase the access speed of current routers, but they cannot satisfy the Internet userswho use diverse applications. So they are required to support the so-called differential service, which discriminates service behaviors according to the service class. In this paper, to support this differential service we suggest an LSP control method, which uses the extended LDP message and establishes several different LSPs for each FEC according to the service class. Also, we propose an marking algorithm using the cell loss priority field of ATM cells in order to process the differential service according to application categories. In addition, we present a forwarding procedure based on the LSP control method and the marking algorithm. A forwarding model applied this forwarding procedure can be easily implemented with a minimum modification of existing MPLS ATM switching systems. Therefore, we can save cost and time needed to implement the proposed model. Finally, we estimate the performance behaviors of the proposed application-based forwarding model by the AweSim simulation package.

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  Cite this article

[IEEE Style]

E. Kim and Y. Cho, "An Application-based Forwarding Model of MPLS ATM Switching System for Differential Services," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 3, pp. 201-210, 2002. DOI: .

[ACM Style]

Eung-Ha Kim and Young-Jong Cho. 2002. An Application-based Forwarding Model of MPLS ATM Switching System for Differential Services. The Journal of Korean Institute of Communications and Information Sciences, 27, 3, (2002), 201-210. DOI: .

[KICS Style]

Eung-Ha Kim and Young-Jong Cho, "An Application-based Forwarding Model of MPLS ATM Switching System for Differential Services," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 3, pp. 201-210, 3. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880