Optimization of MPLS Traffic Engineering Architecture
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摘要: 对支持流量工程的各种显式路由算法进行了比较,提出了在线分布实施MPLS(Multi-Protocol Label Switch)流量工程的优化体系结构.通过引入扩展LSA(Link State Advertisement)发布机制,采用分布和集中相结合的方式,使最小干涉路由算法的性能得到优化,同时提高了系统的可扩展性.Abstract: Several explicit routing algorithms for Internet traffic engineering were analyzed and compared, in order to put forward the architecture for distributed and on-line implements of MPLS Traffic Engineering. To improve the scalability of MPLS Traffic Engineering through optimizations of the performance of minimal interference routing algorithm, new link state advertisement mechanism was introduced, together with the combination of centralized and distributed computing methods. It was shown that not only the computation efficiency of the minimal interference routing algorithm, but also the scalability of the MPLS traffic engineering system were obviously enhanced through the treatments.
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[1] Wduche D. RFC 2702 IETF, Requirements for traffic engineering over MPLS[S], 1999 [2] Rosen E,Viswanathan A, Callon R. RFC 3031 IETF, Multiprotocol label switching architecture[S],2001 [3] Yufei Wang, Zhang Wang. Explicit routing algorithms for Internet traffic engineering .In:Eighth International Conference, Computer Communications and Networks ,1999.582~588 [4] Murali Kodialam, Lakshman T V. Minimum interference routing with applications to MPLS traffic engineering .In:IEEE INFOCOM 2000 ,2000.884~893 [5] Alpar Juttner. On-demand optimization of label switched paths in MPLS networks .In:Ninth International Conference, Computer Communications and Networks , 2000.107~113 [6] Bazaraa M S,Jarvis J J, Sherali H D. Linear programming and network flows [M].2nd ed. New York:John Wiley&Sons, 1990.106~167 -
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