Traffic engineering with traditional IP routing protocols

被引:207
作者
Fortz, B [1 ]
Rexford, J
Thorup, M
机构
[1] Catholic Univ Louvain, Inst Adm & Gest, B-3000 Louvain, Belgium
[2] AT&T Labs Res, Florham Pk, NJ 07932 USA
关键词
Adaptive filtering - Data communication systems - Gateways (computer networks) - Internet - Network protocols - Open systems - Optimal systems - User interfaces;
D O I
10.1109/MCOM.2002.1039866
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Traffic engineering involves adapting the routing of traffic to network conditions, with the joint goals of good user performance and efficient use of network resources. In this article we describe an approach to intradomain traffic engineering that works within the existing deployed base of interior gateway protocols, such as Open Shortest Path First and Intermediate System-Intermediate System. We explain how to adapt the configuration of link weights, based on a networkwide view of the traffic and topology within a domain. In addition, we summarize the results of several studies of techniques for optimizing OSPF/IS-IS weights to the prevailing traffic. The article argues that traditional shortest path routing protocols are surprisingly effective for engineering the flow of traffic in large IP networks.
引用
收藏
页码:118 / 124
页数:7
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