AN OVERVIEW OF ROUTING OPTIMIZATION FOR INTERNET TRAFFIC ENGINEERING

被引：160
|
作者：
Wang, Ning [1 ,2 ]
Ho, Kin Hon
Pavlou, George [2 ,3 ]
Howarth, Michael
机构：
[1] Univ Surrey, Ctr Commun Syst Res, Dept Elect Engn, Guildford GU2 5XH, Surrey, England
[2] Univ Surrey, Ctr Commun Syst Res, Dept Elect Engn, Guildford GU2 5XH, Surrey, England
[3] UCL, Dept Comp Sci, London WC1E 6BT, England
来源：
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS | 2008年 / 10卷 / 01期
关键词：
D O I：
10.1109/COMST.2008.4483669
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Traffic engineering is an important mechanism for Internet network providers seeking to optimize network performance and traffic delivery. Routing optimization plays a key role in traffic engineering, finding efficient routes so as to achieve the desired network performance. In this survey we review Internet traffic engineering from the perspective of routing optimization. A taxonomy of routing algorithms in the literature is provided, dating from the advent of the TE concept in the late 1990s. We classify the algorithms into multiple dimensions: unicast/multicast, intra-/inter-domain, IP-/MPLS-based and offline/online TE schemes. In addition, we investigate some important traffic engineering issues, including robustness, TE interactions, and interoperability with overlay selfish routing. In addition to a review of existing solutions, we also point out some challenges in TE operation and important issues that are worthy of investigation in future research activities.
引用
收藏
页码：36 / 56
页数：21
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