NDLI: Hierarchical QoS routing in delay-bandwidth sensitive networks

Content Provider	IEEE Xplore Digital Library
Author	King-Shan Lui Nahrstedt, K. Shigang Chen
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. Sci., Illinois Univ., Urbana, IL, USA (King-Shan Lui)
Abstract	Large networks are often structured hierarchically by grouping nodes into different domains in order to deal with the scaling problem. In such networks, it is infeasible to maintain the detailed network information at every router. Therefore, the topology information of the domains are summarized before being broadcast. This process is called topology aggregation. Hierarchical routing protocols are then used to find a route among the domains. We study several basic problems associated with hierarchical QoS routing, including (1) how to make QoS-aware topology aggregation, (2) how to represent the aggregated network state, and (3) how to find an end-to-end route based on aggregated information. The novelty in this research is our new network QoS representation which is line segments on the delay-bandwidth plane. We also present a distributed routing mechanism that works with our representation. Our theoretical and simulation results show that the protocol achieves scalability and improved routing performance.
Starting Page	579
Ending Page	588
File Size	999730
Page Count	10
File Format	PDF
ISBN	0769509126
ISSN	07421303
DOI	10.1109/LCN.2000.891103
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-11-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Intelligent networks Network topology Routing protocols Computer science Broadcasting Scalability Contracts Telecommunication traffic Web and internet services Computer network management
Content Type	Text
Resource Type	Article

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