Explicit allocation of best-effort packet delivery service

This paper presents the "allocated-capacity" framework for providing different levels of best-effort service in times of network congestion. The "allocated-capacity" framework-extensions to the Internet protocols and algorithms-can allocate bandwidth to different users in a contr...

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Bibliographic Details
Published in:IEEE/ACM transactions on networking 1998-08, Vol.6 (4), p.362-373
Main Authors: Clark, D.D., Wenjia Fang
Format: Article
Language:English
Subjects:
Bandwidth
Channel allocation
Communication system traffic control
IP networks
Protocols
Quality of service
Resource management
Tagging
Traffic control
Web and internet services
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Summary:This paper presents the "allocated-capacity" framework for providing different levels of best-effort service in times of network congestion. The "allocated-capacity" framework-extensions to the Internet protocols and algorithms-can allocate bandwidth to different users in a controlled and predictable way during network congestion. The framework supports two complementary ways of controlling the bandwidth allocation: sender-based and receiver-based. In today's heterogeneous and commercial Internet the framework can serve as a basis for charging for usage and for more efficiently utilizing the network resources. We focus on algorithms for essential components of the framework: a differential dropping algorithm for network routers and a tagging algorithm for profile meters at the edge of the network for bulk-data transfers. We present simulation results to illustrate the effectiveness of the combined algorithms in controlling transmission control protocol (TCP) traffic to achieve certain targeted sending rates.
ISSN:1063-6692
1558-2566
DOI:10.1109/90.720870