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Controlling End-to-End TCP Flow Using ABR Rate Information
Arata KOIKE
Publication
IEICE TRANSACTIONS on Communications
Vol.E84-B
No.8
pp.2105-2114 Publication Date: 2001/08/01 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: Special Section PAPER (Special Issue on Internet Technology) Category: Flow and Congestion Control Keyword: interworking, ABR, TCP, acknowledgement, edge-router,
Full Text: PDF>>
Summary:
Using Available Bit Rate (ABR) service of Asynchronous Transfer Mode (ATM) at a backbone link will provide a lossless network. It, however, causes congestion at an edge-router and is reported to show poor end-to-end TCP performance. We consider how to improve the performance of TCP over a backbone ABR network. By using ABR feedback information (ACR) at edge-routers, we can adjust intervals of TCP Acknowledgement packets. This adjustment couples the ABR rate-based control loop and the TCP window-based control loop. Based on this scheme, we can achieve a good end-to-end TCP performance as well as good ATM layer performance over backbone ABR. This paper describes comprehensive study on the proposed mechanism.
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