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The dual flow control problem of TCP over ATM ABR services

✍ Scribed by Yuan-Cheng Lai; Ying-Dar Lin; Hsiu-Fen Hung

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
159 KB
Volume
12
Category
Article
ISSN
1074-5351

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✦ Synopsis

In this paper, we investigate the dual control problem*TCP #ow control at the TCP layer and ABR #ow control at the ATM layer. First, we observe that TCP #ow control and ABR #ow control cannot co-operate well. The worst case is that the slow start after packet loss causes high but unused ACR (Allowed Cell Rate) which raises the potential of cell loss and an under#owed switch queue which reduces ABR throughput. We suggest to implement a use-it-or-lose-it policy for ABR and fast recovery for TCP to avoid these phenomena.

πŸ“œ SIMILAR VOLUMES

Performance of TCP applications over ATM
Performance of TCP applications over ATM networks with ABR and UBR servicesβ€”a simulation analysis
✍ D.B. Hoang; Z. Wang πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 688 KB

This paper aims to present a comparative simulation study of the performance of TCP traffic over ATM networks with UBR and ABR services; to identify weaknesses of currently most promising ATM congestion control schemes; and to indicate the requirements for a fairer, simpler and more robust congestio