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Enhancing TCP Throughput over Lossy Links Using ECN-capable RED Gateways

Summary: Enhancing TCP Throughput over Lossy Links
Using ECN-capable RED Gateways
Haowei Bai
AES Technology Centers of Excellence
Honeywell Aerospace
3660 Technology Drive, Minneapolis, MN 55418
E-mail: haowei.bai@honeywell.com
Mohammed Atiquzzaman
School of Computer Science
University of Oklahoma, Norman, OK 73019-6151
E-mail: atiq@ou.edu
Abstract-- Explicit Congestion Notification (ECN), when used
with Random Early Detection (RED) gateways, reduces packet
losses and delays of Transport Control Protocol (TCP) based
applications. However, choosing the buffer size and optimum
parameter values of RED buffers are still open research issues. In
this paper, we first present a model to determine the optimal value
of RED's maximum threshold to achieve zero packet loss at RED
gateways. Secondly, as an application of our model, we propose
a new TCP algorithm, called Differentiation Capable TCP (Diff-


Source: Atiquzzaman, Mohammed - School of Computer Science, University of Oklahoma


Collections: Computer Technologies and Information Sciences