Abstract
This paper deals with the TCP bandwidth guarantee problem in a Differentiated Services (Diffserv) network. Several researches proposed a RIO mechanism for the assured service. In RIO, IN packets experience lower drop probability than OUT packets to guarantee the promised bandwidth even under network congestion. However a token bucket marker fails to provide adequate performance to TCP connections because TCP generates bursty packets due to the unique TCP congestion control mechanism. We propose a new marker that uses a data buffer as well as a token buffer. The marker with a data buffer works well with RIO because it smooths TCP traffic. We show that the marker with a data buffer achieves the target throughput better than a marker with a token buffer only. We also show that the optimal data buffer size is proportional to reserved throughput and RTT.
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© 2001 Springer-Verlag Berlin Heidelberg
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Choi, S., Kim, C. (2001). TCP Throughput Guarantee Using Packet Buffering. In: Networking — ICN 2001. ICN 2001. Lecture Notes in Computer Science, vol 2094. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-47734-9_7
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DOI: https://doi.org/10.1007/3-540-47734-9_7
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-42303-4
Online ISBN: 978-3-540-47734-1
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