Shrinking MTU to Mitigate TCP Incast Throughput Collapse in Data Center Networks

Authors:
Peng Zhang;Hongbo Wang;Shiduan Cheng
Affiliations:
-;-;-
Venue:
CMC '11 Proceedings of the 2011 Third International Conference on Communications and Mobile Computing
Year:
2011

Citing 0
Cited 2

Preventing TCP incast throughput collapse at the initiation, continuation, and termination

Proceedings of the 2012 IEEE 20th International Workshop on Quality of Service
IDTCP: An effective approach to mitigating the TCP incast problem in data center networks

Information Systems Frontiers

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Abstract

More and more data centers are built using commodity TCP/IP and Ethernet networks because of their low cost and ease-of-use. But TCP would experience catastrophic throughput collapse in a communication pattern, termed "Incast", where multiple senders simultaneously send data to a receiver. This phenomenon potentially arises in many typical applications, such as distributed storage, Map Reduce and web search. However, solutions proposed by former research either are not easy to implement or high in cost. In this paper, we present a simple and cost-effective method -- shrinking MTU -- to mitigate TCP In cast throughput collapse. Through analysis and extensive simulations, decreasing MTU size can delay the onset of In cast.