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On the efficacy of fine-grained traffic splitting protocols in data center networks

Authors:

Advait Abhay Dixit,

Pawan Prakash,

Ramana Rao Kompella,

Charlie HuAuthors Info & Claims

SIGMETRICS '12: Proceedings of the 12th ACM SIGMETRICS/PERFORMANCE joint international conference on Measurement and Modeling of Computer Systems

Pages 411 - 412

https://doi.org/10.1145/2254756.2254818

Published: 11 June 2012 Publication History

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Abstract

Current multipath routing techniques split traffic at a per-flow level because, according to conventional wisdom, forwarding packets of a TCP flow along different paths leads to packet reordering which is detrimental to TCP. In this paper, we revisit this "myth" in the context of cloud data center networks which have regular topologies such as multi-rooted trees. We argue that due to the symmetry in the multiple equal-cost paths in such networks, simply spraying packets of a given flow among all equal-cost paths, leads to balanced queues across multiple paths, and consequently little packet reordering. Using a testbed comprising of NetFPGA switches, we show how cloud applications benefit from better network utilization in data centers.

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Costin Raiciu, Christopher Pluntke, et al., "Data Centre Networking with Multipath TCP," In HotNets-IX, 2010.

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Index Terms

On the efficacy of fine-grained traffic splitting protocols in data center networks
1. Networks
  1. Network protocols

Recommendations

On the efficacy of fine-grained traffic splitting protocolsin data center networks
SIGCOMM '11

Multi-rooted tree topologies are commonly used to construct high-bandwidth data center network fabrics. In these networks, switches typically rely on equal-cost multipath (ECMP) routing techniques to split traffic across multiple paths, such that ...
On the efficacy of fine-grained traffic splitting protocols in data center networks
Performance evaluation review

Current multipath routing techniques split traffic at a per-flow level because, according to conventional wisdom, forwarding packets of a TCP flow along different paths leads to packet reordering which is detrimental to TCP. In this paper, we revisit ...
On the efficacy of fine-grained traffic splitting protocolsin data center networks
SIGCOMM '11: Proceedings of the ACM SIGCOMM 2011 conference

Multi-rooted tree topologies are commonly used to construct high-bandwidth data center network fabrics. In these networks, switches typically rely on equal-cost multipath (ECMP) routing techniques to split traffic across multiple paths, such that ...

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Published In

SIGMETRICS '12: Proceedings of the 12th ACM SIGMETRICS/PERFORMANCE joint international conference on Measurement and Modeling of Computer Systems

June 2012

450 pages

ISBN:9781450310970

DOI:10.1145/2254756

General Chair:
Peter Harrison
Imperial College London, United Kingdom
,
Program Chairs:
Martin Arlitt
HP Labs, USA and University of Calgary, Canada
,
Giuliano Casale
Imperial College London, United Kingdom

ACM SIGMETRICS Performance Evaluation Review Volume 40, Issue 1
Performance evaluation review
June 2012
433 pages
ISSN:0163-5999
DOI:10.1145/2318857
Issue’s Table of Contents

Publisher

Association for Computing Machinery

New York, NY, United States

Publication History

Published: 11 June 2012

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SIGMETRICS '12

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SIGMETRICS
IFIP

SIGMETRICS '12: ACM SIGMETRICS/PERFORMANCE Joint International Conference on Measurement and Modeling of Computer Systems

June 11 - 15, 2012

London, England, UK

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Overall Acceptance Rate 459 of 2,691 submissions, 17%

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On the efficacy of fine-grained traffic splitting protocolsin data center networks

On the efficacy of fine-grained traffic splitting protocols in data center networks

On the efficacy of fine-grained traffic splitting protocolsin data center networks