FCell: Towards the tradeoffs in designing data center network architectures

Dawei Li, Jie Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

We propose a novel Data Center Network (DCN) architecture, named FCell, which is a tradeoff design in three aspects. First, FCell reflects a tradeoff between DCN power consumption and network performances, which mainly include end-to-end delays and bisection bandwidth. We propose a unified path length definition to characterize end-to-end delays in general DCNs. Comparisons with existing DCN architectures reveal that FCell consumes a moderate amount of power, and achieves generally low end-to-end delays and a satisfiable bisection bandwidth. Second, FCell reflects a tradeoff between switch-centric and server-centric designs. Two basic routing schemes are proposed to show that FCell can place routing intelligence on both servers and switches; thus, FCell can be regarded as a dual-centric architecture, which enjoys both the fast switching capability of switches and the high programmability of servers. Third, FCell reflects a tradeoff between scalability and flexibility. Scalability of FCell comes from its regularity; FCell also supports flexible growth of network size with minimal modifications on its original architecture. Through simulations, we evaluate the performances of the two routing schemes in different traffic conditions in FCell, and verify that our unified path length definition is a useful metric to characterize end-to-end delays in general DCNs.

Original languageEnglish
Title of host publication24th International Conference on Computer Communications and Networks, ICCCN 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479999644
DOIs
StatePublished - 2 Oct 2015
Event24th International Conference on Computer Communications and Networks, ICCCN 2015 - Las Vegas, United States
Duration: 3 Aug 20156 Aug 2015

Publication series

NameProceedings - International Conference on Computer Communications and Networks, ICCCN
Volume2015-October
ISSN (Print)1095-2055

Other

Other24th International Conference on Computer Communications and Networks, ICCCN 2015
CountryUnited States
CityLas Vegas
Period3/08/156/08/15

Keywords

  • Bisection bandwidth
  • Data center network (DCN)
  • Dual-centric design
  • End-to-end delay
  • Power consumption

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    Li, D., & Wu, J. (2015). FCell: Towards the tradeoffs in designing data center network architectures. In 24th International Conference on Computer Communications and Networks, ICCCN 2015 [7288412] (Proceedings - International Conference on Computer Communications and Networks, ICCCN; Vol. 2015-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICCCN.2015.7288412