Dr. Multicast: Rx for data center communication scalability

  • Authors:
  • Ymir Vigfusson;Hussam Abu-Libdeh;Mahesh Balakrishnan;Ken Birman;Yoav Tock

  • Affiliations:
  • Cornell University;Cornell University;Microsoft Research;Cornell University;IBM Haifa Research Lab

  • Venue:
  • LADIS '08 Proceedings of the 2nd Workshop on Large-Scale Distributed Systems and Middleware
  • Year:
  • 2008

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Abstract

Data centers avoid IP Multicast (IPMC) because of a series of problems with the technology. We introduce Dr. Multicast (MCMD), a system that maps IPMC operations to a combination of point-to-point unicast and traditional IPMC transmissions. MCMD optimizes the use of IPMC addresses within a data center, while simultaneously respecting an administrator-specified acceptable-use policy. We argue that with the resulting range of options, IPMC no longer represents a threat and can therefore be used much more widely.