Keynote Abstracts

نویسندگان

  • Amin Vahdat
  • Thomas E. Anderson
  • D. Yen
  • George Papen
  • Tom Edsall
چکیده

We present the design, implementation, and evaluation of B4, a private WAN connecting Google’s data centers across the planet. B4 has a number of unique characteristics: i) massive bandwidth requirements deployed to a modest number of sites, ii) elastic traffic demand that seeks to maximize average bandwidth, and iii) full control over the edge servers and network, which enables rate limiting and demand measurement at the edge. These characteristics led to a Sofware De ned Networking architecture using OpenFlow to control relatively simple switches built from merchant silicon. B4’s centralized traffic engineering service drives links to near 100% utilization, while splitting application flows among multiple paths to balance capacity against application priority/demands. We describe experience with three years of B4 production deployment as well as implications of both SDN and WAN deployments on merchant switch silicon. Bio Amin Vahdat is a Distinguished Engineer at Google where he is the Technical Lead for networking and working on projects in Software Defined Networking and network virtualization. Vahdat’s work focuses broadly on computer systems, including distributed systems, networks, and operating systems. He has worked on a range of projects including energy efficiency in data centers, high performance system virtualization, data consistency models for wide-area replication, and data center network architecture. He received a PhD in Computer Science from UC Berkeley and has served on the faculty at Duke University and UC San Diego. Vahdat is an ACM Fellow and a past recipient of the NSF CAREER award and the Alfred P. Sloan Fellowship.

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تاریخ انتشار 2013