NDLI: Accelerated virtual switching with programmable NICs for scalable data center networking

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Accelerated virtual switching with programmable NICs for scalable data center networking

Content Provider	ACM Digital Library
Author	Luo, Yan Ficarra, Timothy L. Murray, Eric
Abstract	Recently virtual switches in data center hosts have been employed to interconnect virtual machines (VMs) within data center networks. Such a virtual network layer, however, faces performance challenges when the number of VMs and the line rates scale up. Motivated by the performance and programmability of intelligent network interface cards (NICs), we propose to offload the virtual switching onto such programmable NICs (PNICs) to achieve scalable VM networking. We describe the design and advantages of a novel PNIC-oriented data center network architecture. We then present a prototype of a PNIC based virtual switch that supports virtual NICs, OpenFlow switching, clock synchronization and flow monitoring. We finally introduce an efficient packet buffering mechanism enabled by such PNICs and OpenFlow-capable top-of-rack switches for reducing the congestion on network fabric.
Starting Page	65
Ending Page	72
Page Count	8
File Format	PDF
ISBN	9781450301992
DOI	10.1145/1851399.1851411
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-09-03
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Data centers Virtual switch Packet buffering Programmable network interface card
Content Type	Text
Resource Type	Article

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