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VL2: A Scalable and Flexible Data Center Network Albert Greenberg James R. Hamilton Navendu Jain
 

Summary: VL2: A Scalable and Flexible Data Center Network
Albert Greenberg James R. Hamilton Navendu Jain
Srikanth Kandula Changhoon Kim Parantap Lahiri
David A. Maltz Parveen Patel Sudipta Sengupta
Microsoft Research
Abstract
To be agile and cost e ective, data centers should allow dynamic re-
source allocation across large server pools. In particular, the data
center network should enable any server to be assigned to any ser-
vice. To meet these goals, we present VL , a practical network archi-
tecture that scales to support huge data centers with uniform high
capacity between servers, performance isolation between services,
and Ethernet layer- semantics. VL uses ( ) at addressing to allow
service instances to be placed anywhere in the network, ( ) Valiant
Load Balancing to spread tra c uniformly across network paths,
and ( ) end-system based address resolution to scale to large server
pools, without introducing complexity to the network control plane.
VL 's design is driven by detailed measurements of tra c and fault
data from a large operational cloud service provider. VL 's imple-
mentation leverages proven network technologies, already available

  

Source: Akella, Aditya - Department of Computer Sciences, University of Wisconsin at Madison
Park, KyoungSoo - Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology

 

Collections: Computer Technologies and Information Sciences; Engineering