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Keywords
(10)
Cost Effectiveness
Data Center
Dynamic Resource Allocation
Hardware Implementation
High Speed
Network Architecture
Network Control
layer 2
Service Provider
Valiant Load Balancing
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VL2: a scalable and flexible data center network
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VL2: a scalable and flexible data center network
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Citations: 1
)
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Albert G. Greenberg
,
James R. Hamilton
,
Navendu Jain
,
Srikanth Kandula
,
Changhoon Kim
,
Parantap Lahiri
,
David A. Maltz
,
Parveen Patel
,
Sudipta Sengupta
To be agile and cost effective, data centers must allow
dynamic resource allocation
across large server pools. In particular, the
data center
network should provide a simple flat abstraction: it should be able to take any set of servers anywhere in the
data center
and give them the illusion that they are plugged into a physically separate, noninterfering Ethernet switch with as many ports as the service needs. To meet this goal, we present VL2, a practical
network architecture
that scales to support huge data centers with uniform high capacity between servers, performance isolation between services, and Ethernet layer-2 semantics. VL2 uses (1) flat addressing to allow service instances to be placed anywhere in the network, (2)
Valiant Load Balancing
to spread traffic uniformly across network paths, and (3) end system--based address resolution to scale to large server pools without introducing complexity to the
network control
plane. VL2's design is driven by detailed measurements of traffic and fault data from a large operational cloud service provider. VL2's implementation leverages proven network technologies, already available at low cost in high-speed hardware implementations, to build a scalable and reliable network architecture. As a result, VL2 networks can be deployed today, and we have built a working prototype. We evaluate the merits of the VL2 design using measurement, analysis, and experiments. Our VL2 prototype shuffles 2.7 TB of data among 75 servers in 395 s---sustaining a rate that is 94% of the maximum possible.
Journal:
Communications of The ACM - CACM
, vol. 54, no. 3, pp. 95-104, 2011
DOI:
10.1145/1897852.1897877
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Citation Context
(1)
...The main challenge and goal is to achieve the ability to assign any server to any service, a property called agility in [
11
]...
...For instance, Greenberg et al. propose in [
11
] an innovative architecture, called VL2, that is organized in a flat scheme and operates like a very large switch...
Roberto Bifulco
,
et al.
Transparent migration of virtual infrastructures in large datacenters ...
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Citations
(1)
Transparent migration of virtual infrastructures in large datacenters for Cloud computing
Roberto Bifulco
,
Roberto Canonico
,
Giorgio Ventre
,
Vittorio Manetti
Conference:
International Symposium on Computers and Communications - ISCC
, pp. 179-184, 2011