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Issue No. 04 - July-Aug. (2014 vol. 18)
ISSN: 1089-7801
pp: 22-29
Rahul Singh , Nutanix
Prateek Sharma , University of Massachusetts Amherst
David Irwin , University of Massachusetts Amherst
Prashant Shenoy , University of Massachusetts Amherst
K.K. Ramakrishnan , Rutgers University
Distributed applications assume that datacenter servers are available unless they fail. Transient servers, which are available temporarily for an uncertain amount of time, are cheaper and more energy efficient than stable servers, which have continuous availability. This article looks at an important characteristic of transient servers: advance warning of unavailability. The Yank system defines a bounded-time virtual machine migration mechanism that leverages an advance warning of a few seconds to provide high availability cheaply and efficiently at large scales.
Servers, Transient analysis, Availability, Engines, Time factors, Bandwidth, Image restoration

R. Singh, P. Sharma, D. Irwin, P. Shenoy and K. Ramakrishnan, "Here Today, Gone Tomorrow: Exploiting Transient Servers in Datacenters," in IEEE Internet Computing, vol. 18, no. 4, pp. 22-29, 2014.
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