Journal
FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE
Volume 22, Issue 8, Pages 901-907Publisher
ELSEVIER
DOI: 10.1016/j.future.2006.03.007
Keywords
virtualization; virtual machine; lightpaths; control planes; optical networks
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The VM Turntable demonstrator at iGRID 2005 pioneered the integration of Virtual Machines (VMs) with deterministic lightpath network services across a MAN/WAN. The results provide for a new stage of virtualization-one for which computation is no longer localized within a data center but rather can be migrated across geographical distances, with negligible downtime, transparently to running applications and external clients. A noteworthy data point indicates that a live VM was migrated between Amsterdam, NL and San Diego, USA with just 1-2 s of application downtime. When compared to intra-LAN local migrations, downtime is only about 5-10 times greater despite 1000 times higher round-trip times. (c) 2006 Elsevier B.V. All rights reserved.
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