A platform for cooperative server backups based on virtual machines

Authors:
Akiyoshi Sugiki;Kei Yamatozaki;Richard Potter;Kazuhiko Kato
Affiliations:
CREST, Japan Science and Technology Agency, Tsukuba, Ibaraki, Japan;Department of Computer Science, University of Tsukuba, Tsukuba, Ibaraki, Japan;CREST, Japan Science and Technology Agency, Tsukuba, Ibaraki, Japan;Department of Computer Science, University of Tsukuba, Tsukuba, Ibaraki, Japan and CREST, Japan Science and Technology Agency, Tsukuba, Ibaraki, Japan
Venue:
ISAS'08 Proceedings of the 5th international conference on Service availability
Year:
2008

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Abstract

We present a virtual machine-based peer-to-peer platform that allows many Internet services to back up their services cooperatively. The goal of our platform is to provide a highly-available and service-independent solution that is cost-effective for smaller, independent service providers. Use of virtual machines makes it possible to encapsulate the complete service state and to share physical hosts. A multicast protocol guarantees that service state is replicated reliably on multiple physical hosts so that in case of failures, recent state can be recovered. We implemented a prototype and evaluated it by experiments to show that our design can adapt to dynamic host changes and evaluate the runtime and failure recovery performance possible with Xen and SBUML virtual machines.