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9th Workshop on Hot Topics in Operating Systems (HotOS IX) — Abstract
The Phoenix Recovery System:
Rebuilding from the Ashes of an Internet Catastrophe
Flavio Junqueira, Ranjita Bhagwan, Keith Marzullo, Stefan Savage, and Geoffrey M. Voelker, University of California, San Diego
Abstract
The Internet today is highly vulnerable to Internet catastrophes: events in which an exceptionally successful Internet pathogen, like a worm or email virus, causes data loss on a significant percentage of the computers connected to the Internet. In this paper, we explore the feasibility of using data redundancy, a model of dependent host vulnerabilities, and distributed storage to tolerate such events. In particular, we motivate the design of a cooperative, distributed remote backup system called the Phoenix recovery system. The usage model of Phoenix is straightforward: a user specify an amount F of bytes from its disk space the system can use, and the goal of the system is to protect a proportional amount F/k of its data using storage provided by other hosts.
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