NDLI: Virtual infrastructure for collision-prone wireless networks

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Virtual infrastructure for collision-prone wireless networks

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Virtual infrastructure for collision-prone wireless networks

Content Provider	ACM Digital Library
Author	Lynch, Nancy Gilbert, Seth Chockler, Gregory
Abstract	Wireless ad hoc networks pose several significant challenges: devices are unreliable; deployments are unpredictable; and communication is erratic. One proposed solution is Virtual Infrastructure, an abstraction in which unpredictable and unreliable devices are used to emulate reliable and predictable infrastructure. In this paper, we present a new protocol for emulating virtual infrastructure in collision-prone wireless networks. At the heart of our emulation is a convergent history agreement protocol that tolerates lost messages and crash failures. It is designed specifically for ad hoc deployments, for example, the set of participants a priori unknown. The convergent history agreement protocol is quite efficient, as each agreement instance completes in a constant number of communication rounds, and the size of the messages is constant, independent of the length of the execution. Building on the convergent history agreement protocol, our virtual infrastructure emulation introduces only constant overhead per virtual round emulated. We believe that the techniques developed in this paper help to bring virtual infrastructure one step closer to a reality.
Starting Page	233
Ending Page	242
Page Count	10
File Format	PDF
ISBN	9781595939890
DOI	10.1145/1400751.1400783
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-08-18
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Fault tolerance Mobile ad hoc networks
Content Type	Text
Resource Type	Article

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