David J. Houck

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—Critical national infrastructures for transportation, power, finance, and other basic industries rely heavily on information and telecommunications networks (voice, data, Internet) to provide services and conduct business. While these networks tend to be highly reliable, disasters may lead to extended outages requiring days/weeks to repair. These outages(More)
bei is a member of technical staff in the Mathematics of Networks and Systems Department at A'T&T Bell Laboratories in Murray Hill, New Jersey. Mr. Cheng joined the company in 1985 and has a Ph.D. in computer science from the University of Wisconsin at Madison. Mr. Houck joined the company in 1979 and has both a B.A. in mathematics and a Ph.D. in operations(More)
– In contrast to a typical single source of data updates in Internet applications, data files in a networked information system are often distributed, replicated, accessed and updated by multiple nodes. Due to concurrent updates, replicated data files must be synchronized. For certain applications, stringent concurrency control must be employed to ensure(More)
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