Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Network resources access controlling
Reexamination Certificate
2011-06-07
2011-06-07
Shaw, Peling A (Department: 2444)
Electrical computers and digital processing systems: multicomput
Computer-to-computer session/connection establishing
Network resources access controlling
C709S219000, C707SE17107
Reexamination Certificate
active
07958249
ABSTRACT:
A file transport mechanism according to the invention is responsible for accepting, storing and distributing files, such as configuration or control files, to a large number of field machines. The mechanism is comprised of a set of servers that accept, store and maintain submitted files. The file transport mechanism implements a distributed agreement protocol based on “vector exchange.” A vector exchange is a knowledge-based algorithm that works by passing around to potential participants a commitment bit vector. A participant that observes a quorum of commit bits in a vector assumes agreement. Servers use vector exchange to achieve consensus on file submissions. Once a server learns of an agreement, it persistently marks (in a local data store) the request as “agreed.” Once the submission is agreed, the server can stage the new file for download.
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patent: 6662198 (2003-12-01), Satyanarayanan et al.
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Berkheimer Andrew D.
Lisiecki Philip A.
Sherman Alexander
Weihl William E.
Wein Joel M.
Akamai Technologies, Inc.
Judson David H.
Shaw Peling A
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