Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network access regulating
Reexamination Certificate
2011-04-26
2011-04-26
Lim, Krisna (Department: 2453)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network access regulating
C709S229000
Reexamination Certificate
active
07933990
ABSTRACT:
A plurality of computer nodes communicate using seemingly random Internet Protocol source and destination addresses. Data packets matching criteria defined by a moving window of valid addresses are accepted for further processing, while those that do not meet the criteria are quickly rejected. Improvements to the basic design include (1) a load balancer that distributes packets across different transmission paths according to transmission path quality; (2) a DNS proxy server that transparently creates a virtual private network in response to a domain name inquiry; (3) a large-to-small link bandwidth management feature that prevents denial-of-service attacks at system chokepoints; (4) a traffic limiter that regulates incoming packets by limiting the rate at which a transmitter can be synchronized with a receiver; and (5) a signaling synchronizer that allows a large number of nodes to communicate with a central node by partitioning the communication function between two separate entities.
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Larson Victor
Munger Edmund Colby
Schmidt Douglas Charles
Short, III Robert Dunham
Williamson Michael
Lim Krisna
McDermott Will & Emery LLP
VirnetX, Inc.
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