Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-01-05
2009-12-08
Yao, Kwang B (Department: 2473)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C713S188000, C726S022000
Reexamination Certificate
active
07630379
ABSTRACT:
The invention relates to network based content inspection (NBCI). More specifically, the invention provides systems and methods for improved NBCI in complex networks that are typical for enterprises and service providers. These networks are shared by large numbers of concurrent users who send and retrieve application content of various sizes via a variety of communication protocols. This invention improves the efficiency of the NBCI of an individual communication session by learning from the processing results of other communication sessions which may be carried via different network protocols. In addition, the invention provides methods that do not weaken the overall security for the network and that improve the stability of NBCI systems by minimizing the risk of system resource exhaustion if subjected to a burst of large payloads. The invention also improves perceived network stability by preventing the system resources from being “live-locked” by a few large content inspection tasks. Further still, the invention improves the cost-effectiveness of NBCI by allowing the optimization knowledge gained by one NBCI node be shared with other nodes.
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International Search Report, Apr. 6, 2007, 4 pages.
Kinawi Husam
Morishita Isao
Zhang Hongwen
Liu Jung-Jen
St. Onge Steward Johnston & Reens LLC
Wedge Networks Inc.
Yao Kwang B
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