A method, system, and apparatus for processing messages according to one or more
stateful protocols in a data communication system. Messages belonging to various …

The present invention relates to a method and computer system device for applying a
plurality of rules to data packets within a network computer system. A filter rule decision tree …

An integrated search engine device evaluates span prefix masks for keys residing at leaf
parent levels of a search tree to identify a longest prefix match to an applied search key. This …

Methods for routing data units and PCI Express switches are disclosed. A plurality of devices
may be coupled to a corresponding plurality of physical interfaces, each physical interface …

A pipeline configuration is described for use in network traffic management for the hardware
scheduling of events arranged in a hierarchical linkage. The configuration reduces costs by …

5,897,655 5,918.245 5,924,115 6,035,326 6,041,053 6,098,150 6,115,792 6,138,123
6,219,662 6,389,507 6,401,117 6,404,752 6.421, 730 6,430,527 6,441,053 6,460, 112 …

F CIASII'IED SESSION plurality of communication sessions in a communication net Work. A
subset of the sessions is identi? ed using the behav ioral characteristics, such that the …

The illustrative embodiments described herein provide a computer implemented method,
apparatus, and computer program product for increasing efficiency associated with data …

The classification system of a network device includes a cache in which a mapping between
predefined characteristics of TCP/IP packets and associated actions are stored in response …

Methods of operating a search engine device include repeatedly reading next keys (and
associated handles) from a database within the search engine device in order to identify and …