Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-03-06
2007-03-06
Nguyen, Chau (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S400000, C370S469000
Reexamination Certificate
active
10163043
ABSTRACT:
An apparatus and method for expeditiously steering a received communication (e.g., packet, cell, frame) to one or more communication streams. When a new communication stream is opened on a network interface circuit or other Primary Point of Attachment (PPA), the protocol to which the stream is bound is used as a Service Access Point (SAP). A hierarchy of SAP nodes (e.g., a binary tree) is constructed, with each node corresponding to a unique SAP. Each node includes its corresponding SAP value, a count of the number of communication streams bound to the associated protocol, and a reference to those streams. When a communication is received, its SAP is extracted and the hierarchy is searched for a matching node. The communication is then forwarded to each referenced stream.
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Nguyen Chau
Park Jung
Park Vaughan & Fleming LLP
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