Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2004-11-05
2008-10-07
Nguyen, Brian D (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S219000, C370S471000
Reexamination Certificate
active
07433362
ABSTRACT:
A synchronous optical network (SONET) system having multi-hierarchal network service access point (NSAP) addressing includes a plurality of network elements (NEs) electrically linked, and a first level routing area and a second level routing area that each includes at least one NE. The NEs include devices having respective NSAP addresses and at least one of the NEs is a network controller that controls the SONET. The first level routing area and the second level routing area are based on a predetermined prioritization of the NEs as first level NEs and second level NEs, and have a first level routing and have a second level routing for the NSAP addresses, respectively, and each of the areas is capable of having at least 151 NEs.
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Information technology—Open Systems Interconnection—Network service definition; International Standard; ISO/IEC 8348; Nov. 1, 2002; Switzerland.
Bruner Rodney
Mallya Arvind R.
Rele Amit
Brooks & Kushman P.C.
Nguyen Brian D
SBC Knowledge Ventures L.P.
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