Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2008-09-09
2008-09-09
Backer, Firmin (Department: 2616)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
C370S476000
Reexamination Certificate
active
10141262
ABSTRACT:
A method and apparatus for transceiving multiple service data from multiple communication services to a SONET/SDH communication system or network is provided. A SONET/SDH universal framer (SURF) bidirectionally provides communication between a SONET/SDH communication port and multiple service communication ports using their native data format. A provisioning register stores provisioning information describing the communication system and the communication ports. A SONET/SDH byte engine processes complex hierarchical SONET/SDH frames storing intermediate states when it changes to process a byte of data of a different STS-1 equivalent frame in a SONET/SDH STS-N frame. A service byte engine processes the multitude of service data formats and generally its intermediate states are restored, processed, and saved when it changes to process a different data stream or a different frame of data of a given service. An elastic storage means allows the SONET/SDH byte engine and the service byte engine to operate independent of one another in an asynchronous mode.
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Joshi Chandra Shekhar
Kane Rajiv
Malladi Srinivasa R.
Nayyarhabibi Amir
Sethuram Jay
Backer Firmin
Campbell Stephenson LLP
Cisco Technology Inc.
Nguyen Toan
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