Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Reexamination Certificate
2002-09-24
2009-02-10
Chan, Wing F (Department: 2419)
Multiplex communications
Data flow congestion prevention or control
Control of data admission to the network
C375S222000
Reexamination Certificate
active
07489633
ABSTRACT:
Method and apparatus are described for differential MoIP bring-up and compression negotiation. A first differential, and, more particularly, overlapping, bring-up method involves initiating a bring-up of a first layer associated with a first modem; imposing a time delay; after the time delay, initiating a bring-up of a second layer associated with a second modem; and delaying completion of the first layer bring-up associated with the first modem until substantial completion of the second layer bring-up associated with the second modem. Two alternative differential, and, more particularly, sequential, V.8 modem relay link bring-up methods involve first bringing up a physical layer at a first leg while delaying bring-up of the physical layer of the second leg until completion of the bring up of the physical layer at the first leg, and thereafter completing XID exchange. All described methods and apparatus involve at least physical layer bring-up at both ends, and all optionally may involve the bring-up at either end also of error-correction (EC) layers and data compression layers.
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ITU V.42; Error-Correcting Procedures for DECS Using Asynchronous-to-Synchronous Conversion; 59 pages; Apr. 2002.
Garakani Mehryar Khalili
Wildfeuer Herbert M.
Chan Wing F
Cisco Technology Inc.
Duong Duc T
Stolowitz Ford Cowger LLP
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