Apparatus and method for isochronous network delay compensation

Details Apparatus and method for isochronous network delay compensation Apparatus and method for isochronous network delay compensation

2007-04-03

2007-04-03

Ngo, Ricky Q. (Department: 2616)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S351000, C370S395210, C370S401000

Reexamination Certificate

active

10174040

ABSTRACT:
In an isochronous telecommunications system sending packets over two routes in a network, a server of the network compares overall transmission delay between the routes. If the new route is faster, a server buffers cells on the new route until the last cell on the old route is delivered. Then the first cell from the new route is delivered at the old delay and subsequent new route cells are delivered with the same delay. If the old route is faster, a server identifies the type of transmission; if it is voice, a signal is inserted to alert the receiver of delay, and if the transmission is video, the system resends the last frame from the old route until frames from the new route arrive.

REFERENCES:
patent: 6400681 (2002-06-01), Bertin et al.
patent: 6690678 (2004-02-01), Basso et al.
patent: 6999420 (2006-02-01), Chiu et al.

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