Signaling for reserving a communications path

Details Signaling for reserving a communications path Signaling for reserving a communications path

2007-05-01

2007-05-01

To, Doris H. (Department: 2616)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S442000, C709S239000

Reexamination Certificate

active

10081880

ABSTRACT:
A call signaling protocol that uses simplified messaging to set up, confirm set up, tear down, and confirm tear down of a connection. The available capacity of communications links is tracked so that it can be quickly determined whether or not a link can handle a call. Segments (e.g., time slots, wavelengths, etc.) of a link having enough available capacity are allocated by a separate operation. Connection state information is also tracked. The simple messages and information used by the signaling protocol permits it to be easily implemented in hardware. Such an implementation enables high-speed, high-capacity, call signaling.

REFERENCES:
patent: 5359649 (1994-10-01), Rosu et al.
patent: 5881050 (1999-03-01), Chevalier et al.
patent: 6363319 (2002-03-01), Hsu
patent: 6594265 (2003-07-01), Etorre et al.
patent: 2004/0042402 (2004-03-01), Galand et al.

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