Dual-channel communications protocol providing enhanced...

Details Dual-channel communications protocol providing enhanced... Dual-channel communications protocol providing enhanced...

2005-10-25

2005-10-25

Qureshi, Afsar (Department: 2667)

Multiplex communications

Channel assignment techniques

Carrier sense multiple access

C370S524000, C375S222000, C455S522000

Reexamination Certificate

active

06959005

ABSTRACT:
A system providing a framework for the negotiation of a dual-channel communication protocol between modems connected by a communications link. The dual-channel communications link includes a data channel used for sending and receiving data or code and a command channel for sending and receiving command and status information. Enhanced capabilities include providing that data on the data channel may be compressed using one of a plurality of compression algorithms, data may also be encrypted using one of a plurality of encryption algorithms. Additionally, LCP spoofing is provided as a way to reduce the time required to establish PPP links.

REFERENCES:
patent: 6282204 (2001-08-01), Balatoni et al.
patent: 6473423 (2002-10-01), Tebeka et al.
patent: 6768749 (2004-07-01), Osler et al.

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