Method and system for multi-domain virtual private network...

Details Method and system for multi-domain virtual private network... Method and system for multi-domain virtual private network...

2011-01-11

2011-01-11

Ferris, Derrick W (Department: 2463)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S254000

Reexamination Certificate

active

07869447

ABSTRACT:
Information about virtual private networks—VPNs—in each domain of a multi-domain communications system is provided. By comparing a request for a configuration of a VPN with the provided information of other connected domains, a match can be found. VPN configuration can then be performed based on the outcome of the match. The provided domain VPN information is in one embodiment spread to other domains under constrictions put by SLAs between domain operators. The spreading of VPN information can be performed regularly or triggered by an external event. In another embodiment, the VPN configuration request is instead spread to different domains.

REFERENCES:
patent: 7281039 (2007-10-01), Salkewicz
patent: 7389534 (2008-06-01), He
patent: 7403980 (2008-07-01), Stringer-Calvert et al.
patent: 2003/0117954 (2003-06-01), De Neve et al.
patent: 2004/0034702 (2004-02-01), He
patent: 2005/0063411 (2005-03-01), Wang et al.
patent: 1 156 625 (2001-11-01), None

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