Automatic selection of site-IDs for virtual private networks

Details Automatic selection of site-IDs for virtual private networks Automatic selection of site-IDs for virtual private networks

2011-07-26

2011-07-26

Ton, Dang T (Department: 2475)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C380S282000

Reexamination Certificate

active

07986695

ABSTRACT:
Techniques are described for automatically selecting virtual private network (VPN) site-IDs for each customer site within a VPN established over a network. The techniques described herein enable a network router within a VPN to automatically allocate unique site-IDs for each customer site included in the VPN in a dense manner. In some cases, the VPNs may comprise virtual private local area network (LAN) service (VPLS) domains that transmit layer two (L2) traffic between customer sites, i.e., VPLS sites, via the network. For example, a network service provider may configure a network device, such as a router, to belong to one or more VPNs. When a customer site within one of the VPNs connects to the router, the router configures the customer site on the router. The router then automatically selects a site-ID for the customer site configured on the router.

REFERENCES:
patent: 5131007 (1992-07-01), Brown et al.
patent: 7181017 (2007-02-01), Nagel et al.
patent: 2003/0099261 (2003-05-01), Jacobsen et al.
patent: 2004/0059829 (2004-03-01), Chu et al.
patent: 2007/0047557 (2007-03-01), Martini et al.
patent: 2007/0115985 (2007-05-01), Choudhury et al.

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