Methods and apparatus for implementing VPN services

Details Methods and apparatus for implementing VPN services Methods and apparatus for implementing VPN services

2005-08-30

2010-02-23

Shah, Chirag G (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S400000

Reexamination Certificate

active

07668178

ABSTRACT:
Implementation of a VPN service such as a VPLS (Virtual Private Local area network Service) is performed utilizing a two-stage process. A first stage of the two-stage process involves providing notification of whether a PE (Provider Edge) router in a label-switching network has VPLS capability. Notification can include broadcasting a message from a PE router to remote PE routers in the label-switching network to indicate whether the broadcasting PE router is VPLS enabled. A second stage of the two-stage process involves, based on receiving a notification that a PE router is VPLS enabled, generating a query message to discover a set of VPLS instances to which the broadcasting PE router belongs. In this way, a given PE router generating the query message can identify other PE routers in the label-switching network associated with the same VPLS for purposes of setting up the VPLS in the label-switching network.

REFERENCES:
patent: 7366181 (2008-04-01), Havala
patent: 2003/0142674 (2003-07-01), Casey
patent: 2004/0037279 (2004-02-01), Zelig et al.
patent: 2004/0215758 (2004-10-01), Kompella et al.
patent: 2005/0094577 (2005-05-01), Ashwood-Smith
patent: 03/073709 (2003-09-01), None
International Searching Authority Document, Total Pages 5, Aug. 08, 2007.
Chinese Office Action dated Apr. 10, 2009, for Application No. 200680028760.7, 7 pgs.

Affiliated with

Also associated with

Rating

Methods and apparatus for implementing VPN services does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods and apparatus for implementing VPN services, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and apparatus for implementing VPN services will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4218047