Providing transparent virtual private network connectivity...

Details Providing transparent virtual private network connectivity... Providing transparent virtual private network connectivity...

2008-08-28

2010-12-07

Rao, Seema S (Department: 2462)

Multiplex communications

Pathfinding or routing

C370S401000

Reexamination Certificate

active

07848310

ABSTRACT:
A routing protocol, such as the Border Gateway Protocol (BGP), is extended in a manner that allows the protocol to opaquely carry routing attributes associated with an origin of a routing advertisement, e.g., a customer network of associated with a virtual private network (VPN). These attributes are carried within routing communications using a separate attribute set, and are automatically utilized when delivering the routing advertisement to other customer networks associated with the VPN. As a result, the customer networks are isolated from the routing attributes used within an intermediate network coupling the customer networks.

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