Tunneling scheme optimized for use in virtual private networks

Details Tunneling scheme optimized for use in virtual private networks Tunneling scheme optimized for use in virtual private networks

2001-12-07

2008-05-27

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S392000, C370S401000, C370S469000

Reexamination Certificate

active

07379465

ABSTRACT:
A tunneling scheme includes the creation of tunnels having a source address and potentially multiple destination addresses. Each tunnel endpoint is divided into two sub-endpoints, where one sub-endpoint has a public network address and the other sub-endpoint has a private network address. Also included in the tunneling scheme is a static Address Resolution Protocol (ARP) table. The static ARP table contains information on virtual private network membership. More particularly, the static ARP table provides address resolution between public network addresses and private network addresses.

REFERENCES:
patent: 6226751 (2001-05-01), Arrow et al.
patent: 6496867 (2002-12-01), Beser et al.
patent: 6636516 (2003-10-01), Yamano
patent: 6765591 (2004-07-01), Poisson et al.
patent: 2002/0038419 (2002-03-01), Garrett et al.

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