VPN composing method, interwork router, packet communication...

Details VPN composing method, interwork router, packet communication... VPN composing method, interwork router, packet communication...

2011-07-19

2011-07-19

Levitan, Dmitry H (Department: 2461)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

Reexamination Certificate

active

07983281

ABSTRACT:
A method serves to compose a VPN (Virtual Private Network) over a plurality of networks, each of which is managed by a different Internet Service Provider (ISP). When a packet with a first capsule header used for composing a VPN in a first ISP network is transmitted to a second ISP network, a route for outputting the packet to the second ISP network is determined based on the information both in the capsule header and in the IP header. In addition, a second capsule header used for composing a VPN in the second ISP network is determined based on the above information.

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