VPN router and VPN identification method by using logical...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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C370S395520, C370S395100, C370S395310, C370S395320, C370S466000, C370S467000, C370S401000, C370S410000, C370S409000, C370S392000, C709S242000

Reexamination Certificate

active

07054319

ABSTRACT:
A VPN edge router with the ability of identifying VPNs by using the identifiers of logical channels multiplexed on a single input line.

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patent: 2004/0008706 (2004-01-01), Sakamoto et al.
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patent: 0 952 755 (1999-10-01), None
patent: 2000-174805 (2000-06-01), None
Patent Abstracts of Japan 2000-174805.
Nikkei Communications, pp. 6-7, 95-101, Oct. 1999.

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