Transparent, look-up-free packet forwarding method for...

Details Transparent, look-up-free packet forwarding method for... Transparent, look-up-free packet forwarding method for...

Filed on

2007-08-07

Date issued

2007-08-07

Examiner

Ho, Duc (Department: 2616)

Patent Class

Multiplex communications

SubClass

Pathfinding or routing

SubSubClass

Switching a message which includes an address header

Other Related Categories

C370S252000, C370S400000, C370S392000, C718S105000

Type

Reexamination Certificate

Status

active

Patent number

10192118

Description

ABSTRACT:
A packet forwarding method for optimizing packet traffic flow across communications networks and simplifying network management. The invention provides look-up-free and packet-layer-protocol transparent forwarding of multi-protocol packet traffic among Layer-N (N=2 or upper in the ISO OSI model) nodes. The invention enables flexible and efficient packet multicast and anycast capabilities along with real-time dynamic load balancing and fast packet-level traffic protection rerouting. Applications include fast and efficient packet traffic forwarding across administrative domains of Internet, such as an ISP's backbone or an enterprise virtual private network, as well as passing packet traffic over a neutral Internet exchange facility between different administrative domains.

REFERENCES:
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patent: 6337862 (2002-01-01), O'Callaghan et al.
patent: 6397260 (2002-05-01), Wils et al.
patent: 7027448 (2006-04-01), Feldmann et al.
patent: 2002/0024974 (2002-02-01), Karagiannis et al.
patent: 2002/0031107 (2002-03-01), Li et al.
patent: 2002/0080755 (2002-06-01), Tasman et al.
patent: 2002/0103631 (2002-08-01), Feldmann et al.
patent: 2003/0012141 (2003-01-01), Gerrevink

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