Method and apparatus for mapping an MPLS tag to a data...

Details Method and apparatus for mapping an MPLS tag to a data... Method and apparatus for mapping an MPLS tag to a data...

2006-08-15

2006-08-15

Pham, Chi (Department: 2666)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S522000, C725S111000, C709S228000

Reexamination Certificate

active

07092397

ABSTRACT:
A method of using DOCSIS 1.1 features to allow the addition of ISPs and QOS levels to a single cable modem without having to modify the CMTS is described in the various figures. Instead of using the SID of a data packet to determine the VPN tag of a data packet (DOCSIS 1.0), a service flow is used to identify the appropriate tag. This is done using the DOCSIS 1.1 configuration file. By doing so, the need for creating additional sub-interfaces in the cable modem interface does not arise. Instead, the configuration is modified at the provisioning server, i.e., the DHCP/TFTP server.

REFERENCES:
patent: 6167457 (2000-12-01), Eidson et al.
patent: 6208975 (2001-03-01), Bull et al.
patent: 6324621 (2001-11-01), Singh et al.
patent: 6330610 (2001-12-01), Docter et al.
patent: 6693878 (2004-02-01), Daruwalla et al.

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