Virtual ethernet MAC switching

Details Virtual ethernet MAC switching Virtual ethernet MAC switching

2011-07-12

2011-07-12

Shah, Chirag G (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000

Reexamination Certificate

active

07978701

ABSTRACT:
A method of sending an information package from a first data network to at least one second data network through a communications network, in particular a SDH or SONET network, comprises a first plurality of access points, a second plurality of MPLS switches, a third plurality of paths defined from each of the access points to an Ethernet switch including MPLS switching capabilities via at least one of the MPLS switches, and a fourth plurality of paths defined from the Ethernet switch including MPLS switching capabilities to each of the access points via at least one of the MPLS switches. The method further comprises receiving the information package at a specific access point and adding a header including a MPLS label to the information package. The information package including the header is sent to the Ethernet switch including MPLS switching capabilities via a path of the third plurality. The Ethernet switch includes MPLS switching capabilities and switching and sending the information package including the header to at least one further specific access point corresponding to the at least one second data network, removes the header from the information package, and sends the information package from the at least one further specific access point to the at least one second data network.

REFERENCES:
H. Epstein, et al., Managing optical networks, Bell labs tech. J. (Jan.-Jun. 2001), pp. 50-66, Lucent Tech., vol. 6, No. 1, XP002223757, 1089-7089.
Banerjee, et al., Generalized multiprotocol label switching, an overview, IEEE Communications Mag., Jan. 2001, Internet Tech Series, pp. 144-150, US, vol. 39, No. 1.

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