Hybrid virtual private LAN extensions

Details Hybrid virtual private LAN extensions Hybrid virtual private LAN extensions

2003-12-02

2009-11-17

Mills, Donald L (Department: 2416)

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

C370S231000, C370S242000, C370S256000

Reexamination Certificate

active

07619966

ABSTRACT:
This invention is applicable to a Virtual Private LAN service built using multiple point-to-point Ethernet services from a network operator, where the bridging and the transport/tunneling of Ethernet frames to a remote site are decoupled. The learning bridge function (including MAC address learning and flooding) is performed at customer equipment CE devices, while the tunneling is performed at provider edge PE nodes. The models described here for this VPN refer to hub redundancy, site-to-site SLA guarantees and address discovery in the case of hybrid connections.

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