Simple fibre channel speed negotiation across transport

Details Simple fibre channel speed negotiation across transport Simple fibre channel speed negotiation across transport

2006-03-06

2010-11-30

Phan, Hanh (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S025000, C398S058000, C398S098000, C398S099000, C398S100000, C398S075000, C370S466000, C370S252000, C370S392000

Reexamination Certificate

active

07844181

ABSTRACT:
A method for negotiating speed between a Fiber Channel (FC) local client and a remote FC client across a DWDM network is provided. A transmission speed of the local FC client at a local ingress transport interface is detected. The data from the local FC client is forwarded along with the detected transmission speed to a remote egress transport interface. The remote egress interface forwards the data at the detected transmission speed to the remote FC client. The present invention eliminates complex speed negotiation state machines that would otherwise be required to make the DWDM transport behave like a virtual wire with respect to the FC ports and to allow the FC clients to negotiate the desired speed directly between themselves.

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