Obtaining multiple port addresses by a fibre channel switch...

Details Obtaining multiple port addresses by a fibre channel switch... Obtaining multiple port addresses by a fibre channel switch...

2005-12-27

2009-10-06

Marcelo, Melvin (Department: 2416)

Multiplex communications

Communication techniques for information carried in plural...

Address transmitted

Reexamination Certificate

active

07599397

ABSTRACT:
Embodiments of the present invention address deficiencies of the art in respect to Fibre Channel (FC) switch interoperability and provide a novel and non-obvious data processing system, method and computer program product for obtaining multiple port addresses by a FC switch directly from a SAN fabric. In one embodiment, the system uses an N_Port connection from the last tier FC SAN switch to connect to the rest of the SAN fabric and employs the N_Port ID Virtualization (NPIV) Fibre Channel feature. The NPIV feature allows one physical FC port (N_Port) to login to a SAN fabric multiple times and receive unique N_Port IDs with each login. This allows the one physical FC port (N_Port) to act as multiple logical N_Ports.

REFERENCES:
patent: 6807579 (2004-10-01), Frazier
patent: 6941260 (2005-09-01), Emberty et al.
patent: 2002/0194294 (2002-12-01), Blumenau et al.
patent: 2004/0151188 (2004-08-01), Maveli et al.
patent: 2005/0114476 (2005-05-01), Chen et al.
IBM Technical Disclosure Bulletin 11-94, ol. 37, No. 11, pp. 641-645;Hybrid Switch Control Scheme for Fast Point-to-Point/Multicast/Hunt-Group Connection SetupNov. 1994.

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