Method and apparatus for frame redirection in a storage area...

Details Method and apparatus for frame redirection in a storage area... Method and apparatus for frame redirection in a storage area...

2008-06-17

2011-11-01

Shah, Chirag (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C711S006000

Reexamination Certificate

active

08050261

ABSTRACT:
Embodiments according to the invention relate to frame redirection, which includes methods to intercept and re-route traffic between an initiator and a target. When a frame is redirected, an initiator issues a frame to the target, but the frame is received by a virtual target in a redirection switch by allowing the redirection switch to use the WWN of the actual target. From the perspective of the initiator, the target resides on the redirection switch. From the redirection switch, the frame is sent to the actual target by allowing the redirection switch to use the identity of the initiator. In other words, the redirection switch presents the WWN of the initiator to the target when the redirected frame is sent to the target. From the perspective of the target, the frame is received as if it originated at the initiator.

REFERENCES:
patent: 7484055 (2009-01-01), Gupta et al.
patent: 7864758 (2011-01-01), Lolayekar et al.
patent: 2002/0087751 (2002-07-01), Chong, Jr.
patent: 2006/0220533 (2006-10-01), Achiwa et al.
patent: 2008/0114961 (2008-05-01), Ramaswamy et al.

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