Importance

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Abstract

A method and a fiber channel switch element for processing receive-modify-send (“RMS”) frames in a fiber channel network are provided. The method includes, determining if a received frame is a RMS frame; modifying the RMS frame without copying the RMS frame to a transmit buffer; and transmitting the modified frame. The RMS frame is modified in a receive buffer before being sent to the transmit buffer and a port state machine controls the receive buffer where RMS frames are modified. The switch element includes a port having a state machine that determines if a received frame needs to be modified before being transmitted, and if the frame is to be modified then such modification occurs in a receive buffer without being copied to a transmit buffer before such modification. A buffer select logic selects the appropriate buffer for modifying and transmitting frames from.

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First Claim