Communication device having transmitting and receiving units...

Details Communication device having transmitting and receiving units... Communication device having transmitting and receiving units...

2006-06-28

2009-08-25

Luu, Le (Department: 2454)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

C709S236000, C709S237000

Reexamination Certificate

active

07581015

ABSTRACT:
When a data transfer request is received, a transmitting-side NIC generates an RDMA packet from transfer data and speculatively transmits it without inquiring the transfer destination about presence of reception permission. If reception of a receiving area is unpermitted, the RDMA packet is retransmitted when a retransmission request is received from the transfer destination. When transfer unpermission is determined by referencing transfer area control information upon packet reception, a receiving-side NIC discards the received packet and, if transfer permission is determined thereafter, transmits a retransmission request, thereby transferring it. If reception is unpermitted, that may be notified to the transmission source, thereby ceasing the transfer.

REFERENCES:
patent: 2003/0053462 (2003-03-01), Garcia et al.
patent: 2004/0073622 (2004-04-01), McDaniel et al.
patent: 2004/0193734 (2004-09-01), Barron et al.
patent: 2005/0108518 (2005-05-01), Pandya
patent: 2005/0223118 (2005-10-01), Tucker et al.
patent: 2006/0075057 (2006-04-01), Gildea et al.
patent: 2006/0075067 (2006-04-01), Blackmore et al.
patent: 2004-192179 (2004-07-01), None
patent: 2005-044353 (2005-02-01), None

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