RDMA write completion semantics
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United States of America Patent
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Feb 21, 2012
Grant Date -
N/A
app pub date -
Jun 23, 2009
filing date -
Jun 23, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An RDMA Network Interface Controller (NIC) is operated to accomplish an RDMA WRITE operation initiated by an application operating on a host computing device to which the RDMA NIC is coupled for RDMA communication over a network with a peer device. The RDMA NIC receives an RDMA WRITE request from the host device, for writing data from a memory associated with the host device to a memory associated with the peer device using an RDMA protocol. The RDMA NIC initiates an RDMA WRITE operation from the memory associated with the host device to the memory associated with the peer device. Furthermore, the RDMA NIC automatically generates a completion indication for the RDMA WRITE operation to the host computing device by performing an RDMA READ operation and converting a READ COMPLETION for the RDMA READ operation to the completion indication for the RDMA WRITE operation.
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