[ofa-general] RDMA write completion question

Steve Wise swise at opengridcomputing.com
Thu May 24 18:59:53 PDT 2007



Devesh Sharma wrote:
> On 5/24/07, Gleb Natapov <glebn at voltaire.com> wrote:
>> Hi,
>>
>>  Does local RDMA write completion guaranties that a data that was 
>> RDMAed is
>> already accessible in a destination's host _memory_?
> Local RDMA write completion guarantees that the data you have RDMAed
> has been copied into the remote buffer, without any data corruption.
>>
For iWARP, the local write completion simply means you can reuse the 
local buffer and the the transport will deliver it or kill the 
connection.  The data _could_ be queued in the local rnic and anywhere 
else in the tcp cloud.





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