On Wednesday 02 January 2008 17:26, Tang, Changqing wrote:
> If rank B does not register (receiving QP has been created by another rank A 
> on the node),
> and sender know B's SRQ number, if sender sends a message to B, can B still 
> receive this
> message ?   (I hope, no register, no receive)
> 
Yes, he can still receive this message.  The only criterion is that the 
receiving XRC QP
and the receiving XRC SRQ belong to the same domain.

The only issue solved by registration is premature qp destruction.

- Jack
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