[openib-general] comments on DAT registry in OpenIB

[Woodruff, Robert J]

Christoph wrote,
>Well, the plan was to take the parts of the DAT API that make sense
>and put them into that generic RDMA layer.  DAT advocates claimed there
>were such useful higherlevel abstractions, but the more I look at
>the dat/dat-provider codebase I doubt there's a lot of them.

One example of a useful abstraction in the DAT layer is 
connection establishment. The ULP can call the DAT connection
establishment routines and it deals with the transport specific
connection mechanism, which are very different in IB and iWarp 
for example. 

woody