[ofa-general] OpenIB development help

[Steve Wise]

Roland Dreier wrote:
>  > Perhaps you should use uDAPL/kDAPL ( http://www.datcollaborative.org/ ).
>  > It's more documented and it's more portable. It works with Infiniband and iWARP
>  > (http://en.wikipedia.org/wiki/IWARP).
> 
> Oh no!!
> 
> First of all I don't know of any kDAPL implementation for any OS that
> is still being developed.  Everyone completely gave up on kDAPL a long
> time ago.
> 
> And if all you care about is being able to work on top of IB and
> iWARP, then libibverbs + librdmacm works perfectly fine without having
> to add another layer and all the complexity of DAPL.  

And librdmacm integrates with the routing subsystem allowing the RDMA CM 
to choose the correct rdma device.  DAPL forces you to open each device 
and "hope" your remote destination is reachable...

Steve.