[libfabric-users] pingpong example

[Hefty, Sean]

> but if I give it the same source and destination, it runs.
> 
> - ./pingpong -s localhost:12345 -z 1024 -i 10
> - ./pingpong -d localhost:12345 -z 1024 -i 10
> 
> Why is pingpong confused when source and dest are different?  I thought
> the steps on slides 79-81 were where the client and server tell each
> other where to look ?

On the server side, this specifies the source (i.e. local) address that the server binds to.  The client specifies the same address as the destination, which is needed for it to find the server.