RE: Some Minimal end-to-end Buffer Rules Required

On Thursday, July 17, 2003, [email protected] wrote:

>In addition to Paul's note, it is also important to realize that the 
>needs of any application working efficiently over the internet are 
>different than the needs when working over Infiniband. Infiniband 
>networks can generally be counted on to be small and are built with 
>devices designed with the very low latency desired for IPC interactions. 
>Round trip delays are therefore tiny compared to those on the Internet. 
>Therefore, on an Infiniband network the round trip delays in requesting 
>and receiving additional credits will not significantly affect 
>performance. That can not be said for systems operating over internets.

Good point, not only would an extra message be required, it would be
slightly flaky in its effectiveness as well.