[openib-general] IB: I don't like what I'm seeing.
Stephen Poole
Thu Apr 1 07:40:30 PST 2004
>On Thu, 1 Apr 2004, Stephen Poole wrote:
>
>> >But I submit that it's not possible to do truly end-to-end error checking,
>> >by which I mean checking for all possible errors from beginning to end of a
>> >job. So where do you want to draw the line? What/how much do you have to
>> >check to give you an acceptable level of confidence? And it shouldn't be
>> >necessary to do as much checking on small jobs as on large jobs.
>>
>> *IF* you check at each point in the link, then you can come close to
>> guaranteeing that the traffic is safe. But your point is well taken,
>> that is a drastic measure and can really only be done in HW.
>
>At the same time, this is exactly the strategy that broke NFS when routers
>came out. I'm talking 10 Mbit ethernet here. link-by-link was not
>end-to-end. We all knew this and yet it all surprised everyone.
It was meant a a "theoretical" approach. Not sure you would actually
want to do it. It would be darned costly.
>
>ron
>
>
>--
>To unsubscribe send an email with subject unsubscribe to
>openib-general at openib.org.
>Please contact moderator at openib.org for questions.
--
Steve Poole (spoole at lanl.gov)
Office:
Los Alamos National Laboratory
Office:
CCN - Special Projects / Advanced Development Fax:
--
To unsubscribe send an email with subject unsubscribe to openib-general at openib.org.
Please contact moderator at openib.org for questions.
More information about the openib-general mailing list