On Fri, 10 Apr 2015, Bob Ciotti wrote:

> > Well applications can screw up yes but the fabric *IS* lossless.
>
> This is a very bad assumption. Fabric *is not* lossless.

I guess then we need to get our money back because it was advertised to be
lossless....

> Packet loss happens - for various reasons that are typically specific to the
> environment.

Right. Even the most reliable transport will not work if someone goes
postal and gets a big sledgehammer and starts hitting the equipment with
that.

> If HW never broke, and systems were never overloaded, room temperatures never
> fluctuated, IB
> cables were always reliable... Its not that uncommon to see packet loss on a
> perfectly functioning
> (large) system let alone one thats having HW issues...

If things break then yes but otherwise the fabric is expected to behave as
advertised.
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