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SubjectRe: Van Jacobson's net channels and real-time
Ingo Oeser wrote:
> On Saturday, 22. April 2006 15:49, Jörn Engel wrote:
>> That was another main point, yes. And the endpoints should be as
>> little burden on the bottlenecks as possible. One bottleneck is the
>> receive interrupt, which shouldn't wait for cachelines from other cpus
>> too much.
>
> Thats right. This will be made a non issue with early demuxing
> on the NIC and MSI (or was it MSI-X?) which will select
> the right CPU based on hardware channels.

MSI-X. with MSI you still have only one cpu handling all MSI interrupts and
that doesn't look any different than ordinary interrupts. MSI-X will allow
much better interrupt handling across several cpu's.

Auke
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