[Click] Lost cost microwave with click

[Eddie Kohler]

Also cool; would you like to add it to the publications wiki?

Eddie


On 1/18/12 1:21 PM, nguenga valery wrote:
> Hi,
>
> See a "low cost microwave Full Duplex system based
> on WiFi cards for transmission over long distance"
> built with click on this link:
>
> http://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F5740523%2F5745722%2F05746050.pdf%3Farnumber%3D5746050&authDecision=-203
> <http://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F5740523%2F5745722%2F05746050.pdf%3Farnumber%3D5746050&authDecision=-203>
>
> ------------------------------------------------------------------------
> *De :* Eddie Kohler <ekohler at gmail.com>
> *À :* rchertov <rchertov at cs.ucsb.edu>
> *Cc :* click at pdos.csail.mit.edu
> *Envoyé le :* Mercredi 18 janvier 2012 16h02
> *Objet :* Re: [Click] 10GE Click performance
>
> Well, shoot. This performance degradation is unfortunate.
>
> There are two questions:
> 1. Why is performance low (~300Kpps or less)?
> 2. Why has performance gotten worse (300->200)?
>
> Let's attack #2 first.
>
> Has a non-Device configuration, such as InfiniteSource->Idle, slowed down?
>
> Eddie
>
>
> On 1/17/12 8:13 PM, rchertov wrote:
>  > I finally got my hands on some 10GE equipment and started to play
>  > around with Click. So I noticed the following. On 2.6.24.7 patched
>  > kernel using 3.7.17 ixgbe driver, I get around 200K pps when running a
>  > node as a bridge (click pulled from git today). However, when on
>  > exactly the same node I run the exactly same test but I use
>  > click-1.7.0rc1, then I can easily achieve 300K pps. I have also tried
>  > 2.6.35.14-106.fc14.i686 using the latest Click and I still got around
>  > 200K pps.
>  >
>  >
>  > I am curious of people's experiences when running Click on 10GE
>  > equipment. Has anybody got the RouteBricks MQ code running? Everything
>  > compiled for me, but I get pretty strange packet forwarding performance,
>  > where the data is either delayed by quite a bit or it is just corrupted.
>  >
>  > My fancy one way bridge config
>  >
>  > fd :: FromDevice(eth2, PROMISC true, BURST 32)
>  > -> ctr1 :: AverageCounter
>  > -> q :: Queue(4096)
>  > -> ctr2 :: AverageCounter
>  > -> ToDevice(eth3, BURST 64);
>  >
>  > Roman
>  >
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>