Xen users - Apr 2008 - bandwidth limiting - vif "rate" option

Hello everybody,

i have found, that i can limit the OUTGOING bandwidth with the option

"rate=" (e.g. rate=250KB/s) at the vif line in my sxp-file.

I have tested it, it is working good, but why it is "only" limiting
the outgoing bandwidth ?

Is there any easy way to limit the incoming bandwidth too, something like the
obove option ?

My network setup is bridged.

Thank you in advance!

Greetings,
Eduard
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the linux limit only outgoing traffic

since the networks packets alrealy arrived in the network card, why 
limit it ?


tycoonog@web.de wrote:
> Hello everybody,
>
> i have found, that i can limit the OUTGOING bandwidth with the option
>
> "rate=" (e.g. rate=250KB/s) at the vif line in my sxp-file.
>
> I have tested it, it is working good, but why it is "only"
limiting the outgoing bandwidth ?
>
> Is there any easy way to limit the incoming bandwidth too, something like
the obove option ?
>
> My network setup is bridged.
>
> Thank you in advance!
>
> Greetings,
> Eduard
> _______________________________________________________________________
> Jetzt neu! Schützen Sie Ihren PC mit McAfee und WEB.DE. 30 Tage
> kostenlos testen. http://www.pc-sicherheit.web.de/startseite/?mc=022220
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>
>    


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On Tue, 22 Apr 2008, Itamar - IspBrasil wrote:
> the linux limit only outgoing traffic
>
> since the networks packets alrealy arrived in the network card, why
> limit it ?
Because queues were invented for this :)


Stefan


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please say this to xen/linux hackers

will be good to have rate in and rate out limiting in xen.

but the people will replay to use tc/iptables to do this




Stefan de Konink wrote:
> On Tue, 22 Apr 2008, Itamar - IspBrasil wrote:
>
>    
>> the linux limit only outgoing traffic
>>
>> since the networks packets alrealy arrived in the network card, why
>> limit it ?
>>      
>
> Because queues were invented for this :)
>
>
> Stefan
>
>
>
>    


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On Tue, 22 Apr 2008, Itamar - IspBrasil wrote:
> please say this to xen/linux hackers
>
> will be good to have rate in and rate out limiting in xen.
>
> but the people will replay to use tc/iptables to do this
I think you don''t get it :) tc or iptables are just the tools that xen
hackers will use too. Just put it in the network scripts.

The idea would be to have some pretty integrated stuff that has this out
of the box, but nothing prevents you to send in a patch ;)


Stefan


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You can install wondershaper for both ways

-----Original Message-----
From: xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] On Behalf Of Stefan de
Konink
Sent: 22 April 2008 20:02
To: Itamar - IspBrasil
Cc: tycoonog@web.de; xen-users@lists.xensource.com
Subject: Re: [Xen-users] bandwidth limiting - vif "rate" option

On Tue, 22 Apr 2008, Itamar - IspBrasil wrote:
> please say this to xen/linux hackers
>
> will be good to have rate in and rate out limiting in xen.
>
> but the people will replay to use tc/iptables to do this
I think you don''t get it :) tc or iptables are just the tools that xen
hackers will use too. Just put it in the network scripts.

The idea would be to have some pretty integrated stuff that has this out
of the box, but nothing prevents you to send in a patch ;)


Stefan


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Hi,

thanks for the answers!
> I think you don''t get it :) tc or iptables are just the tools that
xen
> hackers will use too. Just put it in the network scripts.
I know, that i can do it with tc in combination with iptables, but the setup is
very "complex", thats my opinion.
> You can install wondershaper for both ways
I have heard of wondership, but AFTER a reboot the "vifX.X" (see
ifconfig) of the domU will change and wondership is bound to this
"vifX.X" ?


The "rate" option limits the OUTGOING traffic, but why the devs do not
implement even the option to limit the INCOMING traffic. :-D

Do i have overseen (maybe the wrong vocabulary, im sorry) something ?


A option like rateTX and rateRX would be very cool, right ? :)

Greetings,
Eduard
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