Re: Control Inbound Internet Traffic.

If your traffic is TCP, then RED rings a bell.
By dropping tre traffic that you already got, you influence
the behaviour of the sender to slow down, effectivelly (in many cases)
shapping the traffic at its origin.

You don't need a proxy for doing that.

-Carlos

Keegan.Holley_at_sungard.com @ 9/12/2009 0:00 -0300 dixit:
> You can police inbound as you said but there is no way to keep the
> traffic from hitting your external interfaces. You could see if your ISP
> fill filter some routes or allow you to do triggered black hole routing.
> You could also get a lower bandwidth link, but I suppose that would rate
> limit everything so YMMV :)
>
>
>
>
> From:
> Amr Masoud <amr.eng_at_gmail.com>
> To:
> ccielab_at_groupstudy.com
> Date:
> 12/08/2009 07:12 AM
> Subject:
> Control Inbound Internet Traffic.
> Sent by:
> <nobody_at_groupstudy.com>
>
>
>
> Dears,
>
> How we can control (Police or shape or reserve BW ) traffic coming from
> Internet to my network (download traffic). Lets say I need to shape
> CLASS-A
> to 1 Mbps and reserve BW for CLASS-B with 2 Mbps.
>
> First: For Policing if we policed the incoming traffic at external
> interface, then fine, traffic that is coming to internal side will be
> policed when it comes to internal side . But the whole traffc already came
> to the external interface and already consumed the download BW of the
> external interface !!
>
> Second: For BW reservation, it is a queuing mechanism. so it has to be
> applied outbound, so it will be applied to internal interface as outbound.
> So again the same problem, this traffic still not guaranteed at external
> interface :(
>
> I hope you got what I am trying to explain, and hope to hear from people
> who
> already faced this issue in life networks.
>
>
> Regards.
> Amr Mahmoud
>
>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net