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John, doesn't HTTP generally run over TCP? What happens when the
router randomly start dropping packets for a TCP connection? Or a
little less orthodox: What happens if the router starts to duplicate
ACKs? (<a
href="http://en.wikipedia.org/wiki/TCP_congestion_avoidance_algorithm">Hint</a>)<br>
<br>
However, the best solution is probably just to buy more bandwidth.<br>
<br>
<div class="moz-cite-prefix">On 9/23/2013 5:43 PM, Jake wrote:<br>
</div>
<blockquote
cite="mid:alpine.BSF.2.00.1309231643420.77191@pe2950.spaz.org"
type="cite">hey man just because you can't do it doesn't mean it
can't be done.
<br>
<br>
On Mon, 23 Sep 2013, John Adams wrote:
<br>
<br>
<blockquote type="cite">It's downright impossible to implement
traffic shaping when the traffic is asymmetrically loaded and
you do not
<br>
control the other end of the link. You can reserve uplink
bandwidth but look at how the problem plays out with HTTP
<br>
requests.
<br>
You make a tiny, 30 byte request that results in a flood of
return traffic. If you attempt to shape traffic in the
<br>
customer-side router, you can't shape it because you've already
saturated the inbound pipe.
<br>
<br>
We experience this problem all the time at DNA lounge. Some
joker saturates the inbound pipe and our best defense
<br>
becomes 'ban his mac address from dhcp'. I've seen
many recipes for PF that claim to do this but it's generally
<br>
hopeless.
<br>
<br>
-j
<br>
<br>
<br>
<br>
On Mon, Sep 23, 2013 at 11:43 AM, Nicholas LoCicero
<a class="moz-txt-link-rfc2396E" href="mailto:nick.locicero@gmail.com"><nick.locicero@gmail.com></a> wrote:
<br>
<br>
I was there as well, but didn't notice any slow internet.
Do you think it could be the ISP?
<br>
<br>
On Sep 23, 2013 6:45 AM, "Romy Snowyla"
<a class="moz-txt-link-rfc2396E" href="mailto:romy@snowyla.com"><romy@snowyla.com></a> wrote:
<br>
I was at Noisebridge Saturday evening and verify yes
it was very slow
<br>
<br>
Sent from my iPhone
<br>
<br>
> On Sep 22, 2013, at 6:18 PM, Jake
<a class="moz-txt-link-rfc2396E" href="mailto:jake@spaz.org"><jake@spaz.org></a> wrote:
<br>
>
<br>
> how do you find out what is using up all the
bandwidth, and block it?
<br>
>
<br>
> the internet is unusably slow. If noisebridge
doesn't have tools, materials or even
<br>
internet connectivity, what are we doing?
<br>
>
<br>
> assuming nobody wants to tell me how to poke
into the innards of our traffic routing, maybe
<br>
someone can implement traffic shaping so that no one
can use so much bandwidth that everyone
<br>
else is shut out?
<br>
>
<br>
> -jake
<br>
>
<br>
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