Re: QoS for ADSL customers

[Kim Onnel <karim.adel () gmail com>]

Our ADSL customers traffic is 3 OC3 worth of traffic, I dont think our
management would buy the idea.

thanks

On 12/1/05, Ejay Hire <ejay.hire () isdn net> wrote:
> Hello.
>
> Going back to your original question, how to keep from
> saturating the network with residential users using
> bittorrent/edonkey et al, while suffocating business
> customers.  Here goes.
>
> Netfilter/IpTables (and a slew of commercial products I'm
> sure) has a Layer 7 traffic classifier, meaning it can
> identify specific file transfer applications and set a
> DiffServ bit.  This means it can tell between a real http
> request and a edonkey transfer, even if they are both using
> http.  It also has rate-limiting capability.  So... If you
> pass all of the traffic destined for your DSL customers
> through an iptables box (single point of failure) then you
> can classify and rate-limit the downstream rate on a
> per-application basis.
>
> Fwiw, if you are using diffserv bits, you could push the
> rate-limits down to the router with a qos policy in it
> instead of doing it all in the iptables box.
>
> References on this..  The netfilter website (for
> classification info) and the Linux advanced router tools
> (LART) (qos info/rate limiting)
>
> -e
>
>
> > -----Original Message-----
> > From: owner-nanog () merit edu [mailto:owner-nanog () merit edu]
> On
> > Behalf Of Kim Onnel
> > Sent: Thursday, December 01, 2005 3:26 AM
> > To: NANGO
> > Subject: Re: QoS for ADSL customers
> >
> > Can any one please suggest to me any commercial or none
> > solution to cap the download stream traffic, our upstream
> > will not recieve marked traffic from us, so what can be
> done ?
> > On 11/29/05, Kim Onnel <karim.adel () gmail com> wrote:
> >
> >       Hello everyone,
> >
> >       We have Juniper ERX as BRAS for ADSL, its GigE
> > interface is on an old Cisco 3508 switch with an old IOS,
> its
> > gateway to the internet is a 7609, our transit internet
> links
> > terminate on GigaE, Flexwan on the 7600
> >
> >       The links are now almost always fully utilized, we
> want
> > to do some QoS to cap our ADSL downstream, to give room
> for
> > the Corp. customers traffic to flow without pain.
> >
> >       I'm here to collect ideas, comments, advises and
> > experiences for such situations.
> >
> >       Our humble approach was to collect some p2p ports
> and
> > police traffic to these ports, but the traffic wasnt much,
>
> > one other thing is rate-limiting per ADSL customers IPs,
> but
> > that wasnt supported by management, so we thought of
> matching
> > ADSL www traffic and doing exceed action is transmit, and
> > police other IP traffic.
> >
> >       Doing so on the ERX wasnt a nice experience, so
> we're
> > trying to do it on the cisco.
> >
> >       Thanks