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From: john thompson <empath@gmail.com>
To: "George B." <georgeb@gmail.com>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] What is fairness, anyway? was: Re: finally... winning on wired!
Date: Sat, 4 Feb 2012 21:05:41 -0500	[thread overview]
Message-ID: <CA+PQBWJRFS+pg9MLGZ49aUWyo72HTL_zSOKoLwbdj0J45U_oyw@mail.gmail.com> (raw)
In-Reply-To: <CAJ2iOjSmEG84DTKTurh_fKVWEmdKuUDL8jN=YKYhyEvMCXWFKg@mail.gmail.com>

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Some firewalls (like sonicwall enhanced) can slow down acks to traffic
shape inbound traffic.  It's not perfect, but it's often better than
nothing.

Most business-class ISP's should offer QOS in both directions.  We
certainly do for our T-1 or better customers.

(sorry, I meant this to be a reply all)

On Sat, Feb 4, 2012 at 8:57 PM, George B. <georgeb@gmail.com> wrote:

> On Sat, Feb 4, 2012 at 4:43 PM, Jonathan Morton <chromatix99@gmail.com>
> wrote:
>
> > There are two good things you can do.
> >
> > 1) Pressure your ISP to implement managed queueing and ECN at the
> head-end device, eg. DSLAM or cell-tower, and preferably at other
> vulnerable points in their network too.
>
> Well, if they have a Cisco network, that might work.  Few other
> network gear vendors actively support ECN.
>
> > 2) Implement TCP *receive* window management.  This prevents the TCP
> algorithm on the sending side from attempting to find the size of the
> queues in the network.  Search the list archives for "Blackpool" to see my
> take on this technique in the form of a kernel patch.  More sophisticated
> algorithms are doubtless possible.
>
> Probably not something I want to use in production.
>
> Thanks, Johnathan.   Now yet another question:
>
> Two different server configurations (these are real life examples, by the
> way):
>
> 1.  eth0 and eth1 bound as bond0 with vlans hanging off of them.
> Where to put the qdisc?  On the bond interface?  On the Ethernet
> interfaces?  On the vlan interfaces?
>
> 2.  eth0 and eth1 have vlan interfaces attached as eth0.10, eth1.10
> and eth0.20, eth1.20.  Those are bound to bond interfaces, bond10 and
> bond20.  Same question, where best to apply the qdisc.
>
> George
> _______________________________________________
> Bloat mailing list
> Bloat@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat
>



-- 
“The world is not comprehensible, but it is embraceable.”

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  reply	other threads:[~2012-02-05  2:05 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-02  0:40 [Bloat] " Dave Taht
2012-01-02  5:22 ` Eric Dumazet
2012-01-02  8:07   ` Dave Taht
2012-01-02 21:31     ` Dave Taht
2012-01-02 22:14       ` Albert Rafetseder
2012-01-02 22:33         ` Dave Taht
2012-01-04 15:25       ` [Bloat] What is fairness, anyway? was: " Jim Gettys
2012-01-04 16:16         ` Dave Taht
2012-01-04 17:23           ` Jim Gettys
2012-01-04 17:36           ` Justin McCann
2012-01-04 17:40             ` Eric Dumazet
     [not found]             ` <CAFkTFa89mOmbcOV1PWX3my04rK4NsEvyakcQV2j54qa0gzAViQ@mail.g mail.com>
2012-01-05 17:52               ` Bob Briscoe
2012-01-06 17:42                 ` Jim Gettys
2012-01-06 18:09                   ` Dave Taht
2012-01-06 19:57                   ` Eric Dumazet
2012-01-06 20:34                 ` Jonathan Morton
2012-01-07 19:42                   ` Bob Briscoe
2012-01-07 22:16                     ` Wesley Eddy
2012-01-08  0:40                 ` Dave Taht
     [not found]                   ` <CAA93jw7xKwdUeT7wFNoiM8RQp1--==Eazdo0ucc44vz+L1U06g@mail.g mail.com>
2012-01-09  5:38                     ` Bob Briscoe
2012-01-11  7:26                       ` Dave Taht
     [not found]                         ` <CAA93jw4KJdYwrAuk7-yHDYCGBh1s6mE47eAYu2_LRfY45-qZ2g@mail.g mail.com>
2012-01-14 11:06                           ` Bob Briscoe
2012-01-13 21:45                   ` Dan Siemon
2012-01-14 15:55                     ` Dave Taht
2012-01-04 16:22         ` Eric Dumazet
2012-02-05  0:24         ` George B.
2012-02-05  0:43           ` Jonathan Morton
2012-02-05  1:57             ` George B.
2012-02-05  2:05               ` john thompson [this message]
2012-02-05  7:39             ` Eric Dumazet
     [not found]               ` <CAA93jw68yntHkhETQ1a9-Azu7UXEuU9f5fgOsB25hvA240iApg@mail.gmail.com>
2012-02-05 14:24                 ` Dave Taht
2012-02-05 17:53               ` Justin McCann
2012-02-05 18:21                 ` Eric Dumazet
2012-01-14 16:35 Jesper Dangaard Brouer
2012-01-15  9:49 ` Dave Taht

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