From: "Dave Täht" <dave@taht.net>
To: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] I have a new record for bloat
Date: Fri, 31 Mar 2017 21:05:40 -0700 [thread overview]
Message-ID: <48309bca-99bc-737e-7440-198f11d9fe01@taht.net> (raw)
In-Reply-To: <1198438634.8472041.1490998044375@mail.yahoo.com>
On 3/31/17 3:07 PM, Alex Burr wrote:
>
>
>
>
> On Saturday, February 11, 2017 9:05 AM, Neil Davies <neil.davies@pnsol.com> wrote:
>
>
>> The same mindset that created these sort of performance artefacts is also driving changes in DSL
>> standards, so watch out for these sort of artefacts (again induced by things that you have no direct
>> control over) starting to occur in “high speed” DSL systems (such as VDSL) when conditions are less
>
>> than perfect.
>
> Are you referring to G.998.4? That's supposed to introduce a max of 63ms delay. But it's been a while since I was involved in DSL, so maybe it's something new...
It's not the encoding, it's the queuing. Unless they also adopt
something like "bql" in their ring buffers in their firmware, and
something like fq_codel slightly above that, under distant conditions or
when rate limited by the provider, they new stuff will bloat up.
>
> Alex
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> https://lists.bufferbloat.net/listinfo/bloat
>
prev parent reply other threads:[~2017-04-01 4:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-31 20:02 Aaron Wood
2017-01-31 20:13 ` Dave Taht
2017-01-31 20:22 ` Dave Taht
2017-01-31 20:30 ` Toke Høiland-Jørgensen
2017-01-31 20:42 ` Jim Gettys
2017-02-11 9:04 ` Neil Davies
2017-02-11 18:24 ` Dave Taht
2017-03-31 22:07 ` Alex Burr
2017-04-01 4:05 ` Dave Täht [this message]
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