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From: David Collier-Brown <davec-b@rogers.com>
To: bloat@lists.bufferbloat.net, Dave Taht <dave.taht@gmail.com>
Subject: [Bloat] Sidebar on s-curves
Date: Thu, 27 Oct 2016 13:56:00 -0400	[thread overview]
Message-ID: <43e779f2-5bff-ad4c-8e7f-6b339a7f0123@rogers.com> (raw)
In-Reply-To: <CAA93jw7ret3FGXG=QxweHB+5XZiwmuzOuoyRgm6jSLpBtyGhZw@mail.gmail.com>

On 27/10/16 12:56 PM, Dave Taht wrote:
> When you are on one side of an S curve, it's hard to see where it flattens out.
>
> I've been meaning to research and write a piece called "have we
> reached 'Peak Bandwidth'"? for a while now.
>
> My thesis is that what users actually want is short RTTs for
> interactive, once basic bandwidth needs are slaked, which starts to
> happen once you crack the largest typical load (which these days is 4k
> video streaming).
>
> gbit fiber is *way* on the unneeded side of the demand curve for home users.
>
It's not an s-curve, but Neil Gunther had done some very interesting 
work on load/throughput curves, specifically including predicting the 
drop-off after reaching 100%. Look for the Universal Scalability Law.

http://www.perfdynamics.com/Manifesto/USLscalability.html

I suspect it might be a variant of the same problem.

--dave

-- 
David Collier-Brown,         | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
davecb@spamcop.net           |                      -- Mark Twain


  reply	other threads:[~2016-10-27 17:56 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-22 21:56 [Bloat] 22 seconds til bloat on gfiber? Dave Taht
2016-10-22 23:52 ` Jonathan Morton
2016-10-23  1:33   ` jb
2016-10-23  1:45     ` Dave Taht
2016-10-23  1:47       ` Dave Taht
2016-10-23  2:27         ` jb
     [not found]           ` <CAJq5cE3DsV9v6ATVeq+vF_kVFjKy+8Qjwe-P01ZZbyKZB9HC6w@mail.gmail.com>
2016-10-23  8:29             ` Jonathan Morton
2016-10-23  9:23               ` jb
2016-10-23 16:14                 ` Klatsky, Carl
2016-10-24  0:46                   ` jb
2016-10-24 13:13                     ` Klatsky, Carl
2016-10-24 16:11                       ` Noah Causin
2016-10-24 20:27                         ` Klatsky, Carl
2016-10-23  2:30         ` Benjamin Cronce
2016-10-25  7:10   ` Jonas Mårtensson
2016-10-23  5:50 ` Mikael Abrahamsson
2016-10-24 16:57   ` Jonas Mårtensson
2016-10-24 22:10     ` Benjamin Cronce
2016-10-25  0:09       ` jb
2016-10-25 12:01         ` Benjamin Cronce
2016-10-25 13:11         ` Klatsky, Carl
2016-10-25 21:20           ` jb
2016-10-26  0:02             ` Klatsky, Carl
2016-10-25 15:59       ` Jan Ceuleers
2016-10-26  1:05         ` Benjamin Cronce
2016-10-26 14:49           ` Jan Ceuleers
2016-10-26 15:36             ` Mikael Abrahamsson
2016-10-27 14:32               ` Jonas Mårtensson
2016-10-27 16:56                 ` Dave Taht
2016-10-27 17:56                   ` David Collier-Brown [this message]
2016-10-27 19:30                   ` David Lang
2016-10-27 19:41                     ` Dave Taht
2016-10-27 19:48                       ` Aaron Wood
2016-10-28 15:51                         ` Jan Ceuleers
2016-10-28 15:55                           ` Klatsky, Carl
2016-10-27 19:45                     ` Aaron Wood
2016-10-27 20:17                   ` Mikael Abrahamsson
2016-12-07  5:40                     ` Jonathan Morton
2016-12-07  7:05                       ` Mikael Abrahamsson

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