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From: David Collier-Brown <davec-b@rogers.com>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] ipspace.net: "QUEUING MECHANISMS IN MODERN SWITCHES", > (Jonathan Morton)
Date: Thu, 29 May 2014 11:36:29 -0400	[thread overview]
Message-ID: <538753FD.9090406@rogers.com> (raw)
In-Reply-To: <CAJq5cE2f-jBYaeqQx_8EswGOgiM_CFim_uX0u9RqynL4=jwxNg@mail.gmail.com>

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On 05/29/2014 10:09 AM, Jonathan Morton wrote:
>
> On 28 May 2014 20:31, "David Collier-Brown" <davec-b@rogers.com
> <mailto:davec-b@rogers.com>> wrote:
> > A niggle: people working in queuing theory* make the simplifying
> > assumption that queues don't drop. When describing the real world, they
> > talk of "defections", the scenario where a human arrives at the tail of
> > the queue and "defects", either to another queue or to the exit door of
> > the store!
>
> I think my description of the black box is still valid: a "defection"
> must imply a second output from the box, otherwise it will appear as
> either a reordering (preserving the property) or a discard.
>
> - Jonathan Morton
>
Yes, I entirely agree: your black box is slightly larger than the usual
queuing box... which make your box think  "outside the box" (;-))

--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


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      reply	other threads:[~2014-05-29 15:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.45496.1401291224.1815.bloat@lists.bufferbloat.net>
2014-05-28 17:29 ` David Collier-Brown
2014-05-29  7:28   ` Neil Davies
2014-05-29 14:09   ` Jonathan Morton
2014-05-29 15:36     ` David Collier-Brown [this message]

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