[BBLISA] slow wan link

Bill Bogstad bogstad at pobox.com
Fri Jun 8 14:37:06 EDT 2012


On Fri, Jun 8, 2012 at 8:35 AM, Edward Ned Harvey <bblisa4 at nedharvey.com> wrote:
>> From: Bill Bogstad [mailto:bogstad at pobox.com]
>> Sent: Thursday, June 07, 2012 11:35 AM
>>
>> I'm going to have to disagree with this.   A congested link SHOULD
>> drop TCP packets so that congestion control knows to slow down.
>> It's actually this thinking which results in deploying equipment and
>> software that creates buffer bloat.
>
> What are you calling buffer bloat?

I'm (attempting) to use the term as I understand Jim Getty does.   He
coined the term in 2010 on his blog:

http://gettys.wordpress.com/2010/12/03/introducing-the-criminal-mastermind-bufferbloat/

If you aren't familiar with ongoing work on this issue, you shouldn't
have trouble finding information about it.   This recent CACM article
by Jim Gettys and Kathleen Nichols might be a good place to start:

http://cacm.acm.org/magazines/2012/1/144810-bufferbloat/fulltext

In addition, the Linux 3.3 kernel has new code in it to attempt to
start dealing with the problem.  I'm not going to respond to the rest
of your note until you let me know that I'm using the term incorrectly
or that it isn't relevant to a discussion about whether networks
should ever drop packets.

Thanks,
Bill Bogstad



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