[GTALUG] Wireless router -- which one?

David Collier-Brown davec-b at rogers.com
Mon Aug 22 14:49:58 EDT 2016


On 22/08/16 02:05 PM, James Knott via talk wrote:
> On 08/22/2016 01:37 PM, David Collier-Brown via talk wrote:
>> Bufferbloat happens where a slower link meets a faster one, and the
>> symptoms are indeed insane latency when doing anything that has to
>> pass through the same buffer as a bulk transfer.
> TCP should detect the slow transfer and back down the transmit rate.
> When buffers overflow, they're supposed to drop packets.
>
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*We* know that, but people doing routers don't. They coded to never drop 
packets, and added massive buffering to support that. Net result? They 
broke TCP.

--dave

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

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