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PhysicsPhysicsPosted Dec 12, 2011 12:47 UTC (Mon) by ekj (guest, #1524)In reply to: Physics by jlokier Parent article: Bufferbloat: Dark Buffers in the Internet (ACM Queue)
That's a bug. A packet is always either in-transit, being processed by a device, or being stored in a buffer for later processing and/or later sending.
The only way you can get 1+ seconds on local short-distance links, is by having the packet spend the huge majority of that time stored in some buffer. Which is a bug.
You want a sufficient bug that short term spikyness of packet-arrival does not needlessly cause lost packets when transmission a few milliseconds later would be preferable.
But 5 seconds, or even 1 second, worth of buffering is *way* too much, sure we can debate if you want 25ms or 250ms worth of buffering, and the answer is surely "it depends", but there's just no way 5 *seconds* worth of buffering can avoid causing an order of magnitude more problems than it solves.
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