Articles about bufferbloat

Remember Bufferbloat? It’s a subject I was among the first to write about a decade ago, starting with a prediction column just like this one in 2011. The problem at the time was that every video or audio application -- the big bandwidth consumers -- was trying to solve performance issues through pre-buffering. You’d launch Netflix (just one example -- they all did it) and it would pause for a few seconds filling a huge buffer intended to smooth-out any playing glitches. Except performance didn’t improve and in fact got worse because of buffers buffering buffers. These extra buffers were defeating TCP/IP’s own flow control mechanisms, often leading to total failure of the connection. Jim Gettys from Bell Labs called it Bufferbloat, then Jim and Dave Taht spent the next three years or so fixing the problem, or so they thought.

Well Bufferbloat is back.

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