[Bloat] Does VDSL interleaving+FEC help bufferbloat?

Jan Ceuleers jan.ceuleers at gmail.com
Fri Jan 4 12:52:43 EST 2019


On 04/01/2019 18:10, Dave Taht wrote:
> dsl interleave was added primarily to make multicast udp tv streams
> work better (as they are very intolerant of packet loss). Often (as in
> free's implementation) these streams are "invisible" to the overlying
> IP applications. It typically adds at least 6ms of delay to an already
> slow technology.
> 
> Do measure unloaded latency with and without it on, it's been a long
> time since I fiddled with it....

Interleaving isn't a parameter that mere end-users* can influence - it
is part of the line's profile, and that's determined by the network
operator.

*: you know, the people who pay the bills...



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