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From: Jonathan Morton <chromatix99@gmail.com>
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To: Albert Rafetseder <albert.rafetseder+bufferbloat@univie.ac.at>
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Subject: Re: [Bloat] "a bandwidth breakthrough"
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>> I'm actually sort of surprised that the inter-packet version isn't =
already built into wireless technologies by default, especially the ones =
that do packet aggregation.  In any case it is not totally new - a very =
similar idea is used in CDs.
>=20
> In the case of the four Austrian 3.99G mobile operators we tested,
> the fun answer is that they completely conceal loss on layer 2. As
> a side effect, they delay packets by sometimes huge amounts: Waiting
> for an ICMP echo reply can take a few hundred seconds (!), think
> trains in tunnels, but packets do arrive eventually.

But that's not FEC, it's ARQ.  And that's precisely why FEC can be =
better than ARQ.

 - Jonathan Morton