[157487] in North American Network Operators' Group
Re: Coded TCP
daemon@ATHENA.MIT.EDU (George Herbert)
Wed Oct 24 00:36:07 2012
In-Reply-To: <87A8B2E4B2A14323A033151E2C9FAC87@owner59e1f1502>
From: George Herbert <george.herbert@gmail.com>
Date: Tue, 23 Oct 2012 21:35:24 -0700
To: Michael Painter <tvhawaii@shaka.com>
Cc: "<nanog@nanog.org>" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
I understand and believe in the value of erasure coding, though I want to se=
e the latency effects here. But that model was very detailed view into an o=
verly simple (to the point of operationally unrealistic) model. Bad example=
, for a research paper.
George William Herbert
Sent from my iPhone
On Oct 23, 2012, at 8:57 PM, "Michael Painter" <tvhawaii@shaka.com> wrote:
> George Herbert wrote:
>> Modeled with just simple FTP sessions?
>>=20
>> Ugh: they admitted to having MIT backbone packet traces to analyze, and t=
hen used that simple of a simulator...
>=20
>=20
> The practical benefits of the technology, known as coded TCP, were seen on=
a recent test run on a New York-to-Boston Acela train, notorious for poor c=
onnectivity. By increasing their available bandwidth-the amount of data that=
can be relayed in a given period of time-Medard and students were able to w=
atch blip-free YouTube videos while some other passengers struggled to get o=
nline. "They were asking us 'How did you do that?' and we said 'We're engine=
ers!' " she jokes.
>=20
> More here:
> http://www.technologyreview.com/news/429722/a-bandwidth-breakthrough/?utm_=
campaign=3Dnewsletters&utm_source=3Dnewsletter-daily-all&utm_medium=3Demail&=
utm_content=3D20121023=20
>=20
