From Facebook's Hackathon, TCP re-implemented over chat in a post-SOPA world

[J.A. Terranson]

On Sun, 4 Dec 2011, Eugen Leitl wrote:

<Huge Snip> 
> Just pumping the packets was the first challenge which we finished around
> 2am. The second obstacle was that facebook decides to drop about 50% of our
> packets after the first 15, so we then implemented a crude TCP style
> acknowledgement/handshake method that ensures each packet gets delivered.
> Implementing TCP inside of TCP... as meta as you get.

If they are willing to go through all of the trouble of reimplementation, 
wouldn't it have made a LOT more sense to implement GRE rather than TCP, 
then just pump whatever they wanted through the GRE tunnel in whatever 
protocol they wanted?

//Alif

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