[e2e] Why do we need congestion control?

[Emmanuel Lochin]

On 07/03/2013 10:15, Detlef Bosau wrote:
>
> In addition to erasure codes:
>
> TCP provides /reliable/ transport.
>
> In the general case, you neither know your corruption ratio nor your 
> drop ratio. So you cannot really determine a necessary "code 
> strength", as you cannot predict the necessary attempts of 
> retransmissions.
>
> The game erasure codes vs. retransmissions seems like running in a 
> vicious circle to me.
Hi Detlef

Both are complementary for me : you are faster with ARQ over small RTT 
and faster with erasure coding over long-delay link.

EL

>
>
>
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-- 
Emmanuel Lochin
Professeur ISAE - OSSI
Institut Supérieur de l'Aéronautique et de l'Espace (ISAE)
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