Re: Why do we need congestion control?
Emmanuel Lochin <[email protected]>
| Newsgroups | gmane.network.end2end |
|---|---|
| Message-ID | <[email protected]> |
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 > > > > -- > ------------------------------------------------------------------ > Detlef Bosau > Galileistraße 30 > 70565 Stuttgart Tel.: +49 711 5208031 > mobile: +49 172 6819937 > skype: detlef.bosau > ICQ: 566129673 > [email protected] http://www.detlef-bosau.de > -- Emmanuel Lochin Professeur ISAE - OSSI Institut Supérieur de l'Aéronautique et de l'Espace (ISAE) Issu du rapprochement SUPAERO et ENSICA 10 avenue Edouard Belin - BP 54032 - 31055 Toulouse cedex 4 Tel : 05 61 33 91 85 - Fax : 05 61 33 91 88 Web : http://personnel.isae.fr/emmanuel-lochin/ --- "This email and any attachments are confidential. They may contain legally privileged information or copyright material. You should not read, copy, use or disclose them without authorisation. If you are not an intended recipient, please contact us at once by return email and then delete both messages. We do not accept liability in connection with computer virus, data corruption, delay, interruption, unauthorised access or unauthorised amendment. This notice should not be removed"