Hi, On 2013-11-20, at 12:15, Jose Saldana <[email protected]> wrote: > - a satellite connection used for providing connectivity in a non-connected > area during a short period of time (e.g. journalists covering the arrival of > a mountain stage of a cycling competition).
where does this scenario have multiple L3 hops involved? The bottleneck link is the satellite hop. > - an air-to-ground connection providing Internet connectivity to the > passengers of an aircraft, multiplexing a number of simultaneous VoIP flows. Ditto, the bottleneck here is air-to-ground. Lars > Regarding these other two scenarios, perhaps TCM-TF would only be > interesting when there is a community network in which packets have to > traverse a (frequently high) number of hops: > > - a wireless Internet connection shared by a number of people in a place > with low Internet penetration > - a community network, in which a number of people in the same geographical > place share their connections in a cooperative way > > For example, in this scenario a community network with a high number of hops > is considered: http://www.guifi.net/en/guifi_zones. There is also a paper > about the topology of community networks: "On the topology characterization > of Guifi.net" http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6379103 > > Thanks for your feedback! > > Jose > > -----Mensaje original----- > De: tcmtf [mailto:[email protected]] En nombre de Eggert, Lars > Enviado el: miércoles, 20 de noviembre de 2013 17:20 > Para: [email protected] > CC: [email protected]; Martin Stiemerling; [email protected] > Asunto: Re: [tcmtf] Improvements in the TCM-TF charter draft v8 > > Hi, > > On 2013-11-20, at 10:24, Jose Saldana <[email protected]> wrote: >> But if you want to use it in more than a single hop, ROHC has to be >> tunneled, and you lose the savings achieved by compression. So the >> idea is that a number of packets (multiplexed) share the tunnel overhead. > > several of the scenarios you describe for TCM-TF seem to be fully addressed > by ROHC, i.e., do not seem to have multiple L3 hops that require creation of > a tunnel. > > It would be good to explicitly limit yourself to describing scenarios that > do have that requirement. > > Lars >
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