Re: [tcmtf] Community Neworks: any idea about them?
Arjuna Sathiaseelan <arjuna@erg.abdn.ac.uk> Tue, 08 October 2013 21:48 UTC
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Date: Tue, 08 Oct 2013 22:42:41 +0100
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From: Arjuna Sathiaseelan <arjuna@erg.abdn.ac.uk>
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Subject: Re: [tcmtf] Community Neworks: any idea about them?
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Hello Jose, Any method that utilises the low bandwidth infrastructure more efficiently is definitely useful. Just a digression: have you considered the use of UDP-lite for TCM-TF? Regards Arjuna On 8 October 2013 12:44, Jose Saldana <jsaldana@unizar.es> wrote: > Hi, Arjuna, > > The idea of multipath TCP sounds interesting. It consists of "inverse > multiplexing" with TCP. However, TCM-TF does "multiplexing" with UDP. > > What I was thinking is: can these scenarios also fit with TCM-TF? The idea > is to compress small-packet flows (VoIP, online games) in order to save > bandwidth, when a number of flows share a common path. We have discarded the > multiplexing of TCP, because the additional delay may modify the dynamics of > TCP. > > TCM-TF combines header compression, multiplexing and tunneling, in order to > aggregate a number of flows, when a low-bandwidth link is in the path. Thus, > bandwidth can be saved and pps can be reduced, at the cost of processing > power. > > Do you think this case can be found in these kind of networks? In the > discussion of TCM-TF in Berlin this summer, some people from Africa were > interested, since they think that low-bandwidth links have to be better > used. > > Thanks! > > Jose > >> -----Mensaje original----- >> De: tcmtf-bounces@ietf.org [mailto:tcmtf-bounces@ietf.org] En nombre de >> Arjuna Sathiaseelan >> Enviado el: martes, 08 de octubre de 2013 11:42 >> Para: jsaldana@unizar.es >> CC: tcmtf@ietf.org; tsv-area@ietf.org >> Asunto: Re: [tcmtf] Community Neworks: any idea about them? >> >> Dear Jose, >> I would like to take this opportunity to present some of the work we are >> doing here at Cambridge - >> >> We are trying to solve the universal service problem in urban areas (where >> people cannot afford to access the Internet) using existing home broadband >> networks - home owners who have Internet connections share their >> Internet connection for free with those who dont have. >> >> We are currently doing deployments in a deprived area in Nottingham ( see >> www.publicaccesswifi.org ) >> >> More on the LCDNet initiative is here: >> http://www.cl.cam.ac.uk/~as2330/lcd/index.html >> >> There are interesting possibilities to do multi-path TCP between > aggregating >> multiple access points and we are exploring that option too. >> >> The TIER group in berkeley have done quite a lot of nice work with > wireless >> for developing countries: >> tier.cs.berkeley.edu/ >> >> Happy to discuss more :) >> >> Regards >> Arjuna >> >> On 8 October 2013 10:24, Jose Saldana <jsaldana@unizar.es> wrote: >> > Hi all. >> > >> > >> > >> > I have recently "discovered" the concept of Community Networks. They >> > are "large scale, self-organized and decentralized networks, built and >> > operated by citizens for citizens." They are "also self-owned and >> > self-managed by community members, self-growing in links, capacity and >> services provided." >> > >> > >> > >> > A paper explaining them can be found here: >> > http://www.sigcomm.org/ccr/papers/2013/July/2500098.2500108 >> > >> > >> > >> > Some examples: >> > >> > http://funkfeuer.at/ >> > >> > https://wlan-si.net/ >> > >> > http://www.bogota-mesh.org/en >> > >> > >> > >> > I would like to know your opinion about this: >> > >> > >> > >> > do you think this is a good idea? >> > >> > >> > >> > Can they be a good place for developing experiments? >> > >> > >> > >> > I think this can be a good solution for developing countries. >> > >> > >> > >> > In addition, regarding TCM-TF, can they be a new scenario where >> > traffic optimization could be interesting? I mean, they do not have >> > too much bandwidth, and they connect to the Internet through a single >> > link in many cases (a bottleneck). One of the services considered is > VoIP. >> > >> > >> > >> > Thanks a lot! >> > >> > >> > >> > Jose >> > >> > >> _______________________________________________ >> tcmtf mailing list >> tcmtf@ietf.org >> https://www.ietf.org/mailman/listinfo/tcmtf >
- [tcmtf] Community Neworks: any idea about them? Jose Saldana
- Re: [tcmtf] Community Neworks: any idea about the… Guangqing Deng
- Re: [tcmtf] Community Neworks: any idea about the… Arjuna Sathiaseelan
- Re: [tcmtf] Community Neworks: any idea about the… Arjuna Sathiaseelan
- Re: [tcmtf] Community Neworks: any idea about the… Jose Saldana
- Re: [tcmtf] Community Neworks: any idea about the… Arjuna Sathiaseelan
- Re: [tcmtf] Community Neworks: any idea about the… Julián Fernández-Navajas
- Re: [tcmtf] Community Neworks: any idea about the… Jose Saldana
- Re: [tcmtf] Community Neworks: any idea about the… Scott Brim
- Re: [tcmtf] Community Neworks: any idea about the… l.wood
- Re: [tcmtf] Community Neworks: any idea about the… Mirko Sužnjević
- Re: [tcmtf] Community Neworks: any idea about the… Jose Saldana
- Re: [tcmtf] Community Neworks: any idea about the… Jose Saldana