Re: [tcmtf] Community Neworks: any idea about them?
Julián Fernández-Navajas <navajas@unizar.es> Wed, 09 October 2013 10:01 UTC
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Date: Wed, 09 Oct 2013 12:01:22 +0200
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Subject: Re: [tcmtf] Community Neworks: any idea about them?
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Arjuna, I have been spoken to José about UDP-lite. It is a fine idea to consider the use of UDP-lite to TCM-TF. Thanks to Arjuna for the proposal. Julián El 08/10/2013 23:42, Arjuna Sathiaseelan escribió: > 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 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