Re: [dispatch] SIP and GSM/UMTS with OpenBTS
"DRAGE, Keith (Keith)" <keith.drage@alcatel-lucent.com> Thu, 13 February 2014 14:34 UTC
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From: "DRAGE, Keith (Keith)" <keith.drage@alcatel-lucent.com>
To: Harvind Samra <harvind@rangenetworks.com>, Ivo Sedlacek <ivo.sedlacek@ericsson.com>
Thread-Topic: [dispatch] SIP and GSM/UMTS with OpenBTS
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Date: Thu, 13 Feb 2014 14:34:15 +0000
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Cc: "dispatch@ietf.org" <dispatch@ietf.org>
Subject: Re: [dispatch] SIP and GSM/UMTS with OpenBTS
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Jumping in here, they are relevant in as much as there is no point in IETF working on this if there is no known market for it. Usually those type of projects are published only on April 1st. So all Ivo is asking is for you to justify that it is worth other people working on this as well as yourselves. Perhaps if you identified the spectrum you believe is available for use in the the countries identified, that would be useful. regards Keith Drage ________________________________ From: dispatch [mailto:dispatch-bounces@ietf.org] On Behalf Of Harvind Samra Sent: 13 February 2014 12:37 To: Ivo Sedlacek Cc: dispatch@ietf.org Subject: Re: [dispatch] SIP and GSM/UMTS with OpenBTS Hi Ivo, I have to ask...why are the questions regarding frequency licensing and economics relevant? This is a discussion regrading augmenting SIP. On Feb 13, 2014, at 2:06 AM, Ivo Sedlacek <ivo.sedlacek@ericsson.com<mailto:ivo.sedlacek@ericsson.com>> wrote: Hello Tim and all, if I understood the proposal correctly, in comparison to 3GPP architecture you propose: - UEs are unchanged - BTS - uses regular Um reference point towards UEs - has a new SIP based interface replacing ABis reference point - BSC, MSC, HSS, SM-SC, ... collapse into one functional entity "SAS/Asterisk/SMQueue". This new functional entity: - uses the new SIP based interface replacing ABis reference point towards BTS - uses another SIP based interface towards remote networks Can you please clarify what's the intended business case where the proposed solution is supposed to be superior over the existing 3GPP solution? E.g. can you please clarify whether you indent to specify a solution for: a) carriers with license to use the licensed GSM bands? b) individuals/corporates without license to use the licensed GSM bands? c) anyone else? The original mail suggested b) but then you referred to a) in your mail stating "But more typically carriers with spectrum licenses are looking for an economical way to get into rural areas." If a), such solution can be deployed anywhere where there are existing GSM bands in use. However, it will likely require implementation of the full 3GPP feature set which carriers offer today, including supporting regulator's requirements, support of handovers, integration with other operator subsystems (e.g. billing, operation & maintenance subsystems, ...). Or do you believe that some existing requirements are unnecessary for deployments in carrier networks? You seem to claim above that your proposal can be more economical than existing solution. Given that new protocol would need to be defined and functional entities newly developed and tested, I fail to see how this can be more economical than deployment of existing products which are already developed, tested, mass produced and mass deployed. Can you provide some numbers supporting your view? https://www.usenix.org/conference/nsdi13/technical-sessions/presentation/heimurl just proposes new functionality to be added, unrelated to any potential replacement of ABis reference point with SIP based interface. If b), then such solution can be deployed only in countries where there is no license needed. You list Sweden as one with UK and Netherlands with question marks. Also Antarctica was mentioned. Can you please provide a reference to regulators' document enabling usage of GSM bands without license in each of those countries? How will interferences be avoided if several individuals/corporates start using the same GSM band in the same location, particularly if each starts using power enabling "potential 20 mile radius even for a single cell"? Furthermore, even if all of Sweden, UK, Netherlands and Antarctica enable usage of GSM bands without license, this is still quite limited market. If the solution is limited only to those countries, even if the required feature set is smaller, there is little economies of scale. Kind regards Ivo Sedlacek This Communication is Confidential. We only send and receive email on the basis of the terms set out at www.ericsson.com/email_disclaimer<http://www.ericsson.com/email_disclaimer> _______________________________________________ dispatch mailing list dispatch@ietf.org<mailto:dispatch@ietf.org> https://www.ietf.org/mailman/listinfo/dispatch Harvind Samra Founder, CTO Range Networks San Francisco, CA ____________________________________________ Cellular networks made simple and affordable. http://www.rangenetworks.com<http://www.rangenetworks.com/> ____________________________________________
- [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Gullik Webjörn
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Paul Kyzivat
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Mary Barnes
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS tim panton
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Harvind Samra
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Makaraju, Maridi Raju (Raju)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS James Winterbottom
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Makaraju, Maridi Raju (Raju)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS James Winterbottom
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Mary Barnes
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Mary Barnes
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Dale R. Worley
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Gullik Webjörn
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Belling, Thomas (NSN - DE/Munich)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Cullen Jennings
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Kurtis Heimerl
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Kurtis Heimerl
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Dale R. Worley
- Re: [dispatch] [SPAM] Re: SIP and GSM/UMTS with O… Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ivo Sedlacek
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Harvind Samra
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ivo Sedlacek
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ivo Sedlacek
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ralph A. Schmid, dk5ras
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ivo Sedlacek
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jiri Kuthan
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ivo Sedlacek
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tim Panton new
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jiri Kuthan
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Mary Barnes
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Christer Holmberg
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Mary Barnes
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Dale R. Worley
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Dale R. Worley
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Kurtis Heimerl
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Kurtis Heimerl
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Christer Holmberg
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Ivo Sedlacek
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tom Taylor
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Belling, Thomas (NSN - DE/Munich)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Tom Taylor
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Dale R. Worley
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Dale R. Worley
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Kurtis Heimerl
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Kurtis Heimerl
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jim Forster
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Mary Barnes
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Paul Kyzivat
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Jiri Kuthan
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS DRAGE, Keith (Keith)
- Re: [dispatch] SIP and GSM/UMTS with OpenBTS Michael Hammer