Re: [DMM] Mobility Exposure and Selection WT call
Alexandru Petrescu <alexandru.petrescu@gmail.com> Thu, 26 March 2015 18:01 UTC
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Date: Thu, 26 Mar 2015 13:00:51 -0500
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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References: <A730EA79-F6CF-49CD-9933-9FDA4AA75541@yegin.org> <556A06B1-A71C-45DC-A5FB-66CC8ECF47B8@yegin.org> <223129BA-541E-4C56-9364-6C2B8A5A1D3B@yegin.org> <29DDE580-C9A3-4825-8C0B-CF6844438BEC@yegin.org> <54DB49BF.9090702@gmail.com> <4238F47D-1284-46D3-AF61-F173E4A3BDBE@yegin.org> <54E5A34C.2030106@gmail.com> <75DD1093-4761-4E0C-A5B9-1A1A96D850CE@yegin.org> <54E60579.5090401@gmail.com>
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Subject: Re: [DMM] Mobility Exposure and Selection WT call
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Le 19/02/2015 10:47, Alexandru Petrescu a écrit : > Le 19/02/2015 16:30, Alper Yegin a écrit : >>>> >>>> This is source address selection, hence multicast address is out-of >>>> picture. Unicast vs anycast distinction is orthogonal to mobility >>>> type of the address. >>>> >>>>> - MAC-based, random-based (RFC7217). >>>> >>>> Orthogonal. >>> >>> ? One wouldn't want her 'fixed' address (not the 'sustained', not >>> the 'nomadic') be a random-based address RFC7217. That RFC's abstract >>> says: >>>> This document specifies a method for generating IPv6 Interface >>>> Identifiers to be used with IPv6 Stateless Address Autoconfiguration >>>> (SLAAC), such that an IPv6 address configured using this method is >>>> stable within each subnet, but the corresponding Interface >>>> Identifier changes when the host moves from one network to another. >>> >>> >> >> When using the "fixed" IP address, the host stays connected to the same >> (logical/home) network at all times, anyways. >> Hence, by the above definition, there's no reason to change the >> interface ID. > > I thought by "fixed" you meant it stays the same wherever the Host goes > (something like the Home Address). Alper - I think a LL address can also be qualified as 'fixed' - it never changes. I think it's hard to disagree with that, no? Alex > > So, I guess, I should have referred to the "nomadic" address to mean the > one that is constant, wherever the Host goes. > > As such, my suggestion is that a "nomadic" address can never be an > RFC7217 address. > > In practice that would mean that if you configure an address to be > "nomadic" you must also tell the kernel to not run RFC7217 on it. > > But ok, one might think that these two aspects ("nomadic" and RFC7217) > are orthogonal at this point in time. > > Alex > >> >> I don't know if it makes sense to request a fixed and random-based IP >> address. But if someone does it, it works. > > >> >> Alper >> >> >> >> >>>>> - configured by SLAAC, by DHCPv6, by PPP, or registered (RFC >>>>> 6775). >>>>> >>>> >>>> Orthogonal. >>>> >>>> >>>>> E.g. a nomadic address could never be a link-local address. >>>>> >>>>>> #2. Describe how IP address type information is conveyed from >>>>>> network to MN. >>>>> >>>>> If one designs a protocol to convey address type information from >>>>> the network to the end node, then one could also add the other >>>>> types mentioned above. >>>>> >>>>> SLAAC could never 'convey' the address type to the end-node, >>>>> because SLAAC is an operation happening with as heavy weight from >>>>> the Server (router) as from the Client (Host): the Router decides >>>>> the prefix but the Client decides the Interface ID. >>>>> >>>> >>>> Still, the network can convey the type of IP address to the host. >>>> Also, one can imagine augmenting Router Solicitation to let the host >>>> convey its requested type. >>> >>> I agree. >>> >>> Alex >>> >>> >>>>> Address Registration Option of 6lo and BTLE would have the Host >>>>> conveying this information to the Router (and not vice-versa). >>>>> >>>> >>>> OK. >>>> >>>> Alper >>>> >>>> >>>>> Yours, >>>>> >>>>> Alex >>>>> >>>>>> WT agreed to use draft-yegin-dmm-ondemand-mobility as the >>>>>> baseline for item#1 (the API). A revision of the draft will also >>>>>> include a new section to cover backward compatibility (Danny will >>>>>> provide the draft text). Comments on the draft are welcome. >>>>>> >>>>>> The next call will be about items #2/#3 (IP address >>>>>> configuration enhancements associated with the API). We intend to >>>>>> schedule that one in about 2 weeks. >>>>>> >>>>>> Alper >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Feb 9, 2015, at 9:59 AM, Alper Yegin wrote: >>>>>> >>>>>>> Folks, >>>>>>> >>>>>>> See below for the Webex details. Remember, the call is on Tue, >>>>>>> Feb 10, at 4pm CET. And don't forget to read the documents in >>>>>>> the reading list prior to the call. >>>>>>> >>>>>>>> Attendees _shall read _the following material before the call >>>>>>>> so that we can directly jump to the discussions: >>>>>>>> >>>>>>>> 1. >>>>>>>> http://www.ietf.org/proceedings/91/slides/slides-91-dmm-4.pdf >>>>>>>> >>>>>>>> >>> 2. http://www.ietf.org/proceedings/90/slides/slides-90-dmm-6.pdf >>>>>>>> 3. >>>>>>>> https://datatracker.ietf.org/doc/draft-yegin-dmm-ondemand-mobility/ >>>>>>>> >>>>>>>> >>> 4. http://www.ietf.org/proceedings/88/slides/slides-88-dmm-8.pdf >>>>>>>> 5. http://tools.ietf.org/html/draft-liu-dmm-mobility-api-02 >>>>>>> >>>>>>> >>>>>>> >>>>>>> Alper >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> *DMM - Mobility Exposure and Selection WT* Tuesday 10 February >>>>>>> 2015 16:00 | Europe Time (Paris, GMT+01:00) | 1 hr 30 min >>>>>>> >>>>>>>> *Join WebEx meeting* >>>>>>>> <https://ietf.webex.com/ietf/j.php?MTID=m1dad9871a277ff2ab142ae8ff4b77ad3> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>> Meeting number:641 085 326 >>>>>>>> Meeting password:dmm1911 >>>>>>>> >>>>>>>> *Join by phone* *1-877-668-4493* Call-in toll free number >>>>>>>> (US/Canada) *1-650-479-3208* Call-in toll number (US/Canada) >>>>>>>> Access code: 641 085 326 Toll-free calling restrictions >>>>>>>> <http://www.webex.com/pdf/tollfree_restrictions.pdf> >>>>>>>> >>>>>>>> Add this meeting >>>>>>>> <https://ietf.webex.com/ietf/j.php?MTID=m0855d524ccb7239248d0ce34e19f38c8> >>>>>>>> >>>>>>>> to your calendar. >>>>>>>> >>>>>>>> Can't join the meeting? Contact support. >>>>>>>> <https://ietf.webex.com/ietf/mc> >>>>>>>> >>>>>>>> IMPORTANT NOTICE: Please note that this WebEx service allows >>>>>>>> audio and other information sent during the session to be >>>>>>>> recorded, which may be discoverable in a legal matter. By >>>>>>>> joining this session, you automatically consent to such >>>>>>>> recordings. If you do not consent to being recorded, discuss >>>>>>>> your concerns with the host or do not join the session. >>>>>>>> >>>>>>> <WebEx_Meeting.ics> >>>>>>> >>>>>>> >>>>>>> On Jan 27, 2015, at 11:12 AM, Alper Yegin wrote: >>>>>>> >>>>>>>> Poll is closed, and majority selected the following date for >>>>>>>> the call: >>>>>>>> >>>>>>>> Feb 10, 4pm CET. 1,5hr call. >>>>>>>> >>>>>>>> Please mark your calendars. >>>>>>>> >>>>>>>> In this call, we'll aim making progress on the I-D for item#1 >>>>>>>> (an API for source address selection). >>>>>>>> >>>>>>>> Attendees _shall read _the following material before the call >>>>>>>> so that we can directly jump to the discussions: >>>>>>>> >>>>>>>> 1. >>>>>>>> http://www.ietf.org/proceedings/91/slides/slides-91-dmm-4.pdf >>>>>>>> >>>>>>>> >>> 2. http://www.ietf.org/proceedings/90/slides/slides-90-dmm-6.pdf >>>>>>>> 3. >>>>>>>> https://datatracker.ietf.org/doc/draft-yegin-dmm-ondemand-mobility/ >>>>>>>> >>>>>>>> >>> 4. http://www.ietf.org/proceedings/88/slides/slides-88-dmm-8.pdf >>>>>>>> 5. http://tools.ietf.org/html/draft-liu-dmm-mobility-api-02 >>>>>>>> >>>>>>>> >>>>>>>> Alper >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Jan 23, 2015, at 3:28 PM, Alper Yegin wrote: >>>>>>>> >>>>>>>>> Folks, >>>>>>>>> >>>>>>>>> Please mark your availability on the following doodle for >>>>>>>>> our next DMM WG Mobility Exposure and Selection WT call: >>>>>>>>> >>>>>>>>> http://doodle.com/7xgcr8x6cgxnbzur >>>>>>>>> >>>>>>>>> Register your availability no later than the end of Monday >>>>>>>>> (Jan 26). >>>>>>>>> >>>>>>>>> Alper >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ dmm mailing list >>>>>> dmm@ietf.org <mailto:dmm@ietf.org> >>>>>> https://www.ietf.org/mailman/listinfo/dmm >>>>>> >>>>> >>>>> >>>>> _______________________________________________ dmm mailing list >>>>> dmm@ietf.org <mailto:dmm@ietf.org> >>>>> https://www.ietf.org/mailman/listinfo/dmm >>>> >>>> >>>> >>> >>> >> > > > _______________________________________________ > dmm mailing list > dmm@ietf.org > https://www.ietf.org/mailman/listinfo/dmm > >
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Jouni Korhonen
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L
- [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- [DMM] Mobility Exposure and Selection WT call#5 Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Marco Liebsch
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call… Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call… Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call… Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alper Yegin
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L
- Re: [DMM] Mobility Exposure and Selection WT call Alexandru Petrescu
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L
- Re: [DMM] Mobility Exposure and Selection WT call Brian Haberman
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L
- Re: [DMM] Mobility Exposure and Selection WT call Brian Haberman
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L
- Re: [DMM] Mobility Exposure and Selection WT call Brian Haberman
- Re: [DMM] Mobility Exposure and Selection WT call Templin, Fred L