Re: [DMM] Mobility Exposure and Selection WT call
Alexandru Petrescu <alexandru.petrescu@gmail.com> Thu, 19 February 2015 08:48 UTC
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Date: Thu, 19 Feb 2015 09:48:12 +0100
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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To: Alper Yegin <alper.yegin@yegin.org>
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>
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Subject: Re: [DMM] Mobility Exposure and Selection WT call
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Le 13/02/2015 09:09, Alper Yegin a écrit : > Hello Alex, > >> I looked at the slides. I think I understand the concept of type >> of IP address from a mobility perspective: fixed, sustained, >> nomadic. >> >> I have remarks: - could an aquired prefix (DHCPv6 PD) also be >> qualified as fixed, sustained, nomadic? > > Yes. > >> - how would a mobility address type relate to other address >> 'types'? - link-local, ULA, global. > > Link-local can only be nomadic. Global can be any type. We cannot > assure a ULA address stays the same (considering border crossings), > hence it can only be nomadic. > > >> - unicast, anycast, multicast. > > 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. >> - 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 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