Re: [Sip] Vocabulary and problem statement forRequest-URI, retargeting, and SIP routing (long, but read it!)
Paul Kyzivat <pkyzivat@cisco.com> Fri, 18 January 2008 15:59 UTC
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Date: Fri, 18 Jan 2008 10:59:36 -0500
From: Paul Kyzivat <pkyzivat@cisco.com>
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To: "Elwell, John" <john.elwell@siemens.com>
Subject: Re: [Sip] Vocabulary and problem statement forRequest-URI, retargeting, and SIP routing (long, but read it!)
References: <5D1A7985295922448D5550C94DE2918001AC02E9@DEEXC1U01.de.lucent.com> <1ECE0EB50388174790F9694F77522CCF1438F1B0@zrc2hxm0.corp.nortel.com> <478CEFB4.6070002@zonnet.nl> <CA9998CD4A020D418654FCDEF4E707DF0413D587@esealmw113.eemea.ericsson.se> A <"CA9998CD4A0 20D418654FCDEF4E707DF04173CB8"@esealmw113.eemea.ericsson.se> <" 0 D5F89FAC29 E2 C41B98A6A762007F5D0593CFF"@GBNTHT12009MSX.gb002.siemens.net> A <CA9998CD4A020D418654FCDEF4E707DF041743D6@esealmw113.eemea.ericsson.se> <0D5F89FAC29E2C41B98A6A762007F5D0593E13@GBNTHT12009MSX.gb002.siemens.net> <CA9998CD4A020D418654FCDEF4E707DF041C939B@esealmw113.eemea.ericsson.se> <C8D63C78-437F-430E-950C-2E63C69E3CEF@softarmor.com> <E6C2E8958BA59A4FB960963D475F7AC306E4ED4501@mail.acmepacket.com> <0D5F89FAC29E2C41B98A6A762007F5D0594068@GBNTHT12009MSX.gb002.siemens.net> <E6C2E8958BA59A4FB960963D475F7AC306E4ED497B@mail.acmepacket.com> <0D5F89FAC29E2C41B98A6A762007F5D05941CF@GBNTHT12009MSX.gb002.siemens.net>
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Cc: IETF SIP List <sip@ietf.org>, Dean Willis <dean.willis@softarmor.com>
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Elwell, John wrote: > Hadriel, > > Well, I have been having a side thread with Christer and Hans Erik, and > the only difference other than syntax that they could convince me of was > support for UAs that do not register, in that with loose-route you would > need additional provisioning in the domain proxy to say that the UA > (gateway or whatever) supports loose-route. Given that you would need > provisioning in the proxy anyway for such UAs, I didn't see this as a > big deal, but it is a difference. In the case of registration, it is indicated by the ;lr param on the contact. In the case of provisioning, you need to provision a contact, so its just a matter of provisioning it with ;lr. That is *still* just provisioning a uri, so its not really a difference. Paul > John > >> -----Original Message----- >> From: Hadriel Kaplan [mailto:HKaplan@acmepacket.com] >> Sent: 18 January 2008 15:15 >> To: Elwell, John; Dean Willis; IETF SIP List >> Subject: RE: [Sip] Vocabulary and problem statement >> forRequest-URI,retargeting, and SIP routing (long, but read it!) >> >> Hey John, >> Inline... >> >>> -----Original Message----- >>> From: Elwell, John [mailto:john.elwell@siemens.com] >>> Sent: Friday, January 18, 2008 2:48 AM >>>> But in the re-targeting scenario such as: >>>> RTRG RRT >>>> +---+ +---+ >>>> |R1 | |R2 | >>>> B /+---+\ C E /+---+\ F >>>> RT / \ RT RT / \ RT >>>> +---+/ \+---+ D +---+/ \+---+ >>>> |P1 | |P2 +---+P3 | |P4 | >>>> A /+---+ +---+ +---+ +---+\ G >>>> / \ >>>> +---+/ \+---+ >>>> |UAC| |UAS| >>>> +---+ +---+ >>>> >>>> UA-Loose-routing wants the req-uri seen on connection "C" I think. >>>> To header gives you A. >>>> PCPID gives you E. >>>> Hist-Info gives you A,B,C,D,E,F. >>> [JRE] According to Dean's definition of RT, it does not change the >>> Request-URI (only the Route header field presumably, or >> maybe not even >>> that). >>> So C, D and E are the same. Also A and B are the same, and >> F and G are >>> the same. >>> So I think: >>> - UA-Loose-routing gives you C/D/E >>> - To gives you A/B >>> - PCPID gives you C/D/E >>> - Target gives you C/D/E >>> - Hist-info gives you A/B, C/D/E and F/G. >> Yes, I agree that is the *theory*. :) >> I drew it that way though so we could argue about what the >> UAS/UALR-draft _wants_ to happen vs. what _will_ happen if P2 >> or P3 are not purely RT's and didn't support a new draft. >> (Since it seemed the conversation was going that way >> previously on this list, for example when Christer pointed >> out the difference between Target and PCPID) >> >> For example, I think there is more than just a syntax >> difference between Christer's sip-target-uri-delivery draft >> (STUD?) and Jonathan's UALR approach. Though I have no idea >> which one is better. >> >> -hadriel >> >> >> >> _______________________________________________ >> Sip mailing list https://www1.ietf.org/mailman/listinfo/sip >> This list is for NEW development of the core SIP Protocol >> Use sip-implementors@cs.columbia.edu for questions on current sip >> Use sipping@ietf.org for new developments on the application of sip >> > > > _______________________________________________ > Sip mailing list https://www1.ietf.org/mailman/listinfo/sip > This list is for NEW development of the core SIP Protocol > Use sip-implementors@cs.columbia.edu for questions on current sip > Use sipping@ietf.org for new developments on the application of sip > _______________________________________________ Sip mailing list https://www1.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use sip-implementors@cs.columbia.edu for questions on current sip Use sipping@ietf.org for new developments on the application of sip
- [Sip] Delivering request-URI and parameters to UA… DRAGE, Keith (Keith)
- VS: [Sip] Delivering request-URI and parameters t… Christer Holmberg
- Re: VS: [Sip] Delivering request-URI and paramete… Jonathan Rosenberg
- VS: VS: [Sip] Delivering request-URI and paramete… Christer Holmberg
- [Sip] RE: Delivering request-URI and parameters t… DRAGE, Keith (Keith)
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- Re: [Sip] RE: Delivering request-URI and paramete… Paul Kyzivat
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- RE: [Sip] RE: Delivering request-URI and paramete… Francois Audet
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- Re: [Sip] RE: Delivering request-URI and paramete… Paul Kyzivat
- RE: [Sip] RE: Delivering request-URI and paramete… Francois Audet
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- [Sip] Delivering request-URI and parameters to UA… DRAGE, Keith (Keith)
- RE: [Sip] RE: Delivering request-URI and paramete… Francois Audet
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- Re: [Sip] RE: Delivering request-URI and paramete… Paul Kyzivat
- RE: [Sip] RE: Delivering request-URI and paramete… Francois Audet
- Re: [Sip] RE: Delivering request-URI and paramete… Jeroen van Bemmel
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- [Sip] Delivering request-URI and parameters to UA… Christer Holmberg
- [Sip] RE: Delivering request-URI and parameters t… Elwell, John
- [Sip] RE: Delivering request-URI and parameters t… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- RE: [Sip] Delivering request-URI and parameters t… DRAGE, Keith (Keith)
- RE: [Sip] Delivering request-URI and parameters t… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- Re: [Sip] RE: Delivering request-URI and paramete… Paul Kyzivat
- [Sip] SIP Routers kamalakar.mergu
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] Delivering request-URI and parameters t… youssef.chadli
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- Re: [Sip] RE: Delivering request-URI and paramete… Joel M. Halpern
- Re: [Sip] Delivering request-URI and parameters t… Enrico Marocco
- Re: [Sip] SIP Routers James M. Polk
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- RE: [Sip] RE: Delivering request-URI and paramete… Elwell, John
- [Sip] Vocabulary and problem statement for Reques… Dean Willis
- Re: [Sip] Vocabulary and problem statement for Re… Dean Willis
- RE: [Sip] Vocabulary and problem statement for Re… DRAGE, Keith (Keith)
- RE: [Sip] Vocabulary and problem statement for Re… Hadriel Kaplan
- RE: [Sip] Vocabulary and problem statement for Re… Hadriel Kaplan
- Re: [Sip] Vocabulary and problem statement for Re… Dean Willis
- RE: [Sip] Vocabulary and problem statement for Re… Sanjay Sinha (sanjsinh)
- RE: [Sip] Vocabulary and problem statement for Re… Hadriel Kaplan
- Re: [Sip] Vocabulary and problem statement for Re… Dean Willis
- Re: [Sip] Vocabulary and problem statement for Re… Jeroen van Bemmel
- RE: [Sip] Vocabulary and problem statement for Re… Elwell, John
- Re: [Sip] Vocabulary and problem statement for Re… Paul Kyzivat
- RE: [Sip] Vocabulary and problem statement for Re… Hadriel Kaplan
- RE: [Sip] Vocabulary and problem statement forReq… Elwell, John
- RE: [Sip] Vocabulary and problem statement forReq… Hadriel Kaplan
- Re: [Sip] Vocabulary and problem statement forReq… Paul Kyzivat
- RE: [Sip] Vocabulary and problem statement forReq… Elwell, John
- RE: [Sip] Vocabulary and problem statementforRequ… Elwell, John
- Re: [Sip] Vocabulary and problem statement forReq… Paul Kyzivat
- RE: [Sip] Vocabulary and problem statementforRequ… Christer Holmberg
- Re: [Sip] RE: Delivering request-URI and paramete… Jonathan Rosenberg
- RE: [Sip] Delivering request-URI and parameters t… youssef.chadli
- Re: [Sip] Delivering request-URI and parameters t… Paul Kyzivat
- RE: [Sip] Delivering request-URI and parameters t… youssef.chadli
- RE: [Sip] RE: Delivering request-URI and paramete… Christer Holmberg
- Re: [Sip] Delivering request-URI and parameters t… Paul Kyzivat
- Re: [Sip] Delivering request-URI and parameters t… Hans Erik van Elburg