Re: [Insipid] WG Review: INtermediary-safe SIP session ID (insipid)
Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com> Sun, 29 September 2013 13:19 UTC
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Date: Sun, 29 Sep 2013 16:18:48 +0300
From: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>
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To: "Romascanu, Dan (Dan)" <dromasca@avaya.com>
References: <20130927160805.11230.12046.idtracker@ietfa.amsl.com> <201309271854.r8RIs1HL022103@rcdn-core2-6.cisco.com> <949EF20990823C4C85C18D59AA11AD8B0ABBC9@FR712WXCHMBA11.zeu.alcatel-lucent.com> <5247E62B.7090801@ericsson.com> <9904FB1B0159DA42B0B887B7FA8119CA128EAA3A@AZ-FFEXMB04.global.avaya.com> <5247F9A6.4010307@ericsson.com> <9904FB1B0159DA42B0B887B7FA8119CA128EACB7@AZ-FFEXMB04.global.avaya.com> <5247FAFE.9050505@ericsson.com> <9904FB1B0159DA42B0B887B7FA8119CA128EAD22@AZ-FFEXMB04.global.avaya.com> <5247FD29.40404@ericsson.com> <9904FB1B0159DA42B0B887B7FA8119CA128EAE6E@AZ-FFEXMB04.global.avaya.com>
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Cc: "DRAGE, Keith (Keith)" <keith.drage@alcatel-lucent.com>, "insipid@ietf.org" <insipid@ietf.org>, "'Gonzalo Salgueiro (gsalguei)'" <gsalguei@cisco.com>, James Polk <jmpolk@cisco.com>
Subject: Re: [Insipid] WG Review: INtermediary-safe SIP session ID (insipid)
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Hi Dan, OK, I just sent a note as you suggested. Cheers, Gonzalo On 29/09/2013 1:18 PM, Romascanu, Dan (Dan) wrote: > I think that the problem is mostly with the folks out of the WG who could not see the messages distributed before. Re-sending the external review announcement with the complete set of milestones would solve this. > > Regards, > > Dan > > > > >> -----Original Message----- >> From: Gonzalo Camarillo [mailto:Gonzalo.Camarillo@ericsson.com] >> Sent: Sunday, September 29, 2013 1:13 PM >> To: Romascanu, Dan (Dan) >> Cc: DRAGE, Keith (Keith); James Polk; insipid@ietf.org; 'Gonzalo >> Salgueiro (gsalguei)' >> Subject: Re: [Insipid] WG Review: INtermediary-safe SIP session ID >> (insipid) >> >> Hi Dan, >> >> so, in practical terms, what do you want me to do? I (and the chairs >> before) have already distributed the milestones before so that the WG >> can review them. Do you want me to do something else? >> >> Thanks, >> >> Gonzalo >> >> On 29/09/2013 1:07 PM, Romascanu, Dan (Dan) wrote: >>> But we ARE discussing a charter update. So let is also include the new >> milestones in the discussion. This does not change the process, it just >> allows to comment the text related to the scope and the milestones on >> the same occasion. >>> >>> Regards, >>> >>> Dan >>> >>> >>> >>> >>>> -----Original Message----- >>>> From: Gonzalo Camarillo [mailto:Gonzalo.Camarillo@ericsson.com] >>>> Sent: Sunday, September 29, 2013 1:04 PM >>>> To: Romascanu, Dan (Dan) >>>> Cc: DRAGE, Keith (Keith); James Polk; insipid@ietf.org; 'Gonzalo >>>> Salgueiro (gsalguei)' >>>> Subject: Re: [Insipid] WG Review: INtermediary-safe SIP session ID >>>> (insipid) >>>> >>>> Hi Dan, >>>> >>>> yes, because the first two are the existing milestones. The last two >>>> are added as a result of this charter update. >>>> >>>> Cheers, >>>> >>>> Gonzalo >>>> >>>> On 29/09/2013 1:00 PM, Romascanu, Dan (Dan) wrote: >>>>> OK, thanks, this makes sense. The announcement included only the >>>>> first >>>> two. >>>>> >>>>> Dan >>>>> >>>>> >>>>> >>>>> >>>>>> -----Original Message----- >>>>>> From: Gonzalo Camarillo [mailto:Gonzalo.Camarillo@ericsson.com] >>>>>> Sent: Sunday, September 29, 2013 12:58 PM >>>>>> To: Romascanu, Dan (Dan) >>>>>> Cc: DRAGE, Keith (Keith); James Polk; insipid@ietf.org; 'Gonzalo >>>>>> Salgueiro (gsalguei)' >>>>>> Subject: Re: [Insipid] WG Review: INtermediary-safe SIP session ID >>>>>> (insipid) >>>>>> >>>>>> Hi Dan, >>>>>> >>>>>> the proposed milestones can be found on the slides Keith mentioned >>>>>> in his email below. I copy them below for your convenience: >>>>>> >>>>>> Dec 2012 Requirements and use cases for new identifier sent to IESG >>>>>> (as >>>>>> informational) >>>>>> >>>>>> Feb 2013 Specification of the new identifier sent to the IESG (PS) >>>>>> >>>>>> Dec 2013 Requirements for marking SIP sessions for logging to IESG >>>>>> (Informational) >>>>>> >>>>>> Mar 2014 Protocol for marking SIP sessions for logging to IESG >>>>>> (Proposed standard >>>>>> >>>>>> Cheers, >>>>>> >>>>>> Gonzalo >>>>>> >>>>>> >>>>>> On 29/09/2013 12:27 PM, Romascanu, Dan (Dan) wrote: >>>>>>> Hi Gonzalo, >>>>>>> >>>>>>> I understand that the process of review and approval of the >>>>>>> milestones >>>>>> is different, but at such point in time when the charter is sent >>>>>> for external review I think it would be good to synchronize the two >>>>>> processed. It does not make sense to me to review a charter whose >>>>>> milestones are in the past, obviously not in synch with the rest of >>>>>> the text. >>>>>>> >>>>>>> Regards, >>>>>>> >>>>>>> Dan >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: insipid-bounces@ietf.org [mailto:insipid-bounces@ietf.org] >>>>>>>> On Behalf Of Gonzalo Camarillo >>>>>>>> Sent: Sunday, September 29, 2013 11:35 AM >>>>>>>> To: DRAGE, Keith (Keith) >>>>>>>> Cc: James Polk; insipid@ietf.org; 'Gonzalo Salgueiro (gsalguei)' >>>>>>>> Subject: Re: [Insipid] WG Review: INtermediary-safe SIP session >>>>>>>> ID >>>>>>>> (insipid) >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> with respect to the milestones, the review of charters follows a >>>>>>>> different review process than the milestones, which can be easily >>>>>>>> updated by the chairs and the responsible AD without going >>>>>>>> through IETF, IESG, and IAB reviews. >>>>>>>> >>>>>>>> So, once the charter is approved, the chairs will add the updated >>>>>>>> milestones to the tracker. >>>>>>>> >>>>>>>> Cheers, >>>>>>>> >>>>>>>> Gonzalo >>>>>>>> >>>>>>>> On 27/09/2013 10:12 PM, DRAGE, Keith (Keith) wrote: >>>>>>>>> The relevant mail was: >>>>>>>>> >>>>>>>>> http://www.ietf.org/mail-archive/web/insipid/current/msg00642.ht >>>>>>>>> ml >>>>>>>>> >>>>>>>>> Sent on 2nd August 2013. >>>>>>>>> >>>>>>>>> If you go to the link in this message you will see a slide with >>>>>>>>> a >>>>>>>> coloured version just for your benefit. >>>>>>>>> >>>>>>>>> Not sure why the new milestones are missing - there should >>>>>>>>> ultimately >>>>>>>> be two new ones. May Gonzalo Camarillo can comment. >>>>>>>>> >>>>>>>>> regards >>>>>>>>> >>>>>>>>> Keith >>>>>>>>> >>>>>>>>>> -----Original Message----- >>>>>>>>>> From: insipid-bounces@ietf.org >>>>>>>>>> [mailto:insipid-bounces@ietf.org] On Behalf Of James Polk >>>>>>>>>> Sent: 27 September 2013 19:54 >>>>>>>>>> To: 'Gonzalo Salgueiro (gsalguei)'; DRAGE, Keith (Keith); >>>>>>>>>> Gonzalo Camarillo >>>>>>>>>> Cc: insipid@ietf.org >>>>>>>>>> Subject: Re: [Insipid] WG Review: INtermediary-safe SIP session >>>>>>>>>> ID >>>>>>>>>> (insipid) >>>>>>>>>> >>>>>>>>>> Chairs and AD >>>>>>>>>> >>>>>>>>>> Lacking a good local diff tool, can you articulate what exactly >>>>>>>>>> is being proposed to change from the existing charter, and why >>>>>>>>>> was this necessary or needed or asked for? >>>>>>>>>> >>>>>>>>>> I mean, the focus of the charter is still on the 2 drafts we've >>>>>>>>>> been working on for some time now, and that doesn't appear to >>>>>>>>>> have changed. Additionally, there are no new milestones. >>>>>>>>>> >>>>>>>>>> I seemed to have missed the memo that brought this all about. >>>>>>>>>> >>>>>>>>>> James >>>>>>>>>> >>>>>>>>>> At 11:08 AM 9/27/2013, The IESG wrote: >>>>>>>>>>> The INtermediary-safe SIP session ID (insipid) working group >>>>>>>>>>> in the Real-time Applications and Infrastructure Area of the >>>>>>>>>>> IETF is undergoing rechartering. The IESG has not made any >>>>>>>>>>> determination yet. The following draft charter was submitted, >>>>>>>>>>> and is provided for informational purposes only. Please send >>>>>>>>>>> your comments to the IESG mailing list (iesg at >>>>>>>>>>> ietf.org) by 2013-10-07. >>>>>>>>>>> >>>>>>>>>>> INtermediary-safe SIP session ID (insipid) >>>>>>>>>>> ------------------------------------------------ >>>>>>>>>>> Current Status: Active WG >>>>>>>>>>> >>>>>>>>>>> Chairs: >>>>>>>>>>> Gonzalo Salgueiro <gsalguei@cisco.com> >>>>>>>>>>> Keith Drage <keith.drage@alcatel-lucent.com> >>>>>>>>>>> >>>>>>>>>>> Assigned Area Director: >>>>>>>>>>> Gonzalo Camarillo <gonzalo.camarillo@ericsson.com> >>>>>>>>>>> >>>>>>>>>>> Mailing list >>>>>>>>>>> Address: insipid@ietf.org >>>>>>>>>>> To Subscribe: https://www.ietf.org/mailman/listinfo/insipid >>>>>>>>>>> Archive: http://www.ietf.org/mail-archive/web/insipid/ >>>>>>>>>>> >>>>>>>>>>> Charter: >>>>>>>>>>> >>>>>>>>>>> An end-to-end session identifier in SIP-based multimedia >>>>>>>>>>> communication networks refers to the ability for endpoints, >>>>>>>>>>> intermediate devices, and management and monitoring system to >>>>>>>>>>> identify and correlate SIP messages and dialogs of the same >>>>>>>>>>> higher-level end-to-end "communication session" across >>>>>>>>>>> multiple SIP devices, hops, and administrative domains. >>>>>>>>>>> Unfortunately, there are a number of factors that contribute >>>>>>>>>>> to the fact that the current dialog identifiers defined in SIP >>>>>>>>>>> are not suitable for end-to-end session identification. >>>>>>>>>>> Perhaps the most important factor worth describing is that in >>>>>>>>>>> real-world deployments of Back-to-Back User Agents (B2BUAs) >>>>>>>>>>> devices like Session Border Controllers (SBC) often change the >>>>>>>>>>> call identifiers (e.g., the From-tag and To-tag that are used >>>>>>>>>>> in conjunction with the Call-ID header to make the dialog-id) >>>>>>>>>>> as the session signaling passes >>>>>> through. >>>>>>>>>>> >>>>>>>>>>> An end-to-end session identifier should allow the possibility >>>>>>>>>>> to identify the communication session from the point of >>>>>>>>>>> origin, passing through any number of intermediaries, to the >>>>>>>>>>> ultimate point of termination. It should have the same aim as >>>>>>>>>>> the From-tag, To-tag and Call-ID conjunction, but should not >>>>>>>>>>> be mangled by >>>>>> intermediaries. >>>>>>>>>>> >>>>>>>>>>> A SIP end-to-end session identifier has been considered as >>>>>>>>>>> possible solution of different use cases like troubleshooting, >>>>>>>>>>> billing, session recording, media and signaling correlation, >>>>>>>>>>> and >>>>>> so forth. >>>>>>>>>>> Some of these requirements come from other working groups >>>>>>>>>>> within the RAI area (e.g., SIPRec). Moreover, other standards >>>>>>>>>>> organizations have identified the need for SIP and H.323 to >>>>>>>>>>> carry the same >>>>>>>> "session ID" >>>>>>>>>>> value so that it is possible to identify a call end-to-end >>>>>>>>>>> even when performing inter working between protocols. >>>>>>>>>>> >>>>>>>>>>> Troubleshooting SIP signalling end-to-end becomes impractical >>>>>>>>>>> as networks grow and become interconnected, including >>>>>>>>>>> connection via transit networks, because the path that SIP >>>>>>>>>>> signalling will take between clients cannot be predicted and >>>>>>>>>>> the signalling volume and geographical spread are too large. >>>>>>>>>>> >>>>>>>>>>> This group will focus on two documents: >>>>>>>>>>> >>>>>>>>>>> The first document will specify a SIP identifier that has the >>>>>>>>>>> same aim as the From-tag, To-tag and Call-ID conjunction, but >>>>>>>>>>> is less likely to be mangled by intermediaries. In doing this >>>>>>>>>>> work, the group will pay attention to the privacy implications >>>>>>>>>>> of a "session ID", for example considering the possibility to >>>>>>>>>>> make it intractable for nodes to correlate "session IDs" >>>>>>>>>>> generated by the same user for different sessions. >>>>>>>>>>> >>>>>>>>>>> The second document will define an indicator that can be added >>>>>>>>>>> to the SIP protocol to indicate that signalling should be >>>>>>>>>>> logged. The indicator will typically be applied as part of >>>>>>>>>>> network testing controlled by the network operator and not >>>>>>>>>>> used in regular client signalling. However, such marking can >>>>>>>>>>> be carried end-to-end including the SIP terminals, even if a >>>>>>>>>>> session originates and terminates in different networks. >>>>>>>>>>> >>>>>>>>>>> Milestones: >>>>>>>>>>> Dec 2012 - Requirements and use cases for new identifier >>>>>>>>>>> sent to IESG (as informational) >>>>>>>>>>> Feb 2013 - Specification of the new identifier sent to the >>>>>>>>>>> IESG >>>>>>>>>>> (PS) >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> insipid mailing list >>>>>>>>>>> insipid@ietf.org >>>>>>>>>>> https://www.ietf.org/mailman/listinfo/insipid >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> insipid mailing list >>>>>>>>>> insipid@ietf.org >>>>>>>>>> https://www.ietf.org/mailman/listinfo/insipid >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> insipid mailing list >>>>>>>> insipid@ietf.org >>>>>>>> https://www.ietf.org/mailman/listinfo/insipid >>>>> >>> >
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… DRAGE, Keith (Keith)
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Romascanu, Dan (Dan)
- [Insipid] WG Review: INtermediary-safe SIP sessio… The IESG
- Re: [Insipid] WG Review: INtermediary-safe SIP se… James Polk
- Re: [Insipid] WG Review: INtermediary-safe SIP se… DRAGE, Keith (Keith)
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Romascanu, Dan (Dan)
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Romascanu, Dan (Dan)
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Romascanu, Dan (Dan)
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… Gonzalo Camarillo
- Re: [Insipid] WG Review: INtermediary-safe SIP se… SM
- Re: [Insipid] WG Review: INtermediary-safe SIP se… SM