Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt
Joe Clarke <jclarke@cisco.com> Tue, 26 June 2018 19:42 UTC
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To: Balazs Lengyel <balazs.lengyel@ericsson.com>, Robert Wilton <rwilton@cisco.com>, "netmod@ietf.org" <netmod@ietf.org>
References: <152889763632.15168.12247537431295038165.idtracker@ietfa.amsl.com> <75383a97-d08b-b202-70a6-eab064963af8@ericsson.com> <b58d21a9-d27e-c8b3-e8e3-483dd6942c9e@cisco.com> <f946ca96-1cb2-e032-9adc-7df00702e216@ericsson.com> <20180626121156.fq5ioq2gh5sy3v7n@anna.jacobs.jacobs-university.de> <e50fdff6-caa2-aada-011e-534b14ffdcf1@cisco.com> <20180626135232.cdlrbbideyackdfe@anna.jacobs.jacobs-university.de> <e5877095-d5ee-d1e3-a144-a2e2a20062dc@cisco.com> <341ece85-4e00-dca4-580a-de234306c941@ericsson.com> <f470fd68-320e-8201-7045-68c8885ec3e2@cisco.com> <3cf59f95-8d26-44c5-2f30-947befa29f72@ericsson.com>
From: Joe Clarke <jclarke@cisco.com>
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Date: Tue, 26 Jun 2018 15:42:20 -0400
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Subject: Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt
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On 6/26/18 11:38, Balazs Lengyel wrote: > Any opinions on Rob's suggestion about a free-text versioning string? > I am neutral on this. Like I mentioned, I would use this for YANG Catalog input, and I would want MD around yang-library instance data. That MD would include the vendor, platform, and version of software. I'm not asking for all of these to be standardized, though. I would just want a way to extend the MD as needed. Joe > > regards Balazs > > On 6/26/2018 5:31 PM, Robert Wilton wrote: >> On 26/06/2018 16:20, Balazs Lengyel wrote: >>> On 6/26/2018 4:07 PM, Robert Wilton wrote: >>>>>>>> 7) It might want to include a semantic version number for an >>>>>>>> instance-data-set, depending on whether the YANG >>>>>>>> versioning discussions >>>>>>>> ends up. >>>>>>>> >>>>>>>> BALAZS: Yes I would like to. However I am not exactly clear >>>>>>>> on what does >>>>>>>> backwards compatibility mean for instance data. >>>>>>>> Data MAY NOT be removed or changed only added. ??? >>>>>>>> Who would use the semver numbers ??? >>>>>>> What does the version number mean? Every change of instance data >>>>>>> in an >>>>>>> instacne-data-set leads to a new version number? What is a bug >>>>>>> fix in >>>>>>> this sense? What is a non-backwards compatible change of instance >>>>>>> data? >>>>>>> I am left a bit puzzled. >>>>>> Probably I don't mean semantic version. But often files have >>>>>> versioning, or >>>>>> revision, information associated with them. This can be muxed >>>>>> into the file >>>>>> name/path, but it also seems like potentially useful metadata, and >>>>>> being >>>>>> able to handle this generically in a consistent way might be >>>>>> beneficial. >>>>>> >>>>>> As an example, perhaps the capability information related to S/W >>>>>> release >>>>>> 1.2.4, etc. >>>>> We need to separate a version number of the instance data from the a >>>>> version number (or version context) that may be needed in order to >>>>> understand what a YANG (module, path) tuple means if we move to a >>>>> different YANG versioning scheme. The later I agree would be needed, >>>>> the former I am less sure of - at least if we talk semantic version >>>>> numbers. >>>> Yes, I agree with the need for the latter, that may entail listing >>>> the versions of the modules in the meta-data. >>>> >>>> But what I was actually referring to was the former, and thinking >>>> more of it is just being a string field in the meta-data with a well >>>> defined name, that is optional to populate. Actually, I see the >>>> current definition already has a revision with a date and >>>> description string. This is roughly along the lines of what I was >>>> thinking of for versioning (although I'm not sure why this should be >>>> a list rather than just a pair of leaves). >>>> >>>> Thanks, >>>> Rob >>> BALAZS: IMHO if we want to use versioning (semver) to version the >>> instance-data-set itself we first need to understand what backwards >>> compatibility means for an instance data set. >> So, I'm suggesting versioning, but not semver. Just a string version >> field. E.g. for XR I would just put in the XR release number "R4.5.1" >> or similar. > > Balazs Lengyel Ericsson Hungary Ltd. > Senior Specialist > Mobile: +36-70-330-7909 email: Balazs.Lengyel@ericsson.com > > > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod >
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Joe Clarke
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Martin Bjorklund
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Ladislav Lhotka
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Ladislav Lhotka
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Joe Clarke
- Re: [netmod] Fwd: New Version Notification for dr… Martin Bjorklund
- Re: [netmod] New Version Notification for draft-l… Einar Nilsen-Nygaard (einarnn)
- Re: [netmod] Fwd: New Version Notification for dr… Alexander Clemm
- Re: [netmod] Fwd: New Version Notification for dr… Ladislav Lhotka
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Robert Wilton
- [netmod] Fwd: New Version Notification for draft-… Balazs Lengyel
- [netmod] Fwd: New Version Notification for draft-… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Balazs Lengyel
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] Fwd: New Version Notification for dr… Juergen Schoenwaelder
- Re: [netmod] New Version Notification for draft-l… Balazs Lengyel