Re: [netmod] WG LC draft-ietf-netmod-module-tags-02 - 10/2/18 - 10/16/18
Christian Hopps <chopps@chopps.org> Tue, 16 October 2018 19:42 UTC
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From: Christian Hopps <chopps@chopps.org>
To: Andy Bierman <andy@yumaworks.com>
Cc: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Christian Hopps <chopps@chopps.org>, joel jaeggli <joelja@bogus.com>, NETMOD Working Group <netmod@ietf.org>
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Date: Tue, 16 Oct 2018 15:42:48 -0400
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Subject: Re: [netmod] WG LC draft-ietf-netmod-module-tags-02 - 10/2/18 - 10/16/18
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Andy Bierman <andy@yumaworks.com> writes: > On Tue, Oct 16, 2018 at 6:08 AM, Juergen Schoenwaelder < > j.schoenwaelder@jacobs-university.de> wrote: > >> On Tue, Oct 16, 2018 at 08:31:43AM -0400, Christian Hopps wrote: >> > >> > On Oct 2, 2018, at 4:30 PM, Juergen Schoenwaelder < >> j.schoenwaelder@jacobs-university.de> wrote: >> >> > > - Standard tags defined in description statements >> > > >> > > I do not like this. YANG has extension statements and having to >> > > parse stuff out of free text description statements seems to be a >> > > movement backwards. >> > >> > This is used by the human implementer of the module (i.e., they need to >> write code to implement the module). As such it was not intended for >> machine parsing. >> > >> >> I am personally not convinced. The whole reason why we have YANG is >> automation and I believe people will go and write tools to extract >> tags and having to extract them out of free form text looks like a >> step backwards. >> > > > It is more than a step backwards. > There is an unexplained procedure for declaring the module-tag conformance, > in addition to the module-tag mappings. > > All YANG designers are supposed to learn the exact text to write (not > free-form at all) > and this draft updates 6087bis with procedures for declaring the module-tags > in the description-stmt. > > Also, tool developers are supposed to parse the description-stmt looking > for the > module-tag definitions. But instead, tool developers are going to say "Use > our > proprietary YANG extension because we are never going to parse description > statements" I've added the extension statement. >> > > - System management >> > > >> > > What is 'system management' and a 'system management protocol'? >> > >> > These were derived from the work the RtgYangDT originally did where we >> were organizing everything under a single device tree. This tree concept >> was (rightly) abandoned to be replaced with use of tags. Examples of >> protocols would be Syslog, TACAC+, SNMP, Netconf, ... I've added that to >> the description. >> > >> >> I am generally not a fan of definition by example. Is SSH a 'system >> management protocol'? >> > > > An example is not a definition. > The IETF is supposed to know the difference. Do you have some suggestions for text that could replace the examples? Some of these things seem painful obvious, like do we *really* need to define what we mean by a routing protocol? Thanks, Chris.
- [netmod] WG LC draft-ietf-netmod-module-tags-02 -… joel jaeggli
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Juergen Schoenwaelder
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Alex Campbell
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Juergen Schoenwaelder
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Andy Bierman
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Andy Bierman
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Alex Campbell
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Andy Bierman
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Martin Bjorklund
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Martin Bjorklund
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Martin Bjorklund
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Alex Campbell
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] EXTERNAL: Re: WG LC draft-ietf-netmo… Alex Campbell
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Joel Jaeggli
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Christian Hopps
- Re: [netmod] WG LC draft-ietf-netmod-module-tags-… Joel Jaeggli
- Re: [netmod] EXTERNAL: Re: WG LC draft-ietf-netmo… Christian Hopps