Re: [netmod] Comment on draft-clacla-netmod-yang-model-update-02

2017-11-15 Thread Ladislav Lhotka
o support old clients. > > > > With a MAJOR update in a semver world, it means that the old nodes are > > removed (or rather, possibly, that the old nodes have new syntax > > and/or semantics). > > > > > > > > -- Ladislav Lhotka Head, CZ.NIC La

Re: [netmod] Comment on draft-clacla-netmod-yang-model-update-02

2017-11-15 Thread Ladislav Lhotka
On Wed, 2017-11-15 at 05:27 -0500, Joe Clarke wrote: > On 11/15/17 05:06, Ladislav Lhotka wrote: > > > I suppose my gut reaction to Lou's question as to whether a server > > > should support multiple versions was, "no." A client may have multiple > >

Re: [netmod] Comment on draft-clacla-netmod-yang-model-update-02

2017-11-15 Thread Ladislav Lhotka
ic version number >>> changed. Or the semantic version number indicates only minor changes >>> that sill break your client. >>> >>>>CH 2.3) >>>>As we need to create a new Yang Module (YAM) even for the smallest >>>>incompatible modification, this increases the number of modules. >>> >>> So it seems to boil down to the question whether foo and foo2 is >>> significantly more expensive than foo { semver 1.x.y } and foo { >>> semver 2.x.y }. The main argument seems to be that the later keeps >>> references that involve module names or namespaces unchanged (but >>> they may or may not mean different things). >>> >>>>IMHO YANG package definition should be a separate issue, left out of >>>> this >>>>document. Andy has already provided some very good ideas about this >>>> topic. >>> >>> I think it is necessary to think about how the semantic version >>> numbers are used. See my remark above about imports. If we allow >>> incompatible changes, than this has side effects and I think we are >>> not done by just adding a semantic version number without going >>> working throught the implications. >>> >>> /js >>> >>> -- >>> Juergen Schoenwaelder Jacobs University Bremen gGmbH >>> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany >>> Fax: +49 421 200 3103 <http://www.jacobs-university.de/> >> > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] Comment on draft-clacla-netmod-yang-model-update-02

2017-11-14 Thread Ladislav Lhotka
On Wed, 2017-11-15 at 08:24 +0100, Martin Bjorklund wrote: > Ladislav Lhotka wrote: > > On Wed, 2017-11-15 at 08:00 +0100, Martin Bjorklund wrote: > > > Balazs Lengyel wrote: > > > > See bellow! > > > > > > > > > > > > On 20

Re: [netmod] Comment on draft-clacla-netmod-yang-model-update-02

2017-11-14 Thread Ladislav Lhotka
, for example the ability to import two different revisions of the same module. Lada > > > /martin > > _______ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76

Re: [netmod] document organization

2017-11-14 Thread Ladislav Lhotka
On Wed, 2017-11-15 at 14:23 +0800, Ladislav Lhotka wrote: > Hi, > > regarding my proposed reorganization of documents: I strongly disagree with > Martin's comment on jabber that it would be a mere split of the contents into > two documents. It is certainly not true because >

[netmod] document organization

2017-11-14 Thread Ladislav Lhotka
rent mechanisms, and the "inline" method invites various instance-related considerations whereas "use-schema" doesn't; it's been my experience that people keep confusing schema construction and instance data mounting. Lada -- Ladislav Lhotk

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-12 Thread Ladislav Lhotka
Robert Wilton writes: > On 09/11/2017 15:37, Ladislav Lhotka wrote: >> Robert Wilton writes: ... >>>>> 3. Sec 2.1 Glossary of New Terms:  "Schema" isn't actually defined >>>>> anywhere (RFC 7950 doesn't define this).  Should it be

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-12 Thread Ladislav Lhotka
Juergen Schoenwaelder writes: > On Fri, Nov 10, 2017 at 04:39:36PM +0100, Ladislav Lhotka wrote: >> > >> > So what is the difference between "schema tree" and "schema"? Or to >> > put it differently, what is "all associated semantics&q

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-10 Thread Ladislav Lhotka
w I understand it. Lada > > If I understand 'definition hierarchy' correctly, than it seems > "schema" is just an abbreviation of "schema tree", i.e., there is no > semantic difference between these two terms. If there is a difference, > we need to be ab

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-09 Thread Ladislav Lhotka
On Thu, 2017-11-09 at 08:34 -0800, Andy Bierman wrote: > > > On Thu, Nov 9, 2017 at 7:37 AM, Ladislav Lhotka wrote: > > Robert Wilton writes: > > > > >> > > >>> 2. Sec 1. Introduction, page 4, paragraph starting "2. > > >>> I

Re: [netmod] review of draft-ietf-netmod-schema-mount-08

2017-11-09 Thread Ladislav Lhotka
Martin Bjorklund writes: > Ladislav Lhotka wrote: >> On Wed, 2017-11-08 at 09:50 +0100, Martin Bjorklund wrote: >> > Kent Watsen wrote: >> > > >> > > >> > > > Hi Kent, >> > > > >> > > > thanks for

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-09 Thread Ladislav Lhotka
be to make things as >> simple and easy to understand as possible. They are complex enough >> anyway. > Thanks, > Rob > > >> >> Thanks, Lada >> >>> Thanks, >>> Rob >>> >>> >>> On 20/10

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-08 Thread Ladislav Lhotka
e: >> All, >> >> This starts a two-week working group last call on >> draft-ietf-netmod-schema-mount-07. >> >> The working group last call ends on November 3. >> Please send your comments to the netmod mailing list. >> >> Positive comments, e.g., &q

Re: [netmod] review of draft-ietf-netmod-schema-mount-08

2017-11-08 Thread Ladislav Lhotka
Correct > > > > > > > > >> - may extend this model by defining > > >> + may extend this solution by defining > > > > > > Or perhaps "approach"? I would leave "solution" to marketing folks. > > > > "approac

Re: [netmod] review of draft-acee-netmod-rfc8022bis-05

2017-11-07 Thread Ladislav Lhotka
ULD be > present if any groupings are used from the external module." > > > 'Appendix D. Data Tree Example': > > - The example in the Appendix D. has not been updated and it must be > extended in order to demonstrate a usecase of operational datastore of

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-06 Thread Ladislav Lhotka
firm one more time that they are > > unaware of any IPR related to this draft. > > > > Thank you, > > Netmod Chairs > > > > > > ___ > > netmod mailing list > > netmod@ietf.org > > http

Re: [netmod] review of draft-ietf-netmod-schema-mount-08

2017-11-03 Thread Ladislav Lhotka
be done to provide more context would be helpful. It seems to make sense in A.3 - to demonstrate an URI of a resource inside an NI. > > For the 2nd half of A2, what happens if there is an "lne-2", will it > also get "eth0&

Re: [netmod] WG Last Call: draft-ietf-netmod-schema-mount-07

2017-11-03 Thread Ladislav Lhotka
ly CC-ed on this email, >> please also confirm one more time that they are >> unaware of any IPR related to this draft. >> >> Thank you, >> Netmod Chairs >> >> >> ___ >> netmod mailing list >> netmod@ietf.org >

Re: [netmod] [Technical Errata Reported] RFC7950 (5157)

2017-10-26 Thread Ladislav Lhotka
Andy > > > > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] [Technical Errata Reported] RFC7950 (5157)

2017-10-24 Thread Ladislav Lhotka
wasted because they are tightly connected to XML (instead of being applicable to general tree-like data). It is perhaps also worth noting that XPath 1.0 spec now includes a note that basically declares it deprecated and unmaintained. Lada > > /jan > >

Re: [netmod] [Technical Errata Reported] RFC7950 (5157)

2017-10-23 Thread Ladislav Lhotka
le : The YANG 1.1 Data Modeling Language > > > Publication Date: August 2016 > > > Author(s) : M. Bjorklund, Ed. > > > Category: PROPOSED STANDARD > > > Source : NETCONF Data Modeling Language > > > Area: Operations and Management > > > Stream : IETF > > > Verifying Party : IESG > > > . > > > > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] XPath node type tests

2017-10-23 Thread Ladislav Lhotka
t;>> >>>>> Hi Lada, >>>>> >>>>> Thanks for the explanation, that makes sense. >>>>> >>>>> >>>>> On 20/10/2017 16:27, Ladislav Lhotka wrote: >>>>> >>>>>> Hi Rob, >&g

Re: [netmod] XPath node type tests

2017-10-20 Thread Ladislav Lhotka
xyz node, which is defined as the concatenation of the string-values of all text node descendants of xyz. Lada > > Thanks, > Rob > > > > ___ > netmod mailing list > netmod@ietf.org >

Re: [netmod] WG adoption poll draft-acee-netmod-rfc8022bis-03

2017-10-15 Thread Ladislav Lhotka
dressed once the document is a WG > document. > > The poll ends Oct 27. > > Thanks, > Kent (and Lou) > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka He

[netmod] Odp.: I-D Action: draft-ietf-netmod-schema-mount-07.txt

2017-10-09 Thread Ladislav Lhotka
t.petch píše v Pá 06. 10. 2017 v 12:39 +0100: > - Original Message - > From: "Ladislav Lhotka" > Sent: Thursday, October 05, 2017 1:52 PM > > Martin Bjorklund writes: > > > > > This version fixes the XPath context for parent-reference. > >

Re: [netmod] I-D Action: draft-ietf-netmod-schema-mount-07.txt

2017-10-05 Thread Ladislav Lhotka
e Internet-Drafts >> directories. >> This draft is a work item of the Network Modeling WG of the IETF. >> >> Title : YANG Schema Mount >> Authors : Martin Bjorklund >> Ladislav Lhotka >> Filename: draft-ietf-netm

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-25 Thread Ladislav Lhotka
Martin Bjorklund píše v Po 25. 09. 2017 v 11:57 +0200: > Ladislav Lhotka wrote: > > Robert Wilton píše v Čt 21. 09. 2017 v 10:38 +0100: > > > [...] > > > > Yes, I agree that this scenario is very likely, but I think that the > > > > solution here

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-22 Thread Ladislav Lhotka
Robert Wilton writes: > On 21/09/2017 16:10, Ladislav Lhotka wrote: >> Robert Wilton píše v Čt 21. 09. 2017 v 10:38 +0100: >>> On 20/09/2017 15:33, Ladislav Lhotka wrote: >>>> Robert Wilton writes: >>>> >>>>> On 19/09/2017 15:07, Lad

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-21 Thread Ladislav Lhotka
Robert Wilton píše v Čt 21. 09. 2017 v 10:38 +0100: > > On 20/09/2017 15:33, Ladislav Lhotka wrote: > > Robert Wilton writes: > > > > > On 19/09/2017 15:07, Ladislav Lhotka wrote: > > > > Robert Wilton píše v Út 19. 09. 2017 v 14:49 +0100: > > >

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-21 Thread Ladislav Lhotka
Robert Wilton writes: > On 19/09/2017 15:07, Ladislav Lhotka wrote: >> Robert Wilton píše v Út 19. 09. 2017 v 14:49 +0100: >>> Hi Lada, >>> >>> >>> On 19/09/2017 14:37, Ladislav Lhotka wrote: >>>> Martin Bjorklund writes: >>>>

Re: [netmod] Proposal to enhance the YANG tree output

2017-09-20 Thread Ladislav Lhotka
ase notation but what it > shows is fundamentally different. +1 Lada > > /js > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-19 Thread Ladislav Lhotka
Robert Wilton píše v Út 19. 09. 2017 v 14:49 +0100: > Hi Lada, > > > On 19/09/2017 14:37, Ladislav Lhotka wrote: > > Martin Bjorklund writes: > > > > > Ladislav Lhotka wrote: > > > > Hi, > > > > > > > > I support

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-19 Thread Ladislav Lhotka
Martin Bjorklund writes: > Ladislav Lhotka wrote: >> Hi, >> >> I support the adoption but I propose two conceptual changes: >> >> 1. Introduce a new module name and namespace so that it is not >> necessary to carry along the deprecated baggage. If read

Re: [netmod] WG adoption poll draft-bjorklund-netmod-rfc7227bis-00

2017-09-19 Thread Ladislav Lhotka
ent is a WG document. > > The poll ends Oct 2. > > Thanks, > > Lou (and Kent) > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key

Re: [netmod] Regarding IPR on draft-acee-netmod-rfc8022bis-02

2017-09-18 Thread Ladislav Lhotka
.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. > > Thank you, > NetMod WG Chairs > > PS Please include all listed in the headers of this message in your > response. > > > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] upcoming adoptions

2017-09-18 Thread Ladislav Lhotka
option and continue to try and >>> resolve this issue at the same time ;-). I think that it would be good to >>> try and get the updated model drafts to WG LC by Singapore. >>> >>> I know that it hasn't been asked yet, but I support adoption of any 8022 >

Re: [netmod] WG Last Call: draft-ietf-netmod-revised-datastores-04 guessing

2017-09-15 Thread Ladislav Lhotka
> Thank you, > > Netmod Chairs > > > > ___ > > netmod mailing list > > netmod@ietf.org > > https://www.ietf.org/mailman/listinfo/netmod > > ___ > netmod mailing

Re: [netmod] Proposal to enhance the YANG tree output

2017-09-15 Thread Ladislav Lhotka
Martin Bjorklund píše v Pá 15. 09. 2017 v 13:40 +0200: > Robert Wilton wrote: > > > > > > > > On 15/09/2017 11:21, Ladislav Lhotka wrote: > > > > Andy Bierman píše v Čt 14. 09. 2017 v 08:43 -0700: > > > >> Hi, > > > >>

Re: [netmod] upcoming adoptions

2017-09-15 Thread Ladislav Lhotka
//tools.ietf.org/html/draft-bjorklund-netmod-rfc7277bis-00 > > > 3. https://tools.ietf.org/html/draft-acee-netmod-rfc8022bis-00 > > > > > > Please take a look (comments welcome!) and stay tuned for the related > > > adoption calls. > > > > > > Tha

Re: [netmod] Proposal to enhance the YANG tree output

2017-09-15 Thread Ladislav Lhotka
draft-ietf-netmod-yang-tree-diagrams? > > > > 3. What changes to the output format would you recommend? > > > > Thanks. > > > > Joe > > > > _______ > > netmod

Re: [netmod] WG Last Call: draft-ietf-netmod-revised-datastores-04

2017-09-14 Thread Ladislav Lhotka
that are supposed to hold in all data trees should IMO stay no matter what. Lada -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] upcoming adoptions

2017-09-08 Thread Ladislav Lhotka
ns to use '-state'. Yes there might, but most likely when someone uses "-state" in the name of a container they will be doing the wrong thing, and it may cause them problems down the line. Warning them of the potential problems now so that they make a

Re: [netmod] 'status' statement needed on every node

2017-09-06 Thread Ladislav Lhotka
then appropriate. Regarding the documentation needs, 6087bis could recommend not to rely completely on the inheritance of deprecated status, and put it to other places for documentation purposes (using common sense). Lada > > /js > -- Ladislav Lhotka Head, C

Re: [netmod] 'status' statement needed on every node

2017-09-06 Thread Ladislav Lhotka
; > > > path-stmt. > > > > > > > >leaf foo { > > > > type string; > > > > status deprecated; > > > > } > > > > > > > > leaf bar { > > > > type leafref { path /foo; } > > > > } > > > > > > > > If it apples to path-stmt, then why not all XPath? > > > > > > B/c in XPath it is even ok to refer to non-existing nodes. And you > > > might have things like /baz/*. > > > > > > > Why doesn't "reference" include descendant nodes? > > > > > > > > The text in 7950 is too strict and can cause a massive ripple-effect > > > > when > > > > any status-stmt is changed. > > > > At the same time it is too vague to be useful to implementors. > > > > > > While I agree that it is not clear what it means to have a "current" > > > child to a "deprecated" node, I don't think this is a big issue. If a > > > node is deprecated, it is ok for an implementation to not implement > > > it. Obviously this means that no child nodes to that node is > > > implemented either, regardless of their status, if they are augmented > > > in, or comes from a grouping. > > > > what about the mandatory nodes inside a deprecated container? > > Formally, they are not deprecated (default status is current) so > > still mandatory, right? > > mandatory or not doesn't matter; mandatory doesn't mean "must > implement", but "must exist if the parent exists". > > > > /martin > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] Potential additions to rfc6087bis: RegEx guidelines

2017-09-06 Thread Ladislav Lhotka
Thanks, > Rob > > > On 05/09/2017 22:37, Lou Berger wrote: > > Rob, > > > > (as chair) > > On 9/5/2017 1:17 PM, Robert Wilton wrote: > > > However, I have thrown in the towel on my regex crusade. > > > > I'm sorry, I've lost the thread here a bit. in order to guage consensus > > on this topic, it would be helpful to send the latest text that you are > > proposing for inclusion in the the bis. If you are willing to do these, > > we can poll to see if there is/is not support for inclusion of this > > text. Are you willing, i.e., can you send the current proposed text change? > > > > Thank you, > > Lou > > > > . > > > > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] Potential additions to rfc6087bis: RegEx guidelines

2017-09-06 Thread Ladislav Lhotka
atever the reason really is, still will either have to continue to > cheat by silently interpreting XSD pattern as POSIX pattern or they > create a proper new statement to at least properly distinguish > different pattern languages. > > /js > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] Potential additions to rfc6087bis: RegEx guidelines

2017-09-05 Thread Ladislav Lhotka
Robert Wilton píše v Po 04. 09. 2017 v 17:07 +0100: > Hi Lada, > > On 04/09/2017 15:59, Ladislav Lhotka wrote: > > Robert Wilton píše v Po 04. 09. 2017 v 15:05 +0100: > > > Hi Andy, > > > > > > On 02/09/2017 17:46, Andy Bierman wrote: > > > >

Re: [netmod] Potential additions to rfc6087bis: RegEx guidelines

2017-09-04 Thread Ladislav Lhotka
> > > > -- > > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > > > Fax: +49 421 200 3103 <http://www.jacobs-university.de/> > > > > > > ___ > > > netmod mailing list > > > netmod@ietf.org > > > https://www.ietf.org/mailman/listinfo/netmod > > > > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] [Technical Errata Reported] RFC6991 (5105)

2017-09-04 Thread Ladislav Lhotka
-- > > You may review the report below and at: > > http://www.rfc-editor.org/errata/eid5105 > > > > ------ > > Type: Technical > > Reported by: Ladislav Lhotka > > > > Section: 3 > > > > Original

Re: [netmod] schema mount open issue #1

2017-08-31 Thread Ladislav Lhotka
Lou Berger writes: > On August 29, 2017 9:03:22 AM Per Hedeland wrote: > >> On 2017-08-29 14:34, Lou Berger wrote: >>> On 08/29/2017 03:37 AM, Martin Bjorklund wrote: >>>> Lou Berger wrote: >>>>> Lada, >>>>> >>>>> &

Re: [netmod] schema mount open issue #1

2017-08-29 Thread Ladislav Lhotka
Lou Berger writes: > Lada, > > > On 8/28/2017 10:16 AM, Ladislav Lhotka wrote: >> Lou Berger píše v Po 28. 08. 2017 v 09:40 -0400: >>> Lada, >>> >>> On 8/28/2017 9:30 AM, Ladislav Lhotka wrote: >>>>> Can you please take a look at it a

Re: [netmod] schema mount open issue #1

2017-08-28 Thread Ladislav Lhotka
Lou Berger píše v Po 28. 08. 2017 v 09:40 -0400: > Lada, > > On 8/28/2017 9:30 AM, Ladislav Lhotka wrote: > > > Can you please take a look at it and see if we have any other disconnects? > > > > This is really scary. > > I agree! > > > How can we

Re: [netmod] schema mount open issue #1

2017-08-28 Thread Ladislav Lhotka
mounts under choices/cases? Isn't the resulting path to > > > > > data nodes indistinguishable when the parent is a list or container? > > > > > > > > Suppose a server lists a couple of modules for "vrf-root" and some > > > > other for "vsi-r

Re: [netmod] Potential additions to rfc6087bis: RegEx guidelines

2017-08-24 Thread Ladislav Lhotka
t;>> supported in the POSIX variant. If possible, the model designers SHOULD >>> avoid using Unicode characters, such as: \p{L} and \p{N}. >>> >>> 1.3. Conversion Tools >>> Tools can automatically convert regular expressions from one variant to >>&g

Re: [netmod] Pattern statements [was Re: Query about augmenting module from submodule in YANG 1.0]

2017-08-23 Thread Ladislav Lhotka
7;t, is not (in my > opinion). I completely agree. Lada > > --Per > > > I agree with Rob that the pattern in draft-ietf-rtgwg-routing-types-09 is > > complicated to read. I have the feeling the design can be improved without > > c

Re: [netmod] Pattern statements [was Re: Query about augmenting module from submodule in YANG 1.0]

2017-08-23 Thread Ladislav Lhotka
Robert Wilton píše v St 23. 08. 2017 v 17:58 +0100: > > On 23/08/2017 15:22, Ladislav Lhotka wrote: > > Juergen Schoenwaelder píše v St 23. 08. 2017 v 15:36 +0200: > > > On Wed, Aug 23, 2017 at 02:23:12PM +0100, Robert Wilton wrote: > > > > 1) Email address. I

Re: [netmod] Pattern statements [was Re: Query about augmenting module from submodule in YANG 1.0]

2017-08-23 Thread Ladislav Lhotka
t.petch píše v St 23. 08. 2017 v 17:28 +0100: > - Original Message - > From: "Ladislav Lhotka" > Sent: Wednesday, August 23, 2017 11:53 AM > > > "t.petch" writes: > > > > > - Original Message - > > > From

Re: [netmod] Pattern statements [was Re: Query about augmenting module from submodule in YANG 1.0]

2017-08-23 Thread Ladislav Lhotka
alse negatives, i.e. reject valid values. For some regexes this is what makes them complicated. Also, I don't see any need for replacing existing patterns unless they are wrong. We have descriptions to tell human readers about the permitted value set. Lada > > /js > -- Ladisl

Re: [netmod] Pattern statements [was Re: Query about augmenting module from submodule in YANG 1.0]

2017-08-23 Thread Ladislav Lhotka
087Bis. >> > >> > Thanks, >> > Acee >> > >> > On 8/21/17, 9:44 AM, "netmod on behalf of Ivory, William" >> > > wrote: >> > >> >> Hi Rob, >> >> >> >> That would make it very hard to updat

Re: [netmod] Query about augmenting module from submodule in YANG 1.0

2017-08-09 Thread Ladislav Lhotka
bmodule is arguably in a different module. > > > > > > > > Lada > > > > ‘ > > > > Thanks, > > > > William > > > > ___ > >

Re: [netmod] nmda-guidelines-01: value space for config vs state

2017-07-31 Thread Ladislav Lhotka
and be specified separately. > FWIW, in terms of complexity, I think that schema-mount in particular has > pushed the YANG-complexity envelope more so than any other recent > activity. I fully agree and I have said it myself several times. My concern a

Re: [netmod] nmda-guidelines-01: value space for config vs state

2017-07-28 Thread Ladislav Lhotka
Hi Rob, > On 28 Jul 2017, at 12:34, Robert Wilton wrote: > > Hi Lada, > > > On 26/07/2017 11:46, Ladislav Lhotka wrote: >> "Sterne, Jason (Nokia - CA/Ottawa)" writes: >> >>> OK – so the same leaf (in the schema) has the same value spa

Re: [netmod] draft-wilton-netmod-interface-properties-00

2017-07-27 Thread Ladislav Lhotka
quot; into >> "ethernet-mac-like" and "ethernet-phy-like". At Aviat we have microwave >> radio interfaces that behave like Ethernet at the MAC level but have totally >> different PHYs. The distinction is also useful for virtual links, such as >> link agg

Re: [netmod] nmda-guidelines-01: value space for config vs state

2017-07-26 Thread Ladislav Lhotka
for config ? I’m thinking of the basic admin/oper state > for interfaces for example where config may allow enable/disable but state > may have additional values like ‘testing’. If the config & state value > spaces aren’t 100% the same, are module designers recommended to create a

Re: [netmod] draft-wilton-netmod-interface-properties-00

2017-07-26 Thread Ladislav Lhotka
t; properties could also be defined. > > I'm seeking input from the WG as to whether they like this approach, AND > also whether the WG drafts: draft-ietf-netmod-intf-ext-yang-05 and > draft-ietf-netmod-sub-intf-vlan-model-02 should be updated to make use > of this approach

Re: [netmod] [netmod-wg/acl-model] TCP flags values not defined and only single flag allowed (#5)

2017-07-10 Thread Ladislav Lhotka
ference >>> "IEEE 802.3"; >>> } >>> >>> identity ETHERTYPE_IPV4 { >>> base ETHERTYPE; >>> description >>> "IPv4 protocol (0x0800)"; >>> } >>> >>> ... >>> ... >>> >&g

Re: [netmod] [netmod-wg/acl-model] TCP flags values not defined and only single flag allowed (#5)

2017-07-10 Thread Ladislav Lhotka
gt; payload."; > reference > "IEEE 802.3"; > } > > identity ETHERTYPE_IPV4 { > base ETHERTYPE; > description > "IPv4 protocol (0x0800)"; > } > > ... > ... > > and so on. > > — > You are receiving this because you are subscribe

Re: [netmod] Schema-mount question: Augmentation to the Mounted Module

2017-06-14 Thread Ladislav Lhotka
> On 14 Jun 2017, at 13:43, Lou Berger wrote: > > Hi, > > (speaking as contributor...) > > > On 6/14/2017 7:17 AM, Ladislav Lhotka wrote: >> Hi Xufeng, >> >> please see my answers inline. >> >> Xufeng Liu writes: >> >>

Re: [netmod] Schema-mount question: Augmentation to the Mounted Module

2017-06-14 Thread Ladislav Lhotka
ut there is no "schema" entry under "schema-mounts" to worry about. Lada > > For example, ietf-ospf module augments ietf-routing. When we mount > ietf-routing ietf-yang-library to LNE, should we list ietf-ospf in the mount > module list? And a

Re: [netmod] Question on intefaces-state model

2017-06-14 Thread Ladislav Lhotka
> On 14 Jun 2017, at 11:21, Robert Wilton wrote: > > > > On 14/06/2017 09:28, Ladislav Lhotka wrote: >>> On 14 Jun 2017, at 00:35, Alex Campbell wrote: >>> >>> >>> Presumably a device is free to not implement an optional config=false

Re: [netmod] Question on intefaces-state model

2017-06-14 Thread Ladislav Lhotka
> > > Alex > > From: netmod on behalf of Andy Bierman > > Sent: Wednesday, 14 June 2017 7:30 a.m. > To: Ladislav Lhotka > Cc: netmod@ietf.org > Subject: Re: [netmod] Question on intefaces-state model > > > On Tue, Jun 13, 2017 at 11:52 AM, Ladislav

Re: [netmod] Question on intefaces-state model

2017-06-13 Thread Ladislav Lhotka
GmbH >> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany >> Fax: +49 421 200 3103 <http://www.jacobs-university.de/> >> >> ___ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/ma

Re: [netmod] Question about ietf-routing

2017-06-06 Thread Ladislav Lhotka
in default > RIBs. > Is it intended that this will be left to vendor-specific modules and/or > future standards? > > Alex > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listi

Re: [netmod] RFC7952 annotation to identify leaf encryption/hashing format

2017-05-24 Thread Ladislav Lhotka
uot;It is RECOMMENDED that >> security-sensitive or privacy-sensitive data be modeled as regular YANG >> data nodes rather than annotations." >> > >> > >> > >> >> > ___ >> > netmod mailing list >> > netmod@ietf

Re: [netmod] I-D Action: draft-ietf-netmod-schema-mount-05.txt

2017-05-22 Thread Ladislav Lhotka
nt provides support only for the latter two cases. Design-time mounts are outside the scope of this document, and could be possibly dealt with in a future revision of the YANG data modeling language. Lada > > Lou > > > __

Re: [netmod] I-D Action: draft-ietf-netmod-schema-mount-05.txt

2017-05-18 Thread Ladislav Lhotka
. Lada > > Lou > > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] I-D Action: draft-ietf-netmod-schema-mount-05.txt

2017-05-17 Thread Ladislav Lhotka
; A New Internet-Draft is available from the on-line Internet-Drafts > > directories. > > This draft is a work item of the NETCONF Data Modeling Language of the IETF. > > > > Title : YANG Schema Mount > > Authors : Martin Bjorklund > &g

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-05-02 Thread Ladislav Lhotka
airs > > > > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-21 Thread Ladislav Lhotka
p, the translation can actualy be easier and more robust: for example, the translator can recognize YANG identifiers in the text and avoid translating them. Lada > > Andy > > > On Fri, Apr 21, 2017 at 6:03 AM, Robert Wilton wrote: > Hi Lada, > > > On 20/04/2017 1

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-21 Thread Ladislav Lhotka
> On 21 Apr 2017, at 15:03, Robert Wilton wrote: > > Hi Lada, > > > On 20/04/2017 13:28, Ladislav Lhotka wrote: >> Kent Watsen writes: >> >>> All, >>> >>> We're a couple days away from the 2-week window. As of now, the >

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-21 Thread Ladislav Lhotka
e of converting YANG automatically >> to something else (not only to HTML, it starts already with YIN) knows >> that transferring descriptions and other similar texts is tricky. >> >> Lada >> >>> >>> Thanks, >>> Phil >>> >>> _

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-20 Thread Ladislav Lhotka
(not only to HTML, it starts already with YIN) knows > that transferring descriptions and other similar texts is tricky. > > Lada > >> >> Thanks, >> Phil >> >> ___ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/mailman/listi

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-19 Thread Ladislav Lhotka
thing else (not only to HTML, it starts already with YIN) knows that transferring descriptions and other similar texts is tricky. Lada > > Thanks, > Phil > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailm

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-19 Thread Ladislav Lhotka
Robert Wilton writes: > On 13/04/2017 17:08, Andy Bierman wrote: >> >> >> On Thu, Apr 13, 2017 at 5:45 AM, Ladislav Lhotka > <mailto:lho...@nic.cz>> wrote: >> >> >> > On 13 Apr 2017, at 13:34, t.petch > <mailto:ie...@btco

Re: [netmod] netmod Digest, Vol 109, Issue 17

2017-04-19 Thread Ladislav Lhotka
heasley writes: >> > On 13 Apr 2017, at 09:14, Juergen Schoenwaelder >> > wrote: >> > >> > On Thu, Apr 13, 2017 at 08:28:08AM +0200, Ladislav Lhotka wrote: >> >> >> >> We are talking past each other. Are you willing to admit t

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-19 Thread Ladislav Lhotka
Andy Bierman writes: > On Thu, Apr 13, 2017 at 11:41 AM, Ladislav Lhotka wrote: > >> >> > On 13 Apr 2017, at 18:08, Andy Bierman wrote: >> > >> > >> > >> > On Thu, Apr 13, 2017 at 5:45 AM, Ladislav Lhotka wr

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-12 Thread Ladislav Lhotka
> On 12 Apr 2017, at 19:59, Andy Bierman wrote: > > > > On Wed, Apr 12, 2017 at 10:39 AM, Ladislav Lhotka wrote: > > > On 12 Apr 2017, at 18:44, Andy Bierman wrote: > > > > > > > > On Wed, Apr 12, 2017 at 6:02 AM, Juergen Schoenwae

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-12 Thread Ladislav Lhotka
As the draft also tries to explain, some trivial markup is already commonly used in IETF modules (for example, bulleted lists) and inconsistent indentation rules make it difficult for applications to properly format such texts. Lada > > > /js > > > Andy > >

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-12 Thread Ladislav Lhotka
ne, but module readers should have little difficulty if not. Thanks, Lada > > Thanks, > Rob > > > On 10/04/2017 12:45, Ladislav Lhotka wrote: >> As the author: yes/support. >> >> Two changes seemed to have support in IETF 98 audience: >> >> 1.

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-10 Thread Ladislav Lhotka
nt. >> >> Thank you, >> NETMOD WG Chairs > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] WG adoption poll draft-lhotka-netmod-yang-markup-00

2017-04-10 Thread Ladislav Lhotka
s > > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] WG adoption poll draft-bjorklund-netmod-yang-tree-diagrams

2017-04-10 Thread Ladislav Lhotka
https://www.ietf.org/mailman/listinfo/netmod >> . >> > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

[netmod] YANG library with datastores and schema mount

2017-03-29 Thread Ladislav Lhotka
t is important to have all this information represented in a compact way and in a single place. Thanks, Lada -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] Question about must statement in grouping

2017-03-29 Thread Ladislav Lhotka
pression is evaluated once for each entry, always with the same result. It may or may not be a problem depending on the number of entries. Lada > > Regards, Bart > > -----Original Message- > From: Ladislav Lhotka [mailto:lho...@nic.cz] > Sent: 29 March 2017 14:37

Re: [netmod] Question about must statement in grouping

2017-03-29 Thread Ladislav Lhotka
t a-list { > > key "entry"; > > leaf entry { > > type uint16; > > } > > } > > } > > > > And used in another module > > > > container a-container { > > uses a-group; > > must "count(a-list) != 1" { > > description > > "This list must either be empty or have at least 2 elements"; > > } > > } > > > > Best regards - Vriendelijke groeten, > > Bart Bogaert > > ___ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 ___ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod

Re: [netmod] tree diagrams - flags

2017-03-21 Thread Ladislav Lhotka
> On 21 Mar 2017, at 15:11, Juergen Schoenwaelder > wrote: > > On Tue, Mar 21, 2017 at 01:01:58PM +0100, Ladislav Lhotka wrote: >> >>> On 21 Mar 2017, at 12:50, Robert Wilton wrote: >>> >>> >>> So I am suggesting perhaps just havin

Re: [netmod] tree diagrams - flags

2017-03-21 Thread Ladislav Lhotka
> On 21 Mar 2017, at 12:50, Robert Wilton wrote: > > > > On 21/03/2017 10:49, Ladislav Lhotka wrote: >>> On 21 Mar 2017, at 11:25, Juergen Schoenwaelder >>> wrote: >>> >>> Hi, >>> >>> if we want to standardize tr

Re: [netmod] tree diagrams - flags

2017-03-21 Thread Ladislav Lhotka
ng > > notifications: >+--n- notification > +--nt boom? string > > (And I think the oops leafs should have triggered an error.) > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587

Re: [netmod] draft netmod charter update proposal

2017-03-21 Thread Ladislav Lhotka
> On 21 Mar 2017, at 11:30, Juergen Schoenwaelder > wrote: > > On Tue, Mar 21, 2017 at 10:59:11AM +0100, Ladislav Lhotka wrote: >> >> If the "config" statement really carried some protocol-specific semantics >> that isn't meaningful for all

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