Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-27 Thread Robert Wilton
On 27/06/2018 09:09, Balazs Lengyel wrote: On 6/26/2018 5:55 PM, Robert Wilton wrote: - a version number refering to a specific software release of a server I see this "version" as file level meta-data information, in the same category as name, contact, description, organization meta-data

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-27 Thread Juergen Schoenwaelder
On Wed, Jun 27, 2018 at 10:15:10AM +0200, Balazs Lengyel wrote: > >BALAZS: The current draft really says two things: > > 1. this is the format for instance data > 2. instance-data SHOULD be used to document server capabilities > >IMHO both are important. I fear that if we

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-27 Thread Balazs Lengyel
On 6/26/2018 5:44 PM, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 05:31:27PM +0200, Balazs Lengyel wrote: Hello Juergen, Sorry the wording was misleading. I want these capabilities both as state data AND as instance-data-files, because there is a

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Joe Clarke
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,

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Juergen Schoenwaelder
On Tue, Jun 26, 2018 at 04:55:32PM +0100, Robert Wilton wrote: > > Another field that may be generically useful is the time/date stamp > of when the instance data was generated. Although perhaps the > timestamp of the file is sufficient for this purpose. I support adding a time/date stamp. (The

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Martin Bjorklund
Juergen Schoenwaelder wrote: > On Tue, Jun 26, 2018 at 05:31:27PM +0200, Balazs Lengyel wrote: > > Hello Juergen, > > > > Sorry the wording was misleading. I want these capabilities both as state > > data AND as instance-data-files, because > > there is a need to know this information before you

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Robert Wilton
On 26/06/2018 16:44, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 05:31:27PM +0200, Balazs Lengyel wrote: Hello Juergen, Sorry the wording was misleading. I want these capabilities both as state data AND as instance-data-files, because there is a need to know this information before

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Robert Wilton
On 26/06/2018 16:41, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 05:38:10PM +0200, Balazs Lengyel wrote: Any opinions on Rob's suggestion about a free-text versioning string? I am neutral on this. It needs to be clear _what_ is versioned. I have seen conflicting views. I

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Ladislav Lhotka
On Tue, 2018-06-26 at 17:34 +0200, Balazs Lengyel wrote: > Hello Lada, > > Maybe you are right. It is probably only important in case of mixed > modules. However as Rob proposed the usage of yang-data-ext I will put > it up as an open issue in Montreal. OK? Sure, this is only a marginal

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Robert Wilton
Note, adding it to the meta-data YANG definition does not mean that everyone has to populate this, it just ensures that it has a consistent name and semantics for clients/servers that do want to use it. Thanks, Rob On 26/06/2018 16:38, Balazs Lengyel wrote: Any opinions on Rob's suggestion

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Juergen Schoenwaelder
On Tue, Jun 26, 2018 at 05:31:27PM +0200, Balazs Lengyel wrote: > Hello Juergen, > > Sorry the wording was misleading. I want these capabilities both as state > data AND as instance-data-files, because > there is a need to know this information before you ever see the real > network node. How

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Juergen Schoenwaelder
On Tue, Jun 26, 2018 at 05:38:10PM +0200, Balazs Lengyel wrote: >Any opinions on Rob's suggestion about a free-text versioning string? >I am neutral on this. > It needs to be clear _what_ is versioned. I have seen conflicting views. I have heard so far: - the YANG version context once

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
Any opinions on Rob's suggestion about a free-text versioning string? I am neutral on this. 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

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Juergen Schoenwaelder
My plain text email reader fails on the quoting and this is usually where I drop out of discussions since I can't follow anymore. On Tue, Jun 26, 2018 at 05:09:56PM +0200, Balazs Lengyel wrote: > >BALAZS: I did not find anything about leading/trailing whitespace e.g. for >an integer in

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
Hello Lada, Maybe you are right. It is probably only important in case of mixed modules.  However as Rob proposed the usage of yang-data-ext I will put it up as an open issue in Montreal. OK? regards Balazs On 6/26/2018 5:30 PM, Ladislav Lhotka wrote: On Tue, 2018-06-26 at 15:58 +0200,

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
Hello Juergen, Sorry the wording was misleading. I want these capabilities both as state data AND as instance-data-files, because there is a need to know this information before you ever see the real network node. How about the following? "YANG servers SHOULD document server capabilities

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Robert Wilton
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.

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Ladislav Lhotka
On Tue, 2018-06-26 at 15:58 +0200, Balazs Lengyel wrote: > Hello Lada, > I don't insist on using yang-data-ext, but I like it. Isn't this the exact > use case for it: defining yang structured data that will never be loaded into > a datastore. In this case the structure of the instance-data-set

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
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

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
On 6/26/2018 3:52 PM, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 02:37:21PM +0100, Robert Wilton wrote: On 26/06/2018 13:11, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 01:58:44PM +0200, Balazs

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Juergen Schoenwaelder
On Tue, Jun 26, 2018 at 04:05:16PM +0200, Balazs Lengyel wrote: >Hello Martin, > >IMHO it would be good to recommend as a general practice that YANG servers >SHOULD document their capabilities using instance data. Even though "the >set of server capabilities to be documented will

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
On 6/26/2018 2:11 PM, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 01:58:44PM +0200, Balazs Lengyel wrote: Thanks for the comments and support. See answers below. Balazs On 6/13/2018 4:40 PM, Robert Wilton wrote:

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Robert Wilton
On 26/06/2018 14:52, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 02:37:21PM +0100, Robert Wilton wrote: On 26/06/2018 13:11, Juergen Schoenwaelder wrote: On Tue, Jun 26, 2018 at 01:58:44PM +0200, Balazs Lengyel wrote: Thanks for the comments and support. See answers below.

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Balazs Lengyel
Hello Martin, IMHO it would be good to recommend as a general practice that YANG servers SHOULD document their capabilities using instance data. Even though "the set of server capabilities to be documented will be defined by other standards and

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-26 Thread Juergen Schoenwaelder
On Tue, Jun 26, 2018 at 01:58:44PM +0200, Balazs Lengyel wrote: >Thanks for the comments and support. See answers below. >Balazs > >On 6/13/2018 4:40 PM, Robert Wilton wrote: > > Hi, > > I would support this draft (if/when a call for adoption is made). > > A few

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-19 Thread Joe Clarke
As I stated at the mic at 101, I support this work (and would support its WG adoption). In particular, the YANG Catalog can make use of instance-data in how we capture a server's capabilities to describe what modules a server (at a specific software revision) implements. To that end, we would

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-19 Thread Martin Bjorklund
Hi, I think this useful work, and I support it. However, I have some comments on the current draft. My main concern is that it mixes the very useful specification of instance data with requirements on the server. Specifically, I think section 4 should be re-written to be an example of what can

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-18 Thread Alexander Clemm
] On Behalf Of Balazs Lengyel Sent: Wednesday, June 13, 2018 7:07 AM To: netmod@ietf.org Subject: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt Hello, I submitted a new version of the yang-instance-data draft updated with comments from the last IETF

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-15 Thread Ladislav Lhotka
Hi, I support the adoption of this I-D as a workgroup item and my plan is to implement it. However, my suggestion is to avoid the use of yang-data-ext. It is absolutely useless in this case and only complicates things that are otherwise pretty trivial. Lada Balazs Lengyel writes: > Hello, >

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-13 Thread Juergen Schoenwaelder
On Wed, Jun 13, 2018 at 03:40:31PM +0100, Robert Wilton wrote: > > 5) I'm wondering whether there needs to be some sort of identifier about > what type data is held.  E.g. does it represent data that can be consumed as > part of one of the configuration datastores, or does it represent the >

Re: [netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-13 Thread Robert Wilton
Hi, I would support this draft (if/when a call for adoption is made). A few comments from a quick review : 1) I think that it would be useful to allow a file to contain multiple "instance data sets".  I could easily imagine that multiple different blocks of instance data may need to be

[netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-13 Thread Balazs Lengyel
Hello, I submitted a new version of the yang-instance-data draft updated with comments from the last IETF and others. I would like to get this adopted as a workgroup item. Please review it and if you like it please indicate that you support it as a workgroup

[netmod] Fwd: New Version Notification for draft-lengyel-netmod-yang-instance-data-01.txt

2018-06-13 Thread Balazs Lengyel
Hello, I submitted a new version of the yang-instance-data draft updated with comments from the last IETF and others. I would like to get this adopted as a workgroup item. Please review it and if you like it please indicate that you support it as a workgroup