From: Andy Bierman <a...@yumaworks.com<mailto:a...@yumaworks.com>> Date: Tuesday, July 12, 2016 at 12:38 PM To: Acee Lindem <a...@cisco.com<mailto:a...@cisco.com>> Cc: Lou Berger <lber...@labn.net<mailto:lber...@labn.net>>, netmod WG <netmod@ietf.org<mailto:netmod@ietf.org>> Subject: Re: [netmod] OpsState Direction Impact on Recommended IETF YANG Model Structure
On Tue, Jul 12, 2016 at 9:30 AM, Acee Lindem (acee) <a...@cisco.com<mailto:a...@cisco.com>> wrote: Hi Andy, From: Andy Bierman <a...@yumaworks.com<mailto:a...@yumaworks.com>> Date: Tuesday, July 12, 2016 at 12:17 PM To: Lou Berger <lber...@labn.net<mailto:lber...@labn.net>> Cc: Acee Lindem <a...@cisco.com<mailto:a...@cisco.com>>, netmod WG <netmod@ietf.org<mailto:netmod@ietf.org>> Subject: Re: [netmod] OpsState Direction Impact on Recommended IETF YANG Model Structure On Tue, Jul 12, 2016 at 8:23 AM, Lou Berger <lber...@labn.net<mailto:lber...@labn.net>> wrote: Acee, I personally was assuming we'd follow 3, but I'd like to understand the implication of 2 as I'm not sure I really understand what you're thinking here. Can you elaborate what you're thinking here? Thanks, Lou ..... > 3. #2 plus collapse the config (read-write) and system-state > (read-only) into common containers. No more branching of > <model-name>-config and <model-name>-state at the top level of the model. >..... I would really like to understand what problem (3) is supposed to solve. Most of the foo-state variables are for monitoring. This information is useful even if the server uses proprietary configuration mechanisms. (e.g., the way the SNMP world has worked for 30 years) If you forbid separate monitoring subtrees and force the data to be co-located with configuration, that means the standard monitoring will not be supported unless the standard configuration is also supported. If they are meant to be supported independently, why wouldn’t they be separate models? YANG features can be used and they can still be supported independently. True - but I have not run across a model featured at the config/state branch. Acee Thanks, Acee Andy Why is that progress? Andy
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