[core] core management pointers
Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Fri, 07 March 2014 12:35 UTC
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Date: Fri, 07 Mar 2014 13:34:51 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
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Subject: [core] core management pointers
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Hi, concerning the management of constrained devices and CoAPs potential roles in this, let me provide a few pointers. First the two COMAN documents being discussed in the OPSAWG: http://tools.ietf.org/html/draft-ietf-opsawg-coman-use-cases-01 http://tools.ietf.org/html/draft-ietf-opsawg-coman-probstate-reqs-01 The later one has a new section 1.7 which I think if very useful to distinguish different configuration and monitoring levels. CoAP based solutions may want to look at which levels they target. The NETCONF working group has been rechartered to work on RESTCONF, a REST-like protocol that provides a programmatic interface over HTTP for accessing data defined in YANG, using the datastores defined in NETCONF. http://tools.ietf.org/html/draft-bierman-netconf-restconf-04 RESTCONF is not cast into stone yet. It would be very useful to find out whether RESTCONF can be mapped to CoAP or whether any changes of RESTCONF would make such a mapping easier. I also like to repeat what I said at the meeting: what really matters a lot is reuse of data models. Integration into existing management systems becomes much easier as long as the naming and the semantics of management data received via different management protocols is the same. For monitoring, there are many definitions that can be reused and MIB data models usually work fine for defining collections of counters. For configuration, YANG data models are the recommended way to go these days. But keep in mind that configuration can mean very different things (section 1.7 in opsawg-coman-probstate-reqs). I think having a side meeting in Toronto to further discuss CoAP usage for management and how it relates to RESTCONF and existing data models and data modeling approaches is a very good idea. /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/>
- [core] core management pointers Juergen Schoenwaelder