Qin,

Explaining the difference between a service and network element YANG modules is the objective of https://datatracker.ietf.org/doc/draft-ietf-netmod-yang-model-classification/

Abstract

   The YANG [RFC6020] data modeling language is currently being
   considered for a wide variety of applications throughout the
   networking industry at large.  Many standards-defining organizations
   (SDOs), open source software projects, vendors and users are using
   YANG to develop and publish YANG modules of configuration, state data
   and operations for a wide variety of applications.  At the same time,
   there is currently no well-known terminology to categorize various
   types of YANG modules.

   A consistent terminology would help with the categorization of YANG
   modules, assist in the analysis the YANG data modeling efforts in the
   IETF and other organizations, and bring clarity to the YANG-related
   discussions between the different groups.

   This document describes a set of concepts and associated terms to
   support consistent classification of YANG modules.

Regards, Benoit
Hi,
We have submitted a new I-D that discusses the scope and purpose of service 
models within
the IETF and describes how a service model can be used by a network
operator.
https://datatracker.ietf.org/doc/draft-wu-opsawg-service-model-explained/

In addition, this draft clarifies the role and position of service model in the 
SDN architecture and
Clear several misconception on the service model.

Your questions and comments are welcome.

Regards!
-Qin
-----邮件原件-----
发件人: internet-dra...@ietf.org [mailto:internet-dra...@ietf.org]
发送时间: 2016年7月5日 19:55
收件人: Liushucheng (Will); Adrian Farrel; Liushucheng (Will); Qin Wu
主题: New Version Notification for draft-wu-opsawg-service-model-explained-00.txt


A new version of I-D, draft-wu-opsawg-service-model-explained-00.txt
has been successfully submitted by Qin Wu and posted to the IETF repository.

Name:           draft-wu-opsawg-service-model-explained
Revision:       00
Title:          Service Models Explained
Document date:  2016-07-05
Group:          Individual Submission
Pages:          12
URL:            
https://www.ietf.org/internet-drafts/draft-wu-opsawg-service-model-explained-00.txt
Status:         
https://datatracker.ietf.org/doc/draft-wu-opsawg-service-model-explained/
Htmlized:       
https://tools.ietf.org/html/draft-wu-opsawg-service-model-explained-00


Abstract:
    The IETF has produced a considerable number of data models in the
    YANG modelling language.  The majority of these are used to model
    devices and they allow access for configuration and to read
    operational status.

    A small number of YANG models are used to model services (for
    example, the Layer Three Virtual Private Network Service Model
    produced by the L3SM working group).

    This document briefly sets out the scope of and purpose of an IETF
    service model, and it shows where a service model might fit into a
    Software Defined Networking architecture or deployment.


Please note that it may take a couple of minutes from the time of submission 
until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat

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