IETF 82 Proceedings

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NETCONF Data Modeling Language (netmod) (WG)

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Additional information is available at tools.ietf.org/wg/netmod

Chair(s): David Kessens Juergen Schoenwaelder Operations and Management Area Director(s): Dan Romascanu Ronald Bonica Benoit Claise Operations and Management Area Advisor: Dan Romascanu

Meeting Slides

• NETMOD Agenda and WG Status
• NETCONF System Management
• Interface Configuration
• Core Routing Module
• SMIv2 to YANG Translation Issues

Internet-Drafts:

• A YANG Data Model for Interface Configuration (27752 bytes)
• IANA Interface Type YANG Module (48910 bytes)
• Translation of SMIv2 MIB Modules to YANG Modules (67408 bytes)
• A YANG Data Model for Routing Configuration (79000 bytes)
• A YANG Data Model for IP Configuration (13917 bytes)
• YANG Data Model for System Management (59098 bytes)

Request for Comments:

• Common YANG Data Types (RFC 6021) (52826 bytes)
• YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF) (RFC 6020) (324178 bytes)
• Guidelines for Authors and Reviewers of YANG Data Model Documents (RFC 6087) (49969 bytes)
• Mapping YANG to Document Schema Definition Languages and Validating NETCONF Content (RFC 6110) (192547 bytes)
• An Architecture for Network Management using NETCONF and YANG (RFC 6244) (63276 bytes)

Charter (as of 2011-12-09)

The NETCONF Working Group has completed a base protocol to be used for
configuration management. However, the NETCONF protocol does not include
a modeling language or accompanying rules that can be used to model the
management information that is to be configured using NETCONF. The
NETMOD working group has defined the data modeling language YANG but no
IETF models exist yet. The purpose of the NETMOD working group is to
support the ongoing deployment of YANG by developing a set of core YANG
data models and other activities that will allow network operators to
use YANG for configuration and management of network elements.

The NETMOD Working Group will initially work on the following items:

1. Core system data model
2. Core interface data model
3. Core routing data model that can be augmented with routing protocol
specifics. This requires appropriate active editorial participation from
routing experts and review at WGLC by the Routing Area working group.
4. SMIv2 translation to YANG for read-only operational data and
notifications. Guidance will be provided on how to reference existing
data structures in SMIv2 from YANG.

The NETMOD Working Group will not work on another version of YANG. All
new charter items must be fully interoperable with implementations of
RFC 4741bis and/or RFC 6020. It will also not serve as a review team for
YANG modules developed by other working groups.

The WG will consult with the NETCONF working group to ensure that
NETMOD's decision do not conflict with planned work in NETCONF.

Goals and Milestones:

Done		All _individual_ drafts available that will be used as input into the WG documents (draft-bjorklund-yang, architecture draft, YIN draft, YANG standard library draft, DSDL mapping rules draft)
Done		Initial set of WG drafts: architecture, YANG, YIN, YANG standard library, DSDL mapping rules (if there is one/more individual draft), based on WG decisions in Dublin
Done		Initial DSDL mapping rules document
Done		01 of YANG, DSDL, architecture, YIN, and standard library draft. If split out, -00 of on-the-wire XML draft.
Done		Initial YANG Usage guidelines document available as a working group document
Done		WGLC for YANG, YIN, XML on-the-wire (if split out), YANG standard library, DSDL mapping rules
Done		Submit YANG, YIN, XML on-the-wire (if split out), YANG standard library, DSDL mapping rules to the IESG for publication as a Proposed Standard
Done		Submission of individual draft(s) of SMIv2 translation to YANG
Done		Submission of individual draft(s) of Interface data model
Done		Submission of individual draft(s) of Routing data model
Done		Submission of individual draft(s) of System data model draft
Dec 2010		Submit first working group draft of System data model draft
Done		Submit first working group draft of Interface data model
Done		Submit first working group draft of SMIv2 translation to YANG
Done		Submit first working group draft of Routing data model
Apr 2011		Submit SMIv2 to YANG translation to the IESG (proposed standard)
Apr 2011		Submit System data model to the IESG (proposed standard)
Aug 2011		Submit Interface data model to the IESG (proposed standard)
Aug 2011		Submit Routing data model to the IESG (proposed standard)