RE: WG Action: Rechartered Bidirectional Forwarding Detection (bfd)

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Hello Tom.

Charter text is distinct from milestones.
The charter is discussed by IESG and put out for community review.
Milestones are set by the chairs in discussion with their AD.
The process for handling the updates is also different.

The BFD chairs agreed with me that they would update the milestones once the new
charter text was posted, so I hope we'll see that "soon".

Cheers,
Adrian

> -----Original Message-----
> From: ietf-bounces@xxxxxxxx [mailto:ietf-bounces@xxxxxxxx] On Behalf Of t.p.
> Sent: 01 November 2012 09:28
> To: ietf@xxxxxxxx
> Subject: Re: WG Action: Rechartered Bidirectional Forwarding Detection (bfd)
> 
> I realise that the timekeeping of the IETF is not on a par with its
> engineering, but it seems a shame to promulgate a new charter for which
> every milestone is already several months in arrears.
> 
> Tom Petch
> 
> 
> ----- Original Message -----
> From: "The IESG" <iesg-secretary@xxxxxxxx>
> To: "IETF-Announce" <ietf-announce@xxxxxxxx>
> Cc: "bfd WG" <rtg-bfd@xxxxxxxx>
> Sent: Tuesday, October 30, 2012 3:46 PM
> 
> > The Bidirectional Forwarding Detection (bfd) working group in the
> Routing
> > Area of the IETF has been rechartered. For additional information
> please
> > contact the Area Directors or the WG Chairs.
> >
> > Bidirectional Forwarding Detection (bfd)
> > ------------------------------------------------
> > Current Status: Active Working Group
> >
> > Chairs:
> >   David Ward <dward@xxxxxxxxx>
> >   Jeffrey Haas <jhaas@xxxxxxxx>
> >
> > Technical advisors:
> >   Dave Katz <dkatz@xxxxxxxxxxx>
> >
> > Assigned Area Director:
> >   Adrian Farrel <adrian@xxxxxxxxxxxx>
> >
> > Mailing list
> >   Address: rtg-bfd@xxxxxxxx
> >   To Subscribe: rtg-bfd-request@xxxxxxxx
> >   Archive: http://www.ietf.org/mail-archive/web/rtg-bfd/
> >
> > Charter of Working Group:
> >
> > The BFD Working Group is chartered to standardize and support the
> > bidirectional forwarding detection protocol (BFD) and its extensions.
> A
> > core goal of the working group is to standardize BFD in the context of
> IP
> > routing, or protocols such as MPLS that are based on IP routing, in a
> way
> > that will encourage multiple, inter-operable vendor implementations.
> The
> > Working Group will also provide advice and guidance on BFD to other
> > working groups or standards bodies as requested.
> >
> > BFD is a protocol intended to detect faults in the bidirectional path
> > between two forwarding engines, including physical interfaces,
> > subinterfaces, data link(s), and to the extent possible the forwarding
> > engines themselves, with potentially very low latency. It operates
> > independently of media, data protocols, and routing protocols. An
> > additional goal is to provide a single mechanism that can be used for
> > liveness detection over any media, at any protocol layer, with
> > a wide range of detection times and overhead, to avoid a proliferation
> > of different methods.
> >
> > Important characteristics of BFD include:
> >
> > - Simple, fixed-field encoding to facilitate implementations in
> hardware.
> >
> > - Independence of the data protocol being forwarded between two
> systems.
> >   BFD packets are carried as the payload of whatever encapsulating
> >   protocol is appropriate for the medium and network.
> >
> > - Path independence: BFD can provide failure detection on any kind of
> >   path between systems, including direct physical links, virtual
> circuits,
> >   tunnels, MPLS LSPs, multihop routed paths, and unidirectional links
> (so
> >   long as there is some return path, of course).
> >
> > - Ability to be bootstrapped by any other protocol that automatically
> >   forms peer, neighbor or adjacency relationships to seed BFD endpoint
> >   discovery.
> >
> > The working group is chartered to complete the following work items:
> >
> > 1. Develop the MIB module for BFD and submit it to the IESG for
> > publication as a Proposed Standard.
> >
> > 2a. Provide a generic keying-based cryptographic authentication
> mechanism
> > for the BFD protocol in discussion with the KARP working group.  This
> > mechanism will support authentication through a key identifier for the
> BFD
> > session's Security Association rather than specifying new
> authentication
> > extensions.
> >
> > 2b. Provide extensions to the BFD MIB in support of the generic
> > keying-based cryptographic authentication mechanism.
> >
> > 2c. Specify cryptographic authentication procedures for the BFD
> protocol
> > using HMAC-SHA-256 (possibly truncated to a smaller integrity check
> > value) using the generic keying-based cryptographic authentication
> mechanism.
> >
> > 3. Provide an extension to the BFD core protocol in support of
> point-to-
> > multipoint links and networks.
> >
> > 4. Assist the MPLS working group in the standardization of the BFD
> > protocol for MPLS-TP.  The preferred solution will be interoperable
> with the
> > current BFD specification.
> >
> > 5. Provide one or more mechanisms to run BFD over Link Aggregation
> Group
> > Interfaces.
> >
> > The working group will maintain a relationship with the KARP and MPLS
> > working groups, and will communicate with the IEEE with respect to BFD
> > over LAGs.
> >
> > Milestones:
> >   Done     - Submit the base protocol specification to the IESG to be
> > considered as a Proposed Standard
> >   Done     - Submit BFD encapsulation and usage profile for single-hop
> > IPv4 and IPv6 adjacencies to the IESG to be considered as a Proposed
> > Standard
> >   Done     - Submit BFD encapsulation and usage profile for MPLS LSPs
> to
> > the IESG to be considered as a Proposed Standard
> >   Done     - Submit BFD encapsulation and usage profile for multi-hop
> > IPv4 and IPv6 adjacencies to the IESG to be considered as a Proposed
> > Standard
> >   Sep 2011 - Submit the BFD MIB to the IESG to be considered as a
> > Proposed Standard
> >   Dec 2011 - Submit the generic keying based cryptographic
> authentication
> > mechanism to the IESG to be considered as a Proposed Standard
> >   Dec 2011 - Submit a BFD MIB extension in support of the generic
> keying
> > document to the IESG to be considered as a Proposed Standard
> >   Dec 2011 - Submit the cryptographic authentication procedures for
> BFD
> > to the IESG to be considered as a Proposed Standard
> >   Mar 2012 - Submit the the document on BFD point-to-multipoint
> support
> > to the IESG to be considered as a Proposed Standard
> >   Jun 2012 - Submit the bootstrapping mechanism for BFD using DHCP to
> the
> > IESG to be considered as a Proposed Standard
> >




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