Re: I-D Action: draft-ietf-bfd-optimizing-authentication-10.txt

[Manav Bhatia <[e-mail]>]

GIven that there isnt a huge advantage in using Auth during INIT -> INIT
and Down -> Down we should probably stick to NULL for the sake of
simplicity. Unless, somebody finds a problem with using NULL.

Cheers, Manav

On Thu, Jul 23, 2020 at 6:32 AM Reshad Rahman (rrahman) <rrahman=
[e-mail]> wrote:

> Hi Mahesh and Jeff,
>
> On 2020-07-20, 9:29 PM, "Rtg-bfd on behalf of Mahesh Jethanandani" <
> [e-mail] on behalf of [e-mail]> wrote:
>
>     Hi Jeff,
>
>     > On Jul 20, 2020, at 5:48 PM, Jeffrey Haas <[e-mail]> wrote:
>     >
>     > Mahesh,
>     >
>     > While reviewing version -10, I had the following questions:
>     >
>     > For the state machine changes, in the Init->Init state, we have NULL
> auth.
>     > While this is a "boring" transition, it's also happening at a very
> slow part
>     > of the state machine; timers should be once a second.  Is there a
> strong
>     > argument to use NULL here?
>
>     Not particularly. The reason to choose NULL was because of the
> (limited) impact it would have. But if the WG feels otherwise, I can change
> it to Auth.
> <RR> I don't have a strong opinion on this yet. But if we change
> INIT->INIT to be Auth, we should be consistent and change Down->Down to
> Auth too?
>
> Regards,
> Reshad.
>
>     >
>     > In section 3:
>     > :   Sequence Number: The sequence number for this packet.
> Implementation
>     > :   may use sequence numbers (bfd.XmitAuthSeq) as defined in BFD
>     > :   [RFC5880], or secure sequence numbers as defined in Secure BFD
>     > :   Sequence Numbers [I-D.ietf-bfd-secure-sequence-numbers].
>     >
>     > In the core BFD spec, it distinguishes between occasional and
> meticulous
>     > modes and uses different code points to determine what you do.  I
> suspect
>     > your intent is that we always use meticulous mode here?
>
>     Yes, the intent was meticulous. I can clarify that.
>
>     >
>     > -- Jeff
>     >
>     >
>     > On Mon, Jul 13, 2020 at 01:56:14PM -0700, Mahesh Jethanandani wrote:
>     >>> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
>     >>> This draft is a work item of the Bidirectional Forwarding
> Detection WG of the IETF.
>     >>>
>     >>>       Title           : Optimizing BFD Authentication
>     >>>       Authors         : Mahesh Jethanandani
>     >>>                         Ashesh Mishra
>     >>>                         Ankur Saxena
>     >>>                         Manav Bhatia
>     >>>         Filename        :
> draft-ietf-bfd-optimizing-authentication-10.txt
>     >>>         Pages           : 8
>     >>>         Date            : 2020-07-13
>     >>>
>     >>> Abstract:
>     >>>  This document describes an optimization to BFD Authentication as
>     >>>  described in Section 6.7 of BFD RFC 5880.  This document updates
> RFC
>     >>>  5880.
>     >
>     >
>
>     Mahesh Jethanandani
>     [e-mail]
>
>
>
>
>