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= 40cisco....@dmarc.ietf.org> wrote: > Hi Mahesh and Jeff, > > On 2020-07-20, 9:29 PM, "Rtg-bfd on behalf of Mahesh Jethanandani" < > rtg-bfd-boun...@ietf.org on behalf of mjethanand...@gmail.com> wrote: > > Hi Jeff, > > > On Jul 20, 2020, at 5:48 PM, Jeffrey Haas <jh...@pfrc.org> 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 > mjethanand...@gmail.com > > > > >
