Re: Couple comments on draft-ali-spring-bfd-sr-policy

2018-03-22 Thread Greg Mirsky
Hi Ketan, much obliged by you kind comment on BFD Directed work. The issue with IP network convergence is the reason we've started work to enable optional control of the reverse path of BFD session over p2p MPLS LSP. My concern with the current text of draft-ali-spring-bfd-sr-policy is that the con

notification: Changes to draft-ietf-bfd-yang

2018-03-22 Thread Jeffrey Haas
The BFD Yang document has beens submitted to the IESG. I'd like to thank the members of the BFD Yang design team, the authors, and the Working Group on the effort that went into this document. Yang documents in general are difficult things to write, especially with the evolution of the technology

Re: [mpls] New Version Notification for draft-mirsky-mpls-bfd-bootstrap-clarify-00.txt

2018-03-22 Thread Reshad Rahman (rrahman)
Hi, In the BFD meeting yesterday there was discussion about lack of clarity on what the spec says wrt to the discriminator TLV being sent by the egress node in the echo reply and that this causes interop issues. From RFC 5884: The egress LSR MAY respond with an LSP Ping Echo reply message th

Re: [mpls] New Version Notification for draft-mirsky-mpls-bfd-bootstrap-clarify-00.txt

2018-03-22 Thread Greg Mirsky
Hi Reshad, your analysis of the text is absolutely correct. My concern is the possible analysis of the Discriminator by ingress LER and it comparing to My Discriminator of the received BFD control packets. According to the RFC 5884 both must match but because LSP Echo reply does not provide suffici

Re: [mpls] New Version Notification for draft-mirsky-mpls-bfd-bootstrap-clarify-00.txt

2018-03-22 Thread Greg Mirsky
Hi Carlos, if the group agrees that I'm overparanoid I'll accept that and forever hold my peace. Regards, Greg On Thu, Mar 22, 2018, 7:00 PM Carlos Pignataro (cpignata) < cpign...@cisco.com> wrote: > Hi, Greg, > > > > That, to me, reads like over-specifying. Are you aware of any > implementation

Re: [mpls] New Version Notification for draft-mirsky-mpls-bfd-bootstrap-clarify-00.txt

2018-03-22 Thread Carlos Pignataro (cpignata)
Hi, Greg, That, to me, reads like over-specifying. Are you aware of any implementation attempting to do that? There’s no text for that comparison – why would an implementation do that? Thanks, Carlos. From: Greg Mirsky Date: Thursday, March 22, 2018 at 12:18 PM To: "Reshad Rahman (rrahman)"