Hi,
Thanks for addressing my comments on -00.
My only technical comment is that on the reflector there is now lookup to be
done to craft the response packet baased on the packet sent by the initiator. I
believe this is "unusual" in BFD, not saying it is wrong (not yet anyway...).
And it has the impact that it could be difficult to do responder functionality
in "fast-path".
Regards,Reshad.
On Tuesday, July 12, 2022, 10:41:29 AM EDT, linchangwang
<[email protected]> wrote:
Hi WG & Chairs
We updated the draft: draft-lin-sbfd-path-consistency-over-srv6-02.
https://datatracker.ietf.org/doc/draft-lin-sbfd-path-consistency-over-srv6/
This draft describes the method of keep the path consistency of sbfd in
detecting SRv6 policy through Path Segment,
and this draft has been presented at the spring meeting of IETF113.
The new version modified the description of sbfd packet encapsulation refer
to [draft-liu-bfd-srv6-policy-encap].
Any comments on the draft are welcome.
Thanks,
Changwang lin
-----Original Message-----
From: I-D-Announce [mailto:[email protected]] On Behalf Of
[email protected]
Sent: Monday, July 11, 2022 2:03 PM
To: [email protected]
Subject: I-D Action: draft-lin-sbfd-path-consistency-over-srv6-02.txt
A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : S-BFD Path Consistency over SRv6
Authors : Changwang Lin
Weiqiang Cheng
Wenying Jiang
Filename : draft-lin-sbfd-path-consistency-over-srv6-02.txt
Pages : 12
Date : 2022-07-10
Abstract:
Bidirectional Forwarding Detection (BFD) can be used to monitor
paths between nodes. Seamless BFD (S-BFD) provides a simplified
mechanism which is suitable for monitoring of paths that are setup
dynamically and on a large scale network. In SRv6, when a headend
use S-BFD to monitor the segment list/CPath of SRv6 Policy, the
forward path of control packet is indicated by segment list, the
reverse path of response control packet is via the shortest path
from the reflector back to the initiator (headend) as determined by
routing. The forward path and reverse path of control packet are
likely inconsistent going through different intermediate nodes or
links. This document describes a method to keep the forward path and
reverse path of S-BFD consistent when detecting SRv6 Policy.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-lin-sbfd-path-consistency-over-srv6/
There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-lin-sbfd-path-consistency-over-srv6-02
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-lin-sbfd-path-consistency-over-srv6-02
Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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