IPR call for draft-nitish-vrrp-bfd-p2p

Chris Bowers <chrisbowers.ietf@gmail.com> Thu, 14 December 2017 16:44 UTC

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From: Chris Bowers <chrisbowers.ietf@gmail.com>
Date: Thu, 14 Dec 2017 10:44:27 -0600
Message-ID: <CAHzoHbvCZ6xMyPfpd6+qKJA1yeji7fdSYET3sYx8Xqj4evBvOg@mail.gmail.com>
Subject: IPR call for draft-nitish-vrrp-bfd-p2p
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draft-nitish-vrrp-bfd-p2p is currently an individual draft.  Before
a poll regarding working group adoption by RTGWG, I would like to get
responses from
the authors and contributors regarding any IPR related to this draft.

First, there is some history associated with this draft that is useful to

In June of 2015, draft-nitish-vrrp-bfd-00 was published based on the use of
point-to-point BFD by VRRP.

In July of 2015, draft-mirsky-bfd-p2mp-vrrp-use-case-00 was published
based on the use of point-to-multipoint BFD by VRRP.

In October of 2015, after suggestions from the WG, the two drafts above
merged into draft-nitish-vrrp-bfd-02.

In January of 2016, the following IPR was disclosed related to
draft-nitish-vrrp-bfd-02 was the current version of draft-nitish-vrrp-bfd
when this IPR
was disclosed.

In October of 2016, a WG adoption poll was conducted regarding
There was not consensus to adopt the draft due to IPR concerns.  See this
email for details.

In August of 2017, draft-nitish-vrrp-bfd-p2p-00 was published.

In October of 2017, a new revision of draft-mirsky-bfd-p2mp-vrrp-use-case
(rev-01) was published.

In December of 2017 (yesterday to be precise), an minor update to
draft-nitish-vrrp-bfd-p2p was published.

It is my understanding from discussions with the authors of these drafts,
both inside and outside of the RTGWG sessions at IETF100, that
draft-nitish-vrrp-bfd-p2p was written with the goal of separating the
of the merged draft back into two separate drafts in such a way that
the IPR disclosed in https://datatracker.ietf.org/ipr/2739/ does not apply

Having documented that history, I would now like to conduct the usual
RTGWG process regarding IPR, specifically for IPR related to


If you are listed as an author or contributor to draft-nitish-vrrp-bfd-p2p,
please respond to this email stating whether or not you are aware of any
IPR that applies to draft-nitish-vrrp-bfd-p2p. The response needs to be sent
to the RTGWG mailing list. The document will not advance to the next stage
until a response has been received from each author and each individual
that has contributed to the document.