Re: [IPsec] Stephen Farrell's Yes on draft-ietf-ipsecme-ddos-protection-09: (with COMMENT)

Stephen Farrell <stephen.farrell@cs.tcd.ie> Tue, 27 September 2016 19:31 UTC

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To: Yoav Nir <ynir.ietf@gmail.com>
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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Cc: ipsec@ietf.org, ipsecme-chairs@ietf.org, draft-ietf-ipsecme-ddos-protection@ietf.org, The IESG <iesg@ietf.org>, David Waltermire <david.waltermire@nist.gov>
Subject: Re: [IPsec] Stephen Farrell's Yes on draft-ietf-ipsecme-ddos-protection-09: (with COMMENT)
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On 27/09/16 20:21, Yoav Nir wrote:
> Looking at the IPR statement you linked to, it does not seem relevant
> to me, but IANAL. The proof-of-work scheme described in the patent
> ([2]) involves setting a time limit for the client to complete the
> puzzle solution. The puzzle in our draft has a set difficulty level,
> but no time limit for the Initiator to solve it.

FWIW, that sounds reasonable to me. But I've given up pondering
what lawyers think about patents so folks can make up their own
minds;-)

S.