Re: [ssm] SSM and IPR
Pekka Savola <pekkas@netcore.fi> Fri, 25 April 2003 04:54 UTC
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Date: Fri, 25 Apr 2003 07:52:35 +0300
From: Pekka Savola <pekkas@netcore.fi>
To: Bill Fenner <fenner@research.att.com>
cc: ssm@ietf.org
Subject: Re: [ssm] SSM and IPR
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On Thu, 24 Apr 2003, Bill Fenner wrote: > >Just browsing the IPR archive I noted Apple claiming possible IPR on > >draft-ietf-ssm-arch-02: > > > >http://www.ietf.org/ietf/IPR/APPLE-SSM.txt > > > >Anyone looked at that? > > Of course, a judge's interpretation is the only one that matters, but > my reading of the claims is that several of them could apply to SSM. > (It may apply to only 4-hop networks, and there's a typo in claim 3 > which may invalidate claims 3 and 4 meaning that it would only apply > to 2-hop networks, but those are way too subtle calls for a non-lawyer > to make). > > (Claims 5-17 don't seem to me to apply to SSM, since they all involve > the sender explicitly requesting something from the network) As a matter of fact, most claims seem to mainly cover unicast-prefix -based addressing. I could also see multicast address assignment protocols impacted. I'm unsure of the SSM-specific claims as I fail to see them mention the use of the source address as an identifier. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ ssm mailing list ssm@ietf.org https://www1.ietf.org/mailman/listinfo/ssm
- [ssm] SSM and IPR Pekka Savola
- Re: [ssm] SSM and IPR Bill Fenner
- Re: [ssm] SSM and IPR Pekka Savola