Hi Tony, My intension was not to talk about math/engineering/marketing or compare the size of marketing department. Them are not relevant to this thread. I want to make clear about IETF process. In my understanding the document does not need to be perfect at this stage, as long as it is in the right direction to solve some acknowledged problem( IGP scalability). Comments will be helpful if it could provide ideas about how to improve. But IMO the discussion in the mailing list about this draft has gone off the rails of technology, including keeping challenging tradeoff between value and complexity, which seems reasonable at the first sight, but at this stage, has turned out to be a question with no right answer and may bring endless argument.
Thanks Xuesong From: Tony Li [mailto:tony1ath...@gmail.com] On Behalf Of tony...@tony.li Sent: Wednesday, September 2, 2020 12:07 PM To: Gengxuesong (Geng Xuesong) <gengxues...@huawei.com> Cc: Huaimo Chen <huaimo.c...@futurewei.com>; Les Ginsberg (ginsberg) <ginsberg=40cisco....@dmarc.ietf.org>; Les Ginsberg <ginsb...@cisco.com>; Acee Lindem (acee) <acee=40cisco....@dmarc.ietf.org>; lsr@ietf.org Subject: Re: [Lsr] LSR WG Adoption Poll for "IS-IS Topology-Transparent Zone" - draft-chen-isis-ttz-11.txt Hi Xuesong, Apologies first if I have missed any history of this discussion. But I’m not sure that we have to evaluate whether a method is “optimal” before WG adoption. Why not adopt some alternative solutions and leave the choice to industry/market? First off, this is engineering, not theoretical math. Optimal is not the issue. Heck, optimal isn’t even a goal. What we are looking for is value and value that outweighs the complexity. Leaving the choice to the market is a bad idea. The market does NOT make sound technical decisions. It makes pseudo-random decisions not based on technical merits. The canonical example here is VHS vs Betamax. Better technology lost. Second, the market is unduly influenced by marketing. The size of your marketing department exceeds the size of my entire (not tiny) company. And it’s still second to that of Cisco. Marketing does not make good technical and architectural decisions. That’s our job. Tony
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