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by randomifcpfan 1849 days ago
Yes, exactly. See this lwn article for more discussion of ossification: https://lwn.net/Articles/745590/
1 comments

> SCTP has been around for years, but middleboxes still do not recognize it and tend to block it. As a result, SCTP cannot be reliably used on the net. Actually deploying a new IP-based protocol, he said, is simply impossible on today's Internet.

Well, IPv6 shows that it's hard, but possible.

Also see how new broadcast "protocols" were forced on TV manufacturers by various governments worldwide.