[ih] bufferbloat and modern congestion control (was 4004)

[Greg Skinner]

On Oct 3, 2024, at 9:02 AM, Greg Skinner via Internet-history <internet-history at elists.isoc.org <mailto:internet-history at elists.isoc.org>> wrote:
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> Forwarded for Barbara
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> ====
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> Having trouble emailing again so i did some trimming on the original message....
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> Putting my packet radio hat back on, a source quench message could help disambiguate whether loss in the network is due to congestion or something else (like in wireless, loss due to harsh environments, jamming, mobility).   I also think it is not obvious what you should do when you receive a source quench, but to me trying to understand this is just part of trying to see if we can make things work better.  How about what you could do when you don't receive a source quench but have experienced loss?
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> How is network coding coming along these days?
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> barbara

Any serious attempts to reinstitute ICMP source quench would have to go through the IETF RFC process again because it’s been deprecated for some time. [1]  Also, many sites block ICMP outright (even though they’ve been warned not to do this). [2]

--gregbo

[1] https://datatracker.ietf.org/doc/rfc6633/
[2] https://www.linkedin.com/pulse/icmp-dilemma-why-blocking-makes-you-networking-noob-ronald-bartels-ikvnf