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What's your estimate for the cost of changing legacy protocols that use CRLF vs. the work that will be done to support those?

My intuition (not emotion) agrees with the parent that investing in changing legacy code that works, and doesn't see a lot of churn, is likely a lot more expensive than leaving it be and focusing on new protocols that over time end up replacing the old protocols anyways.

OP does not really talk about the benefit, he just opines. How many programmers are vexed when implementing "HTTP, SMTP, CSV, FTP"? I'd argue not many programmers work on implementations of these protocols today. How much traffic is wasted by a few extra characters in these protocols? I'd argue almost nothing. Most of the bits are (binary, compressed) payload anyways. There is no analysis by OP of the cost of not complying with the standard which potentially results in breakage and the difficulty of being able to accurately estimate the breakage/blast radius of that lack of compliance. That just makes software less reliable and less predictable.



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