[ih] TCP RTT Estimator

Craig Partridge craig at tereschau.net
Fri Apr 18 10:30:22 PDT 2025


On Fri, Apr 18, 2025 at 11:25 AM Andrew G. Malis via Internet-history <
internet-history at elists.isoc.org> wrote:

> Jack,
>
> > Thinking back, I can't recall the reason for including checksums in TCP
> at all.
>
> It was primarily to catch memory errors, which were a real thing back in
> the core memory days. Errors during transmission were generally caught by
> the lower layers.
>

Memory errors are back.... I'm on a team that has caught them in disk
caches :-(
Craig


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