[ih] TCP RTT Estimator

[Leonard Kleinrock]

Hi Dave,,
As I understood it, the CRC code was especially easy and powerful for detecting errors, but extremely complicated for correcting errors. I would’ve guessed that the error detection was indeed CRC (the BCH code). 
Len

Sent from my iPhone

> On Apr 17, 2025, at 8:19 AM, David Finnigan via Internet-history <internet-history at elists.isoc.org> wrote:
> On 13 Apr 2025 6:57 am, John Day via Internet-history wrote:
>> Sometime ago, (I think it was Jack Haverty) said that the TCP checksum
>> was a placeholder until they could consult someone to advise them on
>> what to use and it got lost in the shuffle.  ;-)
> 
> Even RFC 791 [Sep 1981] states "experimental evidence indicates it [the checksum] is adequate, but it is provisional and may be replaced by a CRC procedure, depending on further experience."
> 
> -David Finnigan
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