[ih] Network "cutover" techniques - 1984 Old School

[Dan Lynch]

I especially liked the super sharp cutters to avoid incomplete beheadings. And as Brian noted the single switch to enable the new system 😂🙀👏

Dan

Cell 650-776-7313

> On Apr 7, 2021, at 12:21 PM, Jack Haverty via Internet-history <internet-history at elists.isoc.org> wrote:
> 
> A colleague found this documentary showing how major network transitions
> were performed circa 1984.   I thought it might be of historical
> interest, especially in comparison to techniques used for major
> transitions in the Internet.
> 
> https://www.youtube.com/watch?v=saRir95iIWk
> <https://www.youtube.com/watch?v=saRir95iIWk>
> 
> It took just "a few seconds" to complete the transition - a major
> improvement to the typical times of "minutes or even hours" that was the
> norm.
> 
> I suspect this practice is also the origin of the term "cutover", as in
> "cutover from NCP to TCP" or "cutover from IPV4 to IPV6".
> 
> /Jack
> 
> 
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