W dniu 22.04.2020 o 19:54, Pew, Curtis G pisze:
On Apr 22, 2020, at 11:40 AM, Charles Mills <charl...@mcn.org> wrote:
It's nowhere near as bad as Y2K. Y2K potentially affected just about
everything. Everything with a date calculation. Everything that accepted or
printed a date.
That’s an important point. Dates are often used in calculations. SSNs mostly
just used as keys and stored. For Y2K we had to fix code that was doing date
arithmetic, but you wouldn’t have that if they expanded SSNs.
To complement: Y2K had a deadline. The date of implementation could not
be changed.
As someone described, there is approx 80 years to exhaust SSN space. So,
let's assume:
5 years of doing nothing
5 years for designing the change and discussion
10 years for implementation the change
another 5 years to help them who didn't do it yet
another 5 years for them who still didn't do it.
and there is still 50 years of buffer.
My idea how to change SSN: simply add alpha character. Your existing SSN
would become A 123-456-789. Of course an SSN without the prefix has the
letter A by default.
Then next SSNs would have B prefix. Then (how many years later?) C, then
D...
Not enough? Then start with two-letter prefix: AA, AB, AC...
My €0.02
--
Radoslaw Skorupka
Lodz, Poland
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