On 06/09/2012 15:44, Sam Heard wrote:
> Hi Tom
>
> I absolutely agree with your summary. Technically I think making use 
> of obsolescence is the appropriate way to go in software. No competent 
> vendor will put out an operating system, compiler or software that 
> breaks existing tools without doing the work for them.
>
> The point I am making is that there are now health records out there 
> so we need to be absolutely clear that existing health records will 
> work with changes. If we want to use upgrade scripts these need to be 
> handled between releases so that the old and new work at the same time 
> for a while and ensure we have planned obsolescence over a period of 
> software cycles (say 3-5 years).*
> *

yep. That's called release management ;-)

- thomas

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