Alan Burlison wrote:
> Joseph Kowalski wrote:
>
>> My reading of Perl was that we did the multiple installations to 
>> allow rolling upgrade (which the mail trail refers to as turning 
>> "flag days into flag periods").
>
> Correct.  A customer should always be able to upgrade to Solaris+1 
> without forcing them to switch perl version.  They then have until 
> Solaris+2 to migrate, at which point the oldest of the 2 versions of 
> perl that we ship will have been removed.
Of course, the flaw here is many of our customer do upgrade, but skip 
releases (old data: circa 5.5-5.8), so this doesn't work for them.

That said, I'm comfortable with the approach.  We gave them a viable path.

- jek3


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