Re: Difference between ipp, ipps, http, https CUPS protocols?

[Brian <ad44@cityscape.co.uk>]

On Wed 13 Nov 2019 at 13:55:57 -0000, Dan Purgert wrote:

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> Brian wrote:
> > On Tue 12 Nov 2019 at 20:27:00 -0000, Dan Purgert wrote:
> >
> >> Brian wrote:
> >> >> 
> >> >> Not really, tbh.  I haven't had to look that deeply into the state of
> >> >> printing in ... well, much longer than I thought it'd been this morning.
> >> >> 
> >> >> Time flies :| 
> >> >
> >> > So, when CUPS ceases to support PPDs (probably in a couple of years),
> >> > your and mine classic printers will cease to work. Is there a magic
> >> > wand someone can wave?
> >> 
> >> LPRng? :)
> >
> > A clapped-out, unsupported and ancient printing system. That's
> > going to go down well with users in 2019.
> 
> You asked about the "classic" printers we both (apparently) own.  Mine
> here still support being addressed via LPR/LPD, not to mention PCL,
> postscript, etc.

I wish I hadn't been so disparaging about about LPRng. People should be
able to use what they want to use, and, if LPRng fits, why not? OTOH,
it is unable to do what a modern CUPS system can do and does not offer
what many users want, particularly when it comes to easy setup.

> Can't speak for your users, but mine don't know their print jobs are
> (still) backed by LPD/LPR.  But then again, they don't notice much
> beyond "does facebook work today".  Good people, just not the most
> technical.

I wonder how many modern printers support the lpd protocol?

-- 
Brian.