Re: The future of cups-browsed
+1
For non IPP scenarios, older server versions, and customizing URIs as
preferred.
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El 13/08/18 a les 18:37, Brian Potkin ha escrit:
> Just a couple of observations, which might be useful.
>
> We read at
>
> https://lists.cups.org/pipermail/cups-devel/2017-May/016988.html
>
> that
>
> > In small home networks and on mobile devices cups-browsed is not actually
> > needed any more, as the IPP backend replaces it in this simple case of not
> > needing load-balancing printer clusters and remote CUPS servers being CUPS
>
> and its replacement utilises the ability of CUPS versions 2.2.4 and
> later to browse DNS-SD broadcasts and create a temporary queue.
>
> > 2. IPP backend - Lists printers discovered by DNS-SD, IPP network
> > printers, IPP-over-USB printers, and remote CUPS queues, when the user
> > selects one to print on, a temporary CUPS queue is created so that
> > options can be displayed and the job be sent.
>
> AFAICT, CUPS only enumerates temporary queues for remote, non-raw
> queues and this would rule out display of some types of Tea4CUPS
> queues, for example. I take the point but, in a case like this,
> cups-browsed has the edge and a very useful part to play. There are
> probably other use cases where losing a raw queue display would be
> undesirabale.
>
> Later in the linked mail:
>
> > cups-browsed will be continued, to provide additional functionality,
> > especially interoperability of CUPS 1.5.x or older with CUPS 1.6.x or
> > newer, to create load-balancing printer clusters, and to allow complex
> > filtering on which remote queues/printers one wants to see and which not.
>
> Very pleased to know this, but note that the complex filtering is
> not available with apps in unstable. Qt apps and libreoffice both
> use CUPS' temporary queue feature. Let's say there are ten queues
> displayed. When cups-browsed is installed it becomes the automatic
> queue creator. There are no duplicated queues and the dialog still
> shows ten queues.
>
> If five of the cups-browsed managed queues are filtered out, they
> are replaced by five of CUPS' temporary queues.
>
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