IPP Printer URI question

[Helge Blischke]

John Dunn wrote:

> If I set up an IPP printer in CUPS, but configure the URI as e.g
> socket://IPaddress:9100, will I be able to use all IPP commands I would if
> using an ipp:// url ?
> 
> Is CUPS actually talking IPP to the printer in this case when using a
> socket URI?

Certainly not (IPP is a protocol based on HTTP as transport protocol and is 
essentially a two way conversation - requests and responses).

Helge