Re: CA Provider for PVXS

["Dmitry Yu. Bolkhovityanov via Tech-talk" <tech-talk at aps.anl.gov>]

Hi Kay,

On Mon, 8 Jun 2026, Kasemir, Kay via Tech-talk wrote:

> The hard part is of course that you can never get 2 people to agree on what such a ?PV?, the common denominator of all protocols, should look like.
Is there really much disagreement?

A "PV" usually consists of:

1. The data itself (with type descriptor - int/float/..., # of elements).
2. A timestamp.
3. A "status" of some kind (STAT+SEVR, quality, a bitmask of errors, ...).

Or are you talking about API?  That is usually "read, write, monitor". 
Even TANGO, with its messy DeviceAttribute (whose internals violate most 
"good design practices") is compatible (and pairable) with EPICS.

With best regards,
Dmitry