[NOBUGS] web remote instrument control summary

[Sandor Brockhauser]

Dear Kirilov,

I also find this topic really interesting!

Although there are numerous improvements from beamline managment side, 
we still have to face with lots of concerns from computer service 
managment side. Although there are definitly working (and already 
advertised) solutions, I feel that synchrotron beamline control 
responsibles (including safety engineers) are still not feel themselves 
comfortable.
I believe, the remote access is already becoming essential on some 
areas, and their future -namely if they can become rutine- is really 
depending on us.
I would definitely recommend to contact Peter Turner (University of 
Sydney, Australia), who is making a very nice work on this area. I am 
definitely waiting for the results of your survey!

Cheers,
Sandor



Kirilov A.S. wrote:
>
> Dear colleagues,
>
> The topic of using web technologies for remote experiment 
> control/supervising was quite popular at NOBUGS presentations. I would 
> like to summarize the current situation in this area. Unfortunately, 
> some reports do not accessible. Besides life is going on…
>
> Thus I would like to ask you for help. Could you, please, respond me 
> on approaches, systems, etc. known to you. I am interesting in any 
> information including general ideas, concrete mechanisms and details 
> of implementation as well as user impressions, commission problems, etc.?
>
> In particular,
>
> 1. [OS+webserver] What OS and what web-server are used? I guess that 
> Linux/Unix + Apache are most popular couple. Is there anybody who 
> applies Windows + IIS or Windows + Apache? Is there any other 
> possibilities?
>
> 2. [Control vs. Supervising] Are there any difficulties in 
> implementation web remote control systems compared with web 
> supervising systems? It is seems that it is easier to prevent 
> unauthorized access in case of supervising though the user wants 
> control access more often. Should the web remote control be full or 
> restricted? How protection against unauthorized access is provided (by 
> OS, etc.)?
>
> 3. What kind of information is accessible to the external user? How 
> communication between measuring system and web-server is organized? 
> What protocols or mechanisms are used to transfer commands, files, etc.?
>
> 4. What language is used for programming dynamic web-pages (php, 
> java-script, etc.)
>
> 5. How many instruments are served by the web-site? How long time the 
> system is in operation?
>
> I shall be glad to share the summary with all interested persons.
>
> With best regards,
>
> Andrei Kirilov.
>
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