[AG-TECH] SharedApp on non-venue-client machine?

Ivan R. Judson judson at mcs.anl.gov
Wed Sep 22 01:17:00 CDT 2004

Hey Markus, 

I would love to see this discuss very broadly so we can come up with a set
of requirements to solve this problem once. This task is something that we
won't be able to tackle in the current dev cycle (we have a lot on our plate
now that should make things significantly better),  but we have been
discussing it as one of the areas that needs attention very soon, for
various reasons. 

This has also come up in EVL's SC Global presentation, and it has appeared
in various other places as well.

Here are the considerations that I think need to be remembered:

1) How do you do this kind of thing generically (ie, what if the software
needs user input, has a UI, etc)
2) How do you limit the execution to trusted code? or otherwise limit the
liability of potentially running arbitrary code on any machine in your node?
3) Can these apps/services be launched or controlled by users elsewhere?
4) What's the minimum interface that is needed to explore these issues?


> -----Original Message-----
> From: owner-ag-tech at mcs.anl.gov 
> [mailto:owner-ag-tech at mcs.anl.gov] On Behalf Of Markus Buchhorn
> Sent: Tuesday, September 21, 2004 11:07 PM
> To: ag-tech at mcs.anl.gov
> Subject: [AG-TECH] SharedApp on non-venue-client machine?
> Hi All
> I'm looking at better ways of managing our (multi-machine) 
> nodes. One of the things I want to do is have the operation 
> be remote to the node, by having the venue-client running on 
> (for example) the control machine. (I'd really like to have 
> multiple venue clients (or just one?) on a single machine, 
> operating multiple separate AG nodes across our campuses, but 
> that's a little way off yet).
> The one thing that gets in the way seems to be that 
> SharedApps (browser, presentations, etc.) appear on the same 
> machine as the venue client. This seems to tie the 
> SharedApps, the venue client and the display machine 
> together. That seems to be against the architecture of 
> distributed node-services and service managers. So, I'm 
> probably doing something wrong :-)
> Is there a way of configuring a node so that the sharedapps 
> appear on the display machine (say), rather than the 
> venue-client machine? 
> Thanks!
> Cheers,
> 	Markus
> Markus Buchhorn, ANU Internet Futures             |Ph: +61 2 61258810
> Markus.Buchhorn at anu.edu.au                        |Fx: +61 2 61259805
> The Australian National University, Canberra 0200 |Mob: 0417 281429

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