[Go-essp-tech] Notification & Data Node Architecture

[Dean N. Williams]

We will be starting with the DRS discussion... Attached is Stephen's  
document.

-Dean

(925) 424-8105 access 305757#

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On Dec 15, 2009, at 7:52 AM, Gavin M Bell wrote:

> Hello Gentle-people,
>
> Today's talk will cover the data node version notification subsystem  
> as
> well as a discussion regarding the overall data node architecture that
> supports this feature.
>
> Goal:
> To provide notification to data node users about version changes of
> interest (files they have in their possession).
>
> Notification Modes:
> *email (currently)
> (rss)
> (sms)
>
> May be expanded to provide notifications not only on file versions but
> other information.  Ex: System monitoring and metrics alerts, etc...
>
> Notification process (mark and sweep):
> 1 users download files
> 2 publisher publishes version change (mark)
> 3 notification agent sends out message (sweep)
> goto 1
>
> Data Node Architecture:
> http://*rainbow.llnl.gov/dist/Data_Node_Architecture_v8.tiff
> Motivated by need to provide a place to plug notification into...
>
> ESG Data Node Manager
> - Manages and coordinates the constituent parts of the software stack
> - Pluggable, architecture made to support any number of participating
> modules.
> - 'Always On' service for synchronous and asynchronous rpc calls.
>
>
> -- 
> Gavin M. Bell
> Lawrence Livermore National Labs
> --
>
> "Never mistake a clear view for a short distance."
>       	       -Paul Saffo
>
> (GPG Key - http://*rainbow.llnl.gov/dist/keys/gavin.asc)
>
> A796 CE39 9C31 68A4 52A7  1F6B 66B7 B250 21D5 6D3E
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