[nm-wg] [Fwd: [I2G2-Proto] Announcing the completion of phase 0 of prototype (finally :) )]

Thu Aug 4 01:50:00 CDT 2005

We still don't have installation guide but pretty soon me and Loukik
will prepare this.

Roman

Jason Zurawski wrote:

> FYI.  Anyone interested in downloading the code for demo purposes from
> the development CVS should contact Jeff Boote (boote at internet2.edu)
> for an account.
>
> -jason
>
> ------------------------------------------------------------------------
>
> Subject:
> [I2G2-Proto] Announcing the completion of phase 0 of prototype
> (finally :) )
> From:
> Loukik Kudarimoti <Loukik.Kudarimoti at dante.org.uk>
> Date:
> Wed, 03 Aug 2005 15:56:41 +0100
> To:
> Prototype-JRA1 <GN2-JRA1-prototype at dante.org.uk>
>
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>
> Hello all,
>
> Some good news! We are all glad to let you know that phase 0 of the
> prototype is now complete! Although a bit overdue, we have managed to
> achieve what we planned to achieve and in the process, we have gained
> a significant amount of experience in doing similar work.
>
> ---Here is an overview of what was planned---
> * Come up with a basic design of service components to ensure design
> pattern is followed in other services' design so and unnecessary work
> can be ruled out.
> * Provide the capability to retrieve measurement data from RRD (Round
> Robin Database) files
> * *   Provide an optimised way of data retrieval. This is to reduce
> system overheads when data is asked repeatedly.
> * *   A Web Service interface should be used for this purpose
> * *  Any defined web service standards should be used
> * Use NM-WG version 2 schemas for communications
> * Come up with a new format of configuration files which store
> information about available rrd files and any related meta-data
>
> ---Here is what we achieved---
> * Generic service design: We have designed interfaces for different
> components and we strongly think that they can be used for all types
> of services.
> *  The capability to retrieve measurement data from RRD has been
> tested and declared to be working(+). Document/literal style of web
> services which seems to be the best suited in this case has been used.
> Optimised data retrieval methods have been put in place.
> * NM-WG version 2 schemas have been used for communications. Schemas
> and example-instances are available
> * New format of config file follows NM-WG version 2 schemas designed
> for storage. Usage of such config files have been tested and declared
> to be working
> * GEANT2 will be providing data for some interfaces on all its routers
> and for different classes of service. The existing test pilot service
> will soon start providing real time data.
>
> ---Highlights of some things that we have worked on which we see as
> important for this prototype---
> * Generic Design of components of services
> * First use of NM-WG version 2 schemas
> * Well defined package structure for the project
> * Sophisticated logging mechanisms - usage of log4j
> * Error and exception handling definitions
> * Well managed service properties
> * Structured configuration file
> * SAX based reading of xml
> * In-line documentation using Javadoc
> * Easy to use build scripts
> and more...
>
> Next steps include some documentation about what we have done and what
> we have learnt. Efforts are already underway here:
> http://monstera.man.poznan.pl/wiki/index.php/Coding_Standards.
>
> We are positive that the delays that we experienced can be seen as
> initial delays (difficulties at lift off) and shouldn't be the same
> for later stages.
>
> Best regards,
> Loukik.
>

-- 

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