[Go-essp-tech] CMIP5 Datanode : data access services.

[Cinquini, Luca (3880)]

Hi Sebastian,
	the ESGF security infrastructure can be used for opendap access - infact, this is already working at JPL. Once opendap
access is configured with security, users can use either a browser or an esg-enabled client to access datasets.

I will try to write some documentation on the esgf.org wiki either this evening or tomorrow, and then let you try it out...

thanks for raising the issue, I meant to start an email conversation on this but never quite got to it...

Luca

On May 2, 2011, at 7:32 AM, Sébastien Denvil wrote:

>  Dear all,
> 
> we received increasing demand asking for regional model boundary 
> conditions from CMIP5 simulations. Those datasets are heavy and 
> therefore "wget" is not my favourite answer. I would like this answer to 
> be base on a ESG-F solution and not a home made one.
> 
> In order to build a meaningful response I would like to know what are 
> the plan regarding the datanode to have :
> - openDAP enable with CMIP5 filters.
> - netCDF subsets enable with CMIP5 filters.
>     * openDAP and/or netCDF subsets will be very useful for those 
> focusing on a specific region (Africa OR Asia for example). They could 
> then extract only the area of interest.
> 
> - gridFTP enable with CMIP5 filters.
>     *gridFTP will be very useful for those focusing on many regions 
> and/or doing the CORDEX exercise but without a limited area model. It's 
> very likely that they will download the whole datasets.
> 
> My understanding is that gridFTP is not fully functional at this point 
> of time and that openDAP and netCDF subsets are not yet secure by the 
> ESG-F security layer.
> 
> A corollary coming from those questions : Is there a documentation we 
> could refer to if we want to update a production data node?
> 
> Please refine my understanding.
> 
> Thanks.
> Sébastien
> 
> -- 
> Sébastien Denvil
> IPSL, Pôle de modélisation du climat
> UPMC, Case 101, 4 place Jussieu,
> 75252 Paris Cedex 5
> 
> Tour 45-55 2ème étage Bureau 209
> Tel: 33 1 44 27 21 10
> Fax: 33 1 44 27 39 02
> 
> 
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