Hi Antonio,
Sorry for not getting to this sooner; we were all busy with the 2015
Training Workshop last week.
You may want to take a look at cdmremote [1]. It's an experimental protocol
we've been developing that compares quite favorably to OPeNDAP. In terms of
performance, "The java implementation of ncstream should be (close to)
maximal I/O efficient." And yes, it is certainly possible for NetCDF-Java
to access a THREDDS server using cdmremote as long as that server enables
it as a data access service. Here [2] is an example on one of our servers.
Cheers,
Christian
[1]
http://www.unidata.ucar.edu/software/thredds/current/netcdf-java/reference/stream/CdmRemote.html
[2]
http://thredds-jumbo.unidata.ucar.edu/thredds/cdmremote/grib/NCEP/GFS/Global_0p25deg/Best?req=form
On Tue, Jul 21, 2015 at 11:26 AM, Antonio Rodriges <antonio.rrz@xxxxxxxxx>
wrote:
> Sorry for posting this question on the mail list, however I could not
> find the answer after googling.
>
> The THREDDS page [1] lists the supported protocols: "OPeNDAP, OGC WMS
> and WCS, HTTP, and other remote data access protocols."
> Also, it is noted that "The Netcdf-Java/CDM library reads NetCDF, OpenDAP,
> ..."
>
> My question is :
> 1) what are other protocols that are supported by TDS?
> 2) which protocol is the fastest? For example, has the lowest
> overheads in network I/O or creating output data, etc or their is no
> definite answer?
> 3) is it possible to use Netcdf-Java to access TDS using other
> supported protocols or Netcdf-Java can access TDS only via OpenDAP?
>
> Thanks
>
> [1] http://www.unidata.ucar.edu/software/thredds/current/tds/TDS.html
>
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