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Recent SDMX IT developments at the OECD SDMX Expert Group Meeting 13 - 14 September 2012 OECD, Paris By Jens Dossé and Jonathan Challener.

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Presentation on theme: "Recent SDMX IT developments at the OECD SDMX Expert Group Meeting 13 - 14 September 2012 OECD, Paris By Jens Dossé and Jonathan Challener."— Presentation transcript:

1 Recent SDMX IT developments at the OECD SDMX Expert Group Meeting September 2012 OECD, Paris By Jens Dossé and Jonathan Challener

2 Current SDMX web service features in.Stat (1) DSD 2.0: soap + rest Generic data 2.0: soap + rest Compact data 2.0: soap MSD 2.1: soap Generic metadata 2.1: soap

3 Current SDMX web service features in.Stat (2) Full streaming (data messages) SSO authentication + authorization HTTP compression Incremental updates Dynamic generation of DSD, MSD and schema for compact message

4 Implementation of version 2.1 So far: –MSD and metadata message: most urgent since 2.0 lacked flexible attachment levels Whats next: –Full implementation through SDMX-RI integration Joint effort by SIS-CC especially ISTAT Mapping from dissemination db to agreed SDMX structures SDMX 2.1 web service Local registry

5 Improving security of SDMX web services 3-tier architecture within.Stat SQL injection protection Denial of service protection: - limitation to non-concurrent requests - limitation in maximum data size

6 Improving error messages in SDMX web services SOAP WS returns SDMX-defined SOAP errors REST WS return SDMX-defined HTTP errors Challenge: –Implementation of SDMX faultcode specification in soap errors sdmxerror:500

7 Unit and power code information in SDMX data messages Defined in.Stat at different levels: –Dataset, –specific unit dimension, –codes of 1 dimension, –combination of codes of more than 1 dimension (e.g. country x measure, series), Represented as attributes at series level, Internally coded through common dimension, but not yet mandatory.

8 Technical improvements for voluminous SDMX data messages SQL code optimisations –SQL and web server timeouts –Performance

9 Work plan outlook Further improvements to management of units and other attributes Contribution to.Net version of SDMX-RI implementation by Eurostat (architecture and testing) and its Integration in.Stat (2.1) Early implementation of upcoming beta SDMX- JSON output/web service Implementation of SDMX data collection Imports of SDMX 2.1 data into.Stat


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