IVOA Data Access Layer: Goals, Achievements and Current Trends

François Bonnarel (1) , Patrick Dowler (2) , Keith Noddle (3) , Douglas Tody (4)

1 OAS - Observatoire astronomique de Strasbourg
2 CADC - Canadian astronomical data center
3 IFA - IFA
4 NRAO - National Radio Astronomy Observatory [Socorro]

The IVOA Data Access Layer (DAL) working group was created in 2002 to define protocols to homogenize data discovery, data description, data retrieval, and data access processes. We describe its history and status today, and look at current trends for future development of the DAL protocols.

Domaines: Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]

François Bonnarel, Patrick Dowler, Keith Noddle, Douglas Tody. IVOA Data Access Layer: Goals, Achievements and Current Trends. ADASS XXV, Oct 2015, Sydney, Australia. ⟨hal-01403451⟩