A Brief History of GRIDs

1G: custom-made architecture machines to user Pioneering metacomputing
2G: proprietary standards and interfaces
  • I-WAY → GLOBUS, UNICORE, CONDOR
  • LEGION → AVAKI
e-Science Apps
3G: adopted W3C concepts for open interfaces - OGSA / OGSI: note especially OGSA/DAI: But built on 2.G foundations e-Science R and D

26