Basic HTML version of Foils prepared July 6 99

Foil 74 Gateway Implementation (3)

From Tutorial on Java for Middle tier in Computing Portals Tutorials at ACM Java Grande Meeting -- June 14 99. by Tom Haupt
1 Task Specification is expressed in XML
  • CTA independent
  • Decouples implementation of the Front End and the Middle Tier
  • Allows for an abstract (platform independent) task specification, and thus the Middle Tier may act as a resource broker
2 Resource Specification is expressed in XML
  • Simplifies match-making and resource discovery
  • Simplifies generating Globus RSL in-the-fly
3 [Support for distributed, heterogeneous Back-End services; Variable pool of resources; Scalable, extensible, low-maintenance Middle Tier]
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