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OGSA

  1. 1. OGSA Dragos Sb îrlea
  2. 2. SUMMARY <ul><li>What is OGSA? </li></ul><ul><li>Who and Why developed OGSA? </li></ul><ul><li>What does OGSA offer? </li></ul><ul><li>What implementations exist? </li></ul>
  3. 3. WHAT IS OGSA ? <ul><li>Open Grid Services Infrastructure </li></ul><ul><ul><li>Service-oriented Architecture (SOA) </li></ul></ul><ul><ul><ul><ul><li>Based on WebServices </li></ul></ul></ul></ul><ul><ul><li>D esigned for Grids </li></ul></ul>
  4. 4. WHO AND WHY CREATES OGSA? <ul><li>Global Grid Forum (GGF) , now Open Grid Forum </li></ul><ul><ul><li>IBM, Intel, HP </li></ul></ul><ul><li>Purpose : </li></ul><ul><ul><li>Standardisation </li></ul></ul><ul><ul><li>Usage of best practices in Grid architecture </li></ul></ul>
  5. 5. WHO AND WHY CREATES OGSA ? (2) <ul><li>“ Key to the realization of this Grid vision is standardization, so that the diverse components […] can be discovered, accessed, allocated, monitored, accounted for, billed for, etc., and in general managed as a single virtual system—even when provided by different vendors or operated by different organizations.” </li></ul><ul><li>The Open Grid Services Architecture Specifications </li></ul>
  6. 6. WHAT IS SPECIFIED BY OGSA? <ul><li>Infrastructure services </li></ul><ul><li>Execution Management services </li></ul><ul><li>Data services </li></ul><ul><li>Resource Management services </li></ul><ul><li>Security services </li></ul><ul><li>Self-management services </li></ul><ul><li>Information services </li></ul>
  7. 7. IMPLEMENTATION <ul><li>Globus Alliance -> Globus Toolkit </li></ul><ul><li>Usecases: </li></ul><ul><ul><li>Commercial Data Center </li></ul></ul><ul><ul><li>Severe Storm Modeling </li></ul></ul><ul><ul><li>Online Media and Entertainment </li></ul></ul><ul><ul><li>National Fusion Collaboratory (NFC) </li></ul></ul><ul><ul><li>Grid Resource Reseller </li></ul></ul><ul><ul><li>Grid Lite </li></ul></ul>
  8. 8. QUESTIONS <ul><li>? </li></ul>
  9. 9. <ul><li>Thank You! </li></ul>

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