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Cloud Computing and GIS

Cloud Computing and GIS. Keith T. Weber, GISP GIS Director, ISU. Goal of this presentation. Describe and demystify “The Cloud” What is it? How is it different from web services? ROI and TCO case studies. What is The Cloud. Once upon a time…

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Cloud Computing and GIS

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  1. Cloud Computing and GIS Keith T. Weber, GISP GIS Director, ISU

  2. Goal of this presentation • Describe and demystify “The Cloud” • What is it? • How is it different from web services? • ROI and TCO case studies

  3. What is The Cloud • Once upon a time… • Sam the server man discovered his servers were underutilized • To optimize their utilization rate, he made his servers available to others • This was really nothing new, as ISP’s had been around for decades

  4. But… • Sam’s Servers did more than just host HTML pages, they also: • Provided infrastructure solutions • And hosted services that his customers were not capable of hosting • This commercialization of web service hosting became known as…

  5. Cloud Computing

  6. What goes on behind the cloud?

  7. A Definition • Cloud computing is… • On-demand • Self-service services • Delivered in a metered fashion via a network (i.e., the Internet) • A multi-tenancy model • Within an elastic environment

  8. Terms

  9. Virtualization • Similar to logical hard drives, virtualization converts one server into many virtual servers • Requires: • Physical host server • Host OS + Virtualization software = Hypervisor • Management suite software

  10. Multi-tenancy • Virtualized servers used by many

  11. Elasticity • Similar to scalability

  12. Cloud Deployment Models

  13. The Hybrid Model

  14. What services are offered in the Cloud? • If its not just an html hosting service, what services are offered?

  15. aaS • As A Service

  16. Where does GIS fit aaS? • Brainstorm…

  17. How does The Cloud differ from Web Services we already learned about? • Brainstorm

  18. ROI and TCO Scenarios • TCO? • ROI… • Case study #1, a small Idaho county wants to make GIS maps of the county available via the web • Case study #2, large research university wants to make GIS maps available via the web

  19. The Partly Cloudy Approach • Own the base, rent the spike

  20. Considerations • Reasons people are not using the cloud • Security • Service Level Agreement

  21. Questions?

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