Cloud

Cloud Computing Use Cases
A white paper produced by the Cloud Computing Use Case Discussion Group
Version 2.0 30 October 2009 Contributors: Dustin Amrhein, Patrick Anderson, Andrew de Andrade, Joe Armstrong, Ezhil Arasan B, Richard Bruklis, Ken Cameron, Reuven Cohen, Andrew Easton, Rodrigo Flores, Gaston Fourcade, Thomas Freund, Babak Hosseinzadeh, William Jay Huie, Pam Isom, Sam Johnston,Ravi Kulkarni, Anil Kunjunny, Thomas Lukasik, Gary Mazzaferro, Craig McClanahan, Walt Melo, Andres Monroy-Hernandez, Dirk Nicol, Lisa Noon, Santosh Padhy, Greg Pfister, Thomas Plunkett, Ling Qian, Balu Ramachandran, Jason Reed, German Retana, Dave Russell, Krishna Sankar, Alfonso Olias Sanz, Wil Sinclair, Erik Sliman, Patrick Stingley, Robert Syputa, Doug Tidwell, Kris Walker, Kurt Williams, John MWillis, Yutaka Sasaki, Eric Windisch and Fred Zappert. Public comments on this document are welcomed and encouraged http://groups.google.com/group/cloud-computing-use-cases.

This work is licensed under a Creative Commons Attribution Share Alike 3.0 Unported License.

Cloud Computing Use Cases White Paper

Version 2.0

Table of Contents
1Introduction......................................................................................................3 2 Definitions and Taxonomy ...............................................................................5 2.1 2.2 2.3 2.4 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 4.1 4.2 4.3 4.4 4.5 Definitions of Cloud Computing Concepts ..............................................5 Taxonomy...............................................................................................9 Relationships Between Standards and Taxonomies.............................12 Application Programming Interfaces (APIs) ..........................................14 End User to Cloud.................................................................................18 Enterprise to Cloud to End User ...........................................................19Enterprise to Cloud ...............................................................................22 Enterprise to Cloud to Enterprise ..........................................................23 Private Cloud ........................................................................................25 Changing Cloud Vendors ......................................................................26 HybridCloud .........................................................................................28 Cross-Reference: Requirements and Use Cases .................................30 Customer Scenario: Payroll Processing in the Cloud............................32 Customer Scenario: Logistics and Project Management in the Cloud ..34 Customer Scenario: Central Government Services in the Cloud..........35 Customer Scenario: Local Government Services in a Hybrid Cloud .....36 Customer Scenario: Astronomic Data Processing ................................37

3 Use Case Scenarios......................................................................................17

4 Customer Scenarios ......................................................................................32

5 DeveloperRequirements...............................................................................39 6 Conclusions and Recommendations .............................................................42 Summary of Changes .........................................................................................44 About Version 2: The main focus of new content in Version 2 is developers, including developer rolesand their requirements for open APIs to work with cloud computing. See the Summary of Changes on page 44 for complete details.

30 October 2009

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Cloud Computing Use Cases White Paper

Version 2.0

1 Introduction
The Cloud Computing Use Case group brought together cloud consumers and cloud vendors to define common use case scenarios for cloud computing. The use case scenarios...