Copyright Dennis Cromwell, Michael Dieckmann, and Melissa Woo, 2009. This work is the intellectual property of the authors. Permission is granted for this material to be shared for non-commercial, educational purposes, provided that this copyright statement appears on the reproduced materials and notice is given that the copying is by permission of the author. To disseminate otherwise or to republish requires written permission from the author. Three Views of the Cloud What is Cloud Computing ? Cromwell
New technology energizing old concepts Extension of cloud metaphor used to describe the network Cloud Computing has elasticity and shifts CapEx to OpEx Virtualization and
abstraction Dieckmann Computing services and infrastructure are provided as a scalable and shared "black box
Delivered over the Internet Allowing pay-asyou-consume cost models. Woo A not-yet-perfect storm of technologies that allows one to
consume services in blissful ignorance of what's under the hood and how to maintain it. What some people say? "I can't think of anything that isn't cloud computing.... It's complete gibberish.... When is the idiocy going to stop?" Larry Ellison "It's stupidity. It's worse than stupidity: it's a marketing
hype campaign" - Richard Stallman "While so-called cloud computing remains an emergent concept it is clear that (1) open information content, software, and services, (2) service orientation and delivery, (3) server and storage virtualization, and (4) standardization of computing across the Internet are leading to what some describe as the democratization and industrialization of IT. - Richard Katz Three Aspects of Cloud Computing
Software as a Service (Saas) Platform as a Service (Paas) Infrastructure as a Service (Iaas) (1)Cloud Computing With Nimbus, Kate Keahey. Computing Techniques Seminar, Fermilab, IL. January 2009 http://workspace.globus.org/talks/fnal-keahey.ppt Commercial Clouds Software as a Service (SaaS)
Student and knowledge worker software o o Email Collaboration tools Functional software o o
CRM Application for admission ERP Space o o Learning management Student, HR, Financial
Platform Commercial Clouds Infrastructure Commercial Clouds vCloud Where does it fit?
Student use Pedagogy Application Development Testing
Disaster Recovery/Business Continuity Administrative The Dangers of the Cloud (2) Adoption- Is it viable? Growth - Can it scale? Policy and process o Cloud lock-in o Compliance issues
(2) "Above the Clouds: A Berkeley View of Cloud Computing" Multi-Institutional Clouds What does "multi-institutional cloud" mean to you? Areas of Promise Research
Learning Admin Institutional collaboration inter- or intra-system Collaboration issues are key Same concerns as commercial clouds:
service levels compliance lock-in due to loss of control, but... ... may be less perceived loss of control because of institutional collaborations. Forms of collaboration Partnership to develop
service Joint operation One institution operates service Institution as recipient of service Advantages of multi-institutional clouds Strength of the collaborations can help address concerns
about Service levels Security / privacy compliance Trust Perceived loss of control Internal Clouds What is an internal
cloud? Internal service that has the aspects of cloudiness. Can be shielded within the university, or exposed to the Internet. Why? Because we desire the benefits of cloudiness, but an
external cloud is not appropriate. Benefits of Cloudiness Sharing infrastructure Flexibility Simplicity for users
Distributed infrastructure Why not an External Cloud? Good Candidates for Internal Clouds
Storage Internal application hosting environment Learning environments Research computing support How to Construct Internal Clouds?
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