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IS3321 Information Systems Solutions for the Digital EnterpriseLecture 1: Introduction to IS3321 – what is a digital enterprise?Rob Gleasure
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IS3321
Lecture times 16.00-17.00, Monday (Boole 1) 13.00-14.00, Thursday (GG_LT*)
Lab times (biweekly, starts this week on the 15th January) 13.00-14.00, Friday (ORB B.05)Or 14.00-15.00, Friday (ORB B.05)
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IS3321 Module content
The cloud Big data Virtual teams and outsourcing Crowdsourcing and the wisdom of crowds Open Source Software, Open Content Microwork and Innovation Contests Crowd voting and Crowdfunding Innersourcing
Course Assessment Exam: 100 marks
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IS3321 What is a digital enterprise?
Boundaries have changed!Technologically
Infrastructure Data
Interpersonally Within and across organisations Between organisations and public
The requirements for IT have to reflect this
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Digital transformation A short video
https://www.youtube.com/watch?v=8d32Ps1VYAk
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The Web a few years ago
Image from http://www.hotcleaner.com/web_storage.html
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Now: the Cloud
Image from http://computinged.com/edge/become-part-of-the-cloud-computing-revolution/
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The Cloud Web is overtaking/has overtaken desktop Mobile is replacing local Utility-based computing is replacing once-off purchase
Makes resources seem endless Lowers risk in terms of usage (pay as you go)
Static data center Data center in the cloud
Demand
Capacity
Time
Demand
Capacity
Time
Slide Credits: Berkeley RAD Lab
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Types of Web Services in the Cloud Can be thought of as three kinds of services
1. Software as a Service (SaaS) Software function taken off your computer and hosted online No need to worry about installation, setup and running of the
application - the service provider does that for you E.g. Gmail, Dropbox, Facebook
Sometimes called ‘On-demand Software’
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Types of Web Services in the Cloud2. Platform as a Service (PaaS)
Providers deliver a computing platform typically including operating system, programming language execution environment, database, and web server
Basically gives you a platform in which to develop services at low cost
E.g. Elastic Beanstalk, AppFog
3. Infrastructure as a Service (IaaS) Providers deliver the equipment used to support operations,
including storage, hardware, servers and networking components. Provider owns the equipment and is responsible for housing, running and maintaining it.
E.g. Amazon Web Service, MS Azure, Google Compute Engine Sometimes called ‘hardware as a service’
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Image from http://www.slideshare.net/dattudharanikota/cloud-computing-ppt-14857120?related=1
The Cloud
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The Cloud This has meaningful implications for data in terms of
Capacity Measurement Integration Security Privacy Greenness
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Readings
Some links to business-oriented articles on the cloud https://hbr.org/2011/11/what-every-ceo-needs-to-know-about-
the-cloud https://hbr.org/2012/04/the-truth-about-cloud-economic
Some links to tech-oriented articles on the cloud http://www.it.cornell.edu/services/guides/cloud/ http://www.rackspace.com/knowledge_center/whitepaper/
understanding-the-cloud-computing-stack-saas-paas-iaas