Engineering the Cloud
Andrew McCombs
March 10th, 2011
What is the Cloud
What is the Cloud?
What is the "Cloud"?
• According to Microsoft, "The cloud is simply another name for
the internet."
• No formal definition
Why a "Cloud"?
• Used to show network diagrams
What is the "Cloud" in cloud computing?
• Refers to where applications are run
and stored.
Benefits of Cloud Computing
Reduced Costs
• Initial infrastructure setup
• Infrastructure maintenance and upgrades
Reliability
• Google Apps boasts a 99.9% uptime
Scalability
• Virtually unlimited computing power and storage
Security of the cloud
• More dedicated resources
Risks of Cloud Computing
No internet?
• One big problem.
Outages
• At the mercy of your cloud provider
Big Brother?
• Cloud provider has access to personal information
Security
• Limited to the security of your cloud provider
Engineering the Cloud
IaaS - Infrastructure as a Service
What is IaaS?
• Service which delivers computer infrastructure
• Typically consists of virtual platforms
Why use an IaaS provider?
• Don't have to purchase expensive equipment
• Don't have to deal with maintenance on equipment
• Create customized instances of an OS
• Scalability
Amazon Web Services
Amazon Elastic Compute Cloud (EC2)
• provides scalable computing capacity in the cloud.
• Pay for what you use
• Start new server instances on-demand
Can run instances of different OS's
• RedHat Linux, Windows Server, openSuSE Linux, Fedora,
Debian, OpenSolaris, Cent OS, Gentoo Linux, and Oracle
Linux.
Allows small businesses to inexpensively acquire the resources
they need
Engineering the Cloud
SaaS -Software as a Service
What is SaaS?
• Web based applications
• No hardware or software to install
• End users just login and go.
Benefits of SaaS applications?
• Saves space on users computer
• Everything is done in the browser
• Don't have to worry about hardware
SaaS -Software as a Service
What is SaaS?
• Web based applications
• No hardware or software to install
• End users just login and go.
Risks of SaaS applications?
• Must have the internet
• Password protected
• Personal privacy
Engineering the Cloud
PaaS - Platform as a Service
What is PaaS?
• Set of web based development tools that are hosted on a
cloud provider's infrastructure.
Benefits of developing with an PaaS
• Easy to upload to the cloud.
• Don't have to worry about hosting your application
• Provides full analytics software.
• Dynamically Scales
Windows Azure
What is Windows Azure
• Platform for developing web applications
that fully integrates into Visual Studio
Supported Languages
• Standard .Net languages
• PHP
• Java
• Ruby
Benefits of Windows Azure
• Great pool of resources
• Integrates into Visual Studio
Google App Engine
What is Google App Engine?
• Platform for developing web applications
on Google's data centers
Supported Languages
• Java and JavaScript
• Ruby
• Python
Benefits of Google App Engine
• 500 MB of storage and 5 million page views / month Free
• Cost Efficient
• Instant Scalability
• Easy to use
Resources
[1] “Amazon Web Services.”Amazon Web Services. Web. 06
Mar. 2011. <http://aws.amazon.com/>.
[2] "Google App Engine." Google Code. Web. 06 Mar. 2011.
<http://code.google.com/appengine/>.
[3] Rittinghouse, John W., and James F. Ransome. Cloud
Computing: Implementation, Management, and Security.
Boca Raton, Fla. [u.a.: CRC, 2010. Print.
[4] Windows Azure. Web. 06 Mar. 2011.
<http://www.microsoft.com/windowsazure/windowsazure/#>.
[5] Start Up- To the Cloud - Windows . Tue. 08 Mar. 2011.
<http://www.youtube.com/watch?v=-HRrbLA7rss>