Engineering the Cloud

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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>