1. Andrew McCombs March 10th, 2011
Engineering the Cloud
Andrew McCombs
March 10th, 2011

2. What is the Cloud

3. 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
- No Formal Definition
- Why a cloud?
  - Represents the transportation of data across carrier backbones
What is the "Cloud" in cloud computing?
Refers to where applications are run and stored.

4. 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 
- No servers, no problem
- Reliable
  -  Google APPs boast a 99.9% Reliability Uptime
  - Google uses  synchronous replication which simultaneously preserves in multiple secure data centers
- Forget your jump drive, no problem.
- Free to use - Google Docs, dropbox

5. 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
- Privacy - Google still has access to your data
- No internet? Big Problem
  - Can't access Google Docs
  - Dropbox Syncs
-  If your Cloud Provider is experiencing downtime.  All you can do is wait.  Time is money

6. Engineering the Cloud

7. 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
Iaas is a service which delivers computer infrastructure normally in the form of a virtual environment

8. 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
Create instance of Windows Server 2008
Install .Net
Create Image of server
Share instance with other developers
All for about $.13/hour/instance

9. Engineering the Cloud

10. 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

11. 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

12. Engineering the Cloud

13. 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

14. 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

15. 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
Google App Engine lets you run your web applications on Google's infrastructure. App Engine applications are easy to build, easy to maintain, and easy to scale as your traffic and data storage needs grow. With App Engine, there are no servers to maintain: You just upload your application, and it's ready to serve your users.

16. Resources
[1] “Amazon Web Services.”Amazon Web Services. Web. 06 Mar < [2] "Google App Engine." Google Code. Web. 06 Mar < [3] Rittinghouse, John W., and James F. Ransome. Cloud Computing: Implementation, Management, and Security. Boca Raton, Fla. [u.a.: CRC, Print. [4] Windows Azure. Web. 06 Mar <
[5] Start Up- To the Cloud - Windows . Tue. 08 Mar <