9. By 2012, open-source software's impact on
application software will grow to $19 billion,
with a five-year compound annual growth
rate of 44%.
Gart ner [Nov 26 2008]
(ht t p:/ / www.gart ner.com/ DisplayDocument ?id=817618)
12. What makes open source software
attractive?
Lower costs
Superior security
Freedom of vendor lock-in
Better quality software
Access to code libraries
Rapid pace of innovation
Freedom of DIY (Do it yourself)
15. Facebook : Infrastructure
60,000 servers
Using open source software
The site is written primarily in the PHP
programming language and uses a
MySQL database.
One of the largest MySQL database
clusters anywhere
17. Wikipedia : Infrastructure
Wikipedia depends on MediaWiki, a
custom-made, free and open source
wiki software
clusters of Linux servers (mainly
Ubuntu)
web servers running the Apache HTTP
Server
Database using MySQL
20. OpenOffice.org
Originally the German company, Star
Office
OpenOffice.org 3.2; ODF format
Oracle Open Office
The Document Foundation and
LibreOffice
24. Open Source Business Model
Service and Support
Installation
Training
Customization
Warranty
Sell Distribution
25. Summary of Change
Proprietary software --> Open Source software
Perpetual licensing --> Subscription based
support
Install on Premise --> Software as a Service
Focus on Technology --> Focus on Business
