6. Software as a service
Source :https://www.datamation.com/cloud/iaas-paas-saas/
• On demand service
•Platform independent
•Used via browser or lightweight client application
•Runs as a single instance of software
•Multi tenancy
•Cost effective
•Best for collaborative working
•Vendor will take care of upgrades
•E.g. gmail, google drive, docs, office 365,crm services etc
7. Software as a service cntd…..
Source :https://www.datamation.com/cloud/iaas-paas-saas/
• SaaS applications often have a much lower barrier to
entry than their locally installed competitors, a known
recurring cost, and they scale on demand
•Reduced distribution and maintenance costs and
minimal end-user system costs generally make SaaS
applications cheaper to use than their shrink-wrapped
versions.
•automated upgrades, updates, and patch management
and much faster rollout of changes.
8. Software as a service cntd….
Source :https://www.datamation.com/cloud/iaas-paas-saas/
•All users have the same version of the software so each
user’s software is compatible with another’s.
9. • Available over web
• Enable communication between application over web
• Provide standard protocol for communication
• Platform independent communication
• e,.g. make my trip , APIs etc
Web Services
10. • 2 way communication
• Allow users to create pages with unique URL
• Improved version of web 1.0
• Static to dynamic content
• e.g. Interactive social media, blogs, word press
• Use of APIs
• Keyword based search
Web 2.0
11. • Availability
• Variety
• Dynamic
• Easy to use
• Real time use
• User can go beyond just receiving content from website e.g. add to
compare in flipkart
• Interaction with content using graphics
• Rich user interface/experience (no programming knowledge required ,
good GUI)
• Web oriented architecture : feeds ,RSS feeds. Web services
Advantages of Web 2.0
12. • Linux kernel-based multitasking operating system for smart devices
• E.g. Open webOS, Tizen,
• Gesture interface
• An over-the-air (OTA) update is the wireless delivery of new software,
firmware, or other data to mobile devices.
• OTA updates are designed to upgrade the underlying operating system
• Case study : https://www.lg.com/global/business/webos
Web OS
