Post on 26-Mar-2015
transcript
Araullo, Carlo MariChan, John MarkDela Pena, CarminaSantillan, Jeane Pauline
Software as a Service (SaaS)
Software as a service is an application delivery model where in it is distributed by vendors or service provider through the internet.
SaaS delivers software to customers through a Web Page.
A client could purchase the service by going to vendor’s website and SaaS is accessible through an API.
Characteristics of SaaS
The application is hosted and operated by the software developer themselves.
Can access, manage, and personalize software over the internet
Functionality enhancements are completely controlled by the vendor. Frequent upgrade cycles occur with new features being introduced multiple times per year.
ASP (An ASP operates software at its data center, which customers access online under a service contract. )
How SaaS Works
Delivery Model
History
First Generation Application Service Providers attracted attention to
web-based access to software vendor applications Hindrances were: slowness of economy, reduced
IT spending, “customization trap”, competition among the firms
Second Generation Select group of firms continued through improving
imperfections and validating business model Evolving Business Concept
- Increased user subscription and sales growth- Possibility of more functionality
In house vs. Off the shelf
In house Off the Shelf
Software Server
Company Company Vendor Software
Server
Asp vs.SaaS
ASP
Host
company
company
company company
company
company
Internet
Asp vs.SaaS
SaaS
Host Software
company
company
company
company
company
company
Internet
Software as a Service
Product-Centric Approach
Service-Oriented Approach
Perpetual SoftwareLicense
Periodic Service Fee
Company SaaS Vendor
PC-Based access over WAN
Internet (Web Browser)
Traditional Model Software as a Service
Benefits of SaaS
Client Side Provider Side
No Client/Server software Installation &
Maintenance
Collective Operating Environment
Shorter Implementation Time
Predictable Revenue Stream
Constant, Smaller Upgrades
Focus on Smaller Upgrades
Examples Viatel’s Webcontrol
Offers protection from spyware, web viruses, phishing, unwanted content and adware through filtering
Requires no hardware, maintenance or upfront capital costs
Redirects all corporate web traffic with its dedicated servers then analyzes it before displaying the content to the end-user
Examples LitwareHR by Microsoft
fictitious HR application providing recruitment-management software delivered as a service
created to demonstrate how to use Microsoft technologies in the creation of SaaS solutions
uses Microsoft technologies such as .NET Framework 3.0 and SQL Server 2005
Where is it going?
A factor in faster adoption of Service Oriented Architecture
SaaS vendors have begun selling to a new audience
Connecting information todashboards & transaction systems
SaaS will no longer be called “as a service”, but as a
software
Overly complex and opaqueLicensing/pricing