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