
Software As a Service
The tp most layer of the cloud services pyramid is a functional layer or SaaS layer. This type of cloud delivers a single application through the browser to multiple users using a multitenant architecture. With SaaS platforms, a provider sells an application to customers on a license basis, in a “pay-as-you-go” cloud model allowing users to save on physical hardware. On the customer side, they do not have to do upfront investment in servers or software development; on the cloud provider side, with just one app to maintain, costs are low compared to conventional hosting. Salesforce.com(customer relationship management software), SRM, ERP as the most common examples of SaaS applications. Benefits of Saas Easy to use Test the software functionality in advance The Pay-as-you-go model says it all, you have to pay only for what you are using Save a significant amount of money, time and resources Characteristics of SaaS: Centralized web- based access to company and commercial software Entire business process shifting to cloud giving superior services to the client No hassle of software upgrades and patches as they are managed by the cloud vendor Application Programming Interfaces (APIs) allow integration with different applications