What is SaaS (Software as a Service)?

Software as a Service

Software As A Service is Multi-tenant architecture or we can say Virtualization as an alternative.

Software as a Service (SaaS), a.k.a. on-demand software, is a software delivery model in which software and its associated data are hosted centrally and accessed using a thin-client, usually a web browser over the internet.

It also based on Open integration protocolsTypically HTTP/HTTPS, JSON, REST, SOAP.

SaaS can be accessed on any web browsers

We are in the era of Cloud Computing!

• Cloud computing stack
• Infrastructure as a Service (IaaS)
• Platform as a Service (PaaS)
• Software as a Service (SaaS)
• Monitoring as a Service (MaaS) – emerging
• Communication as a Service (CaaS)
• Anything as a Service – emerging

There are so many services but SaaS is one of the most widely used service models in the world.

Benefits of Software as a Service

i. Scalable

The service of Software as a Service (SaaS) is very scalable and provides various fatures  to the customers as per their demand.

ii. Flexible

SaaS eliminates the cost to purchase. The pay-as-you-go service helps to reduce the cost. This allows business to exercise better and more predictable budgeting. The customer can stop using the service and the cost will be limited.

iii. Up to Date

With new updates, the SaaS is gradually improving. This reduces the burden of the staff and provides a better service.

iv.  Ease of access

The SaaS applications can access with the help of the internet from anywhere. This makes it flexible for the customers and is easily available.

Disadvantages of Software as a Service

i. Connectivity Demand

The SaaS is completely dependent on the internet and if your internet service fails, you’ll lose access to your software or data

ii. Performance

The speed of SaaS can vary on the premises of the customer, therefore its price keeping performance in mind your, software not host on a local machine.

iii. Management

The management on the premises of the customer can serve better as compared to the hosted management wherever management resides with a 3rd party. Usually, everybody should use the newest version of the software application and can’t defer upgrades or changes within the options.

iv. Security and Knowledge Considerations

The privacy of sensitive data and access management could be a major thought around cloud and hosted services.

v. Limited Vary of Applications

There are limited functions of the applications. For a cloud provider, it is difficult to provide every application. So they release features which lack some features. There are still several applications that do not provide a hosted platform. The evaluation is done to make sure that the Software as a Service solution provides the features which are required to expand the business.