Software as a service is a software distribution model wherein a 3rd party provider hosts applications and makes them available to clients over the Internet. SaaS is one of 3 main categories of cloud computing, alongside infrastructure as a service and platform as a service. Download: Compare the cloud services of Azure, AWS, and Google – These 3 vendors offer services which range from big data in the cloud to serverless computing and more. Continue reading for a Neutral supplier comparison by our experts. By submitting your personal info, you agree that TechTarget and its partners might contact you regarding relevant content, products and special offers.
In general, they pay for this service on a monthly basis utilizing a pay-as you-go model. Transitioning costs to a repeating operating expense allows many companies to exercise better and more predictable budgeting. Users could also terminate SaaS offerings at any moment to stop those repeating costs. Scalable usage: Cloud services like SaaS offer high scalability, which gives consumers the possibility of access more, or fewer, services or features on demand. Automated updates: as opposed to buying new software, clients can rely on a SaaS provider to automatically perform updates and patch management. This further reduces the burden on in house IT staff.
Accessibility and persistence: Since SaaS applications are deployed over the Internet, users can access them from any Internet enabled device and location. But SaaS also poses some potential disadvantages. Businesses must rely on external vendors to provide the software, keep the software up and running, track and report accurate billing and facilitate a secure environment for the company data. Providers that experience service disruptions, impose undesirable changes to service offerings, experience a security breach or any other issue may have a profound effect on the clients capability to use those SaaS offerings.
Consequently, users should understand their SaaS provider’s service level agreement, and ensure it’s enforced. SaaS is closely related to the ASP and on demand computing software delivery models. The hosted application management model of SaaS is comparable to ASP: the provider hosts the clients software and delivers it to approved end users over the internet. The applications source code is the same for all clients and once new features are functionalities are rolled out, they’re rolled out to all customers.