Advantages of SaaS software in comparison with on-premises software

Software-as-a-Service (SaaS) is becoming a popular outsourcing option for customers interested in paying for the right to access a standardized set of functions of the necessary software via the Internet. Due to the low cost of the service and the lack of high initial costs, the business becomes interested in using this technology. Software as a service allows you to significantly reduce the cost of IT services, to rethink the entire process of automating the business-processes of companies and creating software by eliminating high initial investments in infrastructure and its subsequent maintenance. Considering these advantages of SaaS over on-premises applications, business is increasingly talking about the possibility of a full transition to the use of SaaS services. In this paper, the concept of SaaS software, the architecture of this kind of applications, their distribution models and long-term use costs are analyzed, and this approach is compared with on-premises software in the above issues. Based on the analysis of actual data, recommendations were made on the topic of whether to abandon the usual set of technologies in favor of SaaS and which companies should take such actions.