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Community Blog What Is SaaS

What Is SaaS

SaaS is the abbreviation of Software-as-a-Service, which means provides software services through the network.

SaaS platform vendors deploy application software on their own servers uniformly. Customers can order the required application software services from SaaS platform vendors through the Internet according to their actual needs. Customers pay SaaS platform vendors according to the number of services ordered and the length of time taken. Therefore, customers obtain the services provided by the Saas platform vendors through the Internet.

SaaS application software has three modes: free, paid, and value-added. The paid mode are usually "all-inclusive" fees., it covers the usual application software license fees, software maintenance fees, and technical support fees, and unified them as the monthly rental fee for each user.

SaaS is not only suitable for small and medium-sized enterprises, enterprises of all sizes can profit from SaaS.

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SaaS Introduction

SaaS is a completely innovative software application model that has emerged in the 21st century with the development of Internet technology and the maturity of application software. In the traditional model, vendors use licenses to deploy software products to multiple client terminals within the enterprise to achieve delivery,while SaaS defines a new delivery method. The essence of an enterprise deployment of informatization software is for its own operation and management services. SaaS has changed the way traditional software services are provided. It reduces the large amount of initial investment required for local deployment, and further highlights the service attributes of information software. It may become the mainstream delivery mode of the information software market in the future.

SaaS Features

Internet characteristics of SaaS

On the one hand, SaaS services provide services to users in the form of Internet browsers or WebServices/Web2.0 program connections, it makes SaaS applications with typical Internet technical characteristics; On the other hand, because SaaS greatly shortens the time and space distance between users and SaaS providers, the marketing and delivery of SaaS services are very different from traditional software.

Multi-tenancy features of SaaS

SaaS provides services to hundreds of different customers (also known as tenants), usually based on a set of standard software systems. This requires SaaS services to support the isolation of data and configuration between different tenants, so as to ensure the security and privacy of each tenant's data, as well as the user's personalized needs such as interface, business logic, data structure, etc. Since SaaS supports multiple tenants at the same time, and each tenant has many users, this poses a big challenge to the performance, stability, and scalability of the infrastructure platform that supports the software. SaaS is an Internet-based software delivery model, and optimizing the performance and operating costs of large-scale software applications is the core task of architects.

Service characteristics of SaaS

SaaS is used by customers in a form of service that enables software to be carried on the Internet. Therefore, many issues must be considered, such as the signing of service contracts, the measurement of service usage, the guarantee of online service quality, and the collection of service fees, while these problems are usually not considered by traditional software.

Scalable features of SaaS

The scalability of SaaS means maximizing the concurrency of the system and use system resources more efficiently. For example: optimizing the persistence of resource locks, using stateless processes, using resource pools to share key resources such as lines and database connections, caching reference data, and partitioning large databases.

SaaS Advantages

  • From the perspective of technique: SaaS is a simple deployment, without the need to purchase any hardware, just a simple registration at the beginning. Enterprises no longer need to be equipped with IT professional and technical personnel, and at the same time, they can get the latest technology applications to meet the needs of enterprises for information management.
  • From the perspective of investment: Enterprises only invest in relatively low "monthly fees", do not need to invest in one-time investment, and do not occupy too much working capital, thereby alleviating the pressure of insufficient funds of the Enterprises; at the same time, Enterprises do not need to consider cost depreciation. And can get the latest hardware platform and the best solution in time.
  • From the perspective of maintenance and management: Because the enterprise adopts a leased method for logistics business management, it does not require specialized maintenance and management personnel, nor does it need to pay additional costs for maintenance and management personnel. To a large extent, it relieves the pressure on the human and financial resources of the enterprise, so that it can concentrate funds on the effective operation of the core business; SaaS enables users to be a completely independent system in the world. If you are connected to the network, you can access the system.

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Alibaba Cloud SaaS Accelerator

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