What is SaaS | Software as a Service Explained in 3-minutes | Cloud Computing | Intellipaat

Summary

This video introduces Software as a Service (SaaS), a transformative technology that allows users to access a wide array of software applications and services over the internet on-demand, eliminating the need for installation and expensive licenses. It explains the multi-tier SaaS architecture, including the front-end, application, and database tiers. The video also distinguishes between horizontal SaaS, used by broad customer bases, and vertical SaaS, tailored for specific industries. It emphasizes the benefits of SaaS, such as increased efficiency, flexibility, and cost savings.

Takeaways

• 🌐 **Software as a Service (SaaS)**: SAS allows access to software applications and services over the internet, eliminating the need for installation or expensive licenses.
• 💡 **On-Demand Access**: Users can access a variety of software applications as needed, akin to a buffet where you only pay for what you use.
• 🛠️ **Tech World Shift**: SaaS is changing the daily interaction with technology by providing software solutions over the internet, enhancing efficiency and flexibility.
• 🏢 **Business Solutions**: SAS offers solutions for various business needs, from email and project management to HR and customer relationship management.
• 📈 **Popularity and Efficiency**: The multi-tier SAS architecture has gained popularity due to its cost savings, efficiency, and flexibility.
• 🏗️ **SaaS Architecture**: It is built on a multi-tier model comprising the front-end tier for user interface, the application tier for business logic and data processing, and the database tier for data storage and retrieval.
• 🌐 **Front-End Tier**: Handles user interactions and presents the user interface, typically using HTML, CSS, JavaScript, and other front-end technologies.
• 🔧 **Application Tier**: Executes business logic and performs data processing, often built with a combination of programming languages and frameworks.
• 🗄️ **Database Tier**: Manages data storage and retrieval, using relational or NoSQL databases, or a mix of both.
• 🔑 **Types of SaaS Software**: There are two main types - horizontal, which serves a broad customer base across industries, and vertical, which targets specific or niche industries.

Q & A

What does SAS stand for in the context of technology?

SAS stands for Software as a Service, which is a model where software applications and services are accessed over the internet on demand, without the need for installation or expensive licenses.

How does SAS change the traditional software usage model?

SAS changes the traditional model by allowing users to access software applications and services over the internet without installing them on their own computers or paying for expensive licenses.

What is the benefit of the 'buffet of software options' mentioned in the script?

The 'buffet of software options' refers to the variety of software applications and services available through SAS, allowing users to only pay for what they use, similar to a buffet where you only pay for what you eat.

What are some examples of software applications and services that can be accessed through SAS?

Examples include email, project management, HR, and customer relationship management applications.

Why has the SAS delivery model become increasingly popular?

The SAS delivery model has become popular due to its increased efficiency, flexibility, and cost savings compared to traditional software licensing and installation models.

Can you describe the multi-tier model of SAS architecture?

The SAS architecture is built on a multi-tier model which includes the front-end tier for user interface and interactions, the application tier for executing business logic and data processing, and the database tier for storing and retrieving data.

What are the components used in the front-end tier of SAS architecture?

The front-end tier typically consists of HTML, CSS, JavaScript, and other front-end frameworks and libraries.

What is the role of the application tier in SAS architecture?

The application tier is responsible for executing the business logic and performing data processing, using a combination of programming languages and frameworks.

How is data managed in the database tier of SAS architecture?

The database tier is responsible for storing and retrieving data, often implemented using relational database management systems, NoSQL databases, or a combination of both.

What are the two types of SAS software mentioned in the script?

The two types of SAS software are vertical SAS and horizontal SAS.

How does horizontal SAS differ from vertical SAS?

Horizontal SAS is used by established cloud services to cater to a broad customer base across industries, while vertical SAS targets specific or niche industries, focusing on their unique needs and pain points.