Cloud computing services - Software as a Service - a delivery model for cloud computing

Cloud computing services - Software as a Service

1. Introduction to Software as a Service (SaaS) Presented By,       Ebin Joseph       S 3  MCA  22 Understanding the Evolution, Benefits, and Applications of SaaS

2. CLOUD COMPUTING It is a mesh network which values virtualization technologies to permit computing applications and data to be flexibly supplied from a pool of hardware resources .

3. Classification of Cloud on the Basis of Services  Infrastructure as a Service (IaaS)  Platform as a Service (PaaS)  Software as a Service (SaaS)

4. Software as a Service (SaaS) SaaS is a software delivery model where applications are hosted by a service provider and made available to customers over the internet. Contrast with On-Premise Applications: On-premise applications involve significant upfront investment, ongoing maintenance costs, and require skilled developers. SaaS eliminates the need for such investments and expertise, making it ideal for SMEs/SMBs.

5. Evolution of SaaS 1984-2001: Mainframe and PC computing, on-premise applications like CRM and ERP. 2008-Present: Advent of the Internet and cloud computing, leading to the rise of SaaS.

6. Why SaaS? No Upfront Payment: Reduces initial investment costs. Accessibility : Accessible via a web browser, no need for local installations. Quick Deployment: Fast setup and availability. Scalability : Easily scalable to meet changing needs. Efficiency: Multi-tenant architecture improves efficiency and cost-effectiveness.

7. Who Can Use SaaS? Target Audience: Ideal for SMEs/SMBs with minimal legacy systems. Usage Model: Subscription-based, akin to utilities like electricity or phone services. Examples of SaaS Providers: CRM: Salesforce Collaboration Apps: Google Apps, DeskAway Security:   Zscaler, CrowdStrike

8. Categories of SaaS Enterprise Services: Solutions for businesses, including CRM, HR management, and ERP systems. Customer-Oriented Services: Web-based services for general public use, e.g., email services like Gmail and Yahoo Mail.

9. Usage of SaaS Ownership Model: Traditional software involves purchasing and licensing. SaaS operates on a subscription model, allowing users to pay for usage without owning the software.

10. Advantages for Users: Lower costs Reduced storage needs Minimal IT support required Advantages for Vendors: Continuous revenue stream Efficient distribution and updates

11. Characteristics of SaaS Centralized Hosting : Simplifies updates and maintenance. Frequent Updates : Regular enhancements and bug fixes. Customizability : Options to customize applications to meet specific needs. Analytics : Providers can use user data to improve services and performance.

12.                   Conclusion                         The shift from traditional on-premise solutions to cloud-based SaaS models brings numerous benefits, including cost efficiency, scalability, and ease of access, but it also introduces unique security challenges. In today's rapidly evolving digital landscape, securing SaaS environments is paramount to safeguarding sensitive data, ensuring compliance, and maintaining operational integrity.

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