The title slide introduces the topic of Software as a Service (SaaS), Open SaaS, and SOA Architecture, focusing on cloud-based software models. It is presented by Aditi Gorai, Ankur Sasmal, Ritesh Kumar, and Krishnendu Ghosh.

Software as a Service (SaaS), Open SaaS & SOA Architecture

Presented by Aditi Gorai (10000222040), Ankur Sasmal (10000222039), Ritesh Kumar (10000222004), Krishnendu Ghosh (10000222069) Introduction to cloud-based software models.

The presentation agenda outlines a structured exploration starting with an introduction to SaaS, covering its concepts, benefits, architecture, and examples. It proceeds to delve into Open SaaS, SOA principles and architecture, comparisons with market insights, and concludes with key takeaways.

Presentation Agenda

1. Introduction to SaaS

Overview of SaaS concepts, benefits, architecture, and examples.

2. Open SaaS Exploration

Detailed overview, benefits, and business model of Open SaaS.

3. SOA Principles and Architecture

Core principles, benefits, and architectural components of SOA.

4. Comparisons and Market Insights

Comparative analysis of SaaS, Open SaaS, and SOA with market statistics.

5. Conclusion and Summary

Key takeaways and final thoughts on the topics discussed.

This section header slide introduces the topic "What is SaaS?" as the first section (01) of the presentation. It defines SaaS as a cloud computing model that delivers software applications over the internet through a subscription-based service.

What is SaaS?

01

What is SaaS?

A cloud computing model delivering software over the internet on a subscription basis.

SaaS, or Software as a Service, delivers software through subscription-based access and a multi-tenant architecture that efficiently shares resources among users. Providers manage scalability and updates, ensuring seamless access from any internet-connected device.

Key Concepts of SaaS

• Subscription-based access to software services
• Multi-tenant architecture for efficient resource sharing
• Provider handles scalability and seamless updates
• Accessible from any device with internet connection

SaaS offers key benefits like cost savings by eliminating upfront hardware investments and simplifying maintenance through automatic updates. It also provides global accessibility from anywhere, along with rapid deployment and easy scalability.

Benefits of SaaS

• Achieve cost savings without upfront hardware investments
• Simplify maintenance and automatic updates
• Ensure global accessibility from anywhere
• Enable rapid deployment and scalability

The slide presents a diagram of SaaS architecture, highlighting a multi-tenant setup that enables efficient resource sharing among users while allowing secure access to services through web interfaces. It also depicts the backend cloud infrastructure with scalable servers and databases, supporting integration for dynamic data management and processing.

SaaS Architecture Diagram

!Image

• Multi-tenant setup enables efficient resource sharing among users.
• Users access services via web interfaces securely.
• Backend cloud infrastructure includes scalable servers and databases.
• Integration supports dynamic data management and processing.

Source: Software as a Service architecture

This slide, titled "Examples of SaaS Applications," presents a bullet-point list of popular software-as-a-service tools. It highlights Google Workspace for email, documents, and collaboration; Salesforce as a CRM platform; Dropbox for cloud file storage and sharing; and Zoom for video conferencing and virtual meetings.

Examples of SaaS Applications

• Google Workspace: Email, documents, and collaboration tools
• Salesforce: Customer relationship management (CRM) platform
• Dropbox: Cloud-based file storage and sharing
• Zoom: Video conferencing and virtual meetings

This section header slide, titled "Open SaaS" and numbered 02, introduces a software model that merges traditional SaaS delivery with open-source principles. It emphasizes customizable, community-driven solutions for enhanced flexibility and collaboration.

Open SaaS

02

Open SaaS

Combines SaaS delivery with open-source principles for customizable, community-driven software.

Open SaaS involves delivering open-source code through SaaS hosting, which allows for easy modifications and third-party integrations. It strikes a balance between proprietary features and open models, fostering innovation via community collaboration.

Understanding Open SaaS

• Open-source code delivered via SaaS hosting
• Enables modifications and third-party integrations
• Balances proprietary elements with open models
• Drives innovation through community collaboration

Open SaaS offers cost-effective customization through open-source flexibility and accelerates feature development with community contributions. It also enhances transparency and security via audits while avoiding vendor lock-in for better portability.

Benefits of Open SaaS

• Cost-effective customization through open-source flexibility
• Faster feature development via community contributions
• Enhanced transparency and security through audits
• Avoids vendor lock-in for greater portability

The slide illustrates an open SaaS model, with an open-source codebase serving as the foundation and a SaaS delivery platform enabling scalability. It highlights user customization layers for flexibility and community contributions to drive ongoing innovation.

Open SaaS Model Illustration

!Image

• Open-source codebase as foundation
• SaaS delivery platform for scalability
• User customization layers for flexibility
• Community contributions drive innovation

Source: Wikipedia: Software as a service

This section header slide, numbered 11, introduces the topic of SOA Architecture. It defines SOA as a design approach in which applications are constructed from interconnected services.

SOA Architecture

11

SOA Architecture

A design approach where applications are built as interconnected services.

The slide on Key Principles of SOA highlights how loose coupling allows services to be developed and deployed independently, while reusability across applications boosts efficiency and cuts down on redundancy. It also emphasizes interoperability through standards like SOAP and REST for smooth integration, alongside a modular, scalable design that fosters flexibility and growth.

Key Principles of SOA

• Loose coupling of services enables independent development and deployment
• Reusability across applications promotes efficiency and reduces redundancy
• Interoperability via standards like SOAP and REST ensures seamless integration
• Modular and scalable design supports flexibility and growth

Service-Oriented Architecture (SOA) offers key benefits including improved agility for updates and changes, as well as better integration with legacy systems. It also promotes cost efficiency via component reuse and enhances overall maintainability and scalability.

Benefits of SOA

• Improved agility in updates and changes
• Better integration of legacy systems
• Cost efficiency through component reuse
• Enhanced maintainability and scalability

The SOA Architecture Diagram illustrates key components of Service-Oriented Architecture, where services communicate via an Enterprise Service Bus (ESB) and are discovered and managed through a service registry. It also highlights orchestration for coordinating service interactions and workflows, along with endpoints that connect services to external applications.

SOA Architecture Diagram

!Image

• Services communicate through Enterprise Service Bus (ESB).
• Service registry enables discovery and management of services.
• Orchestration coordinates service interactions and workflows.
• Endpoints connect services to external applications.

Source: Service-oriented architecture

SaaS provides cloud-based applications via subscriptions with minimal setup, scalability, and accessibility, though it limits customization for vendor consistency. In contrast, Open SaaS combines open-source flexibility and high customizability with SaaS's subscription model, while SOA emphasizes modular, reusable services for integration and adaptability in on-premises or cloud environments.

Comparison: SaaS vs Open SaaS vs SOA

The SaaS market reached $195 billion in 2023, with an 18% year-over-year growth rate. Additionally, 40% of enterprises are adopting open SaaS hybrid models, while 60% of large organizations use SOA for integration purposes.

Market Statistics

• $195B: SaaS Market Size 2023

Growing 18% YoY

• 40%: Open SaaS Hybrid Adoption

Enterprises using models

• 60%: SOA in Large Orgs

For integration purposes Source: Gartner estimates

The slide, titled "Expert Quote," features a statement from SOA authority Thomas Erl emphasizing that Service-Oriented Architecture (SOA) allows businesses to adapt quickly in a digital world. This quote highlights SOA's role in enabling agile responses to modern technological demands.

Expert Quote

> SOA enables businesses to adapt quickly in a digital world.

— Thomas Erl, SOA authority

SaaS offers easy access and scalability, while Open SaaS enhances openness and customization for users. SOA enables modular integration, and the choice among them should align with specific innovation and efficiency requirements.

Key Takeaways

• SaaS provides easy access and scalability
• Open SaaS enables openness and customization
• SOA supports modular integration
• Choose based on innovation and efficiency needs

The slide concludes the presentation with a thank you message for the audience's attention and invites questions by contacting the team. It is presented by Aditi Gorai, Ankur Sasmal, Ritesh Kumar, and Krishnendu Ghosh, including their respective IDs.

Thank You

Thank you for your attention!

Questions? Contact the team.

Presented by: Aditi Gorai (10000222040) Ankur Sasmal (10000222039) Ritesh Kumar (10000222004) Krishnendu Ghosh (10000222069)

Closing Message: Thank you for your attention! (4 words) Call-to-Action: Questions? Feel free to contact the team for more details. (8 words)