"Software Development :The SDLC Journey Unveiled"
Understanding the Foundation of Software Development
SDLC Overview 🚀
What is SDLC?
SDLC, which stands for Software Development Life Cycle, is a fundamental concept in the software industry. It's a structured approach used by various types of organizations to create software efficiently and effectively. Let's break it down for a better understanding.
Three Types of Organizations
SDLC is embraced by three main types of organizations:
🏭 Product-Based Companies
Examples: Google, Facebook, Amazon, etc.
They create software products used by customers and businesses.
These companies develop software for both Business-to-Customer (B2C) and Business-to-Business (B2B) purposes.
🤝 IT Consulting Companies
Examples: Accenture, Capgemini, TCS, Infosys, and more.
They provide human resources with expertise in software development, maintenance, and process knowledge.
They often have domain-specific knowledge.
🏢 Non-IT Sector Companies
Examples: Automobile, Banking, Healthcare, Education, Energy, Insurance, etc.
These companies use software in various aspects of their operations.
They belong to different industry verticals.
Software in Non-IT Sectors
Consider the automotive industry as an example. Companies like BMW, Toyota, and Tata Motors don't sell software; they sell cars. However, software plays a crucial role in designing and manufacturing these vehicles.
Where SDLC Comes In
SDLC, or Software Development Life Cycle, is the process that guides how software is created. It consists of six main phases:
📋 Requirement Gathering & Analysis
In this phase, requirements for the software are collected by consulting users and stakeholders.
These requirements are documented and approved before moving forward.
🖌️ Design
The software is designed based on the gathered requirements, adhering to design principles and architectural principles.
This phase lays the foundation for the software's structure.
💻 Development or Coding
This is where the actual software is written.
Software developers create instructions for the computer to perform specific tasks.
🧪 Testing
In the testing phase, the software is thoroughly checked for quality and to ensure it meets the requirements.
Various types of testing are performed, including unit testing, integration testing, user acceptance testing, and performance testing.
🚀 Deployment
After successful testing, the software is deployed to an environment where users can access it.
For instance, a mobile app is published on app stores for users to download.
🛠️ Maintenance and Support
This phase can be ongoing and is essential for fixing any issues that users encounter.
Updates and improvements are made as needed.
🚀 Different Models in SDLC
Imagine you're making a cake 🎂. You can follow different recipes based on factors like time, resources, and taste. SDLC has models, too:
Waterfall Model
Each phase must be completed before moving to the next.
Like building a house, you can't start decorating until the construction is done 🏠.
Agile Model
Work in small cycles, like making a batch of cookies 🍪.
After each batch, you taste them (gather feedback) and make improvements.
Spiral Model
Imagine a spiral staircase 🌀. You go up in loops, each loop improving the product.
It's like climbing a mountain, stopping at base camps to rest and prepare for the next climb ⛰️.
Big Bang Model
- Everything happens at once, like a surprise party 🥳 where you unveil everything together.
Different projects may use different models depending on their unique needs, just like you choose a recipe based on what you want to bake.
In summary, SDLC is a structured process used by different organizations to create software products or use software efficiently in their operations. It ensures that software is developed, tested, deployed, and maintained effectively, whether it's for a car manufacturer or a mobile app developer.
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_ Thank you for reading💚
_Sprasad 🌻✨