Скачать или смотреть What is Waterfall Model in SDLC? Advantages & Disadvantages of Waterfall Model

What is SDLC in Software Engineering?
Two main SDLC categories: Sequential and Iterative.
What is Waterfall Model?
Different Phases of Waterfall Model
1. Requirement Gathering
Collects and documents customer needs.
Creates Software Requirement Specification (SRS) document.
Business analysts and product management teams involved.
2. Design Phase
Creates design documents based on requirements.
Front-end and back-end designs are developed.
High-level and low-level designs finalized.
3. Implementation or Coding Phase
Development team builds software from designs.
Front-end and back-end development follows design documents.
Communication protocols and technical details defined.
4. Testing Phase
Ensures software meets requirements through thorough testing.
Test cases planned and executed based on SRS document.
Issues logged as bugs and sent back to development for fixing.
5. Deployment Phase
Software goes live for customer use.
DevOps team handles the deployment process.
6. Maintenance Phase
Fixes bugs and improves the software post-deployment.
Continuous updates and improvements are made.
Key Characteristics of the Waterfall Model
Requires each phase to complete before moving forward.
Emphasizes extensive documentation.
Has a rigid and inflexible structure.
Advantages of the Waterfall Model
Clear phases and milestones.
Defined deliverables at each milestone.
Disadvantages of the Waterfall Model
Inflexibility to accommodate changes.
Late testing can be costly.
Client sees the software only at the end.
Resource planning challenges.

Table of Contents:
00:00 Introduction
00:35 What is SDLC
01:26 What is Waterfall Model
02:03 Different Phases of Waterfall Model
02:18 Requirement Gathering Phase
03:41 Design Phase
05:24 Implementation Phase
06:08 Testing Phase
07:27 Deployment Phase
07:53 Maintainance Phase
08:24 Key Characteristics of the Waterfall Model
09:03 Advantages of the Waterfall Model
09:22 Disadvantages of the Waterfall Model

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