When the software development was new it consisted a defined process only for programmers to write some code and meet the client’s agenda. Nowadays, systems are big and complex in terms of analysis, system architecture and design, lines of code and automation and as well as many other factors. To build a big system like an enterprise the team of analyst, designers, programmer, testers and project manager have to work together in a specific manner to create the millions of lines of code and meet the requirement.
To manage this, IT companies work on software development life cycle (SDLC), but what is it by the way? If we define this in layman language then SDLC provides the checklist for development; detailed look for all the phases team has to go.
If you are a Software Development company, you are using the SDLC every day, whether you realize it or not. If I squeeze you, I bet you could name all the SDLC phases by yourself. But take it easy for once and let me do the heavy lifting to explain the SDLC for you.
The phases of software development life cycle are as per below.
1. Strategic Planning & Analysis
“The beginning of project where every idea strikes in the mind as if it’s going to change the world.”
Jokes apart basically planning & analysis of project includes the gathering of requirements like;
- Goal of system building
- Defined functionalities
- Resource allotment along with tools and technologies
- Estimated time of delivery
- Budget allocation
If one directly starts the designing or development of project without defining the scope of work then all the end time functionality will lead the system for rework which is a waste of time as well as money.
“The most creative phase where all the designers do high stuff irrelative to how developers will execute the same in production.”
Well, the designing phase is the visual execution of the analysis phase. Below are a few terms get includes while designing the system.
- Database architecture
- Module design
- UI of the system
- Algorithm structure
To make sure that the whole team stays on the same page and get the look and feel of the design with a structured database design the phase is important. It gives a closer look to the detailed process of a project.
“Time to do all the work team have talked and discussed about.”
Build the system for which the requirement gathering and the designing phase comes handy as a guideline to follow. Build the pieces from approved designs and make things work the way it has been designed.
- The longest and trickiest phase
- Project development in production part
This phase will let you extend your capabilities in terms of problem solving, this is where you’ll see the visual as well as functional output of your project. All the execution time problems will be solved here.
“In the phase do the testing to check what has been built is working accordingly or not to give client the bug-free code.”
Test each component of the system to make sure that all the individual moving parts work by themselves and, as build out the system, that they all work together as part of a larger whole.
- Unit Testing
- Integration testing
- Quality attributes testing and
- Many others..
This is ongoing process where testers shows that implemented code is working fine and system is running flawlessly. This can be occur right from the designing phase to the maintenance phase.
“Ready to launch!-phase.”
The main goal is to place the solution in productive environment. And deliver the project phase by phase. Deliver the projects in stages that is ready to use and working fine.
- Unit Testing
- Integration testing
- Quality attributes testing
In the deployment stage the system interact with real-world environment and gets the honest feedback, in deployment the capability gets tested. And necessary changes are done.
“Maintenance : a never-ending process of updating system periodically.”
Kinda software development life cycle ends here but not the this phase, here improving the system for more efficient use, and fixing bugs as they occur gradually.
- Give closer look at defining terms and conditions.
- Keep the system updated with maintenance & support.
With agreeing with the terms and conditions for the Maintenance you’re updating your product whenever it’s necessary that means users get to know that how important it is for you.
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