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What is SDLC?

The software development life cycle (SDLC) is a streamlined, rapid process that development teams use to design and build high-quality software. The purpose of SDLC is to minimize project risk through advance planning to ensure that software meets customer expectations during production and beyond. This methodology describes a series of steps that break the software development process into tasks that can be assigned, completed, and measured.

Why is SDLC important?

Changing requirements, technology updates, and cross-departmental collaboration can make software development difficult. The Software Development Life Cycle (SDLC) methodology provides a structured management structure with specific deliverables for each stage of the software development process. As a result, all stakeholders agree in advance on software development goals and requirements and have a plan to achieve those goals. Some benefits of SDLC include: Increased transparency of the development process for all stakeholders involved. Effectively estimate, plan and schedule Improved risk management and cost estimation Systematic software provision and improved customer satisfaction

How does SDLC work?

The Software Development Life Cycle (SDLC) describes the different tasks required to create a software application. The development process takes place in several stages. Developers add new features and fix bugs in the software. The details of the SDLC process vary from team to team. However, below we outline some common steps in SDLC. 

Plan

The planning phase typically includes tasks such as cost-benefit analysis, scheduling, resource estimation, and resource allocation. The development team gathers requirements from various stakeholders, including clients, internal and external experts, and managers, and creates a software requirements specification document. This document sets expectations and defines overall goals to help plan the project. The team estimates costs, creates schedules, and develops detailed plans to achieve goals. 

Design

During the design phase, software engineers analyze requirements and determine the best solution for creating software. For example, you might consider integrating existing modules, select technologies, and identify development tools. They will consider how best to integrate new software into the organization’s existing IT infrastructure. 

Realize 

During the implementation phase, the development team codes the product. They analyse requirements to identify small coding tasks that can be done daily to achieve the end result. test The development team uses a combination of automated and manual testing to check the software for errors. Quality analysis includes testing the software for errors and ensuring it meets customer requirements. Because many teams immediately test the code they write, the testing phase often runs in parallel with the development phase. 

Distribution 

When teams develop software, they write and test code on a copy of the software other than the one that users can access. The software that customers use is called production software, and the remaining copies are in the build or test environment. Having separate build and production environments allows customers to continue using the software even as it changes or is upgraded. The deployment phase includes several tasks that move the latest copy of the build to the production environment, including packaging, environment setup, and installation. 

Apply 

During the maintenance phase, teams perform tasks such as fixing bugs, resolving customer issues, and managing software changes. The team also monitors overall system performance, security, and usability to identify new ways to improve existing software.

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