{"id":2188,"date":"2021-06-09T07:15:44","date_gmt":"2021-06-09T07:15:44","guid":{"rendered":"https:\/\/phelixinfosolutions.com\/blog\/?p=2188"},"modified":"2021-06-09T07:15:44","modified_gmt":"2021-06-09T07:15:44","slug":"software-development-life-cycle-sdlc-process-phases-models-and-best-practices","status":"publish","type":"post","link":"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/","title":{"rendered":"Software Development Life Cycle (SDLC) Process: Phases, Models and Best Practices"},"content":{"rendered":"<div class=\"47de946b8831610645f1873afb8597bb\" data-index=\"4\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-0205282431111794\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2024 Vertical -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-0205282431111794\"\r\n     data-ad-slot=\"3037936695\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>SDLC is an acronym for Software Development Life Cycle, which is a framework used by software development organizations to build quality UI\/UX designs and highly functional software. Throughout the years, SDLC has been used by companies to deal with the implications of software development and deliver end-products that meet the expectations of the clients. The process assists in the systematic delivery of the software with adequate planning, development, and testing rounds.<\/p>\n<p>Even in SDLC, there are various phases and models that are important to understand if you want to use SDLC for your projects. In this blog, we will be covering these phases, the benefits of SDLC, and various models. You will also be informed on the common mistakes and challenges of SDLC along with brief advice on how to select the right software development model for your project or company.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fb043f2a9d7\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fb043f2a9d7\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#The_Seven_Phases_of_SDLC\" title=\"The Seven Phases of SDLC\">The Seven Phases of SDLC<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_1_Planning_and_Requirement_Analysis\" title=\"Phase 1: Planning and Requirement Analysis\">Phase 1: Planning and Requirement Analysis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_2_Requirements_Defining\" title=\"Phase 2: Requirements Defining\">Phase 2: Requirements Defining<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_3_Architecture_Designing\" title=\"Phase 3: Architecture Designing\">Phase 3: Architecture Designing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_4_Software_Development\" title=\"Phase 4: Software Development\">Phase 4: Software Development<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_5_Testing\" title=\"Phase 5: Testing\">Phase 5: Testing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_6_Deployment\" title=\"Phase 6: Deployment\">Phase 6: Deployment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Phase_7_Maintenance\" title=\"Phase 7: Maintenance\">Phase 7: Maintenance<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Benefits_of_SDLC\" title=\"Benefits of SDLC\">Benefits of SDLC<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#1_Organizes_Efforts\" title=\"1. Organizes Efforts\">1. Organizes Efforts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#2_Reduces_Development_Costs\" title=\"2. Reduces Development Costs\">2. Reduces Development Costs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#3_Faster_Development\" title=\"3. Faster Development\">3. Faster Development<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#4_Better_Chances_of_Success\" title=\"4. Better Chances of Success\">4. Better Chances of Success<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Different_Models_of_SDLC\" title=\"Different Models of SDLC\">Different Models of SDLC<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#1_Waterfall_Model\" title=\"1. Waterfall Model\">1. Waterfall Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_Waterfall_Model\" title=\"Advantages of Waterfall Model:\">Advantages of Waterfall Model:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_Waterfall_Model\" title=\"Disadvantages of Waterfall Model:\">Disadvantages of Waterfall Model:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#2_V-Model\" title=\"2. V-Model\">2. V-Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_V-Model\" title=\"Advantages of V-Model:\">Advantages of V-Model:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_V-Model\" title=\"Disadvantages of V-Model\">Disadvantages of V-Model<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#3_Scrum_Model\" title=\"3. Scrum Model\">3. Scrum Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_Scrum_Model\" title=\"Advantages of Scrum Model\">Advantages of Scrum Model<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_Scrum_Model\" title=\"Disadvantages of Scrum Model\">Disadvantages of Scrum Model<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#4_Kanban_Model\" title=\"4. Kanban Model\">4. Kanban Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_the_Kanban_model\" title=\"Advantages of the Kanban model:\">Advantages of the Kanban model:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_the_Kanban_model\" title=\"Disadvantages of the Kanban model:\">Disadvantages of the Kanban model:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#5_Agile_Model\" title=\"5. Agile Model\">5. Agile Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_Agile_Model\" title=\"Advantages of Agile Model:\">Advantages of Agile Model:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_Agile_Model\" title=\"Disadvantages of Agile Model:\">Disadvantages of Agile Model:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#6_Spiral_Model\" title=\"6. Spiral Model\">6. Spiral Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_Spiral_Model\" title=\"Advantages of Spiral Model\">Advantages of Spiral Model<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_Spiral_Model\" title=\"Disadvantages of Spiral Model\">Disadvantages of Spiral Model<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#7_RAD_Model\" title=\"7. RAD Model\">7. RAD Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_the_RAD_Model\" title=\"Advantages of the RAD Model:\">Advantages of the RAD Model:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_the_RAD_Model\" title=\"Disadvantages of the RAD Model:\">Disadvantages of the RAD Model:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#8_The_Big_Bang_Model\" title=\"8. The Big Bang Model\">8. The Big Bang Model<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Advantages_of_the_Big_Bang_Model\" title=\"Advantages of the Big Bang Model:\">Advantages of the Big Bang Model:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Disadvantages_of_the_Big_Bang_Model\" title=\"Disadvantages of the Big Bang Model:\">Disadvantages of the Big Bang Model:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Common_Problems_that_Companies_face_with_SDLC\" title=\"Common Problems that Companies face with SDLC\">Common Problems that Companies face with SDLC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#How_to_Select_the_Correct_SDLC_Model_for_a_Project\" title=\"How to Select the Correct SDLC Model for a Project\">How to Select the Correct SDLC Model for a Project<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-life-cycle-sdlc-process-phases-models-and-best-practices\/#Summing_Up\" title=\"Summing Up\">Summing Up<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Seven_Phases_of_SDLC\"><\/span>The Seven Phases of SDLC<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The different SDLC phases are the different steps required to begin and complete the development of a software project. Although these phases are to be followed in a sequence, minor adjustments and modifications can be made depending on the model you select.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phase_1_Planning_and_Requirement_Analysis\"><\/span>Phase 1: Planning and Requirement Analysis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This phase involves gathering inputs from the client, other stakeholders, and subject matter experts. Basically, the scope of work of the entire project is prepared and expected problems are listed out, such as the requirements for quality assurance analysis and other technical predicaments. Finally, a rough timeline is prepared and shared with the client.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phase_2_Requirements_Defining\"><\/span>Phase 2: Requirements Defining<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In the second phase, a \u2018Software Requirements Specifications (SRS)\u2019 document is prepared to define precise requirements. This document includes every feature and functionality that the client wants to be written in full detail. After defining the requirements, the following feasibility analysis is done:<\/p>\n<ul>\n<li><b>Economic Analysis: <\/b>Whether the requirements fit in the budget<\/li>\n<li><b>Timeline Analysis:<\/b> Whether the requirements can be complete in the requested time frame<\/li>\n<li><b>Legal Analysis:<\/b> Whether the requirements meet statutory and cyber law obligations<\/li>\n<li><b>Operational Analysis: <\/b>Whether the team can actually develop the required features and functions<\/li>\n<li><b>Technical Analysis:<\/b> Whether the company has adequate technical resources to develop the project<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Phase_3_Architecture_Designing\"><\/span>Phase 3: Architecture Designing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Based on the SRS document, different designs are planned for the software architecture, including High-Level designs (interface relationships and module outlines) and Low-Level designs (functional logics, database tables, error messages, etc.) All the designs are compiled into a DDS (Design Document Specification) doc, which is then shared with all important stakeholders for review.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phase_4_Software_Development\"><\/span>Phase 4: Software Development<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Once the designs are finalized, the actual <a href=\"https:\/\/phelixinfosolutions.com\/blog\/software-development-company\/\" target=\"_blank\" rel=\"noopener\">software development<\/a> starts in the fourth phase. It includes the programming of the source code and is done without haste in a strategic manner. The designs are broken down into different units and tasks and allocated amongst team members who then use programming principles to give shape to the project. After interpreting, compiling, and debugging the source code, the project moves into the next phase.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phase_5_Testing\"><\/span>Phase 5: Testing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The testing phase involves the deployment of the software in a testing environment to validate the functionality of the entire software. Any defects in the software are mapped, resolved, and tested till the functionality is proved. The quality of the software is also measured by comparing it with the standards defined by the stakeholders in the SRS document.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phase_6_Deployment\"><\/span>Phase 6: Deployment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A beta version of the software is released for a limited segment of the market who then use the software and provide feedback. After feedback collection, any necessary changes are made and the final software is released.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phase_7_Maintenance\"><\/span>Phase 7: Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Regular maintenance of the software takes place over time. The maintenance issues involve fixing any bugs that went undetected in the testing phase, software enhancements to add more functionality, and timely updates to ensure quality to the software.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Benefits_of_SDLC\"><\/span>Benefits of SDLC<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The software development life cycle process provides a means to evaluate software requirements, schedule, and begin with the development process more strategically. If adapted properly, it can provide companies with the following benefits:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Organizes_Efforts\"><\/span>1. Organizes Efforts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Collaborating team efforts and keeping everyone on the same page is important in large-scale software development projects. SDLC phases act as a structural plan to divide the team into various roles and responsibilities. The SDLC process also guides the team members throughout the various development phases and leads to the gradual completion and deployment of the software.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Reduces_Development_Costs\"><\/span>2. Reduces Development Costs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Adherence to SDLC brings economic benefits to <a href=\"https:\/\/www.fatbit.com\/fab\/top-10-custom-software-development-companies\/?q=stackify\"><b>software development companies<\/b><\/a>. SDLC includes the calculation of technical requirements, operational costs, and overhead costs beforehand to minimize expenditure. It makes the development team more productive so that they can work at their optimum levels and eliminate waste efforts. The predefining of functional logic and systematic testing rounds also ensure high-quality software, which reduces post-deployment bugs and maintenance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Faster_Development\"><\/span>3. Faster Development<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SDLC enables software developers to complete the project in the desired timeline. Some SDLC models even provide flexibility for changes in the timeline by prioritizing some sets of features over others and releasing partial software mid-development. For example, Scrum is one such model that allows for quick launch of the software by focusing on all essential features and the development of a Minimal Viable Product (MVP) software.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Better_Chances_of_Success\"><\/span>4. Better Chances of Success<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SDLC assists companies in managing their overall workload and working on multiple software development projects. Not only does it have a proven track record of providing success to hundreds of <a href=\"https:\/\/phelixinfosolutions.com\/blog\/hire-a-pro-developer\/\" target=\"_blank\" rel=\"noopener\">software development businesses<\/a>, but it has also become a standard required to match the productivity levels of large-scale IT organizations. In addition, projects completed with SDLC are recorded to provide higher satisfaction rates to customers.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Different_Models_of_SDLC\"><\/span>Different Models of SDLC<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The software development life cycle process can be followed by adopting various development models. These models are based on the principles of SDLC and can be used to resolve the various complexities of a project.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Waterfall_Model\"><\/span>1. Waterfall Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The waterfall model adheres to the exact principles of the software development life cycle and completes the project in a sequential process. Every phase in the Waterfall model is dependent on the outcome of the previous phase, which makes it impossible to introduce any new feature requirements mid-development. Any changes would require the development team to begin the entire development from scratch.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_Waterfall_Model\"><\/span>Advantages of Waterfall Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Easy to follow<\/li>\n<li>Has specific deliverables and timeframe<\/li>\n<li>Has predictable outcomes<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_Waterfall_Model\"><\/span>Disadvantages of Waterfall Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Does not allow for any changes in mid-development<\/li>\n<\/ul>\n<ul>\n<li>The time-consuming software release can frustrate the clients<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_V-Model\"><\/span>2. V-Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The V-Model is derived from the waterfall model. In this model, every stage of the waterfall model is complemented with a round of testing. It is simple to follow and results in the development of a highly satisfying end-product. Due to the presence of parallel testing rounds, the V-model is also known as the \u2018Validation and Verification\u201d model. Despite the presence of these testing rounds, the model does not get complex and is easy to control.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_V-Model\"><\/span>Advantages of V-Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Results in the development of a highly satisfactory product<\/li>\n<li>Easy to follow<\/li>\n<li>Begins with thorough planning<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_V-Model\"><\/span>Disadvantages of V-Model<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Does not allow for mid-development changes<\/li>\n<li>Not suitable for large-scale projects<\/li>\n<li>Only suitable when the client\u2019s requirements are strictly pre-defined<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_Scrum_Model\"><\/span>3. Scrum Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Scrum software development model follows agile methodology, which allows for mid-development changes. In this SDLC model, the development is split into various sprints. Each sprint follows the SDLC phases and the first sprint focuses on developing a base, whereas others work on specific sets of features called backlogs. Scrum model sprints aren\u2019t time-consuming and are based on shared roles and responsibilities.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_Scrum_Model\"><\/span>Advantages of Scrum Model<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Allows for iterative development<\/li>\n<li>Mid-development changes are possible<\/li>\n<li>Releases a market-ready software<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_Scrum_Model\"><\/span>Disadvantages of Scrum Model<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>No specific timeframe<\/li>\n<\/ul>\n<ul>\n<li>Lengthy development<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4_Kanban_Model\"><\/span>4. Kanban Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Kanban model uses a Kanban board where each task is mentioned along with its priority. Developers with available bandwidths select their tasks (known as the pulling technique) or they can also work on a single feature collectively. The Kanban Model completes the project feature by feature and allows for changing priorities. It also calls for better coordination amongst the development team.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_the_Kanban_model\"><\/span>Advantages of the Kanban model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Allows for mid-development changes<\/li>\n<li>Prioritizes the development of more important features<\/li>\n<li>Faster development<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_the_Kanban_model\"><\/span>Disadvantages of the Kanban model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Individual performance affects the whole team<\/li>\n<li>Not as well planned as other models<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"5_Agile_Model\"><\/span>5. Agile Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The agile model divides software development into various releases. Each release is shown to the client to ensure if he is satisfied with the direction for the software. This way, the agile model ensures maximum satisfaction to the client. The principle of incremental progress is followed in the agile model.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_Agile_Model\"><\/span>Advantages of Agile Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>High client satisfaction rates<\/li>\n<li>Follows incremental progress<\/li>\n<li>Allows for mid-development changes<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_Agile_Model\"><\/span>Disadvantages of Agile Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Difficult to estimate delivery timeline and resources<\/li>\n<li>Not suitable for small size startups<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"6_Spiral_Model\"><\/span>6. Spiral Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The spiral model is based on the principles of both Agile and Waterfall methodologies. It keeps iterating on four rounds, which are:<\/p>\n<ol>\n<li>Determining objectives<\/li>\n<li>Identifying risks<\/li>\n<li>Developing and testing<\/li>\n<li>Planning the next iteration<\/li>\n<\/ol>\n<p>The spiral model heavily focuses on risk analysis to bring quality to the end product. It also includes the collection of user feedback and the development of various prototypes.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_Spiral_Model\"><\/span>Advantages of Spiral Model<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Focuses on risk analysis<\/li>\n<li>Allows for changes even at the later stages of development<\/li>\n<li>The first prototype is released very early for collecting user feedback<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_Spiral_Model\"><\/span>Disadvantages of Spiral Model<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Expensive<\/li>\n<li>Inappropriate for small projects<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"7_RAD_Model\"><\/span>7. RAD Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Rapid Application Development (RAD) model involves the development of software with prototyping and subsequent iterations. In this model, the software requirements are collected from a focus group of customers instead of the client. It does not adhere to any specific plan, which in turn results in aggressive development and highly functional prototypes. The RAD model also depends on the reusability of important elements.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_the_RAD_Model\"><\/span>Advantages of the RAD Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Faster development<\/li>\n<li>Allows for changes mid-development<\/li>\n<li>Requires less number of iterations<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_the_RAD_Model\"><\/span>Disadvantages of the RAD Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Follows no specific plan<\/li>\n<li>Suitable for small projects only<\/li>\n<li>Difficult to manage<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"8_The_Big_Bang_Model\"><\/span>8. The Big Bang Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Big Bang software development life cycle model does not follow any specific set of guidelines. It is totally random and relies on the maximum utilization of resources. To begin the development with this model, software companies do not need pre-defined requirements and can release the end-product in any number of stages.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Advantages_of_the_Big_Bang_Model\"><\/span>Advantages of the Big Bang Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Requires no planning<\/li>\n<li>Focuses on the maximum utilization of resources<\/li>\n<li>Does not follow a strict schedule, giving more flexibility to developers<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Disadvantages_of_the_Big_Bang_Model\"><\/span>Disadvantages of the Big Bang Model:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Only suitable for smalls size projects<\/li>\n<li>Does not ensure quality<\/li>\n<li>Not suitable for long-term projects<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Common_Problems_that_Companies_face_with_SDLC\"><\/span>Common Problems that Companies face with SDLC<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Software development companies often encounter the following problems while working with SDLC Models:<\/p>\n<ol>\n<li><b> Unclear Requirements: <\/b>The end-product relies heavily on the software requirements and the selected set of features. When these requirements aren\u2019t properly defined, it is difficult for a company to develop functional software and ensure quality.<\/li>\n<li><b> Agility: <\/b>Not all SDLC requirements are based on the agile methodology. As a result, any changes in the requirements slow down the development process and deteriorate the quality. To resolve this problem, companies prefer using agile models like Scrum and Kanban.<\/li>\n<li><b> Poor Scheduling: <\/b>Models following agile methodology often face the problem of poor time scheduling. This is due to frequent changes in the requirements, which make it difficult to provide a timeline for project completion.<\/li>\n<li><b> Model Identification:<\/b> Identifying the correct SDLC model for a project requires a thorough analysis of the project. Using the wrong model can lead to various customer satisfaction, project quality, and low revenue problems.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Select_the_Correct_SDLC_Model_for_a_Project\"><\/span>How to Select the Correct SDLC Model for a Project<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Although there\u2019s no specific guide to select the correct SDLC model for your project, you can refer to the following table:<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Type of Project<\/b><\/td>\n<td><b>Recommended SDLC Model<\/b><\/td>\n<\/tr>\n<tr>\n<td>Has unclear requirements<\/td>\n<td>Agile, Scrum, Kanban and RAD<\/td>\n<\/tr>\n<tr>\n<td>Requires Unfamiliar Technology<\/td>\n<td>Agile and Scrum<\/td>\n<\/tr>\n<tr>\n<td>Large Size Complex Projects<\/td>\n<td>Agile, Scrum, Kanban, and Spiral<\/td>\n<\/tr>\n<tr>\n<td>Small Size Projects with No Complexity<\/td>\n<td>Waterfall, RAD, and Big Bang<\/td>\n<\/tr>\n<tr>\n<td>Small to Medium Size Projects with Low Complexity<\/td>\n<td>Waterfall, Rad and V Model<\/td>\n<\/tr>\n<tr>\n<td>Has Short Turnaround Time<\/td>\n<td>Rad, Waterfall, and Big Bang<\/td>\n<\/tr>\n<tr>\n<td>Has Client Involvement and Visible Schedule<\/td>\n<td>Agile, Kanban, and Scrum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The aforementioned table is only for reference. A thorough analysis of your project including the complexity of features, required technology, delivery timeframe, and client\u2019s objectives will help you determine the actual model.<\/p>\n<h5><span class=\"ez-toc-section\" id=\"Summing_Up\"><\/span>Summing Up<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>Software development companies, especially startups, can benefit a lot following the SDLC process. It can help them streamline various work processes and negate problems like ineffective management, overhead costs, and poor client satisfaction. As companies follow the SDLC process, they will gain proficiency in selecting the correct model and delivering a quality end-product within the said time frame. All this is essential for a <a href=\"https:\/\/www.fatbit.com\/?q=stackify\"><b>software development company<\/b><\/a> to succeed.<\/p>\n<p>Another option for small-size companies to utilize their models for maximum advantage is to outsource their work to an experienced organization. FATbit Technologies is a leading software development company that assists <a href=\"https:\/\/phelixinfosolutions.com\/blog\/improve-the-personality-of-the-entrepreneurs\/\">entrepreneurs<\/a> in launching eCommerce businesses with its readymade solutions and agile development services. For long-term projects with diverse features and need for agility, share your requirements with FATbit Technologies and they will help you deliver quality software with the right development approach.<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>SDLC is an acronym for Software Development Life Cycle, which is a framework used by software development organizations to build quality UI\/UX designs and highly functional software. Throughout the years, SDLC has been used by companies to deal with the implications of software development and deliver end-products that meet the expectations of the clients. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2190,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[934,3229],"tags":[3309,3311,3304,3310,3308,3307,3305,3306],"class_list":["post-2188","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile-app-development","category-software","tag-describe-software-development-life-cycle-models-with-example","tag-sdlc-javatpoint","tag-software-development-life-cycle","tag-software-development-life-cycle-geeksforgeeks","tag-software-development-life-cycle-models","tag-software-development-life-cycle-pdf","tag-software-development-life-cycle-phases","tag-software-development-life-cycle-ppt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium 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