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SDLC vs STLC: The Main Points of Comparison

The SDLC is a process that we use to produce quality software application while STLC refers to a series of tasks that are performed to ensure the software meets definite quality standards.<br>

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SDLC vs STLC: The Main Points of Comparison

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  1. SDLC vs STLC: The Main Points of Comparison

  2. The Software Development Life Cycle (SDLC) is a process that the teams use to produce quality software in the application. The purpose of SDLC is to meet customer expectations by a certain time by utilizing a cost-effective approach. SDLC was designed to handle complex businesses that require processing and analyzing data.

  3. 1. Plan / Gather Requirements The first phase plans and gathers the significant requirements from different stakeholders. The stakeholders can include customers, team members, and subject matter experts (SMEs). Generally, the information is evaluated to determine what is most practical for the software project. In addition, the risks and opportunities are discussed during this phase. All the requirements gathered are used to plan a feasible approach. A couple of approaches are: Technical Approach – All the expected services that will meet the stated technical scope of work (SOW) Operational Approach – All the steps taken for the transition from a software’s current condition to an end-result condition

  4. 2. Design Software In the design software phase, the team moves with every requirement and creates a design document specification (DDS). The main question from the DDS perspective answers, “How are we actually going to build the software?”. With all the approved requirements, the comprehensive software architecture defines processes and approaches for each module. Individual processes and modules represent the data flows and the communication. Usually, the DDS designer uses pseudo-code, business rules, screenshots, and diagrams (hierarchy, detailed logic, entity-relationship, business processes) to outline many different functionalities. 3. Develop Software The development of software begins when the developer receives the design document specification (DDS). All the components are transformed from a high-level overview into the source code. The previous planning and specifications operate as a guide for implementing the required functionality.

  5. 4. Test Software Testing of the software affirms its quality. The QA team refers to the system requirements document (SRD) or the user stories to verify each of the functionality. Therefore, in this phase, the goal is to ensure a quality product and confirm every functionality working as expected. If a bug is discovered, then the QAs reproduce the steps, note them, and then assign them to the development team. A developer fixes the bugs and sends them back to QA. Generally, the QA tester who discovered the bug also retests and verifies that it no longer exists. Testing is performed by the QAs until the software operates according to the business requirements and customer’s standards. 5. Deploy Software In the deployment phase, the team has already resolved all the bugs and satisfied the agreed specifications. Finally, the software is released to the production environment. It is available for the market so customers can use the software. 6. Maintain Software The software maintenance phase is the most vital for SDLC. It safeguards the software and continues to perform as per the requirements. The team gradually transitions from developing and testing the software to maintaining the software. Based on the different feedback from the development team and the end-users/customers, the following actions are taken:

  6. Conclusion: SDLC & STLC Comparison SDLC and STLC have phases that extend each other. For example, the SDLC encompasses gathering requirements and testing software. The STLC incorporates analyzing requirements before creating a test plan. When it comes to setting up the test environment, this activity can be carried out in the SDLC or STLC. Although essential, the QA team is not responsible for constructing the test environment. Developers generally set it up so testers can start execution. The following is a breakdown of each phase for SDLC and STLC: We, at Oodles, specialize in building custom enterprise solutions for the diverse industry-specific needs of our clients. Our development team is skilled at using open-source software platforms for custom ERP development from scratch. To learn more about our custom ERP development services, contact us at erp@oodles.io.

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