Software Development Life Cycle
After understanding and experiencing the enthralling advantages of outsourcing development projects, more and more business owners are choosing to outsource their software development requirements to top offshore destinations. Although, having in-depth information of software development life cycle (SDLC) becomes a main concern for not only the software development service providers, but also for the consumers to keep a watch on their application development progress during the software development process. Software development life cycle is essential as it provides a systematic plan to integrate different aspects of application development.
Over the years, the development process of software has undergone radical changes. Earlier, it involved only a developer for writing the code of the software, but today, it has become more difficult and requires a team of analysts, programmers, architects and testers who perform collectively to develop codes. These factors have lifted up the importance of software development life cycle in creating a product. Its failure and absence has affected the product’s performance to a large extent. Though, each software has a lifecycle to complete, it is not possible to speed up the development procedure. Thus, to meet the varying demands of the customers, business holders choose to outsource their development project to expert software companies.
Software development process needs a lot of planning, programming, implementation and testing. It is not possible to build perfect software unless it passes through all the tests and quality analysis in its life cycle. So, consumers should keep a track on SDLC when they opt for software development outsourcing to a development company. A good development firm put special emphasis on SDLC to produce the unique, effective, dynamic functional and operation critical software that can support your business in a long run. The life cycle of software development is a fixed structure that is implemented by all development professionals for complete understanding and creating efficient information systems and applications.
Although software building life cycle can have different versions and each version has pros and cons, but all versions have same stages or activities which are discussed in this blog.
Requirement gathering and analysis!
This is the first phase of software development. Business requirements are determined in this stage and it is the key focus of the project managers and consumers. Meetings with IT managers and clients are held in order to decide things like what data should be input and output of the system? How will they use the system? These are general questions which are discussed in this phase. Experts also check it for its feasibility, if it is feasible, then only they will go further.
After testing the feasibility of the project and analysis of system or software requirements design is prepared. Depending upon the software demand, software design is created. Design aids in specifying system and hardware requirements, defining complete system architecture and strategy for development process. Necessary changes are made. In this phase, every program from interface design to data design is discussed to make the software of high level design. Any error in this phase may prove quite expensive for next phases of life cycle. Thus, this phase is considered as the logical system of the software.
Code generation and Implementation!
After receiving system design documents, the task is segregated in modules or units and actual coding is initiated. Code translation of the well-prepared design is done in this stage. Desired programs are developed using a traditional programming language and programming tools like Interpreters, Compilers, Debuggers etc. High level programming languages such as C, C++, Java etc. are used to generate the code. This is the longest part of software development process.
Testing and Quality Assurance!
Apart from requirement analysis stage, testing is another critical phase of SDLC which decides the efficiency and performance of the product. This phase untangles the errors and bugs of the system. Primarily, the individual modules of software are tested independently which is followed by testing of the software as a whole. The product is tested against the requirements to ensure that the software is actually serving the needs which are gathered during the requirements stage.
Maintenance and Support!
Software maintenance and support is an unavoidable requirement. Once the product is delivered to the clients, it may undergo several changes. Software building should be flexible enough to instill essential changes with time depending upon the varying business needs. There are several reasons for the change. It may happen because of few unexpected input values into the software. In addition to this, the changes in the system can directly impact the software operations. Thereby, the software should be created in order to accommodate modifications that could occur during the post implementation time. Each and every stage of Software development life cycle carries its own importance and plays an important role in effectiveness of any software development project.
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