What is Software Development Life Cycle and How Does it Affect Outsourcing?

outsourcing What is Software Development Life Cycle and How Does it Affect Outsourcing?

Last year we spoke about the Software Development Outsourcing Life Cycle, that deals with the process of outsourcing development from a client’s point of view. Here we talk about the SDLC, that is, the actual development process for a software, and how it might affect the outsourcing of the software.

SDLCs & How They Affect Outsourcing

The Software Development Life Cycle is something every Computer Engineer learns in school. It is the formal process to approach the development of a software – a scientific guideline towards the right way of building a software. Of course, there is no one right way of doing this. Throughout the history of computing, we have seen new development life cycles being invented, each with their own purpose, pros and cons. Each development methodology comes with a philosophy of its own, and in turn tends to be compatible to softwares that attest to that philosophy. At the same time, certain best practices have been singled out through history while others simply discarded and forgotten. Every SDLC methodology drastically affects the outsourcing cycle for a software. It affects the time lines, the development cost and even the ROI of the finished product. Let’s get to know more about this.

A General Guideline to SDLC

Every SLDC, however different it might be from the other, tends to follow a few basic steps in building a software. Depending on the SDLC, the order of these steps might differ, or even coincide. The basic ones are the following –

  • Planning and Visualization

  • Requirement Analysis

  • Software Modelling and Design

  • Coding

  • Documentation

  • Testing

  • Deployment and Maintenance

Each of these points is crucial for software development. But, depending upon the order and the importance given to a few of the above, we subdivide our SDLCs.

Types of SDLCs

Of the Several models and their subsets that have been implemented for years, a developer has to choose the most compatible according to the customer needs. The developer may believe in a certain set of cycles and may train his team to create systems in accordance with those processes. Here are a few basic types of life cycle models.

  • Waterfall/Cascade Model

The waterfall model is the most basic development model. It is pretty straightforward and reliable. Development starts with planning and design, then the actual coding, then the software is tested and once approved, the maintenance process begins.

  • Spiral Model

In 1988, Barry Boehm introduced a new methodology in which the development takes place in iterations. That is, instead of a classic incremental format of the waterfall model, one goes back and forth in an iterative manner, while with each step increasing the complexity and size of the software – like a spiral.

  • Agile Processes

In the past few years, the ideology of agile development has been on the rise. Agile methodology is supremely adaptive, with the software being tested and corrected throughout the development process. Agile developers believe in hands on corrective coding and implementation rather than documentation for later changes.

How Does it Affect the Outsourcing?


Every development methodology will give a different timeline as a result of different procedures that will affect the final ROI for the customer.

Reliability and Risk

Some development life cycles are specifically built for large, complex software where a sensitive and careful approach is required. More stress is given to the planning and documentation process. On the other hand, small, low risk software can be effectively tackled even by what is known as ad hoc programming, in which hands on coding gives the final result.

Resources and ROI

Methodologies like Agile development are developed so as to minimize the risk of finding a fault in the software during the later stages of development, which tends to increase the corrective costs by manyfold. This is just one example of how the SDLC can affect the ROI


Development process includes many trade-offs to meet the budget, time frame and resource requirements. Many of these can directly or indirectly affect the software security, which might lead to unprecedented losses in the future. Certain life cycles put utmost importance to the software security during the planning and implementation phases, but this means that they tend to increase the immediate costs of building the software.

Get to know which SDLC will be right for the development of your software through OptimusInfo. With our experienced staff of industry experts, we will guide you through the tedious but worthwhile process of software development.