DevOps has become a popular and commonly adopted software development model in IT industry in recent years. Its popularity is partially because it advocates it could improve software development efficiency, delivery speed and cost saving. This is especially favored by managers who become the main force to promote this type of development model in their companies. However, we must be cautious about DevOps model as well. With their advantages, they also bring challenges to development teams and they have their own requirements. If we just blindly advocate DevOps to all projects, it would bring u...

The last couple of years more and more people have been moving towards Agile development. These techniques aren’t new, most we’re devised in the 80s or 90s. But finally these days programmers and (more importantly) business consultants, architects and clients have learned to love and embrace Agile development.Evolving requirementsIt has now become common knowledge that you can’t write down all the requirements before you start the project. These requirements have to be written down in an evolutionary matter. In short cycles/sprints we build pieces of the pro...