Tips on How to Upgrade and Manage Legacy Software in Your Business
If your business has been around for a significant amount of time, then there’s a good chance that you have legacy software. So as to suit the company’s needs, software has to be tailored and customized hence the name legacy software. Due to this, you’ll find that this software is key to the company’s operations and is very difficult to replace or update. Some other reasons why you find it difficult to update legacy software include architecture, technology choice, poor design among others. Despite these difficulties, it is still important to update the software because there are new and better technologies out there that will make it less complicated and more maintainable. The following are some guidelines that will be helpful in the process of upgrading legacy software for your business.
The first step is to figure out which components are unnecessary. Having been used for such a long time in the company, there are some components of the software that will, without doubt, not be needed anymore. The removal of these unnecessary components is recommended because it enables you to simplify the system which is a key development concept.
One of the key challenges that are experienced by legacy systems is a large code base that has its logic combined. The best way to deal with this challenge is to develop an n-tier architecture which involves separation of the software into layers. The architecture you’ll be adopting shall involve three layers which at presentation, application and database layer. The best way to develop this system is with independence between these layers specified above.
There are many approaches and it comes to development and you will need to select one in this process. You will, of course, need to talk with your team so as to figure out which method they like the most. Agile software development is an approach that is being used today in most software development companies because of its efficiency. This approach will involve working on one piece of software at a time and debugging it.
Before you can start working on the new system, it is advisable for you to research on modern development frameworks. One thing you should know is that they usually new frameworks and programming languages each and researching will be an opportunity for the team you’re working with to also update their knowledge and skills.
Developing the system modules is recommended in this process. A modular system is one whereby the softer components work independently of each other. With such a development concept, the maintenance of the system shall be easier than it was before. Click here to read more about this topic.