Choosing the right framework for migrating your application


There comes a time when you have to rethink about the backbone framework that your application has been running since many many years. There could be different reasons for migration, like no more support to the existing framework or the framework does not offer some features that you really want your application to have or performance of the framework or you may want to change to an open source technology or it maybe customer driven etc.
Migrations can be complicated since the architecture of the current framework and the new framework are bound to be different.
Below are some of the things one can consider for choosing the right framework for migration.

–     Shortlist the available frameworks:

First, shortlist the frameworks that are available which fit your application. For example – if your application product is a streaming application that does a realtime analysis, check all the realtime frameworks that are currently available.

–     Comparison of the shortlisted frameworks:

There are readily available articles online that compare similar frameworks based on Performance, extendability, ease of use, skills required, quality, cost etc.
You can get an insight of which of the frameworks stand apart from others based on some research.

–     Do the shortlisted frameworks fit in all the current and near-future requirements of the application ?

At the bare minimum, the framework that you would want to migrate to should offer at least the features that are already available in the current framework. This will make sure that your application does not lose on any already available features.
Also, the new framework should support all the new features that you would want to have in your application in the near future.

–     Scalability:

A system is considered scalable when it doesn’t need to be redesigned to maintain effective performance during or after a steep increase in workload. It becomes important for the framework to support scalability since the workload of the application is bound to increase over time.

–     Enough support and documentation on the shortlisted frameworks:

Do a comprehensive research on what kind of support and documents are available for the shortlisted frameworks. If there is not enough support, you might get stuck during the migration and development phase for simple things which may hinder the development progress.

–     Easy to move on:

If you are having to migrate your product now, you may have to migrate again in future. Our requirements always keep changing, and so is the world. It is important that you don’t have to change your application so much to fit into a framework since you may have to get out of it in future.

–     Future of the shortlisted frameworks:

It is important to understand what is the future of the framework that you are migrating to, and what are the companies using or backing it. If the framework does not have a future, you may have to go through the same exercise again very soon.

–     Easy to integrate with other components:

An application’s architecture usually consists of multiple components. It is important to understand how the framework integrates with the other components of your application, else you may end up writing more code than you expect.

–     Do a sample POC:

You may have done a lot of research online to come up with which product gives the best ease of use even though giving high performance. But some of these comparisons maybe outdated. For example, the articles that you are following may not be using the latest versions of the products to test. So it becomes important that you do some of the A/B tests yourself.
You can create a sample application or a subset of your application to do a simple performance testing on shortlisted frameworks and the current framework, and access the product yourself before finalizing it.

A lot of time and effort goes into planning a product migration and actually doing it. Hence it becomes utmost important that we choose the right framework.
If you have any more points to add to the above or any suggestions, please leave a comment.

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