This will be rather short post, but I hope it will be helpful. Basically, goal of this post is to explain importance of sequential changes to anything. And it is better to explain with example. Imagine you switched internet provider, bought new router and new Smart TV and you did it in one day. Now, let us say you have problems during streaming on your new TV.  Where is problem?

It could be new internet provider. For example, new provider can handle IPv6 differently. It could be issue with new router. It could be buggy. It could be your new TV or application you are using for streaming. It could be incompatibility of your new router and internet provider. It