Prepare Yourself for ASP.NET 5 - Part 5 (Framework Versions)

Today when you decide to develop a web application you don't need to make any decision about the underlying .NET framework. This is because there is just one .NET framework available today. Going forward, you need to give some thought about the kind of .NET framework you wish to target. Two flavors of .NET framework will be available - Full and Core. For the sake of this article, I am going to call the former as .NET Full and the later as .NET Core.

http://www.binaryintellect.net/articles/b15aaf74-ccee-44f5-8fea-638d5cf2b4aa.aspx