#disciplinedagile is a new buzzword, but do you really understand what it is? Especially compared to the other #agileapproach that is around. It is actually not a new method, but what Disciplined Agile does is help you decide when to use what agile approach.
It is a toolkit, that helps you find your way through the different methodologies.
The toolkit is organized in 4 different layers:
Disciplined Agile Enterprise (DAE)
Disciplined Agile Delivery was originally developed by IBM for their own internal use. From their it kept evolving and the product is now fully owned by PMI. Keep checking on the latest developments.