Large-Scale Scrum

In the distant past i used to do knowledge/expert systems development, and related AI programming. In AI, which matured the field of object-oriented concepts, when one wanted to refer to a class, it might be called Tree. When one wanted to refer to instances of a class, they might be called Tree-1, Tree-7, and so forth. Similarly, Scrum-7 is not a method or a class of method, it is one of the infinite number of instances of the Scrum method--a collection of tips for scaling Scrum to large, multisite, or offshore development. One can't adopt Scrum-7, as each group must take the basic rules of Scrum, and then use inspect and adapt cycles to creatively and thoughtfully create a new process experiment every 4 weeks. i.e., empirical versus defined process.