[camuel]

In most cases within distributed computing you need either move the data or move the code. It could also be something in between with the case of "request" and "query", if they simple they are surely data, if they are complex they look more like code.

Ok, now if we agree that something should be moved lets think what makes more sense to move dataset or to move code?

And my take is "it depends". Dataset size plays a role... security plays a role and etc.. think what if dataset for another reasons than size cannot be moved. In all these cases you need to move code.

In the case the code is untrusted (malicious suspect or just being buggy) you will want some kind of sandbox.