Cloud computing vs Grid computing To understand the basic and complex differences between cloud and grid computing, we really need to explain both technologies. Here’s how they are defined.

A cloud computing environment may actually be hosted on either a grid or utility computing environment, but that doesn’t matter to a service user.” 2. “Cloud computing = Grid computing.

The Fog. The fog probably has the most “fog” around its meaning. It’s a solution that lies somewhere in between the edge and the cloud but is more closely aligned with edge computing.

As with nearly every IT trend, including service-oriented architectures and Web services, just because we're all talking about cloud computing doesn't mean we're talking about the same thing.