If you mean http://en.wikipedia.org/wiki/CICS, that does look similar. From a quick look at the Wikipedia page, it does not appear to be a very distributed system, though.

You can scale it pretty amazingly, though only on homogeneous IBM mainframes.

sort of

> Calvin is not a database system itself, but rather a transaction scheduling and replication coordination service. We designed the system to integrate with any data storage layer, relational or otherwise.