If you look at the original RPC work by Bruce Nelson [1], it's pretty clear that there's no strict definition of it. I think most would argue that SOAP would be

If you look at the original RPC work by Bruce Nelson [1], it's pretty clear that there's no strict definition of it. I think most would argue that SOAP would be included, which is still pretty common. 1: http://nd.edu/~dthain/courses/cse598z/fall2004/papers/birrell-rpc.pdf http://nd.edu/~dthain/courses/cse598z/fall2004/papers/birrel...