How to start separate processes

How to start separate processes integrated in one wpf application in c# and how to communicate between them?

W开发者_运维问答hat I want is somthing like Internet Explorer.

In this case I want to Integerate several applications into one individual application with separate processes

The simplest way is to use the System.Diagnostics.Process class and named pipes. But, generally, this would hurt the maintenability (see other responses). For processes running on different machines, you better have a look at WCF.