If you write distributed .NET applications, then you should have got into this confusion of Remoting vs. Web services etc. If you are looking at remoting then a new article from MSDN .NET Remoting Architectural Assessment will help.
This article is intended for anyone who is considering using .NET Remoting as part of a distributed multitier application design. It describes the capabilities of the technology from the perspective of a developer who has both benefited from the convenient RPC mechanism it provides and suffered a little from its shortcomings. It is assumed that the reader is familiar with .NET Remoting, at least in conceptual terms if not practical usage.