Yes, I know, 2003 called and asked to get its distribution technology back. Nevertheless, remoting is an extremely useful tool, if you can make several assumptions about the way that you are going to use it.
In my case, I am assuming inter process, local machine configuration, with high expectation of reliability from both ends. Considering that I also need low latency, it seems like an appropriate solution indeed. I was pretty happy about this, until all my integration tests start to break.
After a while, I managed to figure out that the root cause for that is this error: Because of security restrictions, the type XYZ cannot be accessed.
Now, it worked, and it worked for a long time. What the hell is going on?
After thinking about this for a while, I realized that the major thing that changed was that I am now signing my assemblies. And that caused all hell to break lose. I managed to find this post with the solution, but I am still not happy. I really dislike things that can just go and break on me.