Essentially, you can do whatever you like with these systems, and you do not have to take care about the scaling because if one server is overloaded, it just forwards the message to the next server, even if it were designated to a specific server. It weeds out the messages according to the load. If you want to scale it, you just add new servers.
I rate the tool's stability a nine out of ten.
The most valuable feature of BizTalk Server is that it will turn XML into flexible transactions.
BIzTalk's integration with Visual Studio is the most valuable feature of this product.
Essentially, you can do whatever you like with these systems, and you do not have to take care about the scaling because if one server is overloaded, it just forwards the message to the next server, even if it were designated to a specific server. It weeds out the messages according to the load. If you want to scale it, you just add new servers.