> I think BGP is better for that job, ultimately because it was > specifically designed for that job, but also because it's now > available > in commodity routers for commodity prices e.g. Cisco 800 series.
+1 - for me, if I need a dynamic routing protocol between trust / administrative domains, it's BGP unless there's a good reason not to. I find it more straightforward to work with (albeit slightly more up-front to configure it and get it right) than anything else - the information available is a very clear "who am I talking to?" / "what routes do I send them?" / "what routes do they send me?". Plus I can work through the route-selection process by hand from the information displayed, and have it make sense. Regards, Tim.