> > NO, Tony. We need for the network to do routing, not the hosts. > > > > Why is this so hard for you to understand? > > It is not hard to understand, because I agree there is no need for the > host or app to do routing. At the same time, the host or app doesn't > need to be passing around topology information. you're simply wrong about that, at least in the current architecture. > If any process chooses > to pass around values that are explicitly expected to be directly used > as topology locators, that process needs to understand the topology it > is describing. This isn't rocket science ... that "process" is called IP routing, and expecting routers to understand IP addresses and their relationship to topology is not a new idea. Keith