Paul, > I'm saying you can still get a "read-only" routing feed (BGP or > whatever), purely for informational purposes, to help decide which of > your ISPs has the best path. > > That's entirely scaleable and well within reason for deployment at > 'enterprise' shim6 sites. Are you saying that you believe it is scalable for every end-system in the Internet (or even every enterprise) to have some kind of quasi-real-time access to the equivalent of the DFZ RIB somewhere so that they (the end-systems/hosts) can make decisions about which locator sets to use? Further, are you saying that you believe it is scalable for every end-system in the Internet to *require* such information to support site multi-homing? And BTW, if so, how do I communicate this information to my transport stack? Dave
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