Auto-Reconfiguration (Renumbering) New address prefixes can be introduced, and old ones withdrawn –we assume some overlap period between old and new, i.e., no flash cut-over –hosts learn prefix lifetimes and preferability from router advertisements –old TCP connections can survive until end of overlap; new TCP connections can survive beyond overlap Router renumbering protocol, to allow domain- interior routers to learn of prefix introduction / withdrawal New DNS structure to facilitate prefix changes
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