On Tue, Nov 8, 2011 at 5:26 PM, Dobbins, Roland <rdobb...@arbor.net> wrote: > > On Nov 9, 2011, at 4:22 AM, Christopher Morrow wrote: > >> the routers have (in some form of the plan) a cache > > A cache that's persistent across reboots? >
not across reboots, but in this case routers didn't necessarily reboot (parts of them did though). in the case of a reboot, sure, pull from your local cache, no 'walk up the chian' is required here.
