> > > For core links it should IMHO be mostly possible to keep them > > > IPv4/IPv6 > > > dual-stack. > > > > What's wrong with MPLS in the core and 6PE at the edge? > > > > Right there you have two possible tactics that are worthy of being > > publicly discussed and compared. > > stewart bamford gave a good presentation about this very > thing 4 nanogs ago (or maybe 5)> There are some support > issues to keep in mind of course.
Perhaps it was this one? http://www.nanog.org/mtg-0510/pdf/bamford.pdf Note that Level3 did choose to use 6PE for their deployment rather than dual-stacking. --Michael Dillon