On Wed, Oct 23, 2013 at 10:40 PM, JRC NOC <nospam-nanog@jensenresearch.com> wrote:
Is this just an unavoidable issue with scaling large networks?
nope... sounds like (to me at least) the forwarding plane and control plane are non-congruent in your provider's network :( so as you said, if the forwarding-plane is dorked up between you and 'the rest of their netowrk', but the edge device you are connected to thinks next-hops for routes are still valid... oops :(
Is it perhaps a known side effect of MPLS?
nope.
Have we/they lost something important in the changeover to converged mutiprotocol networks? Is there a better way for us edge networks to achieve IP resiliency in the current environment?
sadly I bet not, aside from active probing and disabling paths that are non-functional.