BGP Issues BGP is a reachability protocol ISP issues Some policy supported, but controls are very course. ISP issues Aggregation Aggregation is good for BGP table size in the core, however aggregation hides much topology information Peering More customers = More traffic = More Peers = Shorter AS path
Infrastructure and Aggregation Distinct RTT banding indicates two distinct locations…could there be a better path?
Infrastructure Stability Plots represent minimum RTT values over time. Step functions indicate changes to infrastructure…sometimes logical…sometimes physical…
No Single Provider Can Deliver Consistent Performance Best Providers Worst Providers
Path Diversity Helps Enterprises can leverage path diversity by multihoming with Route Control.
Multihoming Statistics