scalable configuration management (2) partially responsible for current situation trusting vendor defaults too much putting up with vendor kitsch no trusted routing registry egregious lack of instrumentation moderate lack of clue business constraints retrohacked into a system not designed for it garbage can theory! inherent interactive complexity of global distributed system interdomain (BGP) routing system configuration gets its own slides later what can be done researchers: "higher level policy languages" abstraction abstraction abstraction sysadmins: help define scope of your configuration needs am not claiming we can definitely get there with incremental steps only that we don't have an alternative at the moment