Vincent Bernat: Scaling Akvorado BMP RIB with sharding

To associate routing information—like AS paths or BGP communities—to flows, Akvorado can import routes through the BGP Monitoring Protocol (BMP). As the Internet routing table contains more than 1 million routes, Akvorado needs to scale to tens of millions of routes.1 This has been a long-standing challenge,2 but I expect this issue is now fixed by using RIB sharding, a method that splits the routing database into several parts to enable concurrent updates. Previous implementation Storing routes in a map…

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