Rate Limiting & Quotas

Load balancing at each layer, consistent hashing, rate limiting, and getting session state out of the way so a service can be cloned. Then search, which is the one subsystem that scales differently from everything else.

This module is 05.3 of the 5 in Scaling & Traffic. It runs about 3 hours across 5 lessons, and closes with Throttle — Hold a global limit across twelve regions when the counter itself is the bottleneck.