Design a BGP anycast network for a global DNS and CDN service, covering health-based route withdrawal, ECMP load balancing, failover mechanics, and traffic engineering with BGP communities.
## Problem
Design a BGP anycast network for a global authoritative DNS service that also serves as the foundation for a CDN. The service must respond to DNS queries from 100+ Points of Presence worldwide, handling 5 million queries per second with single-digit millisecond latency from the nearest PoP.
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Design canvas, rubric, hints, and model solutions.
Explain BGP Fundamentals
Mid-Senior · Conceptual