Anycast Performance in Context
A new paper published on arXiv analyzes the performance of IP anycast, a technology that allows a single IP address to be advertised from multiple physical locations. The research contrasts anycast latency in root DNS systems with its use in Content Delivery Networks (CDNs). It highlights that while root DNS anycast can tolerate significant path inflation due to caching, CDN anycast requires meticulous engineering to minimize latency. AI