Thursday, May 27, 2021

Local TCP Anycast Is Really Hard

Pete Lumbis and Network Ninja mentioned an interesting Unequal-Cost Multipathing (UCMP) data center use case in their comments to my UCMP-related blog posts: anycast servers.

Here’s a typical scenario they mentioned: a bunch of servers, randomly connected to multiple leaf switches, is offering a service on the same IP address (that’s where anycast comes from).

Typical Data Center Anycast Deployment

Typical Data Center Anycast Deployment



source https://blog.ipspace.net/2021/05/tcp-anycast-hard.html?utm_source=atom_feed

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