A collection point
...and some of my own.
This is a very clever (and well written) overview of a solution you probably have not given much thought to.
A lot of Cloudflare's technology is well documented. For example, how we handle traffic between the eyeballs (clients) and our servers has been discussed many times on this blog: “A brief primer on anycast (2011)”, "Load Balancing without Load Balancers (2013)", "Path MTU discovery in practice (2015)", "Cloudflare's edge load balancer (2020)", "How we fixed the BSD socket API (2022)". However, we have rarely talked about the second part of our networking setup — how our servers fetch the content from the Internet. In this blog we’re going to cover this gap. We'll discuss how we manage Cloudflare IP addresses used to retrieve the data from the Internet, how our egress network design has evolved and how we optimized it for best use of available IP space. Brace yourself. We have a lot to cover. https://blog.cloudflare.com/cloudflare-servers-dont-own-ips-anymore/ |
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May 2024
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