As promised, CloudFlare delivered HTTP/3 this week. If you don’t know what this is and what it could mean for web browsing in the future I highly recommend reading their blog and other sites about it. HTTP/3 brings another fundamental shift to transport protocols by building on the lessons learned from TCP and UDP. I’m particularly intrigued to see HTTP requests begin before the handshake is complete. CloudFlare released it to their customers who signed up to enable it early.

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As I’ve stated in previous posts, I currently use CloudFlare as my CDN. There are several reasons for this that I won’t go into now. One of the “ToDo’s” on my list has been to clear CloudFlare’s cache when I upload new content to my blog. I was finally able to spend some time and get that done. CloudFlare API To start things off I reviewed the doc for the CloudFlare API.

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Performance and security is always a balancing act, but in the case of DNSSec it’s a no-brainer. In short, DNSSec allows a client to trust the domain owner when performing DNS queries. It’s another step to defending your domain (and subsequently your content and network) from the bad guys. An added benefit is there is no noticeable impact to performance! CloudFlare just released a great blog post on their DNSSec offerings and how they are expanding.

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Chris Sereno

For 13 years networking was my profession with a specialized focus on proactive and reactive performance analysis. More recently I have embraced the AWS platform. This blog reflects my experience both past and present.

AWS Solutions Architect at