Worth Reading: Encourage disagreement

15 September 2020

Using an inclusive process can lead to better group decisions—ones that empower a group and grant it ownership of the decision. But all open decision making processes should do something else if they’re going to succeed: enable dissent.

Worth Reading: The Internet is for End Users

15 September 2020

The Internet Architecture Board (IAB) has published RFC 8890, The Internet is for End Users, arguing that the Internet Engineering Task Force (IETF) should ground its decisions in what’s good for people who use the Internet and that it should take positive steps to achieve that.

Worth Reading: How to Make a Successful Mistake

14 September 2020

Nobody is perfect – we make mistakes all the time and it’s totally what makes us human. We don’t live in a perfect world, and that imperfection is what makes life so dynamic.

Worth Reading: Redundant Layer-3-Only Data Center Fabrics

14 September 2020

In this document, we’ll explore the problem of using multiple IP addresses from same or different subnets on clients or servers. Using loopback addresses and routing on servers (the usual solution) is outside of the scope of this document, explore Routing on Servers part of Leaf-and-Spine Fabric Architectures webinar for more details.

Worth Reading: The Future of American Industry Depends on Open Source Tech

10 September 2020

When an F-16 fighter takes off, three Kubernetes clusters run to keep the jet’s software running. When you visit a website, any website, chances are it’s run on Node.js. These foundational technologies—Linux, Kubernetes, Node.js—and many others that silently permeate our lives have one thing in common: open source.

Worth Reading: Analysis of CenturyLink/Level(3) Outage

10 September 2020

At 10:03 UTC our monitoring systems started to observe an increased number of errors reaching our customers’ origin servers. These show up as “522 Errors” and indicate that there is an issue connecting from Cloudflare’s network to wherever our customers’ applications are hosted.

Worth Reading: Why Comcast open sourced its DNS management tool

9 September 2020

Prior to 2016, DNS record management was mostly done through an online ticketing system—users would submit tickets for DNS changes that were manually reviewed and implemented by a separate team of DNS technicians. This system frequently required manual intervention for many of the DNS requests, which was time-consuming.

Worth Reading: New CSC Research Finds Significant Lack of Redundancy for Enterprise DNS

9 September 2020

As outlined in CSC’s recent 2020 Domain Security Report: Forbes Global 2000 Companies, cybercriminals are disrupting organizations by attacking the protocol responsible for their online presence — their domain name system (DNS).

Worth Reading: When Distributed Consistency Is Easy

8 September 2020

Distributed systems are tricky. Multiple unreliable machines are running in parallel, sending messages to each other across network links with arbitrary delays. How can we be confident these systems do what we want despite this chaos?

Worth Reading: A brief history of recent advances in IPv6 security

8 September 2020

This is the first post in a series that will try to summarize recent (~10 years) advancements in the area of IPv6 security, not only discussing such advancements but also describing the context in which such work was carried out.