Worth Reading: Update on Satellite Broadband

17 November 2022


It’s been a busy few weeks with announcements from the satellite broadband industry. The industry keeps moving us closer to a time when almost anybody in the world will potentially have access to broadband.

Worth Reading: EU may soon ink deal to fund satellite broadband service

16 November 2022


The EU is said to be nearing a deal on building a satellite internet service to fill in gaps in terrestrial broadband coverage, as well as providing “strategic independence” for the region.

Worth Reading: Continuous in-network round-trip time monitoring

16 November 2022


Round-trip time (RTT) is a key indicator of network performance. Abnormal changes in RTT can be indicative of pathological conditions such as network congestion, declining user Quality of Experience (QoE), or routing attacks.

Worth Reading: ISPs and Customer Data

15 November 2022


The FCC recently made a data request to cellular carriers asking how long the companies retain geolocation data on customers.

Worth Reading: FTX, Adam Neumann, Mark Zuckerberg and the Cult of the Founder

15 November 2022


What do the failures of Sam Bankman-Fried, Mark Zuckerberg, Adam Neumann and Andy Rubin have in common?

Worth Reading: Why protocol specifications don’t always work

14 November 2022


Have you ever wondered why your (or someone else’s) implementation doesn’t work perfectly, even though you have followed (as much as possible) the protocol specification?

Worth Reading: The Continuing WHOIS Disappearing Act

14 November 2022


Instead of limiting the changes to what’s necessary to implement the new technical protocol, the proposals effectively gut WHOIS, making it virtually impossible to find by eliminating web-based WHOIS access, a tool relied on by consumers to do lookups at a registrar or registry’s website.

Worth Reading: QUIC versus TCP

10 November 2022


QUIC embodies a different communications model that makes intrinsically useful to many more forms of application behaviours. Oh, yes. It’s also faster than TCP!

Worth Reading: Economics And The Inevitability Of The DPU

10 November 2022


We have a lot of DPU theory and some hyperscale DPU practice, but as we have complained about in the past, we don’t have a lot of data that shows the cost/benefit analysis of DPUs in action.

Worth Reading: A few of my favourite things about the OpenBSD Packet Filter tools

9 November 2022


The OpenBSD packet filter (PF) was introduced a little more than 20 years ago as part of OpenBSD 3.0. In a series of two posts, I invite you to take a short tour of PF features and tools that I have enjoyed using.