Dijkstra’s algorithm won’t be replaced in production routers any time soon
Systems Approach Researchers have found a new approach to finding shortest paths, but it's complex
Networks10 Feb 2026 | 41
Bruce is a computer scientist and advisor, having held roles in the IT industry from CTO, Networking to Chief Scientist. He is a co-author of the book series Computer Networks: A Systems Approach with Larry Peterson.
TLS 1.3 includes welcome improvements, but still allows long-lived secrets
Systems Approach Tricky tradeoffs are hard to avoid when designing systems, but the choice not to use LLMs for some tasks is clear
Networks04 Dec 2025 | 1
BGP’s security problems are notorious. Attempts to fix that are a work in progress
Systems Approach Securing internet infrastructure remains a challenging endeavour
Networks27 Aug 2025 | 15
DNS security is important but DNSSEC may be a failed experiment
Systems Approach Nobody thinks of running a website without HTTPs. Safer DNS still seems optional
Networks25 Jul 2025 | 46
To progress as an engineer career-wise, become a great communicator
Systems Approach It'll even help you develop technical skills
CxO18 May 2025 | 35
Contrary to some, traceroute is very real – I should know, I helped make it work
Systems Approach Gather around the fire for another retelling of computer networking history
Networks14 Dec 2024 | 76
Will passkeys ever replace passwords? Can they?
Systems Approach Here's why they really should
Security17 Nov 2024 | 122
Um, what ever did happen with network automation?
Systems Approach Is it lingering somewhere between fusion power and self-driving cars?
Networks17 Jun 2024 | 10
Forget the AI doom and hype, let's make computers useful
Systems Approach Machine learning has its place, just not in ways that suits today's hypesters
Software25 Apr 2024 | 60
How not to write about network security – and I'm speaking from experience
Systems Approach At least it's no longer an afterthought
Networks01 Feb 2024 | 20
NAT, ATM, decentralized search – and other outrageous opinions from the 1990s
Systems Approach The predictions that turned out correct ... and the ones we wished were right
Networks29 Dec 2023 | 58
How TCP's congestion control saved the internet
Systems Approach We guess it's OK it did
Networks24 Sep 2023 | 49
Why securing East-West network traffic is so important – and how it can be done
Systems Approach You don't want to hand your datacenter over to an intruder quite so easily
Networks16 Aug 2023 | 15
It's time to mark six decades of computer networking
Systems Approach As we yearn for a return to a truly decentralized internet
Networks28 Jun 2023 | 91
With Mastodon, decentralization strikes back
Systems Approach ActivityPub isn't just what we've been doing over the Christmas break
Software01 Jan 2023 | 64
If you need a TCP replacement, you won't find a QUIC one
Systems Approach But we can say what this upcoming protocol is good for
Networks07 Oct 2022 | 19
You're not wrong. The scope for quantum computers remains small
Systems Approach Perhaps a QC can help us work out why we'd want a QC
Science21 Jul 2022 | 15
Zero Trust: What does it actually mean – and why would you want it?
Systems Approach 'Narrow and specific access rights after authentication' wasn't catchy enough
Networks30 Jun 2022 | 10
How to explain what an API is – and why they matter
Systems Approach Some of us have used them for decades, some are seeing them for the first time on marketing slides
Devops25 May 2022 | 21
The time we came up with a solution – and found a big customer problem
Systems Approach A fascinating firsthand retelling of the technical history of MPLS
Networks02 Mar 2022 | 6
What is Magma? An open-source project for building mobile networks
Systems Approach Amar and Bruce explain how cloud native principles can be applied to wireless connectivity
Networks28 Dec 2021 | 6
SmartNICs, IPUs, DPUs de-hyped: Why and how cloud giants are offloading work from server CPUs
Systems Approach Where this technology grew from, and what it offers you
Networks24 Nov 2021 | 7
Here's an idea: Verification for computer networks as well as chips and code
Systems Approach What tools are available? What are the benefits? Let's find out
Networks23 Sep 2021 | 8
It's time to decentralize the internet, again: What was distributed is now centralized by Google, Facebook, etc
Systems Approach The idea was to remove central points of failure, not introduce them
Networks11 Aug 2021 | 69
Biting the hand that feeds IT
