RADIUS isn’t going away, so let’s fix it properly
Guest Post: “RADIUS is the protocol that will never die”. So given that RADIUS is staying, what do we need to do to make it secure for the next 30 years?
Category:
Tech matters
Understanding traceroute by reimplementing it in Rust
What can be learned by reimplementing the common traceroute utility in Rust? The inner workings of traceroute, and the importance of careful interpretation, for a start.
Ephemeral leaks and automated BGP route leak detection
Guest Post: Many BGP route leaks flagged by automated systems are short-lived artifacts of normal convergence. Doug Madory draws on Cloudflare Radar, RouteViews, and Jared Mauch’s leak detector to show how these ‘ephemeral leaks’ occur, why they rarely disrupt traffic, and why they still matter for routing security.
IP geolocation is hard: The draft report from the IAB workshop on IP address geolocation
The IETF Datatracker has published the initial draft of the IAB workshop report on IP address geolocation, summarizing challenges, edge cases, and future directions.
Open Fibre Data Standard and the visibility gap in network resilience
Guest Post: The Open Fibre Data Standard (OFDS) provides a common way to describe fibre infrastructure as structured, machine-readable data, allowing shared understanding without requiring uniform ownership or control.
Authoritative DNS over encrypted transport at OARC 45
The use of encrypted DNS transports for communication between recursive resolvers and authoritative services in the DNS was an important topic of discussion OARC 46 in Edinburgh.
DDoS in Indonesia: What has changed?
Examining recent trends in DDoS activity across the Asia Pacific region and practical ways to reduce both exposure and impact.
Are data centres moving to DC power?
Using Direct Current in data centres can yield sizeable energy savings, but there are tradeoffs.
PeeringDB update: October 2025 to April 2026
Guest Post: From Kubernetes migration to improved ASN comparison and stronger data normalization, PeeringDB has delivered a range of updates over the past six months. This report highlights key operational changes, new search capabilities, and what’s coming next to support users and contributors.
IPv6 in the boardroom
Guest Post: IPv6 can be seen as an infrastructure refresh, rather than an organizational responsibility tied to governance, risk, and compliance. Reframe it in those terms, and it shifts from a network discussion to a board-level obligation.