DNS OARC 26: When too much DNS is barely enough
DNS over TCP, cryptography, QUIC, ANAME and HyperLogLog – Geoff discusses some of the highlights of DNS OARC 26 held in Madrid.
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BBR, the new kid on the TCP block
A look at Google’s delay-controlled TCP flow control algorithm, called BBR.
Reliance Jio boosts India past 20% IPv6 capability
Guest Post: Reliance Jio shares its experience deploying IPv6 and, in the process, becoming the largest IPv6 network operator in India.
The trouble with NAT: Part 3
Guest Post: In this final series post, I address some FAQs about IPv6 without NAT.
The trouble with NAT: Part 2
Guest Post: The second part in my series on NATs, based on my 2016 AusNOG presentation.
The trouble with NAT: Part 1
Guest post: The first post in a series of three, based on my AusNOG 2016 conference presentation. This post discusses Network Critical Success Factors (NCSFs).
Challenges of HTTPS
Guest Post: In the third and final part of this series I will share with you some of the challenges of HTTPS.
DNSSEC and ECDSA
Two years ago I reported on the use of the elliptical curve cryptographic algorithm in generating digital signatures for DNSSEC. Let’s see what’s changed over the past 24 months.
Cyber threat intelligence sharing – understanding the technology
Guest Post: In part two of this series, learn about what factors influenced CERT Australia’s cyber threat intelligence sharing decisions and choice of automated tools, and how they are working to make data from this technology available to their industry partners.
Fragmenting IPv6
Geoff returns to the subject of IP packet fragmentation, this time looking at how IPv6 has changed the behaviour of packet fragmentation and discussing the concern of whether IPv6 can handle big packets.