1
HTTP/3 adoption is growing rapidly
Guest Post: What problems HTTP/3 solves, how it performs, why it’s seen such swift adoption, and what limitations it is still working to overcome.
APNIC Blog
The APNIC blog is for members of the Internet community to explore, discuss & share topics relevant to network engineering and the Internet.
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Visit blog.apnic.net → RSS feedOn Hacker News Sep 2016 – Oct 2026
Networking & Internet 31Infrastructure & DevOps 11Systems & Performance 8Security & Privacy 8History & Retro Computing 3Web & Frontend 2
2
Internet protocols are changing
Guest Post: Learn about the significant recent changes being made to the core Internet protocols.
3
Chromium's Impact on Root DNS Traffic
Guest Post: With 70% of market share, Chromium has had a significant impact on the total root DNS traffic.
4
Google Hits 50% IPv6
IPv6 has reached a major milestone, with around half of Google’s users now accessing its services over IPv6.
5
BBR, the new kid on the TCP block
A look at Google's delay-controlled TCP flow control algorithm, called BBR.
6
Icanhazip: A simple IP address tool survived a deluge of users (2021)
Major Hayden made a simple and free tool to check the public-facing IP address of infrastructure. Its popularity nearly killed it.
7
LibreRouter: Powering community networks with free and open hardware
The LibreRouter project has developed an open source, open hardware router, customized to the needs of community-run networks.
8
The future of undersea Internet cables: Are big tech companies forming a cartel?
Guest Post: Content providers are increasingly investing in new submarine cables. Are they forming a cartel?
9
Just one QUIC bit
A proposal to add a "spin bit" to the QUIC protocol sparked much debate at IETF 101.
10
Why is the Internet so Slow?
Guest Post: What's the source of latency on the Internet, and how can it be reduced?
11
OpenBSD: How it all started
OpenBSD remains a crucial yet largely unacknowledged player in the open-source field.
12
A brief history of router architecture
Here's what we've learnt about networks and the routers that interconnect them in the last 50 years.
13
Off-path TCP hijacking in NAT-enabled Wi-Fi networks
Guest Post: New off-path TCP hijacking attack in Wi-Fi networks that exploits vulnerabilities in the NAT mapping strategies of routers discovered.
14
Enabling IPv6 support for IPv4-only apps on Linux
Guest Post: How to easily enable IPv6 support for apps without it.
15
Happy 50th Birthday, Ethernet
Why has Ethernet endured as a ubiquitous data framing protocol over all these years?
16
A transport protocol's view of Starlink
How TCP interacts with the characteristics of the Starlink service.
17
Submarine cable resilience
The estimated 1.5M kilometres of subsea communications cables underpins our global telecommunication services. This critical infrastructure faces serious challenges in the coming years.
18
TCP Fast Open? Not so fast
As TCP becomes more important to DNS, overhead is becoming an issue.
19
All quiet in the IPv4 Internet?
Guest Post: A new study measures 1.2 billion unique IPv4 addresses to provide a glimpse of what IPv4 usage activity looks like.
20
Stop using low DNS TTLs (2019)
Guest Post: Why does half the Internet use a TTL of 1 minute or less?
21
When volcanoes go bang, submarine cables do what?
Guest Post: Insights and lessons from Tonga in the last five weeks.
22
21 years and counting of 'eight fallacies of distributed computing' (2025)
Eight long held and common beliefs about the network have been shown, time after time, to be false. What are they, and what do they mean?
23
Public DNS in Taiwan the Latest Victim of BGP Hijack
Guest Post: Traffic going through a public DNS in Taiwan was rerouted to an entity in Brazil for about three and a half minutes.
24
Large European routing leak sends traffic through China Telecom
Guest Post: A Swiss data centre leaked over 70,000 routes to China Telecom, some for over two hours.
25
End-to-end congestion control cannot avoid latency spikes (2022)
What are the fundamental limits of end-to-end congestion control in 5G networks?
26
What every IT person needs to know about OpenBSD Part 3: That packet filter
Useful and fun features related to the OpenBSD packet filter.
27
Don't get caught up in blockchain hype
Internet Hall of Famer says it pays to consider non-blockchain solutions.
28
Is regulated BGP security coming?
What impact would regulating BGP routing security have on the global Internet?
29
Do we really need a new BGP?
Guest post: BGP gets a bad rap from some but maybe the problem is with people not the protocol.
30
IP Addressing in 2021
What can IPv4 and IPv6 addressing in 2021 tell us about the changing nature of the network?