The IPv4 address swamp: The new normal
Guest Post: Has IPv4 allocation improved in the 21st century, or are prefixes becoming smaller and more fragmented? What are the potential impacts on Internet security?
Tag: IPv4
Hot takes on 13 talks from NANOG 95
Geoff Huston attended NANOG 95, and shares his take on the presentations that caught his attention.
Where the evolution of the Internet may be heading
The Internet is not a centrally planned global enterprise. We’ve transitioned from an era of network scarcity to an era of abundance. Where is this all heading?
Is IP fragmentation still considered vulnerable?
Guest Post: IPID has a 25+ year history of abuse as a network side channel. This post categorizes IPID exploits, and makes a surprising recommendation about mitigating them.
Gotta catch ‘em all! IPv4 Turf War
IPv4 Turf War is a simple game about claiming blocks of IP addresses, with potential measurement applications.
Ossification and the Internet
Why IP, transport, routing, and DNS protocols can harden and what that means for the future of the public network.
IP addresses through 2024
What IPv4 and IPv6 addressing in 2024 tells us about the changing nature of the network.
BGP updates in 2024
Did the stability of the routing system change in 2024?
BGP in 2024
Geoff Huston’s analysis of BGP routing table growth for 2024 and some projections.
Visualizing the scale differences of IPv4 and IPv6
The difference in scale between IPv4 and IPv6 is so vast that it’s difficult to represent clearly. Here’s one way to visualize it.