Longest prefix matching in networking chips
Guest Post: The basic concepts of LPM and popular approaches for implementing in silicon.
Tag: IPv4
BGP in 2022 – the routing table
Geoff Huston’s annual analysis of BGP routing table growth for 2022.
IP fragmentation and the DNS — mitigation
Guest post: How to lower the risk of fragmentation-based DNS attacks.
Deploying IPv6-mostly access networks
Guest Post: How to provide IPv4 connectivity for legacy devices while allowing modern devices to run IPv6-only.
Predicting IPv4 services across all ports
Guest Post: GPS is an open-source scanning system that predicts IPv4 services across all ports in less than 48 hours.
The 2022 National Internet Segment Reliability Research
Guest Post: Annual report sheds light on critical nature of certain Autonomous Systems and how their outage might affect the connectivity of an economy.
Dealing with the undercurrent of unwanted traffic
Guest Post: How much unwanted traffic is out there, and how much is too much to allow out of a source network?
IP fragmentation and the DNS — Vulnerable DNS servers
Guest Post: One in seven authoritative DNS servers found to be vulnerable to ICMP-based MTU spoofing attacks.
Address space fragmentation
Is the Internet’s address space already fragmented? The answer is not straightforward.
IP fragmentation and the DNS — the state of IP fragmentation
Guest Post: 0.1% of DNS traffic is fragmented, almost all of which comes from DNSSEC signed domains.