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A basic networking knowledge primer for users in the AI era, explaining core concepts such as IP, IPv4, IPv6, and NAT in plain language, and using real-world scenarios like proxies, VPNs, and local models to illustrate why understanding underlying network principles matters.
This article presents an IETF draft proposal to eliminate ARP and IPv4 subnets on IPv6-only networks, allowing IPv4 to run as a pure /32 service over IPv6 infrastructure without translation or tunnelling, addressing operational pain points like ARP storms and IPv4 address scarcity.
A detailed technical guide on self-hosting email with a dedicated IPv4 block, covering reputation, SPF, DKIM, DMARC, and server setup using tools like Dovecot and Roundcube.
A network engineer provides a free service offering full BGP feeds for IPv4 and IPv6, intended for lab use, with detailed configuration examples for Cisco IOS and IOS XR.