Preserving IP space with scarce addresses

• Ben Grabau
• 2023-12-31
• Networking

We all know IPv4 addresses are becoming more scarce, We’ve been warned about it for decades, and yet still every router I touch is primarily configured for IPv4. When it comes to preserving IP space, we’ve had NAT and RFC1918 for decades, and more recently CGNAT with RFC 6598. I try to be as resourceful…