Why you should skip arp for specific network routes
If you've ever had to troubleshoot a sluggish point-to-point connection, you've probably wondered if you could just skip arp and move on with your day. Networking is full of these little "handshakes" that we take for granted, but sometimes, those handshakes are exactly what's slowing things down or causing unnecessary overhead. Address Resolution Protocol (ARP) is the glue that maps Layer 2 MAC addresses to Layer 3 IP addresses, but it's not always a requirement. ...