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Hot Potato vs Cold Potato Routing
Hot Potato and Cold Potato are two terms which describes how internet traffic is routed between different autonomous system (AS)....
UDP hole punching, ICE, STUN & TURN
Today I want to take a closer look about what UDP hole punching is and how it works. Commonly it...
Prevent Branch Office Domain Controllers from registering generic DNS Records and Netmask Ordering
In networks with several sites, like branch office sites and a headquartes site, by default domain controllers in each site...
Prefer IPv4 over IPv6 in Windows Networks
By default Windows will prefer IPv6 over IPv4. Below you will see how you can change this behavior to prefer...
Numbering the IPv4 and IPv6 WAN Link between ISP and Customer
In this post I want to show the different alternatives Internet Service Provider (ISP) can use to numbering their IPv4 and...
Longest Prefix Match aka Maximum prefix length match
In case a router (or host) wants to forward an IP packet to its destination IP address and this address...