I heard all those names. In IOS (upper case’i’) the v4 s/w forwarding plane talked about tries. The v6 code was sprinkled with radix. Variable tree stride for d

I heard all those names. In IOS (upper case’i’) the v4 s/w forwarding plane talked about tries. The v6 code was sprinkled with radix. Variable tree stride for different address mapping characteristics was my favourite. I was, and still am, lucky enough to work with the guy who wrote much of that code.