Note de episod
In this episode of PING, APNIC Chief Scientist Geoff Huston discusses the tortuous history of The CIDR report
Classless Inter-Domain Routing or CIDR, is a mechanism defined in the 90s, to replace the former model of fixed sized networks defined in RFC791 called class-A class-B or class-C (there were actually class-D and class-E but for now we can ignore them) -the "Classless" part means no longer obeying the fixed bit-pattern at the "top" of the address (in the top 3 bits) which defined which class you were in, the classes defining how many addresses were in that block: a Class-A was 17…
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