Why 128 bits ? Originally proposed 64 bits Some thought not enough, such as use 48-bits MAC for host ID leave only 16-bits for the network portion, which is not enough Next step is 128 bits (power of 2)
Why 128 bits ?Originally proposed 64 bitsSome thought not enough, such as use 48-bits MAC for host ID leave only 16-bits for the network portion, which is not enoughNext step is 128 bits (power of 2)