CIDR
Classless addressing writes a network as address/prefix-length (10.0.0.0/24 = 256 addresses); halving a block adds one prefix bit. CIDR lets routers aggregate many networks under one short prefix instead of the old class A/B/C boundaries.
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Classless addressing writes a network as address/prefix-length (10.0.0.0/24 = 256 addresses); halving a block adds one prefix bit. CIDR lets routers aggregate many networks under one short prefix instead of the old class A/B/C boundaries.
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