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Instructor: Lawrence Landweber,Jun Murai
No. 20 11/08/1999
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Supernetting
Assign block of contiguous network numbers to near-by networks
Called CIDR: Classless Inter-Domain Routing
Represent blocks with a single pair
<first_ network_ address, count>
Restrict block sizes to powers of 2
Use a bit mask (CIDR mask) to identify block size
All routers must understand CIDR addressing