Basic HTML version of Foils prepared Dec. 6 98

Foil 54 CIDR (1)

From Introduction to Network Security Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
CIDR stands for Classless Inter-Domain Routing
developed to solve IPv4 address space problems
  • it abandons network classes and enables supernetting
  • it implements block address allocation
  • it allows hierarchical routing
Traditional addressing system (classful addressing) - class A,B,C
Class A
Class B
Class C
1-127 16,777,214
128-191 65,534
192-223 254

© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sun Dec 6 1998