CIDR (1)

• 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

Previous slide

Next slide

Back to first slide

View graphic version