CLASSLESS INTER-DOMAIN ROUTING


Meaning of CLASSLESS INTER-DOMAIN ROUTING in English

< networking > (CIDR) /sid*r/ A scheme which allocates blocks of Internet addresses in a way that allows summarisation into a smaller number of routing table entries.

A CIDR block is a block of Internet addresses assigned to an Internet Service Provider (ISP) by the Internic .

CIDR was introduced to enable the use of more sophisticated routing protocols such as OSPF .

See RFC 1467 , RFC 1518 , RFC 1519 and RFC 1520 .

[Is this true? Relation to classes?]

(1997-03-06)

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