CIDR is a method for allocating IP addresses and routing on the internet. It was introduced in 1993 to replace the previous classful network addressing architecture and slow the growth of routing tables and exhaustion of IPv4 addresses. CIDR allows for finer control of subnet sizes and gave rise to CIDR notation, which indicates the number of bits in the prefix.
Stanford University
Winter 2022–2023
Stanford University's CS 249i is an advanced networking course focusing on modern Internet topology, routing practices, and recent network protocols. The course covers pressing privacy, security, and abuse challenges, with a mix of lectures, guest talks, and practical projects.
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