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Cisco CCENT ICND1 100-101 Flash Cards and Exam Practice Pack
book

Cisco CCENT ICND1 100-101 Flash Cards and Exam Practice Pack

by Eric Rivard
July 2013
Intermediate to advanced content levelIntermediate to advanced
496 pages
6h 10m
English
Cisco Press
Content preview from Cisco CCENT ICND1 100-101 Flash Cards and Exam Practice Pack

Section 12. Introducing IPv6

When the Internet was first created, no one envisioned that it would grow to its current size. At the time, a 32-bit address, yielding approximately 4.3 billion Internet addresses, seemed sufficient.

However, with the explosion of the Internet, experts in the 1990s predicted that all IP addresses would be exhausted in a few years. As a result of this prediction, IP version 6 (IPv6) was created to remedy the limited IP addresses.

Network Address Translation (NAT) and CIDR were used to slow the depletion of IPv4 addresses. However, although NAT and CIDR have successfully slowed the depletion of IPv4 addresses, the migration to IPv6 is still necessary. Newer technologies such as mobile IP and end-to-end security are ...

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ISBN: 9780133410686Purchase book