Chapter 1. Introduction to IPv6
At the end of this chapter, you should be able to do the following:
Describe the shortcomings of Internet Protocol version 4 (IPv4) and the modern-day Internet, and describe how Internet Protocol version 6 (IPv6) addresses these shortcomings.
Describe how the address depletion problem of IPv4 leads to the use of Network Address Translators (NATs) and problems with end-to-end communication.
List and describe the features of IPv6.
List and describe the key differences between IPv4 and IPv6.
State the reasons for and business value of deploying IPv6.
Limitations of IPv4
The current version of IP (known as version 4 or IPv4) has not changed substantially since Request for Comments (RFC) 791, which was published in 1981. IPv4 ...
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