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Understanding IPv6, Second Edition by Joseph Davies

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Appendix D. Testing for Understanding Answers

This appendix contains the answers to the Testing for Understanding sections of Chapter 1 through Chapter 16.

Chapter 1: Introduction to IPv6

Q:

A:

What are the problems with IPv4 on today’s Internet?

  • Internet Protocol version 4 (IPv4) has a rapidly depleting public address space.

  • The configuration of IPv4 could be simpler.

  • Security at the Internet Protocol (IP) level should be required so that applications can count on standardized Internet layer security services.

  • IPv4 has limited support for prioritized delivery.

Q:

A:

How does IPv6 solve these problems?

The 128-bit address length of Internet Protocol version 6 (IPv6) allows for a large public address space.

IPv6 provides automatic configuration, even without ...

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