Chapter 7

IP Addressing and DNS

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What we have in this chapter?

1. Overview

2. IP Addressing

3. IPv4 Protocol

4. Unicast Addresses

5. Wildcard Address

6. Loopback Address

7. Broadcast Address

8. Multicast Addresses

9. IPv6 Protocol (external)

10. Unicast Addresses

11. Wildcard Address

12. Loopback Address

13. Broadcast Address

14. Multicast Addresses

15. DNS

16. Forward Name Lookup

17. C++ Name Resolution Program Example

18. C# Name Resolution Program Example

19. VB .NET Name Resolution Program Example

20. C++ Asynchronous Name Resolution Program Example

21. C# Asynchronous Name Resolution Program Example

22. VB .NET Asynchronous Name Resolution Program Example

23. Reverse Name Lookup

24. C++ IP Resolution Program Example

25. C# IP Resolution Program Example

26. VB .NET IP Resolution Program Example

Summary

This chapter will introduce how to identify computers and devices connected to IP networks. We will describe how to address computers using the IPv4 and the IPv6 addressing schemes. We will also show how to identify computers by name using the DNS service. Understanding IP addressing and DNS is essential to working with sockets in the .NET Framework to communicate over IP networks. The next two chapters introduce socket programming techniques and will use the principles learned in this chapter throughout.

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