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TCP/IP Protocol Suite 1 Chapter 27 Upon completion you will be able to: Next Generation: IPv6 and ICMPv6 Understand the shortcomings of IPv4 Know the IPv6.

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Presentation on theme: "TCP/IP Protocol Suite 1 Chapter 27 Upon completion you will be able to: Next Generation: IPv6 and ICMPv6 Understand the shortcomings of IPv4 Know the IPv6."— Presentation transcript:

1 TCP/IP Protocol Suite 1 Chapter 27 Upon completion you will be able to: Next Generation: IPv6 and ICMPv6 Understand the shortcomings of IPv4 Know the IPv6 address format, address types, and abbreviations Be familiar with the IPv6 header format Know the extension header types Know the differences between ICMPv4 and ICMPv6 Know the strategies for transitioning from IPv4 to IPv6 Objectives

2 TCP/IP Protocol Suite IPv6 IPv6 has these advantages over IPv4: 1. larger address space 2. better header format 3. new options 4. allowance for extension 5. support for resource allocation 6. support for more security The topics discussed in this section include: IPv6 Addresses Address Space Assignment Packet Format Comparison between IPv4 and IPv6

3 TCP/IP Protocol Suite 3 Figure 27.1 IPv6 address

4 TCP/IP Protocol Suite 4 Figure 27.2 Abbreviated address

5 TCP/IP Protocol Suite 5 Figure 27.3 Abbreviated address with consecutive zeros

6 TCP/IP Protocol Suite 6 Figure 27.4 CIDR address

7 TCP/IP Protocol Suite 7 Figure 27.5 Address structure

8 TCP/IP Protocol Suite 8 Table 27.1 Type prefixes for IPv6 addresses

9 TCP/IP Protocol Suite 9 Figure 27.6 Provider-based address

10 TCP/IP Protocol Suite 10 Figure 27.7 Address hierarchy

11 TCP/IP Protocol Suite 11 Figure 27.8 Unspecified address

12 TCP/IP Protocol Suite 12 Figure 27.9 Loopback address

13 TCP/IP Protocol Suite 13 Figure Compatible address

14 TCP/IP Protocol Suite 14 Figure Mapped address

15 TCP/IP Protocol Suite 15 Figure Link local address

16 TCP/IP Protocol Suite 16 Figure Site local address

17 TCP/IP Protocol Suite 17 Figure Multicast address

18 TCP/IP Protocol Suite 18 Figure IPv6 datagram

19 TCP/IP Protocol Suite 19 Figure Format of an IPv6 datagram

20 TCP/IP Protocol Suite 20 Table 27.2 Next header codes

21 TCP/IP Protocol Suite 21 Table 27.3 Priorities for congestion-controlled traffic

22 TCP/IP Protocol Suite 22 Table 27.4 Priorities for noncongestion-controlled traffic

23 TCP/IP Protocol Suite 23 Table 27.5 Comparison between IPv4 and IPv6 packet header

24 TCP/IP Protocol Suite 24 Figure Extension header format

25 TCP/IP Protocol Suite 25 Figure Extension header types

26 TCP/IP Protocol Suite 26 Figure Hop-by-hop option header format

27 TCP/IP Protocol Suite 27 Figure The format of options in a hop-by-hop option header

28 TCP/IP Protocol Suite 28 Figure Pad1

29 TCP/IP Protocol Suite 29 Figure PadN

30 TCP/IP Protocol Suite 30 Figure Jumbo payload

31 TCP/IP Protocol Suite 31 Figure Source routing

32 TCP/IP Protocol Suite 32 Figure Source routing example

33 TCP/IP Protocol Suite 33 Figure Fragmentation

34 TCP/IP Protocol Suite 34 Figure Authentication

35 TCP/IP Protocol Suite 35 Figure Calculation of authentication data

36 TCP/IP Protocol Suite 36 Figure Encrypted security payload

37 TCP/IP Protocol Suite 37 Figure Transport mode encryption

38 TCP/IP Protocol Suite 38 Figure Tunnel-mode encryption

39 TCP/IP Protocol Suite 39 Table 27.6 Comparison between IPv4 options and IPv6 extension headers

40 TCP/IP Protocol Suite ICMPv6 ICMPv6, while similar in strategy to ICMPv4, has changes that makes it more suitable for IPv6. ICMPv6 has absorbed some protocols that were independent in version 4. The topics discussed in this section include: Error Reporting Query

41 TCP/IP Protocol Suite 41 Figure Comparison of network layers in version 4 and version 6

42 TCP/IP Protocol Suite 42 Figure Categories of ICMPv6 messages

43 TCP/IP Protocol Suite 43 Figure General format of ICMP messages

44 TCP/IP Protocol Suite 44 Figure Error-reporting messages

45 TCP/IP Protocol Suite 45 Table 27.7 Comparison of error-reporting messages in ICMPv4 and ICMPv6

46 TCP/IP Protocol Suite 46 Figure Destination-unreachable message format

47 TCP/IP Protocol Suite 47 Figure Packet-too-big message format

48 TCP/IP Protocol Suite 48 Figure Time-exceeded message format

49 TCP/IP Protocol Suite 49 Figure Parameter-problem message format

50 TCP/IP Protocol Suite 50 Figure Redirection message format

51 TCP/IP Protocol Suite 51 Figure Query messages

52 TCP/IP Protocol Suite 52 Table 27.8 Comparison of query messages in ICMPv4 and ICMPv6

53 TCP/IP Protocol Suite 53 Figure Echo request and reply messages

54 TCP/IP Protocol Suite 54 Figure Router-solicitation and advertisement message formats

55 TCP/IP Protocol Suite 55 Figure Neighbor-solicitation and advertisement message formats

56 TCP/IP Protocol Suite 56 Figure Group-membership messages

57 TCP/IP Protocol Suite 57 Figure Group-membership message formats

58 TCP/IP Protocol Suite 58 Figure Four situations of group-membership operation

59 TCP/IP Protocol Suite TRANSITION FROM IPv4 TO IPv6 Three strategies have been devised by the IETF to provide for a smooth transition from IPv4 to IPv6. The topics discussed in this section include: Dual Stack Tunneling Header Translation

60 TCP/IP Protocol Suite 60 Figure Three transition strategies

61 TCP/IP Protocol Suite 61 Figure Dual stack

62 TCP/IP Protocol Suite 62 Figure Automatic tunneling

63 TCP/IP Protocol Suite 63 Figure Configured tunneling

64 TCP/IP Protocol Suite 64 Figure Header translation

65 TCP/IP Protocol Suite 65 Table 27.9 Header translation


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