
9
9
IPv6 Options and Extension
Headers
This chapter discusses the implications of the IPv6 extension headers, how
they work, and how they differ from the IP option headers used with IPv4.
Particular attention will be paid to the proper order and use of header
extensions, as well as discussion of the use of jumbograms, hop-by-hop
options, destination options, routing, and fragmentation headers.
The most important IPv6 options, the IP Security Protocol (IPsec) headers,
have already been introduced in Chapter 6. The ESP and AH headers look
the same, whether used in IPv4 or IPv6, but the way those headers are
attached to the IP header differs significantly. ...