Appendix A IPv4 to IPv6 Quick Reference Guide

Table of Contents

Do Existing IPv4-to-IPv4 Applications Require Changes?

Summary: Source Code Symbols and Function Changes

Changes to Symbols, Data Structures, and Function Calls
Watch for hard-coded data structure sizes
Multicast and IPv4 Options
Loopback Address
Wildcard Address
Multicast Defaults
IPv6 Multicast Options
IP Packet Options
Types of Service Options
Multicast Group, IP Address, and IPv6 Interface Index

This guide is for Socket Application programmers who primarily want to know which source code symbols and functions require alteration to support IPv6.

Appendix A IPv4 to IPv6 Quick Reference Guide

Technical documentation

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