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IPv6 Programming

( Duration: 3 Days )

The IPv6 Programming training course covers basics of IPv6, IPv6 socket programming, socket API and more. In this course, you will learn to Write and Implement IPv6-capable Applications in a Mixed Network Environment and port existing network applications to support IPv6.

By attending IPv6 Programming workshop, delegates will learn to:

Understand the benefits of making applications IPv6-capable
Perform IPv6 socket programming
Rewriting client and server applications to be IPv6 compatible
Use IPv6 porting tools
Parsing and mapping IPv6 address

This IPv6 Programming class ia aimed at Systems and software engineers, system and software designers, system and software architects, software developers, and application testers.

COURSE AGENDA

1

Overview of IPv6

IPv4 vs. IPv6
IPv6 Addressing
Unicast Addresses
Anycast Addresses
Multicast Addresses
64-bit MAC Address Assignment
Loopback and Unspecified Addresses
IPv6 Header Information
New Header Format
IPv6 Extension Headers
DNS infrastructure
IPv6 Tunneling
IPSec Tunneling

2

Basic Socket Programming

What is a socket?
Types of Internet Sockets
Low level Nonsense and Network Theory
IP Addresses and structs
IP Addresses, versions 4 and 6
Byte Order
structs
IPv4 Socket Programming
IPv6 Socket Programming
Changes socket API for IPv6 Support
Typical IPv6 Code sequence

3

IPv6 Socket Programming

IPv4 Socket API
IPv6 Socket API
Changes to existing API
Porting applications to IPv6
Socket address structures
Socket functions
Address conversion functions
Resolving names
Multicasting
New application design guidelines
Real examples of porting process
Porting Applications to Support IPv6
Tips in IPv6 Programming
IPv6 APIs
Basic Socket Interface Extensions for IPv6
Advanced Sockets API for IPv6
IPv4-Mapped Address API
Possible Abuse Against IPv6 Transition Technologies
An Extension of format for IPv6 Scoped Addresses
ProtocolIndependenceUsing the Sockets API

4

Migration from IPv4 to IPv6

System Calls or Bust
getaddrinfo(): Prepare to launch!
socket(): Get the File Descriptor!
bind(): What port am I on?
connect(): Hey, you!
listen(): Will somebody please call me?
accept(): Thank you for calling port 3490
send() and recv(): Talk to me, baby!
sendto() and recvfrom(): Talk to me, DGRAM-style
close() and shutdown(): Get outta my face!
getpeername(): Who are you?
gethostname(): Who am I? Porting IPv4 applications to IPv6
using the correct structures
INADDR_ANY and INADDR_LOOPBACK
address and protocol family constants
IPv6 functions for older IPv4 ones where necessary
flexible functions that work in both IPv4 and IPv6 environments
Data structures
sockaddr_in and in_addr
in6_addr to store the 128-bit network address
sockaddr_in6
To port this code to IPv6
AF_INET6
PF_INET6

5

Client-Server Background

A Simple Stream Server
A Simple Stream Client
Datagram Sockets
Blocking
select(): Synchronous I/O Multiplexing
Handling Partial send()s
Serialization: How to Pack Data
Son of Data Encapsulation
Broadcast Packets: Hello, World!

6

Cross-Platform IPv6 Socket Programming

Linux and Mac
Windows
Socket
Storing Addresses
Resolving Addresses
Historic Name and Address Lookup
Modern Address Lookup
AI_ADDRCONFIG
AI_CANONNAME
AI_V4MAPPED
AI_ALL
IPv6 format
AI_IDN
AI_CANONIDN
Modern Host Name Lookup
Printing and Scanning Addresses
Interface Checklist
Obsolete Interface
Protocol Independent Interface

7

changed Socket Interface

New protocol family name: PF_INET6
Address data structures
Net address family name: AF_INET6
Net address family name: AF_INET6
sockaddr_in6 structure
Name-to-address translation functions
inet_pton, inet_ntop
Address conversion functions
getnameinfo
getaddrinfo
Sockets
Socket Programming
Port Numbers
Sockets
Socket=IP address + port number
Socket Basics
How do sockets work?
Socket Functions
Typical flow of events for a connection-oriented socket
Socket APIs
Socket characteristics
Sockets characteristics

8

IPv6 Programming APIs and examples

Encarta Labs Advantage

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All our trainings are conducted in workshop mode with more focus on hands-on sessions

View our other course offerings by visiting https://www.encartalabs.com/course-catalogue-all.php

Contact us for delivering this course as a public/open-house workshop/online training for a group of 10+ candidates.

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