CS 779/879 - Design of Network Protocols

Lectures - Spring 2009

1. Introduction and simple examples

Ø Stevens's Texts (Stevens passed away Sept 1, 1999)

Ø Comers's Texts

Ø Introduction

Ø Discovering Network Topology

Ø Simple TCP client/server examples

2. Multicasting

Ø Receiving Multicast Messages

Ø Sending Multicast Message

Ø Multicast Control

Ø Multicast Examples

3. UDP/TCP/IP protocol architecture

Ø Overall Picture of the TCP/UDP/IP protocols

Ø Protocol Headers

Ø Overview of TCP

Ø State Transition Diagram

Ø Connection end-points

Ø Buffering

Ø Overview of UPD

Ø Standard Services and Protocol Usage

4. Useful Network Tools

Ø DNS lookup utilities

Ø Stevens’s sock

Ø Ttcp

Ø Lsof

Ø Tcpdump

Ø Arp

Ø Ping

5. TCP sockets

Ø Socket Address Structure

Ø Utility Functions:

ü Byte Order

ü Byte Manipulation

ü Conversion

ü Read/Write

Ø Socket Functions:

ü Connect

ü Bind

ü Listen

ü Accept

ü Close

Ø Value_Result Arguments

6. Multiplexing using select & poll

Ø Select

Ø Concurrent Client

Ø Concurrent TCP Server Using Select

Ø Poll

Ø Concurrent TCP Server Using Poll

7. UDP sockets

Ø Basic UDP Client and Server

Ø Displaying Destination Address

Ø Connected UDP Clients

Ø Reliability of  UDP

Ø Big Packets

Ø Select UDP and TCP

8. SCTP (Stream Control Transmission Protocol)

Ø Overview

Ø State Transitions

Ø Dr. Wahab Examples

ü tcpServerSctp &

ü tcpClientSctp

ü udpServerSctp &

ü udpClientSctp

Ø Basic Examples

ü sctp_serverQ &

ü sctp_clientQ

ü sctp_serverS &

ü sctp_clientS

Ø Advanced Examples

ü sctp_server &

ü sctp_client

Ø Advanced Features

ü Autoclosing

ü Peeloff,

ü sctp_serverQpeel

ü Streems

9. Non-blocking I/O

Ø Non-blocking Read/Write

Ø Non-blocking Connect

Ø Non-blocking Accept

10. Signals and out-of-band data

Ø Signal Handling

Ø Handling SIG_CHLD

Ø Handling SIG_ALRM

Ø Termination of Server Process

Ø Out-of-Band Data Using SIG_URG

Ø Heartbeat

11. IPV6

Ø Overview & Concepts

Ø TCP Unicast Examples

Ø UDP Unicast Examples

Ø Sctp Examples

Ø Multicast Example

12. Name and Address Conversions

Ø Domain Name Servers

Ø Basic Functions

Ø Support for both IPv4 and IPv6

Ø Example of Protocol-Independent Client

13. Peeking, Unix Sockets & Threads

Ø Peeking at received data

Ø Unix domain sockets

ü Stream

ü Datagram

Ø Threads

ü Functions

ü Simple Example

ü Synchronization

14. Server Design Alternatives

Ø The Client

Ø Iterative Server

Ø Forking on Demand

Ø Threading on Demand