Unix Network Programing

Topics: IP address, Transmission Control Protocol, Internet Protocol Pages: 50 (5507 words) Published: August 27, 2013
UNIX
UNIX Network Programming with TCP/IP Short Course Notes Alan Dix © 1996

Network Programming with TCP/IP

UNIX

Network Programming with TCP/IP

UNIX

Network Programming with TCP/IP

UNIX
UNIX

Network Programming with TCP/IP

Network Programming with TCP/IP

http://www.hiraeth.com/alan/tutorials

UNIX

Network Programming with TCP/IP

Course Outline

Alan Dix
http://www.hcibook.com/alan

Session 1 Session 2 Session 3

Internet Basics First Code Standard Applications

Session 4 Session 5 Session 6 Session 7

Building Clients Servers I Servers II Security

Three interrelated aspects: r TCP/IP protocol suite r standard Internet applications r coding using UNIX sockets API

TCP/IP UNIX

Short Course Notes

Alan Dix © 1996

1

UNIX
Books:
1. 2.

Network Programming with TCP/IP

Reading

W. Richard Stevens, "TCP/IP Illustrated. Vol. 1: The protocols", Addison Wesley, 1994, (ISBN 0-201-63346-9). Explains the protocols using network monitoring tools without programming. Douglas E. Comer and David L. Stevens, "Internetworking with TCP/IP. Vol.3: Client-server programming and applications BSD socket version", Prentice Hall, 1993, (ISBN 0-13-020272-X). Good book about principles of client/server design. Assumes you have some knowledge or at least some other reference for actual programming.

3.

Michael Santifaller , translated by Stephen S. Wilson, "TCP/IP and ONC/NFS internetworking in a UNIX environment", 2nd Edition, Addison Wesley, 1994, (ISBN 0-201-42275-1). Covers more ground less deeply. Translation from German seems good.

4.

W. Richard Stevens, "UNIX Network Programming", Prentice Hall, 1990, (ISBN 0-13-949876-1). A programming book. I'm waiting for a copy, but Stevens is a good writer and this book is recommended by other authors.

See also:
• • your local manual pages (man 2) RFCs

Requests for comments (RFCs)
• • these are the definition of the Internet protocols obtain via anonymous ftp from sun.doc.ic.ac.uk (193.63.255.1) login as anonymous give your email address as password cd to rfc

TCP/IP UNIX

Short Course Notes

Alan Dix © 1996

2

UNIX
Session 1
Internet Basics

Network Programming with TCP/IP

UNIX

Network Programming with TCP/IP

UNIX

Network Programming with TCP/IP

UNIX
UNIX

Network Programming with TCP/IP

Network Programming with TCP/IP

UNIX
• origins

Network Programming with TCP/IP

Session 1
Alan Dix
http://www.hcibook.com/alan

• internets and the Internet • protocol layers • addressing • common applications  using them • TCP and UDP • port numbers • APIs  information calls

TCP/IP UNIX

Short Course Notes

Alan Dix © 1996

1

Origins
Development of Internet & TCP/IP
1968 1971 First proposal for ARPANET – military & gov’t research Contracted to Bolt, Beranek & Newman ARPANET enters regular use

1973/4 redesign of lower level protocols leads to TCP/IP 1983 1980s 1990s Berkeley TCP/IP implementation for 4.2BSD public domain code rapid growth of NSFNET – broad academic use WWW and public access to the Internet

The Internet Now
• • • • •
growing commercialisation of the Internet 50,000 networks 6 million hosts 30 million users WWW dominating Internet growth

TCP/IP UNIX

Short Course Notes

Alan Dix © 1996

2

internets and the Internet
an internet is
a collection of • interconnected networks • (possibly different) e.g. X25, AppleTalk

the Internet is
a particular internet which • uses the TCP/IP protocols • is global • is hardware and network independent • is non-proprietary in addition • supports commonly used applications • publicly available standards (RFCs)

the Internet is not (just) the web !

TCP/IP UNIX

Short Course Notes

Alan Dix © 1996

3

Characteristics of the Internet
To communicate you need: • continuous connection • common language • means of addressing

TCP/IP UNIX

Short Course Notes

Alan Dix © 1996

4...
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