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Unix Network Programming, Volume 1: The Sockets Networking API (3rd Edition) Hardcover – Nov 14 2003

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  • Unix Network Programming, Volume 1: The Sockets Networking API (3rd Edition)
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Product Details

  • Hardcover: 1024 pages
  • Publisher: Addison-Wesley Professional; 3 edition (Nov. 14 2003)
  • Language: English
  • ISBN-10: 0131411551
  • ISBN-13: 978-0131411555
  • Product Dimensions: 18.3 x 3.8 x 23.9 cm
  • Shipping Weight: 1.5 Kg
  • Average Customer Review: 4.8 out of 5 stars 12 customer reviews
  • Amazon Bestsellers Rank: #47,502 in Books (See Top 100 in Books)
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Product Description

From the Inside Flap

PrefaceIntroductionThis book is for people who want to write programs that communicate with each otherusing an application program interface (API) known as sockets. Some readers may bevery familiar with sockets already, as that model has become synonymous with networkprogramming. Others may need an introduction to sockets from the ground up. Thegoal of this book is to offer guidance on network programming for beginners as well asprofessionals, for those developing new network-aware applications as well as thosemaintaining existing code, and for people who simply want to understand how the networkingcomponents of their system function.

All the examples in this text are actual, runnable code tested on Unix systems.However, many non-Unix systems support the sockets API and the examples arelargely operating system-independent, as are the general concepts we present. Virtuallyevery operating system (OS) provides numerous network-aware applications such asWeb browsers, email clients, and file-sharing servers. We discuss the usual partitioningof these applications into client and server and write our own small examples of thesemany times throughout the text.

Presenting this material in a Unix-oriented fashion has the natural side effect of providingbackground on Unix itself, and on TCP/IP as well. Where more extensive backgroundmay be interesting, we refer the reader to other texts. Four texts are so commonlymentioned in this book that we've assigned them the following abbreviations:

  • APUE: Advanced Programming in the UNIX Environment Stevens 1992
  • TCPv1: TCP/IP Illustrated, Volume 1 Stevens 1994
  • TCPv2: TCP/IP Illustrated, Volume 2 Wright and Stevens 1995
  • TCPv3: TCP/IP Illustrated, Volume 3 Stevens 1996
TCPv2 contains a high level of detail very closely related to the material in this book, asit describes and presents the actual 4.4BSD implementation of the network programmingfunctions for the sockets API (socket, bind, connect, and so on). If one understandsthe implementation of a feature, the use of that feature in an application makesmore sense.

Changes from the Second EditionSockets have been around, more or less in their current form, since the 1980s, and it is atribute to their initial design that they have continued to be the network API of choice.Therefore, it may come as a surprise to learn that quite a bit has changed since the secondedition of this book was published in 1998. The changes we've made to the text aresummarized as follows:

  • This new edition contains updated information on IPv6, which was only in draft form at the time of publication of the second edition and has evolved somewhat.
  • The descriptions of functions and the examples have all been updated to reflect the most recent POSIX specification (POSIX 1003.1-2001), also known as the Single Unix Specification Version 3.
  • The coverage of the X/Open Transport Interface (XTI) has been dropped. That API has fallen out of common use and even the most recent POSIX specification does not bother to cover it.
  • The coverage of TCP for transactions (T/TCP) has been dropped.
  • Three chapters have been added to describe a relatively new transport protocol, SCTP. This reliable, message-oriented protocol provides multiple streams between endpoints and transport-level support for multihoming. It was originally designed for transport of telephony signaling across the Internet, but provides some features that many applications could take advantage of.
  • A chapter has been added on key management sockets, which may be used with Internet Protocol Security (IPsec) and other network security services.
  • The machines used, as well as the versions of their variants of Unix, have all been updated, and the examples have been updated to reflect how these machines behave. In many cases, examples were updated because OS vendors fixed bugs or added features, but as one might expect, we've discovered the occasional new bug here and there. The machines used for testing the examples in this book were:
  • Apple Power PC running MacOS/X 10.2.6
  • HP PA-RISC running HP-UX 11i
  • IBM Power PC running AIX 5.1
  • Intel x86 running FreeBSD 4.8
  • Intel x86 running Linux 2.4.7
  • Sun SPARC running FreeBSD 5.1
  • Sun SPARC running Solaris 9
See Figure 1.16 for details on how these machines were used.

Volume 2 of this UNIX Network Programming series, subtitled Interprocess Communications,builds on the material presented here to cover message passing, synchronization,shared memory, and remote procedure calls.

Using This BookThis text can be used as either a tutorial on network programming or as a reference forexperienced programmers. When used as a tutorial or for an introductory class on networkprogramming, the emphasis should be on Part 2, ''Elementary Sockets'' (Chapters3 through 11), followed by whatever additional topics are of interest. Part 2 covers thebasic socket functions for both TCP and UDP, along with SCTP, I/O multiplexing,socket options, and basic name and address conversions. Chapter 1 should be read byall readers, especially Section 1.4, which describes some wrapper functions usedthroughout the text. Chapter 2 and perhaps Appendix A should be referred to as necessary,depending on the reader 's background. Most of the chapters in Part 3, ''AdvancedSockets,'' can be read independently of the others in that part of the book.

To aid in the use of this book as a reference, a thorough index is provided, alongwith summaries on the end papers of where to find detailed descriptions of all the functionsand structures. To help those reading topics in a random order, numerous referencesto related topics are provided throughout the text.The best way to learn network programming is to take these programs,modify them, and enhance them. Actually writing code of this form is the onlyway to reinforce the concepts and techniques. Numerous exercises are also provided atthe end of each chapter, and most answers are provided in Appendix E.

A current errata for the book is also available from the same Web site.

The authors welcome electronic mail from any readers with comments, suggestions,or bug fixes.

Bill Fenner

Woodside, California

Andrew M. Rudoff

Boulder, Colorado

October 2003


From the Back Cover

UNIX Network Programming, Volume 1: The Sockets Networking API, Third Edition

"Everyone will want this book because it provides a great mix of practical experience, historical perspective, and a depth of understanding that only comes from being intimately involved in the field. I've already enjoyed and learned from reading this book, and surely you will too."

--Sam Leffler

The classic guide to UNIX networking APIs... now completely updated!

To build today's highly distributed, networked applications and services, you need deep mastery of sockets and other key networking APIs. One book delivers comprehensive, start-to-finish guidance for building robust, high-performance networked systems in any environment: UNIX Network Programming, Volume 1, Third Edition.

Building on the legendary work of W. Richard Stevens, this edition has been fully updated by two leading network programming experts to address today's most crucial standards, implementations, and techniques. New topics include:

  • POSIX Single UNIX Specification Version 3
  • IPv6 APIs (including updated guidance on IPv6/IPv4 interoperability)
  • The new SCTP transport protocol
  • IPsec-based Key Management Sockets
  • FreeBSD 4.8/5.1, Red Hat Linux 9.x, Solaris 9, AIX 5.x, HP-UX, and Mac OS X implementations
  • New network program debugging techniques
  • Source Specific Multicast API, the key enabler for widespread IP multicast deployment

The authors also update and extend Stevens' definitive coverage of these crucial UNIX networking standards and techniques:

  • TCP and UDP transport
  • Sockets: elementary, advanced, routed, and raw
  • I/O: multiplexing, advanced functions, nonblocking, and signal-driven
  • Daemons and inetd
  • UNIX domain protocols
  • ioctl operations
  • Broadcasting and multicasting
  • Threads
  • Streams
  • Design: TCP iterative, concurrent, preforked, and prethreaded servers

Since 1990, network programmers have turned to one source for the insights and techniques they need: W. Richard Stevens' UNIX Network Programming. Now, there's an edition specifically designed for today's challenges--and tomorrow's.

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Top Customer Reviews

Format: Hardcover
The book is incredible. I am still a proud owner of
the original version (the one with a plain white
cover with blue lettering), but this new version
beats everything.
Chapter 12 (IPv4 and IPv6 interoperability) is extremely
valuable to slightly older developers like me that have
a fair bit of IPv4 socket programming experience but that
have not had time to plunge seriously into IPv6 socket
programming. Appendix A manages to give a fairly thorough
introduction to both IPv4 and IPv6 in less than 20 pages.
This will be very popular in universities.
The book also continues to be a living history of UNIX,
where many given API calls are not only defined and explained,
but documented as to how the API call came into being, how
many different versions of the function existed, why it got
changed and when, along with recommended do's and dont's...
All around, a must buy for developers and even
non-developers who want to understand a bit of the
the true nature of the 'plumbing' that underlies
the Internet.
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Format: Hardcover
I learned both network programming and threaded programming (pthreads) from this book (the 1998 2nd edition), and it was a great teacher. I used it to design and implement a client server protocol for a research project involving 10 machines and about 15 communicating processes. One of the things I really appreciate about the book is the detailed examples.
After the concepts (a server 'listens' for a connection; a client initiates a connection) and basics of packets and sockets, the book presents a simple tcp server and client -- the server simply echos back whatever the client sends. Next, it discusses what can go wrong with the simple version, and presents an improved echo server that behave better when the client crashes (and likewise an improved client).
The book continues to improve on the basic client/server, including address resolution, and servers that handle multiple clients using forks, threads, non-blocking I/O. This is all I needed to learn from the book, and it's all in the first half of the book.
Particularly useful is Chapter 27, Client-Server Design Alternatives. To me it alone was worth the price of the book. Here the book discusses concurrent servers with three basic architectures:
(1) non-blocking I/O, no threads or forks (advantage: full control of resource allocation; disadvantag: complexity);
(2) spawn a thread or fork for each client (simplest implementation; potential problem of too many children);
(3) servers that pre-allocate a pool of threads or forks (a happy medium; faster).
Other chapters discuss broadcasting, multicasting, out of band data, routing sockets, and raw sockets; all topics I hope to learn some day. Again, this is a great book. The 3rd edition brings it up to date for IPV6 and numerous small improvements.
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Format: Hardcover
It would be difficult to put value on a book that has been a classic text and a reference in academia and in the real world in the context of Network Programming for over a decade. Richard Stevens published the ever-popular Unix Network Programming [UNP] back in 1990, followed the second edition in 1998. With a dedication to the memory of R. Stevens, the UNP book found itself two new authors, Bill Fenner and Andrew M. Rudoff, who would write the third edition of this book. The third edition has many updates, a new look and feel and many of new chapters that cover the topics more applicable these days. In my opinion, it is still the most valuable and profound text in the context of Network Programming.
For those of us who have the first two editions of this book, the third edition has the following changes in effect:
· IPv6 updates. In the second version of the book, IPv6 was merely a draft and the sections covering IPv6 has been updated to take these changes into effect.
· POSIX updates. The functions/APIs and examples have been updated to reflect the changes to the latest version of the POSIX specification (1003.1-2001)
· SCTP coverage. 3 new chapters that cover this new reliable, message-based transport protocol have been added.
· Key Management Sockets coverage. Network security and its applicability and use with IPsec.
· Updated Operating Systems and machines that are used to run the examples in the book.
· Some topics such as Transaction TCP and X/Open Transport Interface have been dropped.
Many topics and sections have been updated with the authors' comments.
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Format: Hardcover
While not a C programmer by any means, I decided to take some time and tackle the UNIX Network Programming book. I found that lots of early college classes came back to me as I forged a few pages in. It was clear from the very beginning that this book was going to be a very detailed study on all aspects of IP networking as it relates to UNIX programmers. Even for someone who isn't initiated in the topic or really even interested, it was quite an experience to read through the hundreds of flow charts and detailed examples of C code showing how to perform all kinds of interesting network tasks.
From a simple HTTP GET to detailed network file and connectivity operations, including TCP and UDP packets, ports, sockets and so on, there is a place in the book for each kind of network programming service. There is also a fair amount of text dealing with debugging techniques, allowing even those programmers who are experienced in their craft to find new ways to ferret out the problems in their code. The book also promotes good stylistics in programming, engendering the idea that readable and understandable code is better code than that which simply works.
There are also examples and explanations for IPv6?, for any programmer who is going to be making the leap into next generation networks. There are also instructions on how to deal with wireless networks, security models and other topics for anyone who plans on designing network applications or specialized network configurations.
It's probably not accurate to rate a book on a topic that holds little interest to the reader, but even a modest script programmer can tell when a book hits a subject just right and brings out all the details in a concise, easy-to-understand way. If you're a hard-core network programmer, this book is definitely for you. If not, you may find you learn something anyway.
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