802.11 Wireless Networks: The Definitive Guide - Brossura

Gast, Matthew S.

Brossura

ISBN 10: 0596001835 ISBN 13: 9780596001834

Casa editrice: Oreilly & Associates Inc, 2002

Riassunto

As a network administrator, architect, or security professional, you need to understand the capabilities, limitations, and risks associated with integrating wireless LAN technology into your current infrastructure. 802.11 Wireless Networks: The Definitive Guide provides all the information necessary to analyze and deploy wireless networks with confidence.Over the past five years, the world has become increasingly mobile. Traditional ways of networking have altered to accommodate new lifestyles and ways of working. Wireless networks offer several advantages over fixed (or wired) networks, with mobility, flexibility, ease and speed of deployment, and low-cost at the top of the list. Large productivity gains are possible when developers, students, and professionals are able to access data on the move. Ad-hoc meetings in the lunch room, library, or across the street in the café allow you to develop ideas collaboratively and act on them right away. Wireless networks are typically very flexible, which can translate into rapid deployment. Once the infrastructure is in place, adding new users is just a matter of authorization.After a general introduction to wireless networks, this practical book moves quickly into the gory details of the 802.11 standard. If you ever need to debug a wireless network that isn't working properly, you'd better understand this material. 802.11 MAC (Media Access Control), detailed 802.11 framing, WEP (Wired Equivalent Privacy protocol), 802.1x, management operations, and the PCF (point coordination function) are all covered in detail. Author Matthew Gast also supplies impressive detail on the physical layers.As for getting a wireless network up and running... Gast offers clear, no-nonsense guide for using 802.11 on Windows and Linux, using and selecting access points, making deployment considerations, and seeing to 802.11 network monitoring and performance tuning. In the final section of the book, he summarizes the standardization work pending in the 802.11 working group.If you're looking for one book that provides a full spectrum view of 802.11, from the minute details of the specification, to deployment, monitoring, and troubleshooting, 802.11 Wireless Networks: The Definitive Guide is worth its weight in gold.

Su questo libro

L'autore:

Matthew Gast currently works for an advanced wireless network systems company in the Bay Area. Prior to that, he spent several years as an engineer for a series of network security companies. He is the author of 802.11 Wireless Networks: The Definitive Guide, Network Printing, and T1: A Survival Guide.

Contenuti:

Preface; Prometheus Untethered: The Possibilities of Wireless LANs; Audience; Overture for Book in Black and White, Opus 2; Conventions Used in This Book; How to Contact Us; Acknowledgments; Chapter 1: Introduction to Wireless Networks; 1.1 Why Wireless?; 1.2 A Network by Any Other Name...; Chapter 2: Overview of 802.11 Networks; 2.1 IEEE 802 Network Technology Family Tree; 2.2 802.11 Nomenclature and Design; 2.3 802.11 Network Operations; 2.4 Mobility Support; Chapter 3: The 802.11 MAC; 3.1 Challenges for the MAC; 3.2 MAC Access Modes and Timing; 3.3 Contention-Based Access Using the DCF; 3.4 Fragmentation and Reassembly; 3.5 Frame Format; 3.6 Encapsulation of Higher-Layer Protocols Within 802.11; 3.7 Contention-Based Data Service; Chapter 4: 802.11 Framing in Detail; 4.1 Data Frames; 4.2 Control Frames; 4.3 Management Frames; 4.4 Frame Transmission and Association and Authentication States; Chapter 5: Wired Equivalent Privacy (WEP); 5.1 Cryptographic Background to WEP; 5.2 WEP Cryptographic Operations; 5.3 Problems with WEP; 5.4 Conclusions and Recommendations; Chapter 6: Security, Take 2: 802.1x; 6.1 The Extensible Authentication Protocol; 6.2 802.1x: Network Port Authentication; 6.3 802.1x on Wireless LANs; Chapter 7: Management Operations; 7.1 Management Architecture; 7.2 Scanning; 7.3 Authentication; 7.4 Association; 7.5 Power Conservation; 7.6 Timer Synchronization; Chapter 8: Contention-Free Service with the PCF; 8.1 Contention-Free Access Using the PCF; 8.2 Detailed PCF Framing; 8.3 Power Management and the PCF; Chapter 9: Physical Layer Overview; 9.1 Physical-Layer Architecture; 9.2 The Radio Link; 9.3 RF and 802.11; Chapter 10: The ISM PHYs: FH, DS, and HR/DS; 10.1 802.11 FH PHY; 10.2 802.11 DS PHY; 10.3 802.11b: HR/DSSS PHY; Chapter 11: 802.11a: 5-GHz OFDM PHY; 11.1 Orthogonal Frequency Division Multiplexing (OFDM); 11.2 OFDM as Applied by 802.11a; 11.3 OFDM PLCP; 11.4 OFDM PMD; 11.5 Characteristics of the OFDM PHY; Chapter 12: Using 802.11 on Windows; 12.1 Nokia C110/C111; 12.2 Lucent ORiNOCO; Chapter 13: Using 802.11 on Linux; 13.1 A Few Words on 802.11 Hardware; 13.2 PCMCIA Support on Linux; 13.3 linux-wlan-ng for Intersil-Based Cards; 13.4 Agere (Lucent) Orinoco; Chapter 14: Using 802.11 Access Points; 14.1 General Functions of an Access Point; 14.2 ORiNOCO (Lucent) AP-1000 Access Point; 14.3 Nokia A032 Access Point; Chapter 15: 802.11 Network Deployment; 15.1 The Topology Archetype; 15.2 Project Planning; 15.3 The Site Survey; 15.4 Installation and the Final Rollout; Chapter 16: 802.11 Network Analysis; 16.1 Why Use a Network Analyzer?; 16.2 802.11 Network Analyzers; 16.3 Commercial Network Analyzers; 16.4 Ethereal; 16.5 802.11 Network Analysis Examples; 16.6 AirSnort; Chapter 17: 802.11 Performance Tuning; 17.1 Tuning Radio Management; 17.2 Tuning Power Management; 17.3 Timing Operations; 17.4 Physical Operations; 17.5 Summary of Tunable Parameters; Chapter 18: The Future, at Least for 802.11; 18.1 Current Standards Work; 18.2 The Longer Term; 18.3 The End; 802.11 MIB; The Root of the Matter; Station Management; MAC Management; Physical-Layer Management; 802.11 on the Macintosh; The AirPort Card; The AirPort Base Station; Links to More Information; Glossary; Colophon;

Su questa edizione

• Editore: Oreilly & Associates Inc
• Data di pubblicazione: 2002
• ISBN 10: 0596001835
• ISBN 13: 9780596001834
• Rilegatura: Copertina flessibile
• Numero di pagine: 443