802.11 Wireless Networks: The Definitive Guide: The Definitive GuideAs we all know by now, wireless networks offer many advantages over fixed (or wired) networks. Foremost on that list is mobility, since going wireless frees you from the tether of an Ethernet cable at a desk. But that's just the tip of the cable-free iceberg. Wireless networks are also more flexible, faster and easier for you to use, and more affordable to deploy and maintain.The de facto standard for wireless networking is the 802.11 protocol, which includes Wi-Fi (the wireless standard known as 802.11b) and its faster cousin, 802.11g. With easy-to-install 802.11 network hardware available everywhere you turn, the choice seems simple, and many people dive into wireless computing with less thought and planning than they'd give to a wired network. But it's wise to be familiar with both the capabilities and risks associated with the 802.11 protocols. And 802.11 Wireless Networks: The Definitive Guide, 2nd Edition is the perfect place to start.This updated edition covers everything you'll ever need to know about wireless technology. Designed with the system administrator or serious home user in mind, it's a no-nonsense guide for setting up 802.11 on Windows and Linux. Among the wide range of topics covered are discussions on:
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From inside the book
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... Beacon 1001 Announcementtraffic indication message (ATIM) 1010 Disassociation 1011 Authentication 1100 Deauthentication 1101 Action (for spectrum managementwith 802.11h, also forQoS) Control frames (type=01)b 1000 Block Acknowledgment ...
... frames, which is why “Beacon” is capitalized. 50 | Chapter3: 802.11MACFundamentals. This is the Title of the Book, eMatter Edition Duration/ID Field Duration: setting the NAV Frames transmitted during contention-free periods PS-Poll frames.
... (Beacon, Probe Request, and IBSS ATIM frames) Frames destined for group addresses cannot be fragmented and are not acknowl- edged. The entire atomic sequence is a single frame, sent according to the rules of the ... Frames Unicast Frames.
... frames are usually quite long and thus benefit from the use of the RTS/CTS procedure to ensure exclusive access to ... Beacon frames. To retrieve buffered. This is the Title of the Book, eMatter Edition RTS/CTS with fragmentation ...
The Definitive Guide Matthew S. Gast. frames are announced by subsequent Beacon frames. To retrieve buffered frames, newly awakened stations use PS-Poll frames. An access point that receives a PS-Poll frame may respond with the requested ...
Contents
1 | |
12 | |
32 | |
67 | |
Wired Equivalent Privacy WEP | 114 |
User Authentication with 8021X | 129 |
Robust Security Networks TKIP and CCMP | 149 |
Management Operations | 170 |
80211 Hardware | 343 |
Using 80211 on Windows | 353 |
80211 on the Macintosh | 373 |
Using 80211 on Linux | 387 |
Using 80211 Access Points | 415 |
Logical Wireless Network Architecture | 438 |
Security Architecture | 476 |
Site Planning and Project Management | 518 |
ContentionFree Service with the PCF | 214 |
Physical Layer Overview | 225 |
The FrequencyHopping FH PHY | 241 |
DSSS and HRDSSS 80211b | 253 |
5GHz OFDM PHY | 276 |
The ExtendedRate PHY ERP | 298 |
MIMOOFDM | 311 |
80211 Network Analysis | 553 |
80211 Performance Tuning | 573 |
Conclusions and Predictions | 585 |
Glossary | 597 |
Index | 598 |