802.11 WLANs and IP networking : security, QoS, and mobility /

Table Of Contents:
Preface xix
Acknowledgments xxi

Introduction 1(32)

Basic Concept of WLANs 1(3)

Benefits of WLANs 4(2)

Mobility 4(1)

Short-Term Usage 5(1)

Speed of Deployment 5(1)

Difficult Wiring Environment 5(1)

Scalability 6(1)

Basic Concept of Wireless IP 6(1)

Market Trend 7(2)

Requirements of WLANs 9(1)

Issues 10(7)

General Issues 11(1)

Attenuation 12(1)

Multipath 13(2)

UHF Narrowband 15(1)

Infrared 15(1)

Health Consideration 15(2)

Future Directions 17(4)

WLANs 17(1)

WWANs 18(1)

WPANs 19(2)

The Next Generation 21(2)

Overview of the Book 23(10)

Reference 24(7)

Appendix 1A: Comparison of WLAN and WPAN Technologies 31(2)

Market and Business Cases 33(16)

Introduction 33(1)

Market Development 34(8)

WLAN Target Market 36(1)

WLAN Providers 37(2)

Billing 39(3)

Forces in Motion 42(2)

Business Case 44(2)

Business Assessment of Various Hotspot Scenarios 45(1)

Future Growth Areas and Factors 46(3)

References 47(2)

IEEE 802.11 49(46)

IEEE 802 Standardization Process 49(1)

Overview of IEEE 802 Activities 50(1)

IEEE 802 Current Activities 51(3)

802.15 51(2)

802.16 53(1)

802.18 53(1)

802.19 54(1)

802.20 54(1)

802.21 54(1)

Basic IEEE 802.11 54(6)

IEEE 802.11 Features 55(1)

IEEE 802.11 Topology 56(3)

IEEE 802.11 Logical Architecture 59(1)

Medium Access Control Layer 60(14)

Inter Frame Spacing 61(1)

Distributed Coordination Function 62(3)

RTS/CTS 65(1)

Fragmentation 66(1)

Point Coordination Function 67(2)

Scanning 69(1)

Association 70(1)

Authentication 70(1)

Encryption 71(1)

Roaming 72(1)

Synchronization 72(1)

Power Management 73(1)

IEEE 802.11 Physical Layers 74(2)

DSSS 74(1)

802.11 DSSS at 1 and 2 Mbps 74(2)

IEEE 802.11b 76(4)

IEEE 802.11b Channels 79(1)

IEEE 802.11a 80(5)

802.11a OFDM Parameters 81(1)

802.11a Channelization 82(1)

802.11a OFDM Signal Processing 82(1)

Training 83(2)

New PHY: IEEE 802.11g 85(2)

Security: IEEE 802.11i 87(1)

QoS: IEEE 802.11e 87(1)

IAPP: IEEE 802.11f 88(1)

Other IEEE 802.11 Activities 88(7)

IEEE 802.11h 89(1)

IEEE 802.11j 89(1)

IEEE 802.11k 89(1)

IEEE 802.11n 89(1)

Upcoming Activities 89(1)

References 90(2)

Selected Bibliography 92(3)

Security 95(52)

Security Threats and Goals 95(3)

Threats 95(2)

Goals 97(1)

Mapping Security Threats to Goals 98(1)

Related Information 98(19)

IPSec 99(5)

Network Address Translation 104(1)

IPSec and NAT 105(1)

Secure Socket Layer 105(2)

Kerberos 107(2)

Radius and Diameter 109(1)

IEEE 802.1x 110(2)

Extensible Authentication Protocol 112(5)

IEEE 802.11 Security Issues 117(6)

Authentication 118(1)

Confidentiality 119(1)

Integrity 120(1)

Access Control 120(1)

Other Issues 121(1)

Tools 122(1)

Security Issues in Other Solutions 123(1)

Countermeasures 123(4)

Personal Firewalls 123(1)

Biometrics 124(1)

Virtual Private Networks 124(2)

Public Key Infrastructure 126(1)

Intrusion Detection System 127(1)

WPA and IEEE 802.11i RSN 127(12)

IEEE 802.11i Services 128(1)

RSN Information Elements 128(1)

Key Hierarchy 129(3)

Handshake Protocols 132(1)

SAs in RSN Association 132(2)

Discovery Process 134(1)

Pre-Authentication 134(1)

TKIP 134(2)

CCMP 136(3)

IBSS 139(1)

Comparison 139(8)

References 140(7)

Quality of Service 147(40)

Introduction 147(2)

Voice Communication Requirement 149(1)

Voice over Wireless Challenges 149(1)

Voice Quality and Characteristics 149(1)

Limitations of Legacy 802.11 MAC 150(2)

Distributed Coordination Function 150(1)

Point Coordination Function 151(1)

QoS Support Mechanism of 802.11e 152(9)

Enhanced Distributed Channel Access 153(2)

HCF-Controlled Channel Access (HCCA) 155(1)

Coexistence of DCF, PCF, and HCF 156(1)

Interpretation of Priority Parameters in MAC Service Primitives 157(2)

Admission Control at the HC 159(2)

Other QoS-Related IEEE 802.11 Standards 161(1)

QoS Requirements for Heterogeneous Traffic 161(1)

Signaling and Control Protocols 162(3)

H.323 163(1)

Session Initiation Protocol (SIP) 164(1)

Real-Time Streaming Protocol (RTSP) 165(1)

Media Gateway Protocols 165(1)

Transport Protocols 165(2)

Real-Time Protocol (RTP) 166(1)

Real-Time Control Protocol (RTCP) 166(1)

Network-Level QoS 167(12)

Integrated Services (IntServ) 167(4)

Differentiated Services (DiffServ) 171(5)

Drawbacks of DiffServ Mechanism 176(1)

IntServ over DiffServ 177(1)

Policy Management and Billing 177(2)

Qos Support Across Heterogeneous Access Networks 179(4)

Top-to-Bottom System QoS Model 180(1)

Intra Domain and Inter Domain End-to-End QoS for Heterogeneous Access Networks 181(2)

Voice over WLAN Products 183(4)

References 184(3)

Roaming, Handover, and Mobility 187(44)

Handover and Mobility Management 187(4)

Mobility Management 187(2)

Handover 189(1)

Handover Metrics and Initiation Algorithms 190(1)

Handover Protocols (Control) 190(1)

Handover Methodology 191(1)

IEEE 802.11 Handover Scenarios 191(1)

IEEE 802.11 Roaming 192(7)

Synchronization 192(1)

IEEE 802.11 Roaming Mechanism 192(1)

General Roaming-Related Functions 193(2)

Initial AP Association 195(1)

Single and Multichannel Roaming 195(3)

IEEE 802.11 Handover Delays 198(1)

Inter-Access Point Protocol: IEEE 802.11f 199(6)

AP Wakeup, ESS Formation, and Radius 201(1)

IAPP-ADD Procedure 202(1)

IAPP-Move Procedure 202(1)

IAPP-Cache 203(1)

Neighbor Graph 204(1)

IEEE 802.11 Handover Delays 205(2)

IP Mobility 207(16)

Macro Mobility: Mobile IP 207(5)

Mobile IPv6 212(1)

Mobile IP and AAA 213(1)

Mobile IP Security Issues 214(1)

Mobile IP QoS Issues 215(1)

Mobile IP and IPSec 216(3)

MIP and NAT Issues 219(1)

Hierarchical Mobile IP 219(2)

Next Generation All-IP Mobility Management Requirements 221(1)

Seamless Mobility (Seamoby) 222(1)

Higher Layer Mobility 223(3)

Mobile IP Issues 223(1)

Stream Control Transmission Layer 224(1)

Transport Layer Security 224(1)

Session Initiation Protocol 225(1)

Roaming in the Public WLAN 226(1)

Inter-WISP Roaming Methods 226(1)

Universal Access Method and WISPr 227(1)

Fast Handover in WLAN 227(4)

References 228(3)

WLAN Deployment and Mobile Integration 231(42)

Deployment Issues and Requirements 231(5)

General Network Deployment Considerations 231(2)

Wireless Deployment 233(2)

Other Deployment Considerations 235(1)

Wireless Network User Needs and Utilization 235(1)

System Considerations 236(5)

Automatic Data Rate Control Algorithm 237(1)

Thresholds and System Scalability 238(3)

WLAN MAC and PHY Layer Deployment 241(7)

Coverage 241(2)

Interference 243(1)

Cell Overlap 244(2)

Frequency Planning 246(1)

Cell Overlay Structure 247(1)

Corporate WLAN Deployment 248(7)

IEEE 802.1x EAP Deployment 249(1)

IPSec Deployment 249(2)

Static WEP Deployment 251(1)

Selection Criteria Model 251(1)

Corporate WLAN Deployment Issues 251(4)

Public WLAN Deployment 255(1)

Operator-Owned PWLAN Solutions 256(5)

SMS-Based PWLAN Deployment 258(1)

SIM-Based PWLAN Deployment 259(1)

Mobile and WLAN Roaming 260(1)

Secure Network Management 261(4)

Secret Key Authentication 263(2)

Privacy Using Conventional Encryption 265(1)

3GPP-WLAN Deployment Architecture and Standard 265(2)

Conclusions 267(6)

References 269(4)

Future Generation Communications 273(28)

Introduction 273(2)

The Need for Future Generation Communications 275(4)

What Will Sell? 275(1)

Is It Common Sense? 275(1)

How to Know What Will Sell 276(2)

Different Perspectives 278(1)

Defining the Future 279(1)

Technologies 280(4)

B3G 280(1)

Beyond 281(3)

A Lesson to Learn 284(1)

Other Technologies 284(1)

Future Development 285(11)

MAC 285(1)

IP 286(2)

TCP 288(1)

RRM 288(1)

Source Coding 289(1)

Channel Coding 290(1)

Physical Layer 291(1)

QoS 291(3)

Security 294(2)

Mobility 296(1)

IEEE 802 Activities Towards the Future 296(1)

Standardization and Regulations 297(1)

Conclusions 298(3)

References 298(3)
List of Abbreviations 301(12)
About the Authors 313(2)
Index 315