xiv
CONTENTS
12.5.3
Introduction to Frame Relay Operation
330
12.5.4
Frame Structure
331
12.5.5
Traffic and Billing on a Frame Relay Network
333
12.5.6
Congestion Control: A Discussion
334
12.5.7
Quality of Service Parameters
336
Review Exercises
337
References
338
Chapter 13
Metropolitan Area Networks
341
13.1
Definition of a Metropolitan Area Network
341
13.2
Design Approaches
341
13.3
Fiber-Optic Ring Network
341
13.4
IEEE 802.11 System
342
13.5
IEEE 802.15 Standard
344
13.5.1
Differences Between 802.11 and 802.15
344
13.6
IEEE 802.16 Standard
348
13.6.1
IEEE 802.16 MAC Requirements
348
Review Exercises
359
References
360
Chapter 14
CCITT Signaling System No. 7
361
14.1
Introduction
361
14.2
Overview of SS No. 7 Architecture
362
14.3
SS No. 7 Relationship to OSI
363
14.4
Signaling System Structure
364
14.4.1
Signaling Network Management
366
14.5
The Signaling Data Link Layer (Layer 1)
367
14.6
The Signaling Link Layer (Layer 2)
368
14.6.1
Signal Unit Delimitation and Alignment
368
14.6.2
Error Detection
369
14.6.3
Error Correction
369
14.6.4
Flow Control
370
14.6.5
Basic Signal Unit Format
370
14.7
Signaling Network Functions and Messages (Layer 3)
372
14.7.1
Introduction
372
14.7.2
Signaling Message-Handling Functions
372
14.8
Signaling Network Structure
374
14.8.1
Introduction
374
14.8.2
International and National Signaling Networks
374
14.9
Signaling Performance--Message Transfer Part
375
14.9.1
Basic Performance Parameters
375
14.9.2
Traffic Characteristics
376
14.9.3
Transmission Parameters
376
14.9.4
Signaling Link Delays over Terrestrial and
Satellite Links
376
14.10
Numbering Plan for International Signaling Point Codes
377
14.11
Signaling Connection Control Part (SCCP)
378