Data Networking Made Easy : The Small Business Guide to Getting Wired for Success

by Patten, Karen

• ISBN13: 9781890154158
• ISBN10: 1890154156
• Format: Paperback
• Copyright: 2000-06-01
• Publisher: Aegis Pub Group

Summary

Electronic commerce is growing exponentially, and even more mom-and-pop businesses are profiting from local and wide area networks.

Table of Contents

Part I---Introduction	19	(2)
Network Basics	21	(20)
The Telephone Network and Circuit Switching	22	(3)
Circuit switching	16	(9)
Data Networks and Packet Switching	25
History of Data Communications	19	(10)
The need for speed	20	(9)
Network Characteristics	29	(8)
Network size and function	30	(3)
Direction and destination of data flow	33	(1)
Geometry of the network	34	(2)
Network relationships	36	(1)
Network Elements	37	(4)
Hardware	37	(1)
Software	38	(1)
Signaling methods	38	(3)
Why Do You Need a Data Network?	41	(20)
Competitive Advantages	45	(8)
Global reach	46	(2)
Level the playing field	48	(1)
Attract better employees	49	(1)
Gain new capabilities	50	(3)
Improve Productivity and Efficiency	53	(4)
Data mining	54	(1)
Do more with fewer employees	55	(1)
Share resources and peripherals	56	(1)
Save money	56	(1)
Encourage innovation	56	(1)
Why You Need to Know About Networks	57	(4)
Real World Applications	61	(14)
Networking Applications Common to All Industries	56	(19)
Service bureaus	64	(1)
Computer telephony integration	64	(2)
Electronic document interexchange	66	(1)
Teleworking	67	(3)
Teleconferencing, video conferencing, and beyond	70	(1)
Intranets and extranets	71	(1)
Electronic commerce	72	(3)
Planning, Installing, and Maintaining a Network	75	(12)
Technology Planning and Implementation Techniques	78	(1)
Planning For ISDN Deployment	79	(3)
Organizational impact	80	(1)
Customer service initiatives	81	(1)
Financial implications	82	(1)
ISDN Design and Implementation	82	(2)
Organizational impact	83	(1)
Customer service initiatives	83	(1)
Financial implications	84	(1)
ISDN Operations, Administration, and Maintenance	84	(1)
Organizational impact	84	(1)
Customer service initiatives	84	(1)
Financial implications	84	(1)
Summary of ISDN Migration	85	(2)
Part II---Introduction	87	(249)
A Changing Telecommunications Industry	91	(16)
A Changing Industry	91	(1)
Competition	92
The telecommunications industry: a natural monopoly	92	(1)
Divestiture impacts	93	(2)
Deregulation issues	95	(1)
Telecommunications Act of 1996	96
Confusion	90	(17)
Local exchange carriers (LECs)	98	(3)
Interexchange carriers (IXCs)	101	(1)
The government players	102	(1)
Cable TV service providers	103	(1)
Wireless service providers	103	(1)
Standards bodies	104	(1)
Internet service providers	105	(1)
User and industry technology groups	105	(2)
Telecommunications and Data Networking Basics	107	(20)
Open Systems Interconnection (OSI) Model	107	(3)
Communications Protocols	110	(2)
Device-to-device handshaking protocols	111	(1)
Basic Components of a Data Communications System	112	(5)
Types of communications equipment	113	(1)
Transmission links	114	(3)
Basic Data Networking Concepts	117	(10)
Communications codes	117
Session connections	110	(10)
Synchronizing the communications	120	(2)
Error detection methods	122	(2)
Access methodologies	124	(1)
Logical topology	125	(1)
Concentrator techniques	125	(2)
Transmission Media and Signals	127	(36)
Transmission Signal Characteristics	127	(7)
Analog signals	128	(1)
Digital signals	129	(2)
Transmission impairments	131	(2)
Control signaling	133	(1)
Modulation	134	(5)
Analog modulation	137	(1)
Digital modulation	137	(1)
Digital subscriber line (DSL) modulation	138	(1)
Analog/Digital Conversion	139	(3)
Pulse code modulation (PCM)	140	(2)
Multiplexing Techniques	142	(6)
Frequency-division multiplexing (FDM)	143	(1)
Time-division multiplexing (TDM)	144	(2)
Statistical time-division multiplexing (STDM)	146	(1)
Wave-division multiplexing	147	(1)
Time-division multiple access (TDMA)	147	(1)
Code-division multiple access (CDMA)	147	(1)
Global System for Mobile communications (GSM)	148	(1)
Wired Transmission Media	148	(7)
Twisted-pair copper wire	149	(2)
Coaxial copper cable (coax)	151	(1)
Fiber-optic cable	152	(2)
Hybrid cables	154	(1)
Wireless Transmission Media	155	(5)
Radio systems	156	(2)
Microwave radio systems	158	(1)
Satellite systems	159	(1)
Infrared systems	160	(1)
Bandwidth	160	(3)
Narrowband vs. wideband	161	(1)
Broadband signals	161	(1)
Baseband	162	(1)
Desktop Equipment	163	(12)
Business Computing	163	(1)
Desktop Data Terminal Equipment	164	(3)
User Interfaces	167	(3)
Input devices	167	(1)
Output devices	168	(1)
Add-in cards for microcomputers	169	(1)
Desktop Data Communications Equipment	170	(5)
Telephone line modems	170	(3)
Modems and data networks	173	(1)
ISDN terminal adapters	174	(1)
Cable TV Modems	174	(1)
Your Work Location: LANs and Telephone Systems	175	(38)
PDS Design and Components	175	(4)
Voice and Data Switching	179	(8)
Key systems	179	(1)
Private branch exchanges (PBXs)	180	(6)
Computer telephony integration (CTI)	186	(1)
Local Area Networks (LANs)	187	(3)
LAN Background	188	(1)
LAN Components	188	(2)
LAN Selection Criteria	190	(3)
Cost	190	(1)
Size	191	(1)
Usage	191	(1)
LAN software and hardware	192	(1)
Connectivity to other networks	192	(1)
Management	192	(1)
Shared LAN Architectures and LAN Protocols	193	(3)
Ethernet	194	(1)
Token ring	195	(1)
Fiber distributed data interface (FDDI)	196	(1)
Switched LAN Networks	196	(3)
Cut-through switches	197	(1)
Store-and-forward switches	197	(1)
ATM switching for LANs	197	(2)
Data Networking Equipment and Devices	199	(6)
Network interface card (NIC)	199	(1)
Front-end processor	199	(1)
Modems and line drivers	199	(2)
Multiplexers	201	(1)
Hubs	201	(1)
Repeaters	202	(1)
Internetworking equipment	203	(1)
Channel service unit (CSU) and Digital service unit (DSU)	204	(1)
Network Security	205	(2)
User Identification and authentication	206	(1)
Firewalls	206	(1)
Encryption	206	(1)
Data Networking Software	207	(3)
Network operating systems	207	(1)
Application software	208	(2)
Management Software	210	(1)
Wireless LANs	210	(3)
Telecommunications Connection Services	213	(36)
Introduction to Telecommunications Services	213	(2)
Basic Call Processing	215	(5)
Call recognition	215	(1)
Digit collection and interpretation	215	(2)
Switching and routing	217	(1)
Network completion	218	(1)
Supervision and billing	219	(1)
The Local Loop--Connecting to the PSTN	220	(2)
Feeder cables	221	(1)
Distribution cables	221	(1)
Drop wires	221	(1)
Type of Networks	222	(3)
Switched networks	222	(1)
Dedicated networks	223	(1)
Selection criteria	224	(1)
Circuit-switched Services	225	(10)
Plain old telephone service (POTS)	225	(1)
Centrex Services	226	(3)
Switched 56/64 kbps services	229	(1)
Integrated services digital network (ISDN)	229	(3)
T-carrier services	232	(1)
Optical carrier access services	233	(1)
Synchronous Optical Network (SONET) access services	234	(1)
Metropolitan area networks (MANs)	234	(1)
Dedicated Digital Access Services	235	(7)
Digital data service (DDS)	235	(1)
Digital T1/T3 point-to-Point service	235	(1)
Digital subscriber line (DSL) services	236	(4)
DSL Market opportunities	240	(2)
Value-added Networks (VANs)	242	(1)
Alternative Access to the PSTN	243	(4)
Cable modems	244	(1)
Wireless local access	245	(2)
Choosing an Internet Access Technology	247	(2)
Public High-Speed Digital Networks	249	(44)
Public Telecommunications Networks	250	(1)
Transmission	250	(9)
T-carrier Systems	251	(2)
The Synchronous Optical Network (SONET)	253	(4)
Wave-division multiplexing (WDM)	257	(2)
Network Signaling	259	(3)
Switching	262	(12)
Circuit-switched networks	264	(3)
Packet-switched networks	267	(5)
Virtual private networks (VPNs)	272	(2)
Overlay Networks	274	(19)
Traditional x.25	277	(1)
Fiber distributed data interface (FDDI)	277	(1)
Frame relay	277	(3)
Switched multimegabit data services (SMDS)	280	(1)
Broadband ISDN	280	(4)
Asynchronous transport mode (ATM)	284	(6)
The Internet	290	(1)
Overlay network comparisons	290	(3)
An Exploding Internet	293	(30)
History of the Internet	294	(2)
Today's Internet	296	(1)
The Public Internet	296	(4)
The backbone	297	(2)
Network access points (NAPs)	299	(1)
Internet Addresses	300	(4)
Domain name system (DNS)	302	(1)
Uniform resource locators (URLS)	303	(1)
The WorldWide Web	304	(2)
Browser programs	305	(1)
The Private Internet: Intranets and Extranets	306	(2)
Internet Protocol (IP) Technology	308	(3)
Internet transport protocols	309	(1)
TCP vs. OSI	309	(2)
ATM vs. IP protocol	311	(1)
Voice Over IP (VoIP)	311	(4)
Quality of Service (QoS)	312	(1)
Standards	313	(1)
Internet Telephony Issues	314	(1)
Security	315	(8)
Nasty invaders	316	(1)
Physical security	317	(1)
Passwords	317	(1)
Firewalls	318	(1)
Encryption	319	(1)
Secure payment protocols	320	(1)
Electronic money	321	(2)
Putting It All Together	323	(13)
A Day in the Life of a Data Packet	323	(10)
Tracing a route	324	(2)
A datagram's route	326	(7)
Protocol Hierarchy	333	(2)
Frames vs. Packets	335	(1)
What's Next?	336