Understanding ATM

Name: Understanding ATM
Price: 41.23 USD
Availability: InStock
ISBN: 9780070576797

ISBN-10: 0070576793

ISBN-13: 9780070576797

Edition: 1996

Authors: Stanley Schatt

List price: $45.00

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This book provides insight into practical implementations of ATM (asynchronous transfer mode), the major ATM strategic directions, and products associated with the major ATM vendors. It presents an accessible introduction to ATM technology.

Book details

List price: $45.00
Copyright year: 1996
Publisher: McGraw-Hill Companies, The
Binding: Paperback
Pages: 239
Size: 7.00" wide x 9.25" long x 0.50" tall
Weight: 0.990

Introduction	p. xv
Key ATM Concepts
Today's Corporate Network Environment	p. 3
What is a Local Area Network?	p. 4
LANs Come in Different Shapes and Sizes	p. 5
The OSI Model	p. 6
The Application Layer	p. 7
The Presentation Layer	p. 7
The Session Layer	p. 7
The Transport Layer	p. 8
The Network Layer	p. 8
The Data Link Layer	p. 10
The Physical Layer	p. 11
Network Topology	p. 11
Ethernet	p. 12
Token Ring	p. 16
Fiber Distributed Data Interface (FDDI)	p. 17
Other Network Architectures	p. 19
How Information Travels over a LAN	p. 19
Network Operating Systems	p. 21
Network File Server	p. 21
Network Interface Card	p. 22
Protocol Layers Dictating a NIC's Behavior	p. 22
The LLC and the MAC	p. 23
Bridges	p. 24
Routers	p. 26
Source-Routing Bridges	p. 27
Bridges or Routers?	p. 28
How LANS Are Used	p. 28
Backbone LANS	p. 28
Departmental LANs	p. 28
Workgroup LANs	p. 29
Enterprise Networks	p. 29
Different Technologies to Increase Bandwidth	p. 29
Full-Duplex Ethernet	p. 30
Ethernet Switching on a LAN	p. 30
The Best of Both Worlds	p. 33
Converting Existing Ethernet Hubs into Switching Hubs	p. 33
Switched Token Ring	p. 34
100BaseT	p. 36
100VG-AnyLAN	p. 36
100-Mbps Switching Hubs	p. 37
Which Is Better: 100VG or 100BaseT?	p. 37
Fibre Channel	p. 38
Summary	p. 39
ATM Basics	p. 41
What Is ATM?	p. 41
Who Will Adopt ATM?	p. 42
The ATM Forum	p. 43
The International Telecommunications Union (ITU)	p. 43
The American National Standards Institute (ANSI)	p. 43
The Roles and Relationships of ATM Devices	p. 43
Following Some Cells on Their Journey	p. 46
Inside an ATM Switch	p. 46
The ATM Protocol Reference Model	p. 47
The Physical Layer	p. 48
The ATM Layer and ATM Cells	p. 48
The ATM Cell Header	p. 49
General ATM Operation	p. 50
The Four Classes of ATM Traffic	p. 51
Flow Control on ATM	p. 53
LAN Emulation	p. 54
The LAN Emulation Configuration Server	p. 57
Internet Protocol Over ATM	p. 58
ATM Network Management	p. 59
External Network Management of ATM Networks	p. 59
The ATM Monitoring Group and Its Goals	p. 60
Security	p. 62
ATM Private Network-to-Network Interface	p. 62
Congestion Management	p. 63
Switched Virtual Circuits	p. 63
The User-to-Network Interface (UNI Version 3.1)	p. 63
ATM's Physical Interfaces	p. 64
Summary	p. 65
Moving Toward Virtual Networks and ATM	p. 67
Today Backbones Have Collapsed	p. 67
Some Problems with Today's Legacy LANs	p. 67
Adding Switches to the Legacy LAN Environment	p. 70
The Switching Hub and Virtual Networks	p. 70
Physical Versus Logical LANs	p. 70
Agile Networks' Virtual Subnet VLANs	p. 72
IP Host-List Virtual LANs	p. 73
Rules-Based Virtual Networks	p. 73
Automated Virtual LANs	p. 74
Incorporating ATM Backbones with Ethernet Switches	p. 74
How Layer-2 Ethernet Switches Communicate Across a Backbone	p. 74
Backbones for Layer-3 Switching Hubs with Virtual LANs	p. 75
Routing in Today's Switching Hubs	p. 76
ATM Edge Routers	p. 76
An Alternative to Edge Routers	p. 77
Problems with Virtual Networks	p. 78
The Movement Toward VLAN Interoperability	p. 79
Policy-Based Management of VLANs	p. 80
Summary	p. 80
Wide Area Network Basics and ATM	p. 83
What Is a Wide Area Network (WAN)?	p. 83
Unreliability of WAN Links	p. 84
Divestiture and Wide Area Networks	p. 84
Digital Signal Transmission	p. 84
Why T-1 Circuits Are Popular	p. 86
T-1 Frames	p. 86
Time-Division Multiplexing: The Key to T-1 Transmission	p. 86
Fractional T-1	p. 87
T-3 Multiplexers	p. 87
Packet-Switched (X.25) Networks	p. 87
Private Packet-Switched Networks	p. 88
X-25 Packet Switching versus T-1 Multiplexing	p. 89
Creating a WAN by Bridging LANs via X.25	p. 89
Fast-Packet Technology and Frame Relay	p. 91
Frame Relay Technology	p. 92
Switched Multimegabit Data Service	p. 93
Integrated Services Digital Network (ISDN)	p. 93
Basic Rate Interface (BRI)	p. 93
Primary Rate Interface (PRI)	p. 94
ISDN Equipment	p. 94
Integrated Voice Under ISDN: IEEE 802.9	p. 94
ISDN in Action	p. 95
How Long Until an ISDN World?	p. 95
Synchronous Optical Network (SONET)	p. 95
ATM and T-1 Links: AIM	p. 96
How AIM Will Work	p. 96
The Major Advantages of AIM	p. 97
ATM and Frame Relay	p. 98
The Frame User to Network Interface (FUNI)	p. 98
Real-Life Wide Area ATM in Action	p. 99
ATM and Voice	p. 100
ATM and Wide Area Network Switches	p. 101
Carrier Implementations of ATM	p. 101
Case Study: Using the Public ATM Network Today	p. 102
Summary	p. 103
Vendor Network Architectures and ATM Plans
FORE Systems Leads the Way	p. 107
FORE Systems' Strategy	p. 107
The Fore Thought Partners Program	p. 108
FORE's Switches	p. 108
Backbone Switches	p. 109
Workgroup Switches	p. 109
Ethernet Switches	p. 109
The LAX-20 LAN Access Switch	p. 111
A FORE ATM Network in Action	p. 111
FORE's ATM Adapters	p. 111
ForeThought Software	p. 112
ForeThought and LAN Emulation	p. 114
ForeView	p. 114
Support for IP over ATM	p. 114
Customer Support and Product Maintenance	p. 114
Traffic Policing	p. 115
ForeThought Bandwidth Management	p. 116
The Role of 100-Mbps ATM	p. 117
FORE and 25-Mbps Desktop ATM	p. 117
ForeRunner Video Products	p. 117
FORE's Vision of Enterprise ATM	p. 118
FORE's Vision of ATM and the Wide Area Network Market	p. 119
Northern Telecom's Strategic Alliance with FORE Systems	p. 119
FORE's Wide Area Network ATM Interfaces	p. 119
Should FORE Systems Be Your ATM Vendor?	p. 120
Summary	p. 120
ATM's Role in an IBM Enterprise Network	p. 123
The Importance of ATM to IBM	p. 123
Switched Virtual Networking	p. 124
Broadband Network Services (BBNS)	p. 125
IBM's "Switch on a Chip"	p. 125
Networking Broadband Services (NBBS) Architecture	p. 127
NBBS Access Services	p. 127
NBBS Transport Services	p. 128
NBBS Control Services	p. 128
The Nways Broadband Switch Family	p. 129
ATM Adapters	p. 131
The Role of 25-Mbps ATM	p. 131
The TurboWays 100	p. 132
Integrating ATM into the IBM Mainframe Environment	p. 132
ATM and APPN	p. 132
Linking LANs and Mainframes to ATM Backbones	p. 133
The TurboWays 8282 ATM Workgroup Concentrator	p. 133
The Hub as the Focal Point of the Network	p. 134
Network Management	p. 135
nways Broadband Switch Management	p. 136
The Nways Broadband Switch Manager for AIX	p. 136
Enterprise-Wide ATM Network Management	p. 136
Nways Intelligent Hub Management Program for DOS (IHMP/DOS)	p. 136
Nways Manager for Windows	p. 137
IBM's Future ATM Network Management	p. 138
Is IBM the Right ATM Vendor for You?	p. 138
Summary	p. 138
Digital Equipment Corporation and ATM	p. 141
Digital's Strategy	p. 141
The enVISN Architecture	p. 141
Virtual Networks	p. 142
Network Management under enVISN	p. 143
Switches	p. 144
The DECswitch 400	p. 144
The DECswitch 900	p. 145
The GigaSwitch/FDDI	p. 145
The GigaSwitch/ATM	p. 145
Traffic Management	p. 146
Adapter Cards	p. 147
The GigaSwitch/ATM System in Action	p. 147
Toshiba and Digital's ATM Chips	p. 148
Hubs	p. 149
The DEChub 90	p. 149
The DEChub 900 MultiSwitch System	p. 149
Managing Digital Hubs	p. 149
Routers	p. 149
Should Digital Be Your ATM Vendor?	p. 150
Summary	p. 150
ATM and Cisco Systems	p. 153
CiscoFusion Architecture	p. 153
How Switching Will Evolve	p. 154
Cisco Pushes a VLAN Standard	p. 155
The Cisco Internetwork Operating System (IOS)	p. 155
IOS and Multimedia	p. 155
Legacy LAN Switches	p. 156
LightStream 100	p. 156
LightStream 2020	p. 158
Internetwork Management Software	p. 158
CiscoView	p. 159
Should Cisco Systems Be Your ATM Vendor?	p. 159
Summary	p. 159
Major Hub Vendors and ATM	p. 161
Bay Networks	p. 161
Transport Services	p. 162
Policy Services	p. 163
Operation Services	p. 163
The Bay Networks 5000 Hub	p. 163
Bay Networks Switches	p. 164
Should Bay Networks Be Your ATM Vendor?	p. 165
3Com	p. 165
High-Performance Scalable Networking (HPSN)	p. 166
3Com Leverages Its Chip Technology	p. 168
The 3Com Product Line	p. 168
The LinkBuilder MSH Multiservices Hub	p. 169
Legacy LAN Switches	p. 169
ATM Products	p. 169
The NetBuilder II Bridge/Router	p. 170
Routing or Switching?	p. 170
3Com's ATM Products in Action	p. 170
Should 3Com Be Your ATM Vendor?	p. 171
Cabletron	p. 172
Legacy Switching and Accessing ATM	p. 172
Cabletron and FORE Systems	p. 172
Features Associated with Cabletron Switches	p. 172
Synthesis	p. 173
The Infrastructure under Synthesis	p. 173
Automated Management under Synthesis	p. 173
Support Services under Synthesis	p. 174
Securefast Switching	p. 174
Spectrum and Virtual Network Management	p. 174
Spectrum and Management of Other Vendors' Products	p. 175
Should Cabletron Be Your ATM Vendor?	p. 175
UB Networks	p. 176
Should UB Networks Be Your ATM Vendor?	p. 177
Summary	p. 177
Wide Area Network ATM Vendors	p. 179
Stratacom	p. 179
The IPX	p. 180
IGX	p. 180
BPX	p. 182
AXIS	p. 182
Stratacom Software	p. 182
StrataSphere Network Management	p. 183
Strategic Partnerships	p. 184
Newbridge Networks	p. 184
The 36150 MainStreet ATM Network Switch	p. 184
The VIVID Workgroup Switch	p. 184
Traffic Management	p. 185
VIVID Network Interface Cards	p. 185
Newbridge's VIVID Solution for Legacy LANs	p. 185
Newbridge and Virtual Networks	p. 186
VIVID and SMC	p. 186
Some Newbridge Strengths and Weaknesses	p. 188
Cascade Communications	p. 188
Switches	p. 188
OPTimum Software	p. 190
Network Management	p. 190
Strategic Alliances	p. 190
General Datacomm	p. 190
Strategic Advantages	p. 191
ATM Switches	p. 192
Video Support	p. 192
Traffic Management	p. 193
Network Management	p. 193
Strategic Partnerships	p. 193
Migrating Customers to ATM	p. 194
ADC Kentrox	p. 194
Northern Telecom (Nortel)	p. 196
Multiple Priority System (MPS)	p. 196
How Passport Will Evolve	p. 197
ATandT	p. 198
The Service Node	p. 198
The Service Management Module	p. 198
The Access Module	p. 198
The BNS-2000 Data Server	p. 199
The LCS Family	p. 199
Configurations	p. 199
Future Support for the GlobeView 2000	p. 200
Summary	p. 201
Madge Networks and First Virtual: Desktop ATM 25	p. 203
The Growth of 25-Mbps ATM	p. 203
Madge Networks: Bringing ATM to the Desktop and LAN	p. 204
Madge's Vision of a Switched Network Environment	p. 204
Voice as a Future Desktop ATM Application	p. 206
Should Madge Networks Be Your ATM Vendor?	p. 206
Multimedia as the Killer Desktop ATM 25 Application	p. 206
Why Desktop Multimedia Requires ATM	p. 207
First Virtual's Vision for Multimedia Over ATM	p. 207
Media Adapters	p. 209
ATM and ISDN for Video	p. 210
Should First Virtual Be Your ATM Vendor?	p. 210
Summary	p. 210
Evaluating ATM
Evaluating the Enterprise Network Environment for ATM	p. 215
Examining Your Current Enterprise Network	p. 215
The Changing Business Environment	p. 215
Dead-End Topologies	p. 216
Wide Area Network Links	p. 216
What Size ATM Switches Are Desirable?	p. 216
Selecting the Right Virtual LAN	p. 217
The Multifunction Intelligent Hub	p. 217
Legacy LAN Switches	p. 219
Configuring Them for Best Results	p. 219
Questions to Ask	p. 219
A Legacy LAN Switch Checklist	p. 219
Major Issues Concerning ATM Switches	p. 220
Switched Virtual Circuits (SVCs)	p. 220
LAN Emulation	p. 220
Network Management	p. 220
Know What Nonblocking Means	p. 221
ATM Network Interface Card Checklist	p. 221
ATM Switches: A Checklist	p. 222
Glossary	p. 223
Index	p. 231
About the Author	p. 240
Table of Contents provided by Syndetics. All Rights Reserved.