Designing data networks:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Englewood Cliffs, NJ
Prentice-Hall
1986
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| Ausgabe: | 1. print. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII, 308 S. graph. Darst., Kt. |
| ISBN: | 0132018640 |
Internformat
MARC
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| 245 | 1 | 0 | |a Designing data networks |c Robert L. Ellis |
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| 300 | |a XII, 308 S. |b graph. Darst., Kt. | ||
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Datensatz im Suchindex
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| adam_text |
DESIGNING
DATA
NETWORKS
ROBERT L ELLIS
PRENTICE-HALL, Inc , Eng/ewood Cliffs, NJ 07632
CONTENTS
PREFACE
INTRODUCTION: THE DESIGN CHALLENGE
Part I Elements of a Design
1 LINES
Tariffs 6
Carriers 7
Carrier Services 9
Tariff Environment 10
Hybrid Tariff Environment 12
Rating Points 16
Local Access and Transport Areas 16
Transmission Segments 19
Rate Elements 20
Calculating Distance 22
Line Organization 25
Comparing Line Organizations 27
Line Characteristics 31
Measured Services 33
Pricing Measured Services 34
Private Lines 36
Pricing Private Lines 38
Pricing a Multipoint Circuit 40
Optimizing a Multipoint Circuit 40
Optimizing a Multipoint Line 42
Complications 43
2 EQUIPMENT
Terminals 49
Line Controllers 51
Data Sets 52
Traffic Clustering Devices 57
Multiplexers 57
Concentrators 65
Front-End Processors 65
Network Nodes 67
3 SOFTWARE
Application Programs 71
Performance Software 71
Teleprocessing Software 72
Line Control Software 72
Network Definition 74
Line Protocol 75
Binary Synchronous Control Protocol 76
Synchronous Data Link Control 78
Open Systems Interconnection 80
The OSI Reference Model 81
4 DEMAND
Information Needed 88
Ways to Sample the Network's Activity 89
Uncertainty of the Sampling Process 93
Adjusting Your Sample 96
Using the Sample 97
5 DESIGN GOALS
Cost 100
Performance 101
Managerial Criteria 102
Implementation Ease 102
Cohesion 103
Maintenance 103
Servicing and Support 104
Security 105
Reliability 107
Contents
Redundancy 108
Vendor Reputation and Experience 109
Robustness 110
Flexibility 111
Financing Terms 112
Compatibility 113
Design Goals Revisited 114
Part II Assembling Elements into a Design
6 DESIGNING DISTRIBUTED NETWORKS
Composition 120
Segments 121
Languages Spoken 121
The Access Segment 122
The Internode Segment 123
The Node-Processor Segment 124
Designing a Distributed Network 125
Merging Originally Diverse Networks 127
Multinode Networks 129
Designing Multinode Networks 129
Sensitivities of Multinode Networks 133 •
Local Processing Networks 134
Designing Local-Processing Networks 136
A Case Study: Apex Supermarkets 138
7 CALCULATING RESPONSE TIME
Response Time—Definition 145
Elements of Response Time 146
Fixed Delay Elements 147
Computing Service Time 148
Computing Wait Time 153
Assembling All Elements 154
Complications 155
Computing the Distribution of Response Time
Sensitivities of Response Time 168
Special Cases 171
Point-to-Point Response Time 172
Response Time in Multiplexer Networks 175
Limitations of Queueing Theory 178
A Case Study: County National Bank 180
X Contents
8 DESIGNING CENTRALIZED NETWORKS 188
Configuring a Network of Multidrop Lines 189
The Esau-Williams Algorithm 190
Simplifyng the Esau-Williams Algorithm 193
A Manual Method 194
Optimizing a Sample Multidrop Network 195
Response-Time Constraints 196
Building a Line Loading Table 199
Configuring Multiplexer Networks 201
The Add Algorithm 203
Using Network Design Software 205
9 A DESIGN EXERCISE: YANKEE SECURITIES 209
Response Time of the Current System 211
Multiplexer Response Time 211
Multidrop Response Time 211
Developing a Multidrop Design 215
Developing a Multiplexed Design 215
Presenting the Alternatives 217
Selecting a Design 217
Solutions to Exercises 217
10 AFTER THE DESIGN 238
The Configuration Process 240
Finding Network Utopia 245
Managerial Criteria Revisited 251
Appendix A CATALOG OF LOCAL ACCESS AND
TRANSPORT AREAS 255
Appendix B CATALOG OF AT amp;T CENTRAL OFFICES 261
Appendix C SOURCES OF INFORMATION 285
Appendix D THE INTERSTATE PRIVATE LINE RAtES
FOR AT amp;T COMMUNICATIONS 287
Bibliography 296
Index 300 |
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| indexdate | 2024-07-20T07:50:50Z |
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| isbn | 0132018640 |
| language | English |
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| publishDate | 1986 |
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| spelling | Ellis, Robert L. Verfasser aut Designing data networks Robert L. Ellis 1. print. Englewood Cliffs, NJ Prentice-Hall 1986 XII, 308 S. graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Computer networks Data transmission systems Rechnernetz (DE-588)4070085-9 gnd rswk-swf Rechnernetz (DE-588)4070085-9 s DE-604 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=003882409&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ellis, Robert L. Designing data networks Computer networks Data transmission systems Rechnernetz (DE-588)4070085-9 gnd |
| subject_GND | (DE-588)4070085-9 |
| title | Designing data networks |
| title_auth | Designing data networks |
| title_exact_search | Designing data networks |
| title_full | Designing data networks Robert L. Ellis |
| title_fullStr | Designing data networks Robert L. Ellis |
| title_full_unstemmed | Designing data networks Robert L. Ellis |
| title_short | Designing data networks |
| title_sort | designing data networks |
| topic | Computer networks Data transmission systems Rechnernetz (DE-588)4070085-9 gnd |
| topic_facet | Computer networks Data transmission systems Rechnernetz |
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