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IDCN - VOLUME II SYS/83-11-18
TECHNICAL PROPOSAL
Page
T̲A̲B̲L̲E̲ ̲O̲F̲ ̲C̲O̲N̲T̲E̲N̲T̲S̲
Page
1 INTRODUCTION ...................................
7
1.1 DECISION TO BID ISRAELI DATA COMMUNICATION .
8
NETWORK, IDCN ..............................
8
1.2 SYSTEM OVERVIEW ............................
12
2 HARDWARE DESCRIPTION ..........................
15
2.1 NODE SYSTEM - GENERAL DESCRIPTION ..........
15
2.1.1 Introduction ...........................
15
2.1.2 Hardware Architecture ..................
15
2.1.3 Rack Layout ............................
16
2.1.4 CR80M Main Processor ...................
19
2.1.4.1 CR80 General Description ...........
19
2.2 NODE SYSTEM CONFIGURATION ..................
44
2.2.1 NODE Processor Units ...................
44
2.2.2 NODE Channel Units .....................
46
2.2.3 NODE TDX Units .........................
47
2.3 PERIPHERAL EQUIPMENT .......................
52
2.3.1 System Console .........................
52
2.3.2 Disk Drives, MMD and SMD ...............
52
2.3.3 Tape Drives ............................
52
2.4 SCC SYSTEM .................................
53
2.4.1 Introduction ...........................
53
2.4.2 Hardware Architecture ..................
53
2.4.3 Rack Layout ............................
53
2.4.4.1 SCC Processor Unit .................
56
2.4.4.2 SCC Channel Unit ...................
58
2.4.4.3 SCC TDX-Unit .......................
59
2.4.5 System Console .........................
61
2.4.6 Disk Drive MMD .........................
61
2.4.7 Single Floppy Disk Station .............
61
3 SYSTEMS DESCRIPTION ............................
64
3.1 SYSTEM OVERVIEW ............................
64
3.1.1 IDCN MEDE Functions ....................
67
3.1.2 Message Routing ........................
72
3.1.3 System Supervision, Control and
Maintenance ............................
73
Page
3.2 MESSAGE ENTRY AND DISTRIBUTION EQUIPMENT
(MEDE) .....................................
74
3.2.1 User Terminal Functions ...............
75
3.2.2 Control Functions ......................
85
3.3 NETWORK ....................................
99
3.3.1 Network Elements .......................
100
3.3.2 Topology ...............................
102
3.3.3 Nodal Message Switching ................
102
3.3.4 Nodal Switch Subsystem .................
104
3.3.4.1 Transmission Between Nodes .........
104
3.3.4.2 Multiaddressing ....................
109
3.3.4.3 Flow Control .......................
112
3.3.5 Error Control ..........................
117
3.3.6 Statistics .............................
120
3.3.7 Network Control ........................
121
3.4 SCC .......................................
122
3.4.1 General Characteristics ...............
122
3.4.1.1 Modes of operation ................
122
3.4.2 Active SCC ............................
125
3.4.2.1 Network Control ...................
125
3.4.2.2 Network Supervision ...............
130
3.4.2.3 Local Supervision/Control .........
135
3.4.2.4 Statistics collection and
generation ........................
136
3.4.2.5 Remote Maintenance Support ........
140
3.4.2.6 Standard Terminal Functions ........
141
3.4.3 Standby SCC ...........................
142
3.4.4 Off-Line SCC ..........................
142
Page
3.5 SOFTWARE ...................................
143
3.5.1 XAMOS Operating System .................
143
3.5.2 Extensions .............................
145
3.5.2.1 Memory Management ..................
146
3.5.2.2 Message Transition Control .........
146
3.5.2.3 Queue Access Management ............
152
3.5.2.4 Shared Memory Access ...............
154
3.5.2.5 Switchover and Recovery ............
158
3.5.3 On Line Diagnostic .....................
162
3.5.4 Node/Mede Application Software .........
163
3.5.5 SCC Software ...........................
185
3.5.6 Off-Line Diagnostics Programs ..........
189
3.6 EXPANDABILITY ..............................
191
3.7 SOFTWARE MODIFICATIONS .....................
192
3.7.1 Software Modifications Overview ........
192
3.7.2 Modifications to Operating System,
Device Drivers and Extensions ..........
194
3.7.3 Modifications to the Nodal Supervisory
Software ...............................
196
3.7.4 Modifications to Message Distribution
and Output Software ....................
197
3.7.5 Modifications to Storage and Retrieval
Software ...............................
198
3.7.6 Modifications to Message Journal and
Statistics Software ....................
199
3.7.7 Modifications to Message Service
Software ...............................
200
3.7.8 Modifications to System Control
Center Software ........................
201
3.7.9 Modifications to the Nodal Switch
Software ...............................
201
3.7.10 Concentrator Interface Software ......
202
3.7.11 End-to-End Control Monitor ..........
202
4 SYSTEM PERFORMANCE .............................
204
5 SYSTEM AVAILABILITY ............................
206
5.1 GENERAL CONSIDERATIONS .....................
206
5.2 RECOVERY PROCEDURES ........................
209
5.3 FALLBACK PROCEDURES ........................
210
5.4 RECOVERY TIMES .............................
211
5.5 MEAN-TIME-BETWEEN-FAILURE (MTBF) ...........
211
5.6 MEAN-TIME-TO-REPAIR (MTTR) .................
214
5.7 OVERALL SYSTEM AVAILABILITY ................
217
Page
6 INSTALLATION ...................................
225
6.1 EQUIPMENT INSTALLATION......................
225
6.2 REQUIREMENT ANALYSIS........................
225
6.3 INSTALLATION PLANING........................
226
6.3.1 Site Survey.............................
226
6.3.2 Installation Plan.......................
227
6.3.3 Transportation Plan.....................
227
6.3.4 Site Preparation Requirements...........
228
6.3.5 Equipment Installation Drawings.........
228
6.4 TRANSPORTATION OF THE EQUIPMENT.............
229
6.5 SITE INSTALLATION...........................
230
6.6 CHARGES ....................................
231
6.6.1 Installation Changes ...................
231
6.6.2 Transportation Charges .................
231
7 TRAINING .......................................
233
7.1 TRAINING OVERVIEW ..........................
233
7.2 COURSES ....................................
233
7.3 COURSE CONDUCT AND DESCRIPTION .............
242
8 DOCUMENTATION ..................................
247
8.1 DOCUMENTATION OVERVIEW .....................
247
8.2 DOCUMENTATION ..............................
247
8.2.1 Site Installation Documentation ........
247
8.2.2 System Hardware Maintenance Manual .....
248
8.2.3 System User's Manual ...................
248
8.2.4 System Operator's Manual ...............
248
8.2.5 Hardware Assembly Breakdown ............
249
8.2.7 Module Technical Manuals (TCM) .........
249
8.2.8 Peripheral Equipment Manuals ...........
250
8.2.9 Field Change Notice (FCN) ..............
250
8.2.10 Software Documentation ...............
250
8.3 GENERAL DOCUMENTATION SPECIFICATION ........
251
8.3.1 Language ...............................
251
8.3.2 Ring Binding ...........................
251
8.3.3 Paper/Printing and Typing ..............
251
8.3.4 Blocked Schematics and Drawings ........
251
8.3.5 Approval and Delivery ..................
252
Page
9 MAINTENANCE AND TECHNICAL SUPPORT ..............
254
9.1 GENERAL ....................................
254
9.2 REQUIREMENTS ANALYSIS ......................
254
9.3 MAINTENANCE PLANNING .......................
255
9.3.1 Maintenance Plan .......................
255
9.3.2 Recommended Spare Parts List (RSPL) ....
257
9.3.3 Tools and Test Equipment List ..........
257
9.4 MAINTENANCE ACTIVITIES .....................
258
9.4.1 Preventive Maintenance .................
258
9.4.2 Emergency Maintenance ..................
258
9.5 TECHNICAL SUPPORT ..........................
259
9.5.1 Hardware Support .......................
259
9.5.2 Software Support .......................
259
9.6 SPARE PARTS PROVISIONING ..................
260
9.6.1 Requirement Analysis ...................
260
9.6.2 Spares Delivery ........................
260
9.7 EXTENDED MAINTENANCE .......................
260
9.7.1 Repair Philosophy ......................
260
9.7.2 Depot Test Equipment ...................
261
9.7.3 Depot Spares ...........................
261
