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APPENDIX I TO VOL IV
1982-03-05
TECHNICAL PROPOSAL
MESSAGE SUBSYSTEM
APPENDIX 1
of
VOLUME IV
TECHNICAL PROPOSAL
C R O S S F O X
MESSAGE SUBSYSTEM
CHRISTIAN ROVSING A/S
BALLERUP, DENMARK
T̲A̲B̲L̲E̲ ̲O̲F̲ ̲C̲O̲N̲T̲E̲N̲T̲S̲
1 MESSAGE SUBSYSTEM DESCRIPTION ...................
1
1.1 CONFIGURATION OVERVIEW ......................
2
1.2 PERFORMANCE OVERVIEW ........................
13
1.2.1 Connectivity and Throughput .............
14
1.2.2 Storage .................................
16
1.2.3 Response Times ..........................
18
1.3 FUNCTIONAL HIGHLIGHTS .......................
20
1.3.1 MPF Functions ...........................
20
1.3.2 MCU Functions ...........................
23
1.4 EXTERNAL INTERFACES .........................
24
1.4.1 NICS TARE Interface .....................
25
1.4.2 TRC/Point-to-Point Connection Interface
. 26
1.4.3 SHIP-to-SHORE Interface .................
26
1.4.4 Broadcast Interface .....................
27
1.4.5 Maritime Rear Link Interface ............
27
1.4.6 Standby MC Interface ....................
28
2. OPERATIONAL PROCEDURES ........................
29
2.1 BROADCAST OF MESSAGES .......................
29
2.1.1 Transmission on Broadcast ...............
29
2.1.2 Dissemination of Traffic control
Information .............................
30
2.1.3 Retransmission on Broadcast .............
31
2.1.4 Procedure for Crypto Handling ...........
31
2.2 SHIP-to-SHORE MESSAGE HANDLING ..............
32
2.2.1 Receipt of Messages on Ship-to-Shore ....
32
2.2.2 Dissemination of Information ............
33
2.3 OPERATOR SYSTEM INTERFACE ...................
33
2.4 LOCAL MESSAGE PREPARATION ...................
34
2.5 SUPERVISORY FUNCTIONS .......................
35
2.5.1 Systems Control .........................
36
2.5.2 Message Handling ........................
37
2.5.3 Message Release .........................
37
2.5.4 Channel Control .........................
38
2.5.5 System Monitoring .......................
38
2.5.6 Security Control ........................
39
2.6 STORAGE & RETRIEVAL .........................
39
2.7 SYSTEM CONFIGURATION CONTROL,
INITIALIZATION & RECOVERY ...................
40
2.8 ACCOUNTABILITY PROCEDURES ...................
40
2.9 OPERATIONAL SECURITY ........................
41
3. GENERAL TECHNICAL SPECIFICATIONS ..............
43
3.1 TECHNICAL STANDARDS APPLICABLE
…02…FOR THE MS ................................
43
3.1.1 General .................................
43
3.1.2 Standards ...............................
43
3.1.3 Materials and finish ....................
44
3.1.4 Modular Construction ....................
44
3.1.5 Interchangeability ......................
45
3.1.6 Dissimilar Metals .......................
45
3.1.7 Cables and Fittings .....................
45
3.1.8 Wiring Protection .......................
46
3.1.9 Flux and Soldering ......................
46
3.1.10 Protection of Equipment ...............
46
3.1.11 Electromagnetic Interference ..........
46
3.1.12 Acoustic Noise ........................
47
3.1.13 Consumable Parts ......................
48
3.1.14 Cover Plates ..........................
48
3.1.15 Utility Outlet Sockets ................
48
3.1.16 Name Plates ...........................
48
3.1.17 Controls ..............................
49
3.1.18 Local Cooling of Equipment ............
49
3.2 ENVIRONMENTAL CONDITIONS ....................
49
3.2.1 Civil Engineering Aspects ...............
49
3.2.2 Operating Conditions ....................
49
3.2.3 EMP Protection ..........................
50
3.3 SOFTWARE STANDARDS ...........................
50
3.3.1 General Properties .......................
50
3.3.2 System Software Characteristics ..........
53
3.3.3 Applications Software Characteristics ....
54
3.3.3.1 Overall Structure ....................
54
3.3.3.2 Modules ..............................
55
3.3.3.3 Use of Languages .....................
55
3.3.3.4 Programs .............................
55
3.3.3.5 Module Size Constraints ..............
56
3.3.3.6 Man/Machine Interface ................
56
3.3.4 Support Software Characteristics ........
57
3.3.4.1 General .............................
57
3.3.4.2 Software Support Functions ..........
57
3.3.4.3 Software Support Site ...............
58
3.3.5 Software Maintenance and Modification ....
59
3.3.6 Software Integrity ......................
59
3.4 AVAILABILITY AND RELIABILITY ................
60
3.4.1 Definitions, Formulas and Major
Assumptions. ............................
60
3.4.2 A&R Models ............................
63
3.4.3 A&R Calculations ........................
72
3.4.3.1 Equipment Serving all External
Circuits, Channels and Load
Terminal Connecting Points ..........
74
3.4.3.2 Equipment Serving Supervisory and
Service Positions ...................
74
3.4.3.3 Equipment Serving Individual
User Connecting Points ..............
80
3.4.3.4 Equipment Serving Individual External
Channels ............................
83
3.4.3.5 Equipment Serving Groups of External
Channels ............................
86
3.4.3.6 Degraded Modes & System Degradation
. 89
3.4.3.7 Specific MTBF and Downtime
Requirements ........................
96
3.4.4 STE and S/W Failure Rates ................97
3.4.5 A&R Analysis ...........................
97
3.5 MAINTAINABILITY ..............................
97
3.6 SECURITY ......................................
98
3.6.1 Communications and Electrical
Equipment ................................
98
3.6.1.1 MPF ..................................
98
3.6.1.2 Equipment Outside the MTP Room .......
98
3.6.1.3 Interface of Cryptographic
Equipment ............................
99
3.6.1.4 Secure Wiring ........................
99
3.6.1.5 Power Supply Filtering ...............
99
3.6.1.6 Installation Drawings and
Equipment Lists ......................
99
3.6.1.7 Installation Inspection ..............
99
3.6.2 Grading of Classified Information ........
99
3.6.3 Control of Outputs .......................
100
3.6.3.1 Identification of Printouts ..........
100
3.6.3.2 Removable Storage Media (RSM) ........
100
3.6.4 Security aspects of System Design ........
101
3.6.4.1 Hardware .............................
101
3.6.4.2 Software .............................
102
3.6.4.3 Operational Security .................
103
3.7 GROUNDING ...................................
103
3.8 PERSONNEL SAFETY ............................
103
3.8.1 General .................................
103
3.8.2 Mechanical Hazards ......................
104
3.8.3 Electrical Hazards ......................
104
3.8.4 Fusing ..................................
104
3.8.5 National Safety Regulations .............
105
4. MESSAGE SUBSYSTEM; EQUIPMENT DESCRIPTION ......
106
4.1 SYSTEM CONFIGURATION ........................
106
4.1.1 Connectivity and Expandability ..........
106
4.1.2 Typical Layout ..........................
109
4.1.3 Equipment Matrix ........................
111
4.1.4 Physical Characteristics ................
113
4.2 FUNCTIONAL DESCRIPTION ......................
113
4.2.1 Incoming Message Processing .............
113
4.2.1.1 Reception ...........................
117
4.2.1.1.1 TARE & TRC Reception ............
117
4.2.1.1.2 Ship-To-Shore Reception ..........
119
4.2.1.1.3 MRL Reception ....................
124
4.2.1.2 Analysis .............................
125
4.2.1.2.1 ACP 127 Analysis .................
125
4.2.1.2.2 ACP 126 Analysis .................
129
4.2.1.3 Local Message Delivery ...............
131
4.2.1.4 Service Message Handling .............
132
4.2.2 Outgoing Message Processing ..............
133
4.2.2.1 Conversion & Routing .................
133
4.2.2.1.1 ACP 127 Conversion & Routing .....
135
4.2.2.1.2 ACP 126 Conversion & Routing .....
139
4.2.2.2 General Transmission Procedures .....
144
4.2.2.3 Broadcast/MRL Transmission
Procedure ...........................
148
4.2.2.4 Service Message Handling ............
158
4.2.2.4.1 Formal Service Messages .........
159
4.2.3 Addressing Schemes to be Implemented ....
163
4.2.4 Supervisor Functions ....................
166
4.2.4.1 Commands, General ...................
166
4.2.4.2 Supervisor Control ..................
169
4.2.4.3 Service Message Handling ............
174
4.2.4.4 Message Handling ....................
174
4.2.4.5 Supervisor Data Print ...............
174
4.2.4.6 Message Print .......................
174
4.2.4.7 Message Service ....................
175
4.2.4.8 Supervisory Reports .................
176
4.2.4.9 Engineering Position ................
181
4.2.5 Logging Functions .......................
183
4.2.6 Statistical Functions ...................
185
4.2.6.1 Incoming Message Statistics .........
185
4.2.6.2 Transmitted Message Statistics ......
186
4.2.6.3 Storage Occupancy Statistics ........
187
4.2.6.4 Channel Statistics ..................
187
4.2.6.5 System Actions Statistics ...........
188
4.2.6.6 Statistical Report Format ...........
188
4.2.7 Storage and Retrieval Functions .........
188
4.2.7.1 Storage .............................
188
4.2.7.2 Retrieval ...........................
189
4.2.8 System Initialization ...................
191
4.2.8.1 Initialization Procedure ............
191
4.2.8.2 Local System Data Base (LSDB) .......
193
4.2.8.3 Storage of the S/W and Data Required
for Initialization ..................
193
4.2.8.4 Storage of the System Programme and
Current Data Base ....................194
4.2.9 Recovery ................................
194
4.2.9.1 Information Integrity ...............
194
4.2.9.2 Scope of Recovery Procedure .........
195
4.2.9.3 Recovery Points .....................
195
4.2.9.4 Recovery Programme ..................
195
4.2.9.5 Recovery Actions ....................
196
4.2.9.6 Continuity of Message Traffic
after Failure .....................
197
4.2.9.7 Continuity of Stored Message
Information .........................
197
4.2.9.8 Continuity of the reporting
System ..............................
197
4.2.9.9 Continuity of System Data. ..........
198
4.2.9.10 Resumption of local transactions
after failure .....................
198
4.2.10 MC-Handling ...........................
198
4.2.10.1 Modes of Operation ................
199
4.2.10.2 Change-over Procedures ............
201
4.3 MPF HARDWARE SPECIFICATION ..................
203
4.3.1 Hardware Configuration ..................
206
4.3.2 Dualization Concept .....................
210
4.3.3 CR80 Processor System ...................
210
4.3.4 Watchdog Processor System ...............
211
4.3.5 Peripherals .............................
212
4.3.5.1 Visual Display Unit (VDU) ..........
212
4.3.5.2 Tempest Printer .....................
216
4.3.5.3 Non tempest printer .................
218
4.4 MESSAGE COMPILATION UNIT (MCU) ..............
219
4.4.1 General .................................
219
4.4.2 Compilation algorithm ...................
220
4.4.2.1 Character Status ....................
221
4.4.2.2 Channel Status .....................
222
4.4.3 MCU Design ..............................
223
4.4.4 Functional Description ..................
225
4.4.5 Interface Characteristics ...............
226
4.4.5.1 Modem Interface ......................
226
4.4.5.2 Crypto Interface ....................
227
4.4.5.3 MPF Interface .......................
227
4.4.6 Comparison with requirements ............
227
4.5 MAINTENANCE AND TEST FACILITIES .............
227
4.5.1 Maintenance Configuration Mode ...........
228
4.5.2 Software Development/Maintenance
Facilities................................
228
4.5.3 Hardware Maintenance Facilities ..........
228
4.5.4 System Test Facilities ...................
229
4.6 SOFTWARE SPECIFICATION ......................
229
4.6.1 Software Configuration ...................
229
4.6.2 System Software ..........................
234
4.6.2.1 Kernel ...............................
235
4.6.2.1.1 Resource Management ..............
236
4.6.2.1.2 Directory Functions ..............
236
4.6.2.1.3 Process Management and
Scheduling........................
236
4.6.2.1.4 Process Communication Facility ...
237
4.6.2.1.5 Memory Management ................
237
4.6.2.1.6 Device Management ................
238
4.6.2.1.7 Real Time Clock ..................
238
4.6.2.1.8 Error Processor ..................
238
4.6.2.1.9 Transfer Module ..................
238
4.6.2.2 Input Output Control (IOC) ...........
238
4.6.2.3 File Management System (FMS) .........
239
4.6.2.4 Message Management System (MMS) ......
241
4.6.2.5 Crossfox MC System Functions (CSF) ..
241
4.6.2.6 System Status and Control (SSC) .....
243
4.6.2.6.1 MC-Checkpoint Transmission .......
245
4.6.2.6.2 MC Checkpoint Reception .........
245
4.6.2.6.3 On-line Diagnostics ..............
246
4.6.2.6.4 Line Monitoring and Control ......
246
4.6.2.6.5 Reception of Technical Error
Reports...........................
246
4.6.2.6.6 Operator Commands to an on-line PU
247
4.6.2.6.7 Off-line PU-operation ............
248
4.6.2.6.8 Watchdog Firmware Functions ......
248
4.6.2.7 Table Management Package (TMP)........
249
4.6.3 Application Software ....................
250
4.6.3.1 Traffic Handling Package ...........
250
4.6.3.1.1 Traffic Handling Modules .......
252
4.6.3.2 Terminal Package .....................
255
4.6.3.2.1 Supervisor VDU Functions .........
256
4.6.3.2.2 MSO Function .....................
258
4.6.3.2.3 Printer Function .................
259
4.6.3.2.4 MCSF User Function ...............
260
4.6.3.3 Storage and Retrieval Package (SAR)
. 261
4.6.3.3.1 Functional Specifications .......
261
4.6.3.3.1.1 Storage of Messages .........
262
4.6.3.3.1.2 Online Retrieval ............
263
4.6.3.3.1.3 Off-line Retrieval ..........
263
4.6.3.3.1.4 Dump ........................
263
4.6.3.3.2 Retrieval keys ..................
263
4.6.3.3.3 Retrieval Catalogues ............
264
4.6.3.3.4 Retrieval Result ................
265
4.6.3.4 Log Package (LOG) ....................
265
4.6.3.4.1 Functional Breakdown ............
265
4.6.3.4.1.1 Log Collection Function .....
266
4.6.3.4.1.2 Log Trace Functions .........
266
4.6.3.5 Statistics Package (STP) ............
267
4.6.3.5.1 Statistics Collection ...........
267
4.6.3.5.2 Statistics Dump .................
270
4.6.3.5.3 Statistics Generation ............
271
4.6.3.5.4 Statistics Delivery .............
271
4.6.4 Support Software ........................
272
4.6.4.1 Support Software Package (SSP) ......
272
4.6.4.1.1 Software Development and Test ...
273
4.6.4.1.1.1 Language Processors ........
273
4.6.4.1.1.2 Text Processors .............
273
4.6.4.1.1.3 Development and Test Tools ..
274
4.6.4.1.1.4 Librarian ....................
274
4.6.4.1.2 Software System Support ..........
275
4.6.4.1.2.1 File Manipulation Programs ..
275
4.6.4.1.2.2 Directory Maintenance ........
275
4.6.4.1.2.3 High Level Operating System
. 275
4.6.4.1.2.4 Disk Manipulation Programs ..
276
4.6.4.1.3 Diagnostics Software .............
276
4.6.4.2 Off-Line Package (OLP) ...............
277
4.6.5 Security Considerations ..................
278
4.7 SYSTEM PERFORMANCE .........................
279
4.7.1 Message Traffic Flow ...................
280
4.7.2 Throughput ..............................
285
4.7.3 Storage ..................................
299
4.7.4 Timing ...................................
302
5. LINE CIRCUIT STANDARDS AND INTERFACES .........
307
5.1 NICS TARE ...................................
307
5.2 TAPE RELAY CENTER ...........................
308
5.3 BROADCAST CIRCUIT ...........................
308
5.4 SHIP-TO-SHORE Circuits ......................
309
5.5 MARITIME REAR LINK (MRL) ....................
310
5.6 CIRCUIT TO STANDBY MC .......................
311
5.7 TERMINAL CIRCUIT ............................
312
5.8 Electrical Characteristics of
Communication Ports .........................
312
5.9 Crypto Interface ............................
313
6. LOGISTICS SUPPORT .............................
314
6.1 TRANSPORTATION AND INSTALLATION .............
314
6.1.1 Requirement Analysis ....................
314
6.1.2 Installation Planning ...................
315
6.1.3 Site Surveys ............................
316
6.1.4 Transportation and Installation Plan ....
316
6.1.5 Site Preparation Requirements ..........
317
6.1.6 Equipment Installation Drawings .........
318
6.1.7 Site Readiness Verification .............
318
6.1.8 Transportation ..........................
318
6.1.9 Site Installation .......................
323
6.1.10 Typical Layout .........................
323
6.2 DOCUMENTATION ................................
329
6.2.1 Management and Organization ..............
329
6.2.2 Documentation Overview ...................
330
6.2.2.1 Equipment Handbooks ..................
330
6.2.2.2 Maintenance Manual ...................
330
6.2.2.3 System Handbook ......................
331
6.2.2.4 Operator Handbook ....................
331
6.3 MAINTENANCE AND SUPPORT ......................
332
6.3.1 Requirements Analysis ....................
332
6.3.2 Maintenance ..............................
333
6.3.2.1 Maintenance Planning .................
333
6.3.2.2 Maintenance Documentation ............
335
6.3.2.3 Maintenance Activities ...............
335
6.3.3 Support ..................................
336
6.3.3.1 Hardware Support ....................
336
6.3.3.2 Software Support .....................
336
6.3.3.3 Other Support ........................
337
6.4 SPARES AND CODIFICATION ......................
337
6.4.1 Requirements Analysis ....................
337
6.4.2 Spares Management ........................
338
6.4.3 RSPL ....................................
338
6.5 TRAINING .....................................
341
6.5.1 Training Requirements Analysis ...........
341
6.5.2 Training Plans ...........................
341
6.5.3 Course Overview ..........................
341
6.5.3.1 Hardware Maintenance Course ..........
342
6.5.3.2 Software Maintenance Course ..........
342
6.5.3.3 OJT Courses .........................
343
6.5.4 Training Materials .......................
344
6.5.4.1 Training Plan ........................
344
6.5.4.2 Instructor's Text Book ...............
344
6.5.4.3 Handbooks ............................
344
6.5.4.4 Training Handbooks and
Documentation ........................
347
6.5.4.5 Visual Aids .........................
347
6.5.4.6 Models and Demonstration Equipment ...
347
6.5.5 Training Techniques ......................
347
6.6 TOOLS AND TEST EQUIPMENT ....................
349
6.6.1 Requirements Analysis ...................
349
6.6.2 MS Faultfinding Philosophy ..............
349
6.6.3 On-Site Tools and Test Equipment ........
349
6.6.4 Depot Tools and Test Equipment ..........
350
6.6.4.1 Proposed Test Philosophy. ...........
350
6.6.4.2 Test Equipment ......................
350
6.6.4.3 NATO Owned Test Equipment ...........
351
7 ACCEPTANCE TEST PROGRAM PLAN ...................
352
7.1 GENERAL ....................................
352
7.1.1 Verification Procedures ................
352
7.1.2 Product Assurance Provisions ...........
353
7.1.3 First Article Qualification Tests ......
353
7.2 FACTORY QUALIFICATION AND PROVING TEST .....
354
7.2.1 Hardware Functional Verificaiton .......
354
7.2.2 Environmental Verification .............
354
7.2.3 Software Functional Verification .......
354
7.2.4 MPF Subsystem Verification .............
354
7.2.5 Reliability and Maintainability
Verification ...........................
355
7.2.5.1 Hardware Reliabilty Verification .....
355
7.2.5.2 Software Reliability Verification ..
356
7.2.5.3 Hardware Maintainability
Verification .......................
356
7.2.5.4 Software Maintainability
Verification ......................
356
7.3 FACTORY POST PRODUCTION TEST (FPPT) .........
357
7.4 ON SITE TESTS ...............................
357
7.4.1 Site Provisional Acceptance Test ........
357
7.4.2 Subnetwork Test .........................
357
7.4.3 Overall System Acceptance Test ..........
358
8 OPTIONS .........................................
360
8.1 TEMPEST CLEARED VDU .........................
360
7.3 FACTORY POST PRODUCTION TEST ................
356
7.4 ON SITE TESTS ...............................
356
7.4.1 Provisional Site Acceptance Test .......
356
7.4.2 Subnetwork Test ........................
356
7.4.3 Overall System Acceptance Test .........
357
8. OPTIONS .......................................
359
8.1 TEMPEST CLEARED VDU .........................
359
ANNEX A ACP 126 INTERPRETATION
ANNEX B ACP 126 INTERPRETATION
ANNEX C DATASHEETS
ANNEX D PRELIMINARY TOOLS AND TEST EQUIPMENT
