uchok
2013-03-14, 01:12 AM
Sigtran Method of Procedure for MSS and RAN
Abstract
This document describes the SS7 over IP signalling network implementation guidelines to be used during introduction of SIGTRAN in MSS and radio access network.
Note : "Example DT and Scripts are attached in Appendix section"
Contents
1 General 6
1.1 Scope 7
1.2 Assumptions 7
1.3 Limitations 7
1.4 Notation 8
1.5 Revision Information 8
2 Terminology & Concepts 8
2.1 SIGTRAN Terminology 8
2.2 Protocol Stacks 12
2.3 SIGTRAN Capacity 12
3 Pre-requisites, Requirements and Preparations 14
3.1 SIGTRAN MPBN Requirements 14
3.2 Multi-Operator Core Network (MOCN) Consideration 16
3.3 Other Requirements 17
4 SIGTRAN Parameters Introduction 18
4.1 SCTP Timers and Counters for Path Handling 18
4.2 SCTP Buffers and Windows 20
4.3 SCTP Maximum Transmission Unit 21
4.4 SCTP Number of Streams 21
4.5 Differentiated Services Code Point (DSCP) 22
4.6 SCTP association behavior mode 23
4.7 SCTP Bundling 23
4.8 SCTP Port Number 23
4.9 IP Address Allocation for SIGTRAN 23
4.10 M3UA and C7 MTP Routing Reconfiguration Timers 24
5 SIGTRAN Network Design Considerations 25
5.1 Resilience and Redundancy 25
5.2 Load Distribution 26
5.3 Limit the load on SGws 27
5.4 Other Signalling Network Design Issues 29
6 Recommended Site and Network Structure 30
6.1 Recommended Redundancy Options 31
6.2 SS7 Networking Strategies 31
6.3 IP Addressing for SIGTRAN 32
7 Example Network 35
8 SIGTRAN Implementation in Different Platforms 37
8.1 SIGTRAN in AXE Based Products 37
8.2 SIGTRAN in CPP based products 39
9 SIGTRAN in MSC/TSC Server 44
9.1 Introduction 44
9.2 Implementation Strategies 45
9.3 Entry Criteria 45
9.4 Integration 46
9.4.1 Parameter Setting Recommendations 46
9.4.2 Size Alterations 51
9.4.3 Configuration of Hardware 52
9.4.4 IP Layer 54
9.4.5 SCTP Layer 56
9.4.6 M3UA Layer 62
9.4.7 Configuration of M3UA and Upper Layers (SCCP) 67
9.5 Health Checks and Verifications 71
9.5.1 Post Integration Test Conditions 71
9.5.2 Verification 73
9.6 Termination 75
9.6.1 Traffic Termination 76
9.6.2 Signalling Route Deletion 79
9.6.3 Termination of Local Nodes 80
9.7 Operation and Maintenance 83
9.7.1 Event Reporting and Disturbance Supervision 83
9.7.2 SIGTRAN Performance Management 94
9.8 GCP over SCTP 97
9.8.1 Introduction 97
9.8.2 GCP over SCTP Definition in MSC Server 98
9.9 Primary Rate Access in MSC server 99
9.9.1 IP Port Configuration 100
9.9.2 Configuration of SCTP Layer 100
9.9.3 Configuration of IUA layer 101
9.9.4 Verification of the MGW details 101
9.9.5 Configuration of ISDN devices 101
9.9.6 Traffic Initialization 102
10 SIGTRAN in HLR/FNR 103
10.1 Introduction 103
10.2 Recommended Implementation Strategies 105
10.3 Entry Criteria 106
10.4 Integration 106
10.4.1 Change HLR Exchange properties 106
10.4.2 Define M3UA data 107
10.4.3 Define SCCP analysis data 107
10.5 Operation and Maintenance 109
11 Signalling over IP in M-MGW 109
11.1 Introduction 110
11.1.1 SIGTRAN Stack in M-MGW 111
11.1.2 Multiple Signalling Points 111
11.1.3 Dual Stack Configuration 112
11.1.4 Triple IP Host Configuration 113
11.2 Recommended Implementation Strategies 113
11.3 Entry Criteria 114
11.4 Integration 115
11.4.1 Configuration of IP Layer 115
11.4.2 Configuration of SCTP layer 123
11.4.3 Configuration of M3UA and upper layers 127
11.4.4 SGw Management Mapping (M3UA Agent) 133
11.5 Configuration of GCP over SCTP 142
11.5.1 GCP transport over SCTP 142
11.6 Configuration of IUA over SCTP 146
11.6.1 Managed Objects 146
11.6.2 Steps involved in setting up IUA over SCTP 147
11.7 Health Checks and Verifications 150
11.7.1 Health Check 150
11.7.2 MH SCTP verification 151
11.8 Operation and Maintenance 153
11.8.1 MGW Alarm/Event log 153
11.8.2 Performance Measurement 154
12 SIGTRAN in BSC 157
12.1 Introduction 157
12.2 Recommended Implementation Strategies 157
12.2.1 Fail-over or Load-sharing Between SIGTRAN and Nb/HSL 158
12.2.2 Fault Resilience 158
12.3 Entry Criteria 159
12.4 Integration 159
12.4.1 Parameter Setting Recommendations 159
12.4.2 Size Alterations 162
12.4.3 Configuration of Hardware 163
12.4.4 Configuration of IP layer 165
12.4.5 Configuration of SCTP Layer 167
12.4.6 Configuration of M3UA and Upper Layers (SCCP) 169
12.4.7 Traffic Initialisation 172
12.5 Health Checks and Verifications 173
12.6 Termination 173
12.7 Operation and Maintenance 173
13 SIGTRAN in RNC 173
13.1 Introduction 173
13.2 Recommended Implementation Strategies 175
13.3 Entry Criteria 176
13.4 Integration 176
13.4.1 Hardware Configuration 176
13.4.2 Configuration of IP layer 176
13.4.3 Configuration of SCTP layer 181
13.4.4 Configuration of M3UA and upper layers 183
13.5 Health Checks and Verifications 188
13.5.1 IP Layer 188
13.5.2 SCTP Layer 188
13.5.3 M3UA Layer 188
13.5.4 SCTP Verification 189
13.6 Operation and Maintenance 189
14 References 189
14.1 CPI Database 190
14.2 Useful Tools 190
15 Appendix 191
15.1 SIGTRAN Integration with Other Vendor's Equipment 191
15.2 Example SIGTRAN Network Design 192
15.3 DT and Scripts for Example Network 192
15.4 Known Issues and Solutions 192
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Abstract
This document describes the SS7 over IP signalling network implementation guidelines to be used during introduction of SIGTRAN in MSS and radio access network.
Note : "Example DT and Scripts are attached in Appendix section"
Contents
1 General 6
1.1 Scope 7
1.2 Assumptions 7
1.3 Limitations 7
1.4 Notation 8
1.5 Revision Information 8
2 Terminology & Concepts 8
2.1 SIGTRAN Terminology 8
2.2 Protocol Stacks 12
2.3 SIGTRAN Capacity 12
3 Pre-requisites, Requirements and Preparations 14
3.1 SIGTRAN MPBN Requirements 14
3.2 Multi-Operator Core Network (MOCN) Consideration 16
3.3 Other Requirements 17
4 SIGTRAN Parameters Introduction 18
4.1 SCTP Timers and Counters for Path Handling 18
4.2 SCTP Buffers and Windows 20
4.3 SCTP Maximum Transmission Unit 21
4.4 SCTP Number of Streams 21
4.5 Differentiated Services Code Point (DSCP) 22
4.6 SCTP association behavior mode 23
4.7 SCTP Bundling 23
4.8 SCTP Port Number 23
4.9 IP Address Allocation for SIGTRAN 23
4.10 M3UA and C7 MTP Routing Reconfiguration Timers 24
5 SIGTRAN Network Design Considerations 25
5.1 Resilience and Redundancy 25
5.2 Load Distribution 26
5.3 Limit the load on SGws 27
5.4 Other Signalling Network Design Issues 29
6 Recommended Site and Network Structure 30
6.1 Recommended Redundancy Options 31
6.2 SS7 Networking Strategies 31
6.3 IP Addressing for SIGTRAN 32
7 Example Network 35
8 SIGTRAN Implementation in Different Platforms 37
8.1 SIGTRAN in AXE Based Products 37
8.2 SIGTRAN in CPP based products 39
9 SIGTRAN in MSC/TSC Server 44
9.1 Introduction 44
9.2 Implementation Strategies 45
9.3 Entry Criteria 45
9.4 Integration 46
9.4.1 Parameter Setting Recommendations 46
9.4.2 Size Alterations 51
9.4.3 Configuration of Hardware 52
9.4.4 IP Layer 54
9.4.5 SCTP Layer 56
9.4.6 M3UA Layer 62
9.4.7 Configuration of M3UA and Upper Layers (SCCP) 67
9.5 Health Checks and Verifications 71
9.5.1 Post Integration Test Conditions 71
9.5.2 Verification 73
9.6 Termination 75
9.6.1 Traffic Termination 76
9.6.2 Signalling Route Deletion 79
9.6.3 Termination of Local Nodes 80
9.7 Operation and Maintenance 83
9.7.1 Event Reporting and Disturbance Supervision 83
9.7.2 SIGTRAN Performance Management 94
9.8 GCP over SCTP 97
9.8.1 Introduction 97
9.8.2 GCP over SCTP Definition in MSC Server 98
9.9 Primary Rate Access in MSC server 99
9.9.1 IP Port Configuration 100
9.9.2 Configuration of SCTP Layer 100
9.9.3 Configuration of IUA layer 101
9.9.4 Verification of the MGW details 101
9.9.5 Configuration of ISDN devices 101
9.9.6 Traffic Initialization 102
10 SIGTRAN in HLR/FNR 103
10.1 Introduction 103
10.2 Recommended Implementation Strategies 105
10.3 Entry Criteria 106
10.4 Integration 106
10.4.1 Change HLR Exchange properties 106
10.4.2 Define M3UA data 107
10.4.3 Define SCCP analysis data 107
10.5 Operation and Maintenance 109
11 Signalling over IP in M-MGW 109
11.1 Introduction 110
11.1.1 SIGTRAN Stack in M-MGW 111
11.1.2 Multiple Signalling Points 111
11.1.3 Dual Stack Configuration 112
11.1.4 Triple IP Host Configuration 113
11.2 Recommended Implementation Strategies 113
11.3 Entry Criteria 114
11.4 Integration 115
11.4.1 Configuration of IP Layer 115
11.4.2 Configuration of SCTP layer 123
11.4.3 Configuration of M3UA and upper layers 127
11.4.4 SGw Management Mapping (M3UA Agent) 133
11.5 Configuration of GCP over SCTP 142
11.5.1 GCP transport over SCTP 142
11.6 Configuration of IUA over SCTP 146
11.6.1 Managed Objects 146
11.6.2 Steps involved in setting up IUA over SCTP 147
11.7 Health Checks and Verifications 150
11.7.1 Health Check 150
11.7.2 MH SCTP verification 151
11.8 Operation and Maintenance 153
11.8.1 MGW Alarm/Event log 153
11.8.2 Performance Measurement 154
12 SIGTRAN in BSC 157
12.1 Introduction 157
12.2 Recommended Implementation Strategies 157
12.2.1 Fail-over or Load-sharing Between SIGTRAN and Nb/HSL 158
12.2.2 Fault Resilience 158
12.3 Entry Criteria 159
12.4 Integration 159
12.4.1 Parameter Setting Recommendations 159
12.4.2 Size Alterations 162
12.4.3 Configuration of Hardware 163
12.4.4 Configuration of IP layer 165
12.4.5 Configuration of SCTP Layer 167
12.4.6 Configuration of M3UA and Upper Layers (SCCP) 169
12.4.7 Traffic Initialisation 172
12.5 Health Checks and Verifications 173
12.6 Termination 173
12.7 Operation and Maintenance 173
13 SIGTRAN in RNC 173
13.1 Introduction 173
13.2 Recommended Implementation Strategies 175
13.3 Entry Criteria 176
13.4 Integration 176
13.4.1 Hardware Configuration 176
13.4.2 Configuration of IP layer 176
13.4.3 Configuration of SCTP layer 181
13.4.4 Configuration of M3UA and upper layers 183
13.5 Health Checks and Verifications 188
13.5.1 IP Layer 188
13.5.2 SCTP Layer 188
13.5.3 M3UA Layer 188
13.5.4 SCTP Verification 189
13.6 Operation and Maintenance 189
14 References 189
14.1 CPI Database 190
14.2 Useful Tools 190
15 Appendix 191
15.1 SIGTRAN Integration with Other Vendor's Equipment 191
15.2 Example SIGTRAN Network Design 192
15.3 DT and Scripts for Example Network 192
15.4 Known Issues and Solutions 192
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