Health Management Developer's Manual

P/N 6689-11
Version

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Table of Contents

About This Manual

1 Introduction

1.1 Overview
1.2 System Requirements

2 Redundant Signaling Subsystem Architecture

2.1 Definitions and Terminology
2.2 Reference Configurations
2.2.1 Single-Node Configuration
2.2.2 Dual-Node Configuration
2.2.3 Standalone Configuration
2.3 Software Architecture
2.3.1 SS7 Message Transfer Part (MTP)
2.3.2 SS7 ISUP
2.3.3 SS7 SCCP
2.3.4 SS7 TCAP
2.3.5 TX Monitor (txmon)
2.3.6 Health Management Interface (HMI)
2.3.7 Health Management API (HM-API)
2.4 Functional Description
2.4.1 Board State Model
2.4.2 Redundant Signaling Subsystem Initialization
2.4.3 Failure Detection and Recovery
2.5 Hot Swap Support
2.6 Configuration and Management
2.6.1 Configuration Utilities and APIs
2.6.2 Control, Status, and Statistics
2.6.3 Alarms

3 Health Management Interface

3.1 HMI Service Description
3.2 HMI Programming Model
3.2.1 Unsolicited Status Events
3.2.2 Application Requests
3.3 API Functions and Events
3.3.1 ctaOpenServices
3.3.2 Events
3.3.3 Sample Setup

4 Function Reference

4.1 Introduction
hmiBackup
hmiHaltBoard
hmiLoadBoard
hmiPrimary
hmiReset
hmiShutdown
hmiStandalone
hmiStart
hmiStatusReq
hmiStop

5 Developing Redundant Applications

5.1 Introduction
5.2 SS7 ISUP
5.2.1 Checkpointing Strategies for ISUP Applications
5.2.2 Checkpoint Information
5.2.3 Other Application Issues
5.3 SS7 TCAP
5.3.1 TCAP Redundancy Support
5.3.2 Handling TCAP Traffic
5.3.3 Redundancy Indications
5.3.4 Application Operations

6 Setting Up a Redundant System

6.1 Board Installation and Cabling
6.2 Configuration
6.2.1 HMI Configuration
6.2.2 ss7load Script Configuration
6.2.3 MTP Configuration
6.2.4 ISUP, TCAP, and SCCP Configuration
6.3 Running the HMI service
6.3.1 Windows NT
6.3.2 UNIX
6.4 Bringing up a Redundant System
6.4.1 Starting txalarm
6.4.2 Loading and Setting Board States
6.4.3 Starting Data Traffic

Appendix A Glossary

Appendix B RMG Sample Application

Introduction
RMG State Model
RMG Process Functional Description
Startup/Initialization
Failure Detection and Recovery
Running the RMG Sample Application
Commands
Tracing

Appendix C ISUP Sample Application

Overview
Data Structures
Checkpoint Message Structure
Event Structure
Circuit Control Structure
Threads
Events
ISUP to Circuit
Circuit to Circuit
UDP to Circuit
UDP to ISUP
HMI to ISUP
Program Operation
Program Startup
Primary Startup
Backup Startup
Normal Incoming Call
Incoming Test Call
Outgoing Test Call
Running the isupdemo Program
Command Line Options
User Interface Commands

Appendix D TCAP Sample Application

Overview
Data Structures and File
Checkpoint Message Structure
Transaction Structure
The Commands.800 File
Threads
UDP to TCAP Event
Running the TCAPdemo Program
Command Line Options

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