GR 2878 CORE : ISSUE 4
Current
The latest, up-to-date edition.
GENERIC REQUIREMENTS FOR CCS NODES SUPPORTING ATM HIGH-SPEED SIGNALING LINKS (HSLS)
01-12-2013
Preface
1 Introduction
1.1 Purpose
1.2 Scope
1.3 Related Documents
1.4 Organization of This Document
1.5 Requirements Terminology
1.6 Requirement Labeling Conventions
1.6.1 Numbering of Requirement and Related Objects
1.6.2 Requirement, Conditional Requirement, and
Objective Object Identification
2 Signaling Overview
2.1 SS7 and ATM Protocol Architecture Overview
2.1.1 Physical Layer
2.1.2 ATM Layer
2.1.3 Signaling ATM Adaptation Layer (SAAL)
2.2 High-Speed Signaling Links in the CCS Networks-
Topology Overview
3 Network Element Requirements
3.1 ATM and Physical Layer Requirements
3.1.1 ATM Layer Requirements
3.1.2 Physical Layer Requirements
3.2 Signaling ATM Adaptation Layer (SAAL) Requirements
3.2 Signaling ATM Adaptation Layer (SAAL) Requirements
3.2.1 AAL Type 5 Common Part
3.2.2 SSCOP-Related Requirements
3.2.3 SSCF-Related Requirements
3.2.4 Layer Management-Related Requirements
3.2.5 Other - SAAL Related Requirements
3.2.6 SAAL Timer and Parameter Values
3.3 Message Transfer Part - Layer 3
3.3.1 Signaling Message Handling
3.3.2 MTP Network Management Functions
3.3.3 SCCP Functions
4 Node Operations Requirements
4.1 General
4.1.1 Scope and Organization of the HSL Operations
Requirements
4.1.2 General Considerations and Related
Operations Requirements
4.2 Configuration of Common Link Parameters
4.2.1 Configuration of Common Link Parameters
4.2.2 Configurable Parameters: Physical Layer
Interface (DS1)
4.2.3 Configurable Parameters: ATM Layer
4.2.4 Configurable Parameters: SAAL (SCCOP/SSCF/
Layer Management)
4.2.5 MTP3 Link Congestion Thresholds
4.2.6 Link Parameter Administration: Data
Operations
4.2.7 Summary of HSL Configurable Parameters
4.3 In-band Operations Flows
4.3.1 Physical Layer Operations Flows: DS1-Level
4.3.2 ATM-Layer Operations Flows
4.4 Fault Management (Maintenance)
4.4.1 Link Event Notification Functions
4.4.2 Link Status Logging
4.4.3 Lower-Layer Fault-Management Surveillance
Functions
4.4.4 Link Testing Functions
4.4.5 Link Control Functions (Removal from Service)
4.5 Performance Management (Maintenance and Network
Traffic Management)
4.5.1 Scheduled Link Performance Measurements
4.5.2 Exception-Based Performance Monitoring
4.5.3 Management-Initiated Performance Monitoring
4.6 Network Data Collection (NDC)
4.6.1 MTP Level 3 Link Traffic and Performance
Measurements (30 Minute)
4.6.2 SAAL-Level Measurement: 30-minutes
4.6.3 ATM-Cell Traffic Measurements
4.6.4 Additional Measurement Requirements
5 Operations Interface Support
5.1 General
5.2 Configuration Management/Memory Administration OS
Interface Support
5.2.1 For STPs (GR-310-CORE)
5.2.2 For Other CCS Node Types
5.3 Maintenance OS Interface Support
5.3.1 For Fault Management Functions
5.3.2 For Performance Management Functions
5.4 Network Traffic Management (NTM) OS Interface
Support
5.4.1 For All CCS Node Types (GR-495-CORE)
5.4.2 For STPs (GR-310-CORE)
5.4.3 Consideration For CCS SOs/SSPs
5.5 Network Data Collection (NDC) OS Interface Support
5.5.1 For All CCS Node Types (GR-376-CORE)
5.5.2 for STPs (GR-310-CORE)
5.5.3 For SCPs (TA-NWT-000365)
5.5.4 For CCS SOs/SSOs (FSD 45-09-0100)
5.6 User-System Interface (USI) Support (TR-TSY-
000825)
6 Performance
6.1 Reliability
6.2 Network Performance Parameters and Objectives
6.2.1 Parameters Related to Message Transfer Part
6.2.2 Message Transfer Times
6.2.3 SAAL Performance
6.2.4 ATM Layer Performance
6.3 Capacity
7 Environmental Requirements
7.1 Power
7.2 Equipment
7.3 Electromagnetic and Electrical Environment
8 Quality
8.1 Introduction
8.2 Reliability and Quality Switching Systems Generic
Requirements
8.2.1 System Design and Architecture
8.2.2 Manufacturing and Production
8.2.3 In-Service Performance and Product Support
9 Transitional Consideration
10 Supplier Support
10.1 Documentation on Operations
10.2 Software Documentation
Appendix A: Guidelines for Peer-to-Peer Credit Control and
Receive Buffer Sizing
A.1 SAAL Flow-Control Mechanism
A.2 Credit Assignment Schemes
A.3 Basic Credit Requirements
A.4 Impact of Level 3 Capacity on Credit Allocation
A.5 Impact of Message Size
A.6 Guidelines
Appendix B: Overview of SAAL Error Monitors
B.1 SAAL Error Monitor
B.2 Proving Algorithm
Appendix C: Analysis of HSL Transmit Congestion Thresholds
C.1 Link Transmit Congestion Control
C.1.1 STP-STP HSL Transmit Congestion
C.1.2 STP-SCP HSL Transmit Congestion
C.2 Message Size Sensitivity of BufferThresholds
References
Glossary
Acronyms
Requirement-Object Index
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