GR 2954 CORE : ISSUE 1

1. Introduction
    1.1. Business Drivers
           1.1.1 Proactive Maintenance
           1.1.2 Service Quality Verification
    1.2 Overview of the TMN Functional Architecture
    1.3 Purpose and Scope
    1.4 Audience
    1.5 Document Organization
    1.6 Requirements Terminology
    1.7 Requirement Labeling Conventions
           1.7.1 Numbering of Requirement and Related Objects
           1.7.2 Requirement and Objective Identification
2. Basic Principles
    2.1 Performance Management
           2.1.1 Traffic Performance Management
           2.1.2 Transport Performance Management
           2.1.3 Performance Management of NEs
    2.2 Description of Performance Monitoring
    2.3 What the NE Provides
    2.4 Performance Management Systems in the TMN Environment
    2.5 Usess of Performance Management Information
           2.5.1 Proactive Maintenance
           2.5.2 Service Verification
    2.6 TMN Management Application Functions
3. Network Resource Entities and Terminology
    3.1 TMN Layers and Their Domains
    3.2 EML-NML Interface Indication Terminology
    3.3 Network Resource Entities
           3.3.1 Network Elements
           3.3.2 Monitoring Points
           3.3.3 Trails
           3.3.4 Facilities
           3.3.5 Circuits
           3.3.6 Service Instances
4. Element Management Layer
    4.1 NE(s) Performance Characterization
           4.1.1 Performance Parameters
           4.1.2 Data Collection Intervals
           4.1.3 Threshold Crossing Alerts
    4.2 Performance Administration
           4.2.1 NE Threshold Setting
           4.2.2 Control of Raw Performance Monitoring Data
                     Collection
    4.3 NE(s) TCA Processing
           4.3.1 Suppression of TCA Processing During Failures
           4.3.2 Root Cause Impairment Analysis
           4.3.3 Impairment Persistence Determination
           4.3.4 Reporting of Impairment Indications
    4.4 Performance Monitoring Data Accumulation
           4.4.1 Performance Data Logging
           4.4.2 Reporting of Data to Upstream Systems
    4.5 NE(s) Trend Analysis
           4.5.1 An Approach to Pattern Recognition
           4.5.2 Characterization and Reporting of Trend Indications
           4.5.3 A Pattern Definition Example
           4.5.4 Correlation of Trend Indications With Impairment
                     Indications
5. Network Management Layer
    5.1 Data Aggregation and Trending
    5.2 Network Performance Monitoring Event Correlation and Filtering
           5.2.1 Correlation of Impairment Indications Along
                     A Trail
           5.2.2 Correlation of Impairment Indications Among
                     Related Trails
           5.2.3 Correlation Window
           5.2.4 Correlation of Trend Indications with Impairment
                     Indications
           5.2.5 Correlation and Filtering of Impairment Update
                     and Clear Messages
           5.2.6 Uncovering Masked Impairments
     5.3 Circuit Specific Data Collection
           5.3.1 Monitored Circuits
           5.3.2 Type of Data Collected
           5.3.3 Performance Parameters Collected
     5.4 Network Performance Characterization
           5.4.1 Availability and Error-Free Seconds
           5.4.2 Background Block Error Ratio
           5.4.3 Bit Error Ratio
           5.4.4 Other QOS Metrics
           5.4.5 QOS Measurement Intervals
           5.4.6 Network Level QOS Performance Reporting
6. Service Management Layer
     6.1 QOS Performance Assessment
           6.1.1 Performance Monitoring and Maintenance-Based
                     QOS Metrics
           6.1.2 Monitored Services
           6.1.3 Services Provided by a Single Path
           6.1.4 Services Provided by Multiple Paths
           6.1.5 Maintenance-Based QOS Metrics
           6.1.6 QOS for Bundled Services
           6.1.7 QOS Performance Metric Requirements
           6.1.8 Comparison of Observed QOS to QOS Objectives
           6.1.9 Exception Reporting
      6.2 Customer Service Performance Summary
      6.3 Subscriber Service Quality Criteria
References
Acronyms
Glossary