Rec. ITU-T G.874 (10/2020) Management aspects of optical transport network elements
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
          3.1.1 Terms defined in [ITU-T G.784]
               3.1.1.1 Data communication channel (DCC).
          3.1.2 Terms defined in [ITU-T G.806]
               3.1.2.1 Atomic function.
               3.1.2.2 Management point (MP).
          3.1.3 Terms defined in [ITU-T G.870]
               3.1.3.1 Intra-domain interface (IaDI).
               3.1.3.2 Inter-domain interface (IrDI).
          3.1.4 Terms defined in [ITU-T G.7710]
               3.1.4.1 Local craft terminal (LCT).
               3.1.4.2 Management application function (MAF).
          3.1.5 Terms defined in [ITU-T G.7712]
               3.1.5.1 Data communication network (DCN).
               3.1.5.2 Embedded communication channel (ECC).
          3.1.6 Terms defined in [ITU-T M.60]
               3.1.6.1 Message communication function (MCF).
          3.1.7 Terms defined in [ITU-T M.3010]
               3.1.7.1 Network element.
               3.1.7.2 Network element function.
               3.1.7.3 Operations system (OS).
               3.1.7.4 Q interface.
               3.1.7.5 Workstation function.
          3.1.8 Terms defined in [ITU-T M.3100]
               3.1.8.1 Aggregate audible/visual indicators.
               3.1.8.2 Alarm reporting.
               3.1.8.3 Alarm reporting control.
               3.1.8.4 Inhibited.
               3.1.8.5 Managed entity.
               3.1.8.6 Managed resource.
               3.1.8.7 Managed resource-specific/unit audible/visual indicator.
               3.1.8.8 Management interface.
               3.1.8.9 Persistence interval.
               3.1.8.10 Qualified problem.
               3.1.8.11 Timed interval.
          3.1.9 Terms defined in [ITU-T X.700]
               3.1.9.1 Managed object.
          3.1.10 Terms defined in [ITU-T X.701]
               3.1.10.1 Agent.
               3.1.10.2 Managed object class.
               3.1.10.3 Manager.
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Optical transport network management architecture
     6.1 OTN management network architecture
          6.1.1 Relationship between telecommunications management network, O.MN and O.MSN
          6.1.2 Access to the O.MSN
          6.1.3 O.MSN requirements
               6.1.3.1 General communication channels
                    6.1.3.1.1 General communication channel physical characteristics
                    6.1.3.1.2 GCC data link layer protocol
                    6.1.3.1.3 Support of the management communication network and signalling communication network separation
               6.1.3.2 General management communications overhead
                    6.1.3.2.1 COMMS OH physical characteristics
                    6.1.3.2.2 COMMS OH data link layer protocol
          6.1.4 O.MSN data communications network
          6.1.5 Management of data communication network
          6.1.6 Remote log-in
          6.1.7 Relationship between technology domains
     6.2 Optical transport network equipment management architecture
     6.3 Information flows over management points
7 Fault management
     7.1 Fault management applications
          7.1.1 Supervision
               7.1.1.1 Transmission supervision
               7.1.1.2 Quality of service supervision
               7.1.1.3 Processing supervision
               7.1.1.4 Hardware supervision
               7.1.1.5 Environment supervision
          7.1.2 Fault cause validation
          7.1.3 Alarm handling
               7.1.3.1 Severity assignment
               7.1.3.2 Alarm reporting control
               7.1.3.3 Reportable failures
               7.1.3.4 Alarm surveillance
                    7.1.3.4.1 Local reporting
                    7.1.3.4.2 Telecommunications management network reporting
     7.2 Fault management functions
          7.2.1 Fault cause persistency function
          7.2.2 Severity assignment function
          7.2.3 Alarm reporting control function
          7.2.4 Reportable failure function
          7.2.5 Unit alarm function
          7.2.6 Network element alarm function
          7.2.7 Station alarm function
          7.2.8 Telecommunications management network event pre-processing function
          7.2.9 Alarm synchronization function
          7.2.10 Logging function
          7.2.11 Telecommunications management network alarm event notification function
          7.2.12 Current problem list function
          7.2.13 Alarm status function
          7.2.14 Operational state function – OPS
8 Configuration management
     8.1 Hardware
     8.2 Software
     8.3 Protection switching
     8.4 Trail termination
     8.5 Adaptation
     8.6 Connection
     8.7 DEG thresholds
     8.8 ZZZ_Reported
     8.9 Alarm severity
     8.10 Alarm reporting control
     8.11 Performance management thresholds
     8.12 Tandem connection monitoring activations
     8.13 Date and time
          8.13.1 Date and time applications
               8.13.1.1 Time stamping
               8.13.1.2 Performance monitoring clock signals
               8.13.1.3 Activity scheduling
          8.13.2 Date and time functions
               8.13.2.1 Local real-time clock function
               8.13.2.2 Local real-time clock alignment function with external time reference
               8.13.2.3 Performance monitoring clock function
     8.14 Control function
     8.15 Application identifier management
     8.16  Media element management
9 Account management
10 Performance management
     10.1 Performance management applications
          10.1.1 Concepts of near-end and far-end
          10.1.2 Maintenance
          10.1.3 Bringing-into-service
          10.1.4 Quality of service
          10.1.5 Availability
          10.1.6 Reporting
               10.1.6.1 Performance data collection
               10.1.6.2 History storage suppression
          10.1.7 Thresholding
               10.1.7.1 Threshold setting
               10.1.7.2 Threshold reporting
               10.1.7.3 Evaluation for counters
               10.1.7.4 Evaluation for gauges
          10.1.8 Delay measurement requirements
     10.2 Performance management functions
11 Security management
Appendix I  Management information for configuration management
Appendix II  Management information for performance management
Appendix III  Mapping between OPUk payload type and adaptation atomic function