Telecom Man Network
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Transcript of Telecom Man Network
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TMN: Telecommunications Management NetworksSaad Haj Bakry, PhD, CEng, FIEEPRESENTATIONS IN NETWORK MANAGEMENT
Saad Haj Bakry, PhD, CEng, FIEE
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Objectives / Contents Introducing TMN
TMN Nodes
TMN InterfacesSupportTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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TMN: Emergence Birth: 1988 by the CCITT (ITU-T)
First Implementation of TMN Interfaces:1992 (ITU-T)
Current State:Continued Support (Standards / Products)TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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TMN: Basic Concept TMN: Telecommunications Management Networks
Managed SystemTelecommunications NetworksManaging SystemTMN: Management is performed by a cooperating set of systems (Network of Systems).PurposeAccommodating Diverse Technologies (Multi-Vendors)HowUsing Standard Interfaces
Saad Haj Bakry, PhD, CEng, FIEE
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TMN: Operation Principle TMN: Telecommunications Management Networks
Objective Concerned with: Operation, Administration, Maintenance, and Provisioning (OAM&P).InteractionManaged Systems: (Using) Network Elements (NEs)Managing Systems: Operation Systems (OSs)Interaction: Standard Interfaces
Saad Haj Bakry, PhD, CEng, FIEE
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TMN: Structure TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Nodes: Operation System (OS)Definition: The TMN Supervisory & Control System
Functionality Layers:Business / (Application) ManagementService ManagementNetwork ManagementElement Management TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Nodes: Work Station (WS)Definition: TMN Human Site
Function:Provides Presentation Functions to theManager.TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Nodes: Mediation Device (MD) & Q-Adaptor (QA) Definition: MD / QA are adaptors(QA Connects TMN Systems to Non-TMN systems)
Operations:Storage, Adaptation, Filtering, Thresh-holding, Condensing, Data from Subtending Equipment.TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Nodes: Network Element (NE)Location: NE resides in the Managed Telecom Network to Handle Traffic (Not Management)
Operation:Origin & Destination of management Supervision & Control.TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Data Communication Network: DCNDefinition: TMN Communication Network Between Nodes(The Transportation Mean of the TMN World)DCN versus The Managed Network:Initially assumed to be IndependentThis restriction has been Relaxed to reduce CostTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Interfaces Function: Interfaces govern the manner in which management systems interact.
Standards:Standards for interfaces are emphasized to allow nodes (of different vendors) to interact.TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Interface: Q1Q1 Interfacing: MD - [Q1] NEA number of small scale NEs supported an MD(Multiplexing & Transmission Equipment)Scope: Layers 1 & 2 of ISO-OSI 7 LayersActivities:Transporting Alarm States (Binary Indications)Loop-Back RequestsTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Interface: Q2Q2 Interfacing: MD - [Q2] NE (more sophisticated)More intelligent large scale NEs (More Sophisticated Multiplexing & Transmission)Scope: Layers 1, 2 and 3 of ISO-OSI 7 LayersActivities:More sophisticated than Q1Alarm SurveillanceData Transfer (not only binary indications)TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Interface: Q3Q3 Interfacing: OS - [Q3] NE / OS - [Q3] QAOS [Q3] MD / OS [Q3] OS Intelligent Nes for Intelligent Equipment (Switches)
Scope: Layers 1 to 7 of ISO-OSI 7 LayersActivities:More sophisticated than Q2Full Capability Interface.TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Interfaces: X / FX Interfacing:
OS (TMN:1) [X]OS (TMN:2)F Interfacing:
WS[F]Other NodesTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Functions: OS LevelSurveillance / Control
Service objectives / Reference
Compare performance data to maintenance limits
Invoke maintenance.Preventive &CorrectiveTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Functions: DCN LevelCommunications
Transport performance information & commands viaprotocols, languages & messagesTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Functions: MD LevelMediation
Provides data pre-processing & concentration plusprotocol conversionTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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Functions: NE LevelMonitoring & Testing
Generates alarms & performance information forreporting to OSTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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RemarksTMN Internationally recommended conceptWell supported by standardsImportant RelationshipsISO & Internet (SNMP)Future: NM products supporting TMNTMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE
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ITU-T Standard GroupsTMN: Telecommunications Management Networks
TopicGroup StandardsNetwork MaintenanceSG 4M-seriesData Networks and Open System CommunicationSG 7X-seriesSwitching & SignalingSG 11Q-seriesTransmission SystemsSG 15G-series
Saad Haj Bakry, PhD, CEng, FIEE
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Standard DocumentsTMN: Telecommunications Management Networks
ITU-T (CCITT) TMN StandardsPrinciples of TMNM.3010TMN Management ServicesM.3200TMN Interface Specification MethodologyM.3020Overview of TMN RecommendationsM.3000TMN Management FunctionsM.3400Systems Management OverviewX.701
Saad Haj Bakry, PhD, CEng, FIEE
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References Enter the World of TMN, IEEE Communications Magazine (Special Issue), Vol. 33, No. 3, March 1995.
Gruber J.J., Transmission Performance Of Evolving Telecommunications Networks, Artech House, Boston-London, 1992.TMN: Telecommunications Management Networks
Saad Haj Bakry, PhD, CEng, FIEE