the telecommunications management network (tmn)
TRANSCRIPT
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George Pavlou 1 TMN - IS&N’94
The Telecommunications ManagementThe Telecommunications ManagementNetwork (TMN)Network (TMN)
George Pavlou
University College London, UK
Tutorial presented in the 2nd International Conferenceof Intelligence in Services & Networks (IS&N’94)
Aachen, Germany, 1994
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George Pavlou 2 TMN - IS&N’94
TUTORIAL OUTLINE
u TMN SCOPE
u MANAGEMENT FUNCTIONAL AREAS
u TMN FUNCTIONAL, INFORMATION AND PHYSICALARCHITECTURES
u TMN LAYERED ARCHITECTURE
u TMN RECOMMENDATIONS AND PRODUCT STATUS
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George Pavlou 3 TMN - IS&N’94
THE NEED FOR OPEN MANAGEMENT
u NEED TO PROVIDE TELECOMMUNICATION SERVICESGLOBALLY IN A COST-EFFECTIVE MANNER
- MULTI-VENDOR, MULTI-PROVIDER ENVIRONMENT
u MANAGEMENT SYSTEMS ARE REQUIRED FOR OPERATION,ADMINISTRATION, MAINTENANCE AND PROVISIONING (OAM&P)ACTIVITIES
- MANAGEMENT APPLICATIONS NEED TO COMMUNICATE OPENLYWITHIN A DOMAIN AND ACROSS DOMAINS
u NEED FOR MANAGEMENT FRAMEWORKS AND STANDARDS
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George Pavlou 4 TMN - IS&N’94
WHAT IS THE TELECOMMUNICATIONSMANAGEMENT NETWORK (TMN)
u ITS PURPOSE IS TO SUPPORT OPERATORS IN MANAGINGTELECOMMUNICATIONS NETWORKS AND SERVICES
u TO DO THAT IT PROVIDES A FRAMEWORK TO ACHIEVEINTERCONNECTION OF OPERATIONS SYSTEMS ANDTELECOMMUNICATIONS EQUIPMENT
u THIS IS ACHIEVED THROUGH AN AGREED ARCHITECTUREWITH STANDARDISED PROTOCOLS AND INTERFACES
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George Pavlou 5 TMN - IS&N’94
WHAT IS THE TMN (cont’d)
u SERIES OF ITU-T RECOMMENDATIONS (M.3xxx), BUILDING ONTHE ISO/OSI SYSTEMS MANAGEMENT MODEL (X.700)
- OTHER OSI APPLICATION SERVICES ARE ALSO USED (DIRECTORY,FILE TRANSFER, SECURITY, TRANSACTION PROCESSING)
u HIERARCHICAL LOGICAL LAYERED ARCHITECTURE
u RICH AND GENERAL ARCHITECTURAL FRAMEWORK
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George Pavlou 6 TMN - IS&N’94
TMN FIELD OF APPLICATION
u SYNCHRONOUS TRANSMISSION NETWORKS (SDH/SONET)
u BROADBAND MULTI-SERVICE NETWORKS (ATM)
u PUBLIC SWITCHED TELEPHONE NETWORKS
u INTELLIGENT NETWORKS
u MOBILE NETWORKS
u etc.
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George Pavlou 7 TMN - IS&N’94
MANAGEMENT FUNCTIONAL AREAS
u TYPES OF MANAGEMENT ACTIVITY HAVE BEEN CATEGORISEDINTO FIVE GENERIC FUNCTIONAL AREAS:
- FAULT MANAGEMENT.
- CONFIGURATION MANAGEMENT.
- ACCOUNTING MANAGEMENT.
- PERFORMANCE MANAGEMENT.
- SECURITY MANAGEMENT.
u ALSO KNOWN AS FCAPS FROM THEIR INITIALS.
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George Pavlou 8 TMN - IS&N’94
FAULT MANAGEMENT
u RECEIVE REPORTS ABOUT MALFUNCTIONS (ALARMS).
- PRIORITISE, CONDENSE, FILTER.
u ALARM CORRELATION, CONFIDENCE / DIAGNOSTICTESTING.
u FAULT IDENTIFICATION AND DIAGNOSIS.
u MAINTENANCE DISPATCH.
- PERIODIC TESTING / REPAIR ACTIVITIES.
u BYPASS FAULTS THROUGH SOFT RE-CONFIGURATION.
- RELATIONSHIP WITH CONFIGURATION MANAGEMENT.
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George Pavlou 9 TMN - IS&N’94
CONFIGURATION MANAGEMENT
u MAINTAIN THE CONFIGURATION STATE OF A NETWORK ANDTHE RELATIONSHIPS BETWEEN COMPONENTS.
u IDENTIFY STATUS AND LOCATION OF EQUIPMENT(INVENTORY).
u INITIALISE, CONFIGURE AND SHUT DOWN EQUIPMENT.MAINTAIN VIEW OF BOTH PHYSICAL AND LOGICALNETWORK TOPOLOGY.
u SUPPORT SEMI-PERMANENT CONNECTIONS e.g.PERMANENT VIRTUAL CIRCUITS (PVCs).
u RELATIONSHIP WITH PLANNING, PERFORMANCE ANDFAULT MANAGEMENT.
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George Pavlou 10 TMN - IS&N’94
ACCOUNTING MANAGEMENT
u COLLECT SERVICE USAGE INFORMATION (“USAGEMETERING”).
u ASSOCIATE IT WITH TARIFFING SCHEMES TO PRODUCECHARGING AND BILLING INFORMATION.
u MONITOR USER ACCESS PRIVILEGES.
u PROVIDE ANALYSIS OF USAGE FOR SALES, NEWTARIFFING POLICIES, etc.
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George Pavlou 11 TMN - IS&N’94
PERFORMANCE MANAGEMENT
u COLLECT TRAFFIC INFORMATION
u USE IT FOR CAPACITY PLANNING AND PROVIDE TRAFFICFLOW PREDICTIONS (PER HOUR, DAY, MONTH).
u MONITOR THE LEVEL OF RESOURCE UTILISATION ANDRESPONSE TIMES.
u IDENTIFY BOTTLENECKS AND CONGESTION, TRY TORECOVER THROUGH SOFT RE-CONFIGURATION.
- RELATIONSHIP WITH CONFIGURATION MANAGEMENT.
u MONITOR QUALITY OF SERVICE FOR SERVICES SOLD ONSERVICE LEVEL AGREEMENTS.
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George Pavlou 12 TMN - IS&N’94
SECURITY MANAGEMENT
u PROTECT ACCESS TO NETWORK, SYSTEM, SERVICE ANDMANAGEMENT RESOURCES.
u AUTHENTICATION: VALIDATE LEGITIMATE USERS ANDAPPLICATIONS.
u CONFIDENTIALITY: ENCRYPT CONFIDENTIAL INFORMATIONWHILE IN TRANSIT.
u INTEGRITY: PREVENT MODIFICATION OF INFORMATION WHILEIN TRANSIT.
u ACCESS CONTROL: PROVIDE DIFFERENT LEVELS OF ACCESSTO DIFFERENT USERS / APPLICATIONS.
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George Pavlou 13 TMN - IS&N’94
TMN RELATIONSHIP TO A TELECOMNETWORK
Control Plane
Management Plane
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George Pavlou 14 TMN - IS&N’94
BASIC TMN OBJECTIVES
u GENERIC OBJECT-ORIENTED MANAGEMENT MODELS
- MANAGEMENT OF DIVERSE EQUIPMENT THROUGHSTANDARD INTERFACES
u DISTRIBUTED FUNCTIONALITY
u SECURITY AND DATA INTEGRITY
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George Pavlou 15 TMN - IS&N’94
TMN FUNCTIONALITY
u MANAGEMENT INFORMATION EXCHANGE
- WITH ELEMENTS, INTRA- AND INTER-TMN
u INFORMATION CONVERSION AND ABSTRACTION
u ANALYSE INFORMATION AND REACT APPROPRIATELY
u PRESENT INFORMATION TO THE USER IN A MEANINGFUL FORM
u ENSURE SECURE ACCESS TO MANAGEMENT INFORMATION
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George Pavlou 16 TMN - IS&N’94
ARCHITECTURAL REQUIREMENTS
u MINIMISE REACTION TIMES TO NETWORK EVENTS
u MINIMISE LOAD CAUSED BY MANAGEMENT TRAFFIC
u ALLOW FOR GEOGRAPHIC DISPERSION OF CONTROL
u PROVIDE ISOLATION MECHANISMS FOR FAULTS
u IMPROVE SERVICE ASSISTANCE AND INTERACTION WITHCUSTOMERS
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George Pavlou 17 TMN - IS&N’94
TMN ARCHITECTURES
u TMN FUNCTIONAL ARCHITECTURE
u TMN INFORMATION ARCHITECTURE
u TMN PHYSICAL ARCHITECTURE
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George Pavlou 18 TMN - IS&N’94
TMN FUNCTIONAL ARCHITECTURE
u THE TMN FUNCTIONAL ARCHITECTURE DEFINES:
- THE TYPES OF FUNCTION BLOCKS THAT MAY BE PRESENT INA TMN
- THE TYPES OF REFERENCE POINTS INTERCONNECTING THEM
- THE FUNCTIONAL COMPONENTS THAT MAY BE PRESENT INEACH FUNCTION BLOCK
u NETWORK ELEMENT, Q-ADAPTOR, MEDIATION,OPERATIONS SYSTEM AND WORKSTATION FUNCTIONBLOCKS
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George Pavlou 19 TMN - IS&N’94
TMN FUNCTION BLOCKS
T0402610-92
OSF
QAF
MF
NEF
WSF
TMN
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George Pavlou 20 TMN - IS&N’94
TMN REFERENCE POINTS
T0403890-93
g g
WSF
OSF
MF
QAFNEF
WSF
OSF
MF
QAF NEF
f f
ff x xq
x
q
3
q
q 33
xq
q 3
q xq 3
q 3
q3
q x
q 3q x
qx
m m
TMN TMN
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George Pavlou 21 TMN - IS&N’94
TMN FUNCTIONAL COMPONENTS
u MANAGEMENT APPLICATION FUNCTION (MAF)
- OSF, MF, QAF and NEF MAFs
u INFORMATION CONVERSION FUNCTION (ICF)
u WORKSTATION SUPPORT FUNCTION (WSSF)
u USER INTERFACE SUPPORT FUNCTION (UISF)
u MESSAGE COMMUNICATION FUNCTION (MCF)
u SECURITY FUNCTION (SF)
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George Pavlou 22 TMN - IS&N’94
RELATIONSHIP OF FUNCTION BLOCKS ANDFUNCTIONAL COMPONENTS
Function block Functional components Associated message communications functions
OSF
WSF
NEF
NEF
MF
QAF
QAF
q3
qx
q3
qx
OSF-MAF(A/M), WSSF, ICF, SF
UIFS, SF
NEF-MAF(A), SF
NEF MAF(A), SF
MF-MAF(A/M), ICF, SF
QAF-MAF(A/M), ICF, SF
QAF-MAF(A/M), ICF, SF
MCF , MCF , MCFx q3 f
MCF f
MCF , MCF , MCFq3 qx f
MCF qx
MCF q3
MCF , MCF q3 m
MCF ,MCF qx m
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George Pavlou 23 TMN - IS&N’94
THE TMN DATA COMMUNICATION FUNCTION
T0403900-93
MCF
OSF
DCF
MF
NEF
OSF
MF
NEF
DCF
q
x
q
q
q
q
q
q
3
3
3
3
x
x
TMN
Key:Functionblock
Referencepoint
a) Explicit DCF b) Implicit DCF
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George Pavlou 24 TMN - IS&N’94
MESSAGE AND DATA COMMUNICATIONFUNCTION
DCF
MCFMCF
TMN functionblock A
Peer-to-peercommunication
Relay open system
TMNfunctional
components
TMN functionblock B
TMNfunctional
components
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George Pavlou 25 TMN - IS&N’94
TMN INFORMATION ARCHITECTURE
u RESOURCES ARE MODELLED USING OBJECT-ORIENTEDCONCEPTS AT DIFFERENT LEVELS OF ABSTRACTION
u BASED ON THE MANAGER-AGENT MODEL
u RE-USES OSI SYSTEMS MANAGEMENT (X.700) CONCEPTS
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George Pavlou 26 TMN - IS&N’94
THE MANAGER-AGENT MODEL
TISO0010 92
Management operations
Notifications
Managedobjects
Communicating
Notificationsemitted
management
operations
Performing
MIS-user(manager role)
MIS-user
(agent role)
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George Pavlou 27 TMN - IS&N’94
MANAGED OBJECTS
u ABSTRACTIONS OF PHYSICAL OR LOGICAL RESOURCES TOBE MANAGED
u ENCAPSULATE THE UNDERLYING REAL RESOURCE
u ENABLE ITS MANIPULATION THROUGH WELL DEFINEDOPERATIONS
u EXHIBIT BEHAVIOUR AT THE OBJECT BOUNDARY, HIDINGRESOURCE ACCESS DETAILS
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George Pavlou 28 TMN - IS&N’94
SUPPORT MANAGED OBJECTS
u NOT ALL MANAGED OBJECTS REPRESENT RESOURCES
u THERE ARE MANAGED OBJECTS THAT EXIST FOR THE NEEDSOF THE MANAGEMENT SYSTEM ITSELF
u EXAMPLES ARE THOSE THAT CONTROL NOTIFICATIONS,LOGGING, ACCESS CONTROL etc.
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George Pavlou 29 TMN - IS&N’94
THE MANAGEMENT INFORMATION BASE(MIB)
u A VIRTUAL INFORMATION STORE COMPRISING ALLMANAGED OBJECTS IN A TMN
u A HIGHLY DISTRIBUTED OBJECT-ORIENTED DATABASEOF DYNAMIC NATURE
u MOs ARE “LIVING” ENTITIES, REFLECTING THE STATE OFTHE REAL RESOURCE THEY ENCAPSULATE
u EACH TMN APPLICATION IN AGENT ROLE HANDLES APART OF IT
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George Pavlou 30 TMN - IS&N’94
THE INFORMATION MODEL
u GDMO - GUIDELINES FOR THE DEFINITION OF MANAGEDOBJECTS, ABSTRACT O-O SPECIFICATION LANGUAGE
u MANAGED OBJECT OPERATIONS:
- GET, SET (APPLY TO THE OBJECT’S ATTRIBUTES)
- ACTION, CREATE, DELETE (APPLY TO THE OBJECT)
- NOTIFICATION (EMITTED BY THE OBJECT)
u POWERFUL FULLY O-O INFORMATION FRAMEWORK, CANMAP TO O-O PROGRAMMING LANGUAGES (e.g. C++)
u ASN.1 - SPECIFIES THE STRUCTURE OF ATTRIBUTE, ACTION,NOTIFICATION AND MO SPECIFIC ERROR VALUES
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George Pavlou 31 TMN - IS&N’94
THE MANAGEMENT SERVICE / PROTOCOL
u CMIS/P - COMMON MANAGEMENT INFORMATIONSERVICE / PROTOCOL
u CONNECTION ORIENTED RELIABLE COMMUNICATION -REQUIRES FULL OSI STACK
u MANAGEMENT OPERATIONS:
- CONNECT, DISCONNECT, ABORT (ASSOCIATION)
- GET, SET, ACTION, CREATE, DELETE, EVENT-REPORT,CANCEL-GET (TO/BY OBJECT OR TO THE AGENT)
u MULTIPLE OBJECT ACCESS THROUGH SCOPING, FILTERING,SYNCHRONISATION - OFFERED BY THE AGENT
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George Pavlou 32 TMN - IS&N’94
EVENT-BASED OPERATION
u SOPHISTICATED SUPPORT FOR EVENT-BASED OPERATION
u EVENT REPORTING AND LOGGING FACILITIES
u EVENT FORWARDING DISCRIMINATORS AND LOGSUPPORT MOs CONTROLLED BY MANAGERS
u VERY FINE GRANULARITY BY FILTERING ON ATTRIBUTEVALUES OF THE POTENTIAL EVENT
u LOGGING PROVIDES REMOTE “STANDARD” STORAGE OFSIGNIFICANT EVENTS
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George Pavlou 33 TMN - IS&N’94
SYSTEMS MANAGEMENT FUNCTIONS
u GENERIC MANAGEMENT FUNCTIONALITY OFFERED BYMANAGED SYSTEMS (AGENTS)
u STANDARDISE COMMON FUNCTIONS THAT MAY BE REUSED
u OBVIATE THE USE OF SPECIFIC INFORMATION MODELS BYPROVIDING GENERIC FUNCTIONALITY
u CAN BE USED TO PROVIDE GENERIC MANAGERAPPLICATIONS (CONFIGURATION, ALARM, PERFORMANCEetc.)
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George Pavlou 34 TMN - IS&N’94
SYSTEMS MANAGEMENT FUNCTIONS(cont’d)
X.730 | 10164-1 Object Management Function
X.731 | 10164-2 State Management Function
X.732 | 10164-3 Attributes for Representing Relationships
X.733 | 10164-4 Alarm Reporting Function
X.734 | 10164-5 Event Management Function
X.735 | 10164-6 Log Control Function
X.736 | 10164-7 Security Alarm Reporting Function
X.740 | 10164-8 Security Audit Trail Function
X.741 | 10164-9 Objects and Attributes for Access Control
X.742 | 10164-10 Accounting Meter Function
X.739 | 10164-11 Metric Objects and Attributes
X.745 | 10164-12 Test Management Function
X.738 | 10164-13 Summarisation Function
X.737 | 10164-14 Confidence and Diagnostic Testing
X.746 | 10164-15 Scheduling Function
X.750 | 10164-16 Management Knowledge Management Function
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George Pavlou 35 TMN - IS&N’94
TMN PHYSICAL ARCHITECTURE
u IN THE TMN PHYSICAL ARCHITECTURE:
- FUNCTION BLOCKS BECOME PHYSICAL BLOCKS
- REFERENCE POINTS BECOME INTEROPERABLE INTERFACES
u PHYSICAL BLOCKS RESIDE IN TMN NODES WHICH ARECONNECTED THROUGH THE DATA COMMUNICATIONNETWORK
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George Pavlou 36 TMN - IS&N’94
INTEROPERABLE REFERENCE POINTS ANDINTERFACES
Interface
Conceptual Facet Reference Point
Physical Facet
P-PartM-Part
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George Pavlou 37 TMN - IS&N’94
EXAMPLE TMN PHYSICAL ARCHITECTURE
O S
D C N
W S
M D
FX
Q
X /F /Q
Q A N E
D C N
Q A N E
Q /F
x
Q Q Q
Q
3
3 3 x
x
3
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George Pavlou 38 TMN - IS&N’94
OPERATIONS SYSTEMS
Q / X interfacemanaged object
other internal object
Agent /Manager
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George Pavlou 39 TMN - IS&N’94
Q-ADAPTORS
MQ3 / Qx ICF
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George Pavlou 40 TMN - IS&N’94
MEDIATION DEVICES
MF
MCF
Mediation
Convergencestack
Full OSIstack
Q to DCN Q to DCN3 x
Mediation Device
MF
NEF NEF NEF NEF
Network Element Network Element Network Element Network Element
Q3
Qx
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George Pavlou 41 TMN - IS&N’94
WORKSTATIONS
OS
WSFOSFf
F, f
OSWS
WSFOSF
F
OS
WS WS
WS
WSF
WSFterminal 1
terminal 2
OSF
OS
WSF
terminal
OSFf
a. b.
c. d.
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George Pavlou 42 TMN - IS&N’94
TMN INTEROPERABLE INTERFACES
u MAKE POSSIBLE TO MANAGE A MULTI-VENDOR, MULTI-CAPABILITY NETWORK
u AN INTERFACE IS DEFINED BY A PROTOCOL SUITE AND A SETOF MESSAGES
u MESSAGES IN TRANSACTION-ORIENTED INTERFACESMANIPULATE OBJECTS, HENCE
u INTERFACE = PROTOCOL STACK + OBJECT MODEL
u SHARED MANAGEMENT KNOWLEDGE ENSURES THAT EACH ENDUNDERSTANDS THE EXACT MESSAGE MEANING
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George Pavlou 43 TMN - IS&N’94
TMN INTERFACE SPECIFICATION
u TMN MANAGEMENT SERVICES ARE DECOMPOSED TOP-DOWNTO RESULT IN INTERFACE SPECIFICATIONS
- TMN MANAGEMENT SERVICE
- TMN MANAGEMENT SERVICE COMPONENT
- TMN MANAGEMENT FUNCTION
- TMN MANAGEMENT FUNCTION SET
u MANAGEMENT FUNCTIONS ARE USED FOR OBJECTMODELLING AND RESULT IN TMN INTERFACE MODELS
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George Pavlou 44 TMN - IS&N’94
TMN INTERFACE REALISATION
u Q3 - CMIS/P, FTAM
u Qx - Q3 WITHOUT FULL CAPABILITIES
u X - SAME AS Q3 BUT NEEDS NECESSARILY SECURITY
u M - NON-OSI MANAGEMENT PROTOCOLS e.g. SNMP (OUTSIDETHE TMN)
u F - NOT YET IDENTIFIED
u G - THE WS GUI SPECIFICATION (OUTSIDE THE TMN)
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George Pavlou 45 TMN - IS&N’94
TMN LAYERED ARCHITECTURE
u A KEY TMN CHARACTERISTIC IS ITS LAYERED ARCHITECTURE
u OPERATIONS SYSTEMS ARE STRUCTURED HIERARCHICALLY,WITH EACH LAYER BUILDING ON THE SERVICES OF THELAYER BELOW (AS IN THE OSI-RM)
u SEPARATION OF CONCERNS AND ENCAPSULATION OFLOWER LEVEL FUNCTIONALITY
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George Pavlou 46 TMN - IS&N’94
RELATIONSHIP BETWEEN MANAGEDOBJECTS AND REAL RESOURCES
M
A
R
R R
TMN boundary
Managing system
Managed system
Managed objects:abstract view of themanaged resources
Managed resources
Interface at the TMNq reference point
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George Pavlou 47 TMN - IS&N’94
SHARED MANAGEMENT KNOWLEDGE
Manager
A-to-BShared
ManagementKnowledge
Objects
Agent
ManagerB-to-CShared
ManagementKnowledge
Objects
Agent
Managing system A Managed and managing system B Managed system C
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George Pavlou 48 TMN - IS&N’94
CASCADED MANAGER / AGENTINTERACTIONS
T0402690-92
M A M A
System A System B System CInformation model B
MIB MIB
CMIS CMIS CMIS CMIS
CMIP CMIP
Resource
Resource
sees sees
Information model C(Note)
OSIprotocol
stack
OSIprotocol
stack
OSIprotocol
stack
OSIprotocolstack
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George Pavlou 49 TMN - IS&N’94
LOGICAL LAYERED ARCHITECTURE
A
M
x
A
A
AM
q q
qM
O SF do m a in
O uts ideTM N Ins ide TM N
O S F d om a in
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George Pavlou 50 TMN - IS&N’94
EXAMPLE TMN LAYERED MODEL
BusinessManagement
ServiceManagement
NetworkManagement
ElementManagement
NetworkElements
manager to agent relationship
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George Pavlou 51 TMN - IS&N’94
TMN LAYERS AND FUNCTIONAL AREAS
Network Element Management Layer
Network Management Layer
Service Management Layer
Business Management Layer
F C A P S
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George Pavlou 52 TMN - IS&N’94
CLASSES OF q AND x REFERENCE POINTS
OSFB
OSFE
OSFB
OSFSOSFS
OSFN OSFN
OSFE
NEF NEF
qs qs
qn qn
qe
qne
qe
qne
qb
qs
qn
qe
xs
xn
xe
TMN
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George Pavlou 53 TMN - IS&N’94
THE NETWORK ELEMENT MANAGEMENTLAYER
u COMPRISES A SET OF ELEMENT MANAGEMENT OSFs
u THESE CONTROL AND COORDINATE A SUBSET OFELEMENTS
u ALLOW THE NETWORK LAYER TO ACCESS THEM
u MAINTAIN ELEMENT RELATED DATA
u PROVIDE AN ABSTRACTION OF THE SERVICES PROVIDEDTO THE NETWORK LAYER (UNIFIED VIEW)
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George Pavlou 54 TMN - IS&N’94
THE NETWORK MANAGEMENT LAYER
u CONTROLS AND COORDINATES NETWORK ELEMENTSWITHIN ITS SCOPE
u PROVIDES, CEASES, OR MODIFIES THE NETWORKCAPABILITIES FOR SERVICE PROVISION
u MAINTAIN THE NETWORK CAPABILITIES
u INTERACTS WITH THE SERVICE MANAGEMENT LAYER
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George Pavlou 55 TMN - IS&N’94
THE SERVICE MANAGEMENT LAYER
u CUSTOMER FACING - SERVICE PROVISION,CESSATION, QoS etc.
u INTERACTION WITH THE SERVICE PROVIDERS
u INTERACTION BETWEEN SERVICES
u MAINTAINING STATISTICAL DATA
u INTERACTION WITH THE NETWORK AND BUSINESSMANAGEMENT LAYERS
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George Pavlou 56 TMN - IS&N’94
THE BUSINESS MANAGEMENT LAYER
u RESPONSIBILITY FOR THE TOTAL ENTERPRISE
u ITS FUNCTIONALITY IS TYPICALLY PROPRIETARY
- NO X INTERFACE SUPPORTED
u SETS GOALS RATHER THAN GOAL ACHIEVEMENT(WHAT RATHER THAN HOW)
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George Pavlou 57 TMN - IS&N’94
TMN INTERACTIONS - EXAMPLE 1
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George Pavlou 58 TMN - IS&N’94
TMN INTERACTIONS - EXAMPLE 2
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George Pavlou 59 TMN - IS&N’94
ITU-T TMN RECOMMENDATIONS
u M.3010 - PRINCIPLES FOR A TELECOMMUNICATIONSMANAGEMENT NETWORK
u M.3020 - TMN INTERFACE SPECIFICATION METHODOLOGY
u M.3100 - GENERIC NETWORK INFORMATION MODEL
u M.3180 - CATALOGUE OF TMN MANAGEMENT INFORMATION
u M.3200 - TMN MANAGEMENT SERVICES - OVERVIEW
u M.3300 - TMN CAPABILITIES PRESENTED AT THE F INTERFACE
u M.3400 - TMN MANAGEMENT FUNCTIONS
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George Pavlou 60 TMN - IS&N’94
GENERIC NETWORK INFORMATION MODEL
u THE M.3100 GENERIC NETWORK INFORMATION MODELIDENTIFIES OBJECT CLASSES THAT ARE :
- COMMON TO MANAGED TELECOMMUNICATIONSNETWORKS
- OF A GENERIC TYPE FOR TECHNOLOGY INDEPENDENTMANAGEMENT
- ARE SUPER-CLASSES OF TECHNOLOGY SPECIFICMANAGED OBJECTS
- MANAGEMENT SUPPORT OBJECTS.
u SPECIALISATION YIELDS TECHNOLOGY-SPECIFICINFORMATION MODELS
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George Pavlou 61 TMN - IS&N’94
ISO/ITU-T OSI-SM RECOMMENDATIONS
u X.701 - SYSTEMS MANAGEMENT OVERVIEW
u X.710, X.711 - CMIS / CMIP
u X.720, X.721, X.722 - MANAGEMENT INFORMATION MODEL
u X.730 to X.750 - SYSTEMS MANAGEMENT FUNCTIONS
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George Pavlou 62 TMN - IS&N’94
TMN PRODUCT STATUS
u TMN PRODUCTS ARE MOSTLY SOFTWARE PLATFORMS FORBUILDING TMN APPLICATIONS
u A MARKET OF PRODUCTS (e.g. OSs, WSs) WILL APPEAR ASSOON AS INFORMATION MODELS ARE STANDARDISED
u CURRENTLY FOCUS IS IN NETWORK ELEMENTS FOR VARIOUSNETWORK TECHNOLOGIES
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George Pavlou 63 TMN - IS&N’94
TMN PLATFORM REQUIREMENTS
u GDMO/ASN.1 COMPILER SUPPORT
u GENERIC OSI AGENT / MANAGER INFRASTRUCTURE ANDSUPPORT FOR AGENT LOCATION TRANSPARENCY
u GRAPHICAL USER INTERFACE SUPPORT
u GENERIC APPLICATIONS (MIB BROWSER, FAULT,PERFORMANCE, CONFIGURATION, ALARM, LOGGING etc.)
u INTEGRATION WITH SNMP (e.g. THROUGH GENERIC Q-ADAPTORS)
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George Pavlou 64 TMN - IS&N’94
SUMMARY
u THE TMN IS A RICH AND GENERAL ARCHITECTURALFRAMEWORK FOR OPEN HIERARCHICAL MANAGEMENT
u POWERFUL CONCEPTS ENABLE TO HARNESS THECAPABILITIES OF EMERGING BROADBAND MULTI-SERVICENETWORKS
u WORK IN RACE CONTRIBUTES SUBSTANTIALLY TO ITSSTANDARDISATION, VALIDATION AND DEPLOYMENT