unit 3: telecommunications network management · unit 3: telecommunications network management an...
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PA4 PA2
Unit 3: Telecommunications Network Management
An Overview of Requirements, Network Resource Models and Architecture
Rob Brennan
PA4
What is a Telecommunications Network?
Access Network - Connects
subscribers to their provider
Core Network - Connects
providers to each other
Intelligent Node Network
- Provides advanced services
eg mobility
Lots of different transmission networks, technologies, topologies
A Business?
That is connected to
other businesses
and customers
PA4
What is Telecoms Management?
• Full name: Operations, Administration and Management • Based on Operations support systems (OSS), a special
purpose IT system for managing a network. • OSS have functions like:
– Network management systems – Service delivery – Service fulfillment, network inventory, activation and
provisioning – Service assurance – Customer care
• Operate on network nodes called network elements (NEs)
PA4
Basic Terminology
NMS
EM EM
NE NE
NE
NE NE
NE
NMS
Management
Bearer/Data/Signaling
Operator domain boundary
SMS SMS
BMS BMS
EM
OSSs
MIM
MIM
MIM
PA4
Some History – OSI Management (1980’s)
• 5 functional areas identified (FCAPS) – Fault management – Configuration management – Accounting management – Performance management – Security management
• Specified in ITU X.700 Series of recommendations • Specified the Common Management Information Protocol
(CMIP) running on the OSI protocol stack – Note that SNMP is a “simple” version of CMIP that runs on TCP/IP
PA4
OSI Management Functional Model
TISO0010-92/d01
Management operations
Notifications
Managed
objects
Managed open system
Communicating
Notifications
emitted
management
operations
Performing
MIS-User
(manager role)
MIS-User
(agent role)
Figure 1 – Systems management interactions
- Management activities are effected through the manipulation of
managed objects (MO).
- MO = Management view of a resource that is subject to management.
- MIB = The system’s set of managed objects plus their attributes.
- GDMO for standardised MOs => generic Manager Apps.
CMIP
PA4
Still in the past: TMN (late ’80’s-present)
• Based on ITU M.3000 series of recommendations • Introduced the “Management Network” • Emphasis on co-ordination of management functions • Introduced operator-operator OSS inter-working • Defined 4 management layers plus NE layer:
– Business – Service – Network – Element
• Defined interfaces (Q, X, R, F) between functional entities
PA4
Revisit our first slide to see TMN
NMS
EM EM
NE NE
NE
NE NE
NE
NMS
Management
Bearer/Data/Signal
Operator domain boundary Basic Terminology:
SMS SMS
BMS BMS
EM
OSSs
MIM
PA4
Example Layer Functions -1
• Element Management – detection of equipment errors, – measuring power consumption, – measuring the temperature of equipment, – measuring the resources that are being used, like CPU-time, buffer
space, queue length etc., – logging of statistical data, – updating firmware.
• Service Management – Quality of Service management (delay, loss, etc.), – Accounting, – Addition and removal of users, – Address assignment, – Maintenance of group addresses.
PA4
Example Layer Functions -2
• Network Management – creation of the complete network view, – creation of dedicated paths through the network to support the
QoS demands of end users, – modification of routing tables, – monitoring of link utilization, – optimizing network performance, and – detection of faults
• Business Management – Subscriber management – Provider/partner management – Strategic planning – Business goal translation to technical goals
PA4
TMN Elaboration at the TMF
Element Management
Network Management
Business
Management
Service
Management
TMN Layers correspond with
TOM horizontals
Network and Systems Management Processes
Service Development and Operations Processes
Customer Care Processes
Customer
Network Element Management Processes
Info
rmatio
n S
yste
ms M
an
ag
em
en
t Pro
cesses
Network
Planning and
Development
Network
Provisioning
Network
Maintenance &
Restoration
Network Data
Management
Network
Inventory
Management
Service
Planning and
Development
Service
Problem
Management
Service
Quality
Management
Rating and
Discounting
Service
Configuration
Customer Interface Management Processes
SalesOrder
Handling
Invoicing
and
Collections
Problem
Handling
Customer
QoS
Management
Physical Resource and Information Technology
PA4
More TMF elaboration (eTOM/NGOSS)
eTOM maps the
NGOSS Business
View
Enterprise Management
Strategy, Infrastructure & Product Operations
Fulfillment Assurance BillingProductLifecycleManagement
InfrastructureLifecycleManagement
OperationsSupport &Readiness
Customer Relationship Management
Service Management & Operations
Resource Management & Operations
Supplier/Partner Relationship Management
Strategy &
Commit
Marketing & Offer Management
Service Development & Management
Resource Development & Management
Supply Chain Development & Management
(Application, Computing and Network)(Application, Computing and Network)
Enterprise Effectiveness
ManagementKnowledge & Research
Management
Enterprise Risk
Management
Strategic & Enterprise
Planning
Financial & Asset
ManagementStakeholder & External
Relations Management
Human Resources
Management
Customer
PA4
Reality: External data flow
Internal data flow
Pending data flow
System appears twice NAME
Planned systems
Key:
JOB
MOBE
TMM
NI
DFG
PVI
CID/SAM
LOC
INPLANS
ISIS
ASOS
Mech Eng
TESS
CCP
TOPS
NRSS
Billstar 3
Billstar 1 PCDB
EC
RIMS PRECISE Pay by
Phone
DOMS Customizer
800
Custom
800 DB
RCRMS
BOSS COR
OSMOP LIDB
E911
NAA
LMOS
Exch Plus
APTOS
PREMIS
MI Starwriter
CMS
(CCRS)
SABR
LFACS
FWS
PICS
/DPCR
TNDS/TK
LEIS
WM
COSMOS
SOAC
PAWS
LOMS
FIRST
ORGIS
GIR BAIF
IRSS
SDID
SDDL-POF
SOCS
PDR
TOR
AOG
SORD
CRMS
EARS
MAPS
CESAR
CABS
Data Svc
PR
JOUR
GL
RAP
3rd Pty
Bill Print
MP USAGE
RM REVE
Bill Format
Bill Day
Billing
Directory
Delivery
Corp Books
MI
CL CONF
EM EXCH
Listing Svc
C/CA
SOFE
LSD&C
Data
Warehse FIMS
PARIS
CARTS
COR
SUMMIT 4.0
SBIR
MRDB
Sales Agency
ORBITS
Athena
AA PBCC
SMS
DRS DCN
CPNI Sales Comp
PB Awards
APTOS
PaSS
COIN
AP
PBVS
CSFT
IP
SPACE
MARCH
CSTAR
Separation
ConnectVu
CLONES
TNM NMA-F
DCOS-2000
NetPilot
SEAS
EADAS NDS-TIDE
AMOS NSDB
TIRKS
IPMS
MOPICS PMM
CMTS
FTDM
SARTS
PVS | PMI
REACT
2001
TSA
NTAS
MTAS
LATIS
CRAS
CIAS
ANS
LMOS
MLT
SORD
SOAC
PBOD
Service
Manager
Electronic
Bonding
ALRU
PDS-ERA
PDS
Customer
Profile
AIM
POS-R
POS
BRIS
REMS
ESS
EmFiSys
TAPS
AUTS
TRAINS
WTS
IFS
TWIST
ATR
NSDM
MTR
TCMS
Tech PDP
PMIS
Paging CNR
PBITS
MP/F
FLEXCOM
COSMOS
WFA/C
OPAS
/Loopview
OPS/INE
Predictor
INA
Transport
SSI PBRIMS IPMS CCSN TAN CCPL MP/F
ComnLang Taskmate
SCS
FEPS
CUR/CAR
TAGS
FDOC
Network
AT&T
Network
DSC NOR
AT&T
Network
NOR
STP SCP
ISCP
EDIIS
PB1
Network
AT&T
NOR
IS
ERMIS
Common Interface Layer
ATC
CIDB
Advantage
TIRKS
PA4
Challenges
• Dealing with Network Evolution
– New access technologies eg GSM, 3G
– New management protocols eg CORBA (GIOP)
– New core network technologies eg TCP/IP based MoIP
• Management stovepipes
• Increasing flexibility/reducing OpEx
• The Internet
PA4
Additional Information
• TMN Tutorial Document on course page
• TM Forum Homepage https://www.tmforum.org/
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