1. Network Management Functions
PRESENTATIONS IN NETWORK MANAGEMENT
Network Management Functions
Saad Haj Bakry, PhD, CEng, FIEE
Saad Haj Bakry, PhD, CEng, FIEE

2. Objectives / Contents Network Management Concept
Network Management Functions
Objectives / Contents
Network Management Concept
OSI Standard Functions
Additional Functions
Saad Haj Bakry, PhD, CEng, FIEE

3. Management Concept: An Overview
Network Management Functions
Management Concept: An Overview
Management Station
Router
Agent
Host
Management Protocol
Internet
Saad Haj Bakry, PhD, CEng, FIEE

4. Management Concept: An Agent
Network Management Functions
Management Concept: An Agent
An Agent
A functional unit (software) that resides in a managed device
It provides management information about the managed device
It accepts instructions to configure the device
A Proxy Agent
An agent, but it
does not reside in
the managed
device.
Saad Haj Bakry, PhD, CEng, FIEE

5. Management Concept: Structure
Network Management Functions
Management Concept: Structure
Centralized
Single management station
Distributed
A number of management stations
Distribution by “Function”
Distribution by “Geographical Area”
Hierarchical
Centralized at routes / Distributed peer systems
Saad Haj Bakry, PhD, CEng, FIEE

6. Management Concept: Structure
Network Management Functions
Management Concept: Structure
Level (3)
Main
Centralized / Distributed / Hierarchical Management Principles
Level (2) A B
Level (1) b3 a1 a2 a3 b1 b2
Saad Haj Bakry, PhD, CEng, FIEE

7. OSI Standard Functions
Network Management Functions
OSI Standard Functions
Fault Management
Performance Management
Configuration Management
Security Management
Accounting Management
Saad Haj Bakry, PhD, CEng, FIEE

8. Fault Management: Definition
Network Management Functions
Fault Management: Definition
The Discipline of
Detecting
Diagnosing
Bypassing
Repairing
Reporting
Network Equipment & Service Failures
Saad Haj Bakry, PhD, CEng, FIEE

9. Fault Management: Activities
Network Management Functions
Fault Management: Activities
Trace (Monitor) & Identify Faults (Abnormal Operation)
Accept Facts & Act on Error-Detection Notification
Carry Out Sequences of Diagnostic Tests
Correct Faults
Maintain and Examine Error Logs
Saad Haj Bakry, PhD, CEng, FIEE

10. Fault Management: Summary
Network Management Functions
Fault Management: Summary
Alarm
(Categories / Priorities)
Response
(Repair / Clear Alarm)
Recording
(Report)
Saad Haj Bakry, PhD, CEng, FIEE

11. Performance Management: Definition
Network Management Functions
Performance Management: Definition
The Utilization of
Network Resources
with
The Ability to meet
User Service Level Objectives
Saad Haj Bakry, PhD, CEng, FIEE

12. Performance Management: Activities
Network Management Functions
Performance Management: Activities
Information Gathering
Current System (Traffic / Resources)
System History (Logs)
Performance Evaluation (Analysis)
For Different States / Conditions
Understanding / Reporting
Saad Haj Bakry, PhD, CEng, FIEE

13. Performance Management: Summary
Network Management Functions
Performance Management: Summary
Evaluations of the
Behaviour &
Cost-Effectiveness
of Network Resources
Saad Haj Bakry, PhD, CEng, FIEE

14. Configuration Management: Definition
Network Management Functions
Configuration Management: Definition
Maintaining an Accurate Inventory of
HW / SW / Communication Links
(Network Resources)
& the Ability to Change the Inventory in a
“Smooth & Reliable” Manner in Response to
Changing
Services Requirements
(Changing Resources in Response to Changing
Requirements )
Saad Haj Bakry, PhD, CEng, FIEE

15. Configuration Management: Activities
Network Management Functions
Configuration Management: Activities
Define:
Parameters that Control Network Operation
Managed Objects (Names)
Collect Information on Current State
Monitor Current State Changes
Change Configuration in Response to Current State Changes
Saad Haj Bakry, PhD, CEng, FIEE

16. Configuration Management: Summary
Network Management Functions
Configuration Management: Summary
Continuous Information Collection
Detection of Changes
Scheduling Resource Provisioning in Response to Changes
Saad Haj Bakry, PhD, CEng, FIEE

17. Security Management: Definition
Network Management Functions
Security Management: Definition
Access Control to the
Network &
its Management Systems
Information Protection from
Disclosure &
Modifications
Saad Haj Bakry, PhD, CEng, FIEE

18. Security Management: Activities
Network Management Functions
Security Management: Activities
Access Management
(Users / Use)
Detection of Attacks
(Against Information)
Protection Measures
(Encryption)
Saad Haj Bakry, PhD, CEng, FIEE

19. Accounting Management: Definition
Network Management Functions
Accounting Management: Definition
Identifying
Cost
(Charges to be Paid)
For the
Use of Network Resources
(By Users / Subscribers )
Saad Haj Bakry, PhD, CEng, FIEE

20. Accounting Management: Activities
Network Management Functions
Accounting Management: Activities
Set Tariff / Costing
(For Use of Resources / Services)
Accumulate Use
(Traffic Information / Data Collection / Recording)
Charging / Billing
(To be Paid by Subscribers )
Accounting / Book Keeping
Saad Haj Bakry, PhD, CEng, FIEE

21. Additional Functions Capacity Planning Management Strategic Planning
Network Management Functions
Additional Functions
Capacity Planning Management
Strategic Planning
Operations Support Management
Programmability Management
Saad Haj Bakry, PhD, CEng, FIEE

22. Capacity Planning Management
Network Management Functions
Capacity Planning Management
Fine-Tuning the Network /
Periodic Re-Optimization
(e.g. Adding / Re-Arranging Trunks)
Scheduled Changes:
Terminating / Avoiding Technologies
Adopting Technologies
Migration
Saad Haj Bakry, PhD, CEng, FIEE

23. Strategic Planning Management
Network Management Functions
Strategic Planning Management
Part of “Business Planning”
New Applications / Growth
Re-Organization / Re-Engineering
Cost Estimations / Benefits
Contingency Planning
Back-Up
Disaster Recovery
Saad Haj Bakry, PhD, CEng, FIEE

24. Operation Supports Management
Network Management Functions
Operation Supports Management
People / IT Staff
(Need / Job Description / Training / Management )
Resources (Equipment Management…)
Maintenance (Programs / Logs / Shifts…)
Information Flow (Transactions / Interactions)
Saad Haj Bakry, PhD, CEng, FIEE

25. Programmability Management
Network Management Functions
Programmability Management
Tailoring the Management System to the
Unique Characteristics of the Managed
Network (Customization)
System Characteristics
Reporting Capabilities / Scripts
Other Options
Saad Haj Bakry, PhD, CEng, FIEE

26. Remarks Concept: Standard Functions: Additional Functions:
Network Management Functions
Remarks
Any Support of:
Performance
Efficiency
(Cost-Effectiveness)
Quality
Reliability
Concept:
“Operation Management”
Standard Functions:
“Operation”
Additional Functions:
Planning / Support
Saad Haj Bakry, PhD, CEng, FIEE

27. Standard Documents: General
Network Management Functions
Standard Documents: General
Management Framework
(ISO:7498)
Management Information Service Overview (ISO: 2683)
Structure of Management Information
(ISO: 2684)
Saad Haj Bakry, PhD, CEng, FIEE

28. Standard Documents: Functions
Network Management Functions
Standard Documents: Functions
ISO Network Management Functions
Fault
ISO: 2687
Performance
ISO: 2673
Configuration
ISO: 2686
Security
ISO: 2688
Accounting
Saad Haj Bakry, PhD, CEng, FIEE