View
230
Download
3
Tags:
Embed Size (px)
Citation preview
Saad Haj Bakry, PhD, CEng, FIEE
1
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE
PRESENTATIONS IN NETWORK MANAGEMENTPRESENTATIONS IN NETWORK MANAGEMENT
Saad Haj Bakry, PhD, CEng, FIEE 2
Objectives / Contents
ISO-OSI Architecture INMS Principles Standards
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 3
ISO- OSI Architecture
Introduction The Layered Principle The “7” Layers OSI / NM Functions / Operation
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 4
ISO
INTERNATIONAL STANDARDS ORGANIZATIONINTERNATIONAL STANDARDS ORGANIZATION
ADDRESS: PO Box
56, 1211 Geneva 20, Switzerland
ADDRESS: PO Box
56, 1211 Geneva 20, Switzerland
STARTED: 1946
200 (TCs) Technical
Committees
5000 (Standards)
STARTED: 1946
200 (TCs) Technical
Committees
5000 (Standards)
MEMBERS: 89 Countries ANSI: USA BSI: UK SASO:
Saudi Arabia
MEMBERS: 89 Countries ANSI: USA BSI: UK SASO:
Saudi Arabia
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 5
OSI:
TRANSPORT
DATA LINK
PHYSICAL
NETWORK
SESSION
PRESENTATION
APPLICATION
OPEN SYSTEM
INTERCONNECTION:
REFERENCE MODEL
OPEN SYSTEM
INTERCONNECTION:
REFERENCE MODEL
STARTED: 1983STARTED: 1983
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 6
Network Structure
H
Host / DTE
Node / DCE
Users
N
N N
N
COMMUNICATIONS
SUBNETWORKH
H H
H
H
UU
U
U
U
U
U
ACCESS / SERVICES SUBNETWORK
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 7
WHY DIVIDE:
Complex Operation
Divide & Rule
Remember: it is Integrated
(All in One)
WHY DIVIDE:
Complex Operation
Divide & Rule
Remember: it is Integrated
(All in One)
WHY LAYERS:
Nature of Network Structure
User Access Use Demands Presentation
Network Operation Communication
WHY LAYERS:
Nature of Network Structure
User Access Use Demands Presentation
Network Operation Communication
Layered Protocols
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 8
ISO-OSI LayersAPPLICATIONAPPLICATION
PRESENTATIONPRESENTATION
SESSIONSESSION
TRANSPORT`TRANSPORT`
NETWORKNETWORK
DATA LINKDATA LINK
PHYSICALPHYSICAL
APPLICATIONAPPLICATION
PRESENTATIONPRESENTATION
SESSIONSESSION
TRANSPORT`TRANSPORT`
NETWORKNETWORK
DATA LINKDATA LINK
PHYSICALPHYSICAL
COMMUNICATION MEDIUM
COMMUNICATION MEDIUM
PHYSICALPHYSICAL
DATA LINKDATA LINK
NETWORKNETWORK
COMMUNICATION SUBNETWORKCOMMUNICATION SUBNETWORK
COMMUNICATION MEDIUM
COMMUNICATION MEDIUM
PEER LEVELS
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 9Saad Haj Bakry
Network Architecture ISO-OSI Protocols
APPLICATION: Supporting Services at Access Points
APPLICATION: Supporting Services at Access Points
PRESENTATION: Representation of
Information
PRESENTATION: Representation of
Information
SESSION: User Interface to the Network
SESSION: User Interface to the Network
TRANSPORT: End to End QOS
TRANSPORT: End to End QOS
NETWORK: Subnetwork Operation
NETWORK: Subnetwork Operation
DATA LINK: Point to Point Error FreeDATA LINK: Point to Point Error Free
PHYSICAL: Interface to the MediumPHYSICAL: Interface to the Medium
INTERNETWORKINGINTERNETWORKING INTERCONNECTIONINTERCONNECTION
ISO-OSI Basic Functions
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 10
FUNCTIONS: CIRCUIT IDENTIFICATION CONNECTION: Activate / Maintain / Deactivate
SIGNAL & MEDIUM: Put on / Take off
FLOW: Sequencing & Transmission
FAULT: Detection Notification
FUNCTIONS: CIRCUIT IDENTIFICATION CONNECTION: Activate / Maintain / Deactivate
SIGNAL & MEDIUM: Put on / Take off
FLOW: Sequencing & Transmission
FAULT: Detection Notification
An Interface to the Physical MediumAn Interface to the Physical Medium
Physical Layer (1/2)Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 11
STANDARDS: MECHANICAL: Plugs / Sockets / Pins Functions
ELECTRICAL: Voltage Levels on the Medium
FUNCTIONAL: Levels Assigned to: 0 / 1
PROCEDURAL: Rules of Operation, Sequencing
STANDARDS: MECHANICAL: Plugs / Sockets / Pins Functions
ELECTRICAL: Voltage Levels on the Medium
FUNCTIONAL: Levels Assigned to: 0 / 1
PROCEDURAL: Rules of Operation, Sequencing
EXAMPLES: ITU: V.24 / X.21; EIS: RS 232 / RS
449
EXAMPLES: ITU: V.24 / X.21; EIS: RS 232 / RS
449
Physical Layer (2/2)Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 12
FUNCTIONS:
CONNECTION ESTABLISHMENT BREAKING DATA INTO FRAMES
ERROR CONTROL: Detection / Recovery
FLOW CONTROL: Buffer Limit / QOS
FUNCTIONS:
CONNECTION ESTABLISHMENT BREAKING DATA INTO FRAMES
ERROR CONTROL: Detection / Recovery
FLOW CONTROL: Buffer Limit / QOS
Point to Point Error Free TransmissionPoint to Point Error Free Transmission
Data Link Layer (1/2)
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 13
EXAMPLES:
IBM SNA: SDLC (Synchronous DL Control) ISO: HDLC
(High level DLC)
EXAMPLES:
IBM SNA: SDLC (Synchronous DL Control) ISO: HDLC
(High level DLC)
ERROR CONTROL: Adding Control Bits
ERROR CONTROL: Adding Control Bits
TECHNIQUES:
Echo Checking
ARQ: Automatic
Repeat Request
FEC: Forward Error
Correction
TECHNIQUES:
Echo Checking
ARQ: Automatic
Repeat Request
FEC: Forward Error
Correction
Data Link Layer (2/2)Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 14
FUNCTIONS: SUBNETWORK PATH CONTROL:
Addressing, Set Up, Maintain, Clear Down MULTIPLEXING /
CONCENTRATION ROUTING / RELAYING: QOS CONGESTION
CONTROL: QOS
FUNCTIONS: SUBNETWORK PATH CONTROL:
Addressing, Set Up, Maintain, Clear Down MULTIPLEXING /
CONCENTRATION ROUTING / RELAYING: QOS CONGESTION
CONTROL: QOS
Control of Communications Sub-networkControl of Communications Sub-network
Network Layer (1/2)Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 15
EXAMPLES: ITU: X.25 / EIA: RS-366
EXAMPLES: ITU: X.25 / EIA: RS-366
ROUTING:
STATIC: Shortest Path / Table DYNAMIC: Least Busy Link
HYBRID
ROUTING:
STATIC: Shortest Path / Table DYNAMIC: Least Busy Link
HYBRID
CONGESTION
CONTROL: PERMITS / TOKENS SHARING BUFFERING LIMITS
CONGESTION
CONTROL: PERMITS / TOKENS SHARING BUFFERING LIMITS
Network Layer (2/2)Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 16
FUNCTIONS: END TO END PATH CONTROL
BREAKING DATA INTO
MANAGEBLE UNITS ERROR /
CONGESTION / COST / QOS MONITORING & CONTROL
SPLITTING: (1) Transport to (n)
Network Connections MULTIPLEXING: (n) Transports to (1) Connection
FUNCTIONS: END TO END PATH CONTROL
BREAKING DATA INTO
MANAGEBLE UNITS ERROR /
CONGESTION / COST / QOS MONITORING & CONTROL
SPLITTING: (1) Transport to (n)
Network Connections MULTIPLEXING: (n) Transports to (1) Connection
End to End Service Quality ControlEnd to End Service Quality Control
Transport LayerIntegrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 17
User Interface to the NetworkUser Interface to the Network
Session
Connection
Establishment
Session
Connection
Establishment
Session
Interaction
Management
Session
Interaction
Management
QUARANTINE: (for Security)
Receiver Needs Permission to Release
Information to Presentation
QUARANTINE: (for Security)
Receiver Needs Permission to Release
Information to Presentation
Session
Connection
Release
Session
Connection
Release
BRACKETING: (for Failure) Retaining the Ability to
Retransmit Using the Last Bracketed Message
BRACKETING: (for Failure) Retaining the Ability to
Retransmit Using the Last Bracketed Message
Session LayerIntegrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 18
Representation of InformationRepresentation of Information
CODING: Syntax & Semantics of Information CODING: Syntax & Semantics of Information
ENCRYPTION ENCRYPTION COMPRESSIONCOMPRESSION
CODE CONVERSION: ASCII / EBCDICCODE CONVERSION: ASCII / EBCDIC
TRANSFERRING / RECEIVING InformationTRANSFERRING / RECEIVING Information
Presentation Layer
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 19
Supporting Network Services at Access Points (User End)
Supporting Network Services at Access Points (User End)
GENERAL FUNCTIONS: AUTHORITY TO COMMUNICATE
SERVICE SELECTION
PARTNERS IDENTIFICATION
MESSAGE HANDLING
GENERAL FUNCTIONS: AUTHORITY TO COMMUNICATE
SERVICE SELECTION
PARTNERS IDENTIFICATION
MESSAGE HANDLING
Application Layer
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 20
FAULTS: Alarm / Response / Recording
FAULTS: Alarm / Response / Recording
CONFIGURATION:
Monitoring / Detection
of Changes / Response
CONFIGURATION:
Monitoring / Detection
of Changes / Response
SECURITY:
Access / Attacks / Protection
SECURITY:
Access / Attacks / Protection
PERFORMANCE:
Network Behaviour & Cost-
Effectiveness
PERFORMANCE:
Network Behaviour & Cost-
Effectiveness
ACCOUNTING: Usage / Charging / Billing
ACCOUNTING: Usage / Charging / Billing
ISO / NM: Basic FunctionsIntegrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 21
OSI PROTOCOL MANAGEMENT: Management of a Function / Protocol of a Layer
OSI PROTOCOL MANAGEMENT: Management of a Function / Protocol of a Layer
OSI LAYER MANAGEMENT: Management of Interaction between Peer Layers
OSI LAYER MANAGEMENT: Management of Interaction between Peer Layers
OSI SYSTEM MANAGEMENT: Management of Functions Related to All Layers
OSI SYSTEM MANAGEMENT: Management of Functions Related to All Layers
ISO / NM: Basic Operations
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 22
INMS Principles Management Integration Peer Communications Equipment Description CML: Common Management Language MIB: Management Information Base. Information Exchange
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 23
Management Integration
-OSI / NM Interface: CMIS / CMIP- (Standards)
--EMS: Element Management Systems--(Proprietary)
--------------------------------------------------------------------------------------------
INMS: Integrated Network Management System
EMS EMS EMS EMS
Multiplexers LANs Modems Workstations
element element element element
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 24
Peer to Peer Communications
INMS
EMS EMS EMS EMS
Elements Elements Elements Elements
element element element element
INMSCommunications
CML
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 25
Equipment Description
Class “A”
Sub-Class “A A” Sub-Class “A B”
Sub-Class “A A B”Sub-Class “A A A”
Attributes
Characteristics
Root
Root Description Functions
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 26
CML: Common Management Language
Real Network Resource: Element / Object
Standard Template to Specify Managed Element / Object
Using ASN-1 (Standard Object Definition Language)
CMIS / P CMIS / PCMIS / PPeer to Peer Management Systems
Abstract Syntax Notation
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 27
MIB: Management Information Base
MIB is the “database” of the managed “object representation” of the “network elements” and their “relationships” to one another.
MIB is the “information” which, at any time,can be “transferred” or “affected” through the use of
“OSI / NM protocols”
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 28
Information Exchange Systems Management
Monitoring, Control & Coordination of Managed Objects
Through the “Application Layer” Associated with Single or Multiple Layers
Layer Management Associated with a Single Layer
Layer Operation Associated with Functions within a Layer
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 29
Standards Information Services Layer 7
Transaction Services File Transfer
Layers: 4-6 Layers: 1-3
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 30
Management Standards: Information
Name Full Name Standard
CMIS Common Management Information Service
ISO 9595
CMIP Common Management Information Protocol
ISO 9596
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 31
Layer 7: Transaction Services
Management Application Processes
Layer: 6
Layer: 7
ACSE: Association Control Service Elements
CMIS: Common Management Information Service
Management Specific Functions
ROSE: Remote OperationsService Elements
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 32
Layer 7: File Transfer
Management Application Processes
Layer: 6
Layer: 7ACSE: Association Control
Service Elements
FTAM: File Transfer Access Management
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 33
Management Standards: Layer 7
Name Full Name Standard
ACSE Association Control Service Elements
ISO 8649 /8650
ROSE Remote Operations Service Elements
ISO 9072
FTAM File Transfer Access Management
ISO 8571
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 34
Management Standards: Layers 4-6
LAYER STANDARDS
Presentation ISO 8822 / 8823
Session ISO 8326 / 8327
Transfer ISO 8072 / 8073
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 35
Management Standards: Layers 1-3
LAYER WAN
Applications
LAN Applications
Network X.25 PLP
ISO 8878 /8208
CLNS
ISO 8348 / AD1
Data Link X.25 LAPB / SLP
ISO 7776
IEEE 802.2 LLC
IEEE 802.3 MAC
CSMS / CD
Physical X.21 bis 10 BASE 5
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 36
Conclusions Integrated Network Management:
Operations / Levels / Integration. Information Base / Information Flow. Functions. Standards: ISO-OSI / NM.
Other Topics: Internet SNMP TMN
(All associated with operation management) Investigate “Practical Packages”.
Integrated Network Management: OSI / NM
Saad Haj Bakry, PhD, CEng, FIEE 37
References Telecommunications Management:
Operation & Management of Networks, National Computing Centre (NCC) Training, UK.
Franz-Joachim Kauffels, Network Management: Problems, Standards and Strategies, Addison-Wesley, UK.
Daniel Minoli, Telecommunications Technology Handbook, Artech House, Boston & London.
Integrated Network Management: OSI / NM