1. Saad Haj Bakry, PhD, CEng, FIEE 1 Integrated Network Management: OSI / NM Saad Haj Bakry, PhD, CEng, FIEE P RESENTATIONS IN N ETWORK M ANAGEMENT

2. Saad Haj Bakry, PhD, CEng, FIEE 2 Objectives / Contents ISO-OSI Architecture INMS Principles Standards Integrated Network Management: OSI / NM

3. 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

4. Saad Haj Bakry, PhD, CEng, FIEE 4 ISO I NTERNATIONAL S TANDARDS O RGANIZATION A DDRESS: PO Box 56, 1211 Geneva 20, Switzerland S TARTED: 1946 200 (TCs) Technical Committees 5000 (Standards) S TARTED: 1946 200 (TCs) Technical Committees 5000 (Standards) M EMBERS: 89 Countries ANSI: USA BSI: UK SASO: Saudi Arabia Integrated Network Management: OSI / NM

5. Saad Haj Bakry, PhD, CEng, FIEE 5 OSI: T RANSPORT D ATA L INK P HYSICAL N ETWORK S ESSION P RESENTATION A PPLICATION O PEN S YSTEM I NTERCONNECTION: R EFERENCE M ODEL S TARTED: 1983 Integrated Network Management: OSI / NM

6. Saad Haj Bakry, PhD, CEng, FIEE 6 Network Structure H Host / DTE Node / DCE Users N NN N C OMMUNICATIONS S UBNETWORK H H H H H UU U U U U U A CCESS / S ERVICES S UBNETWORK Integrated Network Management: OSI / NM

7. Saad Haj Bakry, PhD, CEng, FIEE 7 W HY D IVIDE: Complex Operation Divide & Rule Remember: it is Integrated (All in One) W HY D IVIDE: Complex Operation Divide & Rule Remember: it is Integrated (All in One) W HY L AYERS: Nature of Network Structure User Access Use Demands Presentation Network Operation Communication W HY L AYERS: Nature of Network Structure User Access Use Demands Presentation Network Operation Communication Layered Protocols Integrated Network Management: OSI / NM

8. Saad Haj Bakry, PhD, CEng, FIEE 8 ISO-OSI Layers A PPLICATION P RESENTATION S ESSION T RANSPORT` N ETWORK D ATA L INK P HYSICAL A PPLICATION P RESENTATION S ESSION T RANSPORT` N ETWORK D ATA L INK P HYSICAL COMMUNICATI ON MEDIUM P HYSICAL D ATA L INK N ETWORK COMMUNICATION SUBNETWORK COMMUNICATI ON MEDIUM P EER L EVELS Integrated Network Management: OSI / NM

9. Saad Haj Bakry, PhD, CEng, FIEE 9 Saad Haj Bakry Network ArchitectureISO-OSI Protocols A PPLICATION: Supporting Services at Access Points P RESENTATION: Representation of Information S ESSION: User Interface to the Network T RANSPORT: End to End QOS N ETWORK: Subnetwork Operation D ATA L INK: Point to Point Error Free P HYSICAL: Interface to the Medium I NTERNETWORKING I NTERCONNECTION ISO-OSI Basic Functions Integrated Network Management: OSI / NM

10. Saad Haj Bakry, PhD, CEng, FIEE 10 F UNCTIONS: C IRCUIT I DENTIFICATION C ONNECTION: Activate / Maintain / Deactivate S IGNAL & M EDIUM: Put on / Take off F LOW: Sequencing & Transmission F AULT: Detection Notification An Interface to the Physical Medium Physical Layer (1/2) Integrated Network Management: OSI / NM

11. Saad Haj Bakry, PhD, CEng, FIEE 11 S TANDARDS: M ECHANICAL: Plugs / Sockets / Pins Functions E LECTRICAL: Voltage Levels on the Medium F UNCTIONAL: Levels Assigned to: 0 / 1 P ROCEDURAL: Rules of Operation, Sequencing E XAMPLES: ITU: V.24 / X.21; EIS: RS 232 / RS 449 Physical Layer (2/2) Integrated Network Management: OSI / NM

12. Saad Haj Bakry, PhD, CEng, FIEE 12 F UNCTIONS: C ONNECTION E STABLISHMENT B REAKING D ATA INTO F RAMES E RROR C ONTROL: Detection / Recovery F LOW C ONTROL: Buffer Limit / QOS Point to Point Error Free Transmission Data Link Layer (1/2) Integrated Network Management: OSI / NM

13. Saad Haj Bakry, PhD, CEng, FIEE 13 E XAMPLES: IBM SNA: SDLC (Synchronous DL Control) ISO: HDLC (High level DLC) E RROR C ONTROL: Adding Control Bits T ECHNIQUES: Echo Checking ARQ: Automatic Repeat Request FEC: Forward Error Correction T ECHNIQUES: Echo Checking ARQ: Automatic Repeat Request FEC: Forward Error Correction Data Link Layer (2/2) Integrated Network Management: OSI / NM

14. Saad Haj Bakry, PhD, CEng, FIEE 14 F UNCTIONS: S UBNETWORK P ATH C ONTROL: Addressing, Set Up, Maintain, Clear Down M ULTIPLEXING / C ONCENTRATION R OUTING / R ELAYING: QOS C ONGESTION C ONTROL: QOS Control of Communications Sub-network Network Layer (1/2) Integrated Network Management: OSI / NM

15. Saad Haj Bakry, PhD, CEng, FIEE 15 E XAMPLES: ITU: X.25 / EIA: RS-366 R OUTING: S TATIC: Shortest Path / Table D YNAMIC: Least Busy Link H YBRID C ONGESTION C ONTROL: P ERMITS / T OKENS S HARING B UFFERING L IMITS Network Layer (2/2) Integrated Network Management: OSI / NM

16. Saad Haj Bakry, PhD, CEng, FIEE 16 F UNCTIONS: E ND TO E ND P ATH C ONTROL B REAKING D ATA INTO M ANAGEBLE U NITS E RROR / C ONGESTION / C OST / QOS M ONITORING & C ONTROL S PLITTING: (1) Transport to (n) Network Connections M ULTIPLEXING: (n) Transports to (1) Connection End to End Service Quality Control Transport Layer Integrated Network Management: OSI / NM

17. Saad Haj Bakry, PhD, CEng, FIEE 17 User Interface to the Network Session Connection Establishment Session Interaction Management Q UARANTINE : (for Security) Receiver Needs Permission to Release Information to Presentation Session Connection Release B RACKETING : (for Failure) Retaining the Ability to Retransmit Using the Last Bracketed Message Session Layer Integrated Network Management: OSI / NM

18. Saad Haj Bakry, PhD, CEng, FIEE 18 Representation of Information C ODING: Syntax & Semantics of Information E NCRYPTION C OMPRESSION C ODE C ONVERSION: ASCII / EBCDIC T RANSFERRING / R ECEIVING Information Presentation Layer Integrated Network Management: OSI / NM

19. Saad Haj Bakry, PhD, CEng, FIEE 19 Supporting Network Services at Access Points (User End) G ENERAL F UNCTIONS : A UTHORITY TO C OMMUNICATE S ERVICE S ELECTION P ARTNERS I DENTIFICATION M ESSAGE H ANDLING Application Layer Integrated Network Management: OSI / NM

20. Saad Haj Bakry, PhD, CEng, FIEE 20 F AULTS: Alarm / Response / Recording F AULTS: Alarm / Response / Recording C ONFIGURATION: Monitoring / Detection of Changes / Response C ONFIGURATION: Monitoring / Detection of Changes / Response S ECURITY: Access / Attacks / Protection P ERFORMANCE: Network Behaviour & Cost-Effectiveness P ERFORMANCE: Network Behaviour & Cost-Effectiveness A CCOUNTING: Usage / Charging / Billing ISO / NM: Basic Functions Integrated Network Management: OSI / NM

21. Saad Haj Bakry, PhD, CEng, FIEE 21 OSI P ROTOCOL M ANAGEMENT: Management of a Function / Protocol of a Layer OSI L AYER M ANAGEMENT: Management of Interaction between Peer Layers OSI S YSTEM M ANAGEMENT: Management of Functions Related to All Layers ISO / NM: Basic Operations Integrated Network Management: OSI / NM

22. 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

23. 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 MultiplexersLANs Modems Workstations element Integrated Network Management: OSI / NM

24. Saad Haj Bakry, PhD, CEng, FIEE 24 Peer to Peer Communications INMS EMS Elements element INMS Communications CML Integrated Network Management: OSI / NM

25. 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

26. 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 Peer to Peer Management Systems Abstract Syntax Notation Integrated Network Management: OSI / NM

27. 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

28. 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

29. 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

30. Saad Haj Bakry, PhD, CEng, FIEE 30 Management Standards: Information NameFull NameStandard CMISCommon Management Information Service ISO 9595 CMIPCommon Management Information Protocol ISO 9596 Integrated Network Management: OSI / NM

31. 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 Operations Service Elements Integrated Network Management: OSI / NM

32. Saad Haj Bakry, PhD, CEng, FIEE 32 Layer 7: File Transfer Management Application Processes Layer: 6 Layer: 7 ACSE: Association Control Service Elements FTAM: File Transfer Access Management Integrated Network Management: OSI / NM

33. Saad Haj Bakry, PhD, CEng, FIEE 33 Management Standards: Layer 7 NameFull NameStandard ACSEAssociation Control Service Elements ISO 8649 /8650 ROSERemote Operations Service Elements ISO 9072 FTAMFile Transfer Access Management ISO 8571 Integrated Network Management: OSI / NM

34. Saad Haj Bakry, PhD, CEng, FIEE 34 Management Standards: Layers 4-6 LAYERSTANDARDS PresentationISO 8822 / 8823 SessionISO 8326 / 8327 TransferISO 8072 / 8073 Integrated Network Management: OSI / NM

35. Saad Haj Bakry, PhD, CEng, FIEE 35 Management Standards: Layers 1-3 LAYERWAN Applications LAN Applications NetworkX.25 PLP ISO 8878 /8208 CLNS ISO 8348 / AD1 Data LinkX.25 LAPB / SLP ISO 7776 IEEE 802.2 LLC IEEE 802.3 MAC CSMS / CD PhysicalX.21 bis10 BASE 5 Integrated Network Management: OSI / NM

36. 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

37. 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