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Open Management

Open Management. Introduction Open Approaches for Management Issues in Open Management Conclusions. Introduction. Open Management Automated Network and Systems Management in a Non-Proprietary, Widely Accepted Standard Fashion. OSI Management (ISO/ITU-T). Internet Management.

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Open Management

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  1. Open Management • Introduction • Open Approaches for Management • Issues in Open Management • Conclusions Network Management

  2. Introduction • Open Management • Automated Network and Systems Management in a Non-Proprietary, Widely Accepted Standard Fashion. • OSI Management (ISO/ITU-T). • Internet Management. • Not Limited to CMIP and SNMP. Network Management

  3. Why Open Management • Interoperability • Ability of individual components within an open management environment to exchange information (i.e., interworking) • Portability • Ability to easily place management functions in various platforms. • Integration • Integration of lower-level, individual (e.g. element management) systems to achieve higher-level, integrated management (e.g., service management). Network Management

  4. Manager-Agent Model Management Operation R MA MO Response Event Manager Agent Communication Protocols Communication Protocols Network Legend： MA: Manager Applications MO: Managed Objects R: Real Resource Network Management

  5. Management Components • Manager • Agent • Management Communication Protocol • Management Information Base (MIB) • Collection of Managed Objects Network Management

  6. ORB ORB Object-Oriented Management Model • Objects: Application, Service, MO, ... • ORB: Object Request Broker Network Management

  7. Open Approaches for Management • Manager-Agent Model • ISO/ITU-T OSI Management (CMIP) • IETF Internet Management (SNMP) • X/Open XMP/XOM API • Object-Oriented Management Model • OMG's CORBA • Specific Management Domain • ITU-T TMN Network Management

  8. SMI/GDMO SMFs MAs MO . . . . . . SMASE SMASE SMASE SMASE CMISE CMISE ACSE ROSE ACSE ROSE OSI Protocol Stack OSI Protocol Stack CMIS/P Link Link Network OSI Management Common Management Information Protocol Network Management

  9. SMFs Systems Management Functions Applications SMFAs CM FM PM SM AM State Management Attributes for Repre- senting Relationships Object Management Event Reporting Management Log Control Alarm Reporting Management Security Audit Trail Security Alarm Reporting Objects and Attributes for Access Control SMFs Accounting Metering Test Management Workload Monitoring Summarization CMIS Get Set Action Cancel Get Event Report Delete Create Lower Layer Services Network Management

  10. Internet Management Simple Network Management Protocol SNMP SMI Set/Get/GetNext Req. R MA MO Get Resp. Trap Manager Agent UDP/IP UDP/IP IP Network (Internet) Network Management

  11. What's New in SNMPv2 • No more Trap PDU, 3 New PDUs: • getBulkReq, InformReq, SNMPv2-Trap • Added Security • 18 Error Status Values • SNMPv2 SMI / SNMPv2 MIB • M-to-M Communications • Table Operations • ... Network Management

  12. CMIP vs. SNMP CMIP SNMP GDMO Internet SMI Object-Oriented Object-Based 7 Service Primitives 5 Messages Connection-Oriented Connectionless Event-Oriented Polling Scoping/Filtering GetNext Global Naming (X.500) Local Naming (OID) Security Mechanism Community Name OSI Seven Layers Internet TCP/IP Network Management

  13. X/Open XMP/XOM • X/Open = Portability • XMP • Provide CMIS and SNMP Service API. • Recognizes Both GDMO and SNMP MOs. • XOM • Maps ASN.1 data to a uniform data structure "om_object". • Provide API for the manipulation of om_objects. • Base for XMP Interface. Network Management

  14. OMG's CORBA Common Object Request Broker Architecture • Object Management Architecture Application Objects Common Facilities Object Request Broker Object Services Network Management

  15. Operation System Operation System Operation System Work Stations Σύστημα Μετάδοσης ΣΧΕΣΗ ΤΜΝ & ΤΗΛΕΠ/ΚΟΥ ΔΙΚΤΥΟΥ TMN Δίκτυο Επικοινωνίας Δεδομένων DCN Σύστημα Μετάδοσης Σύστημα Μεταγωγής Σύστημα Μεταγωγής Σύστημα Μεταγωγής Τηλεπικοινωνιακό Δίκτυο Network Management

  16. ΣΤΡΩΜΑΤΑ ΔΙΑΧΕΙΡΙΣΗΣ ΔΙΚΤΥΟΥ • Επιχειρησιακή Διαχείριση (BML) • Διαχείριση Υπηρεσιών (SML) • Διαχείριση Δικτύου (NML) • Διαχείριση Στοιχείων Δικτύου (EML) • Στοιχεία Δικτύου (NE) Network Management

  17. TMN A΄ Επίπεδο BML SML NML Αθήνα TMN B΄ Επίπεδο SML, NML EML …… Δίκτυο Επικοινωνίας Δεδομένων TMN Γ΄ Επίπεδο, 42 Θέσεις EML Στοιχεία Δικτύου ΑΡΧΙΤΕΚΤΟΝΙΚΗ TMN ΣΤΟΝ OTE Network Management

  18. ΕΘΝΙΚΟ ΣΥΣΤΗΜΑ ΔΙΑΧΕΙΡΙΣΗΣ ΔΙΚΤΥΟΥ NMC 2 NMC 1 NMC 2 NMC 2 ΘΕΣΗ Α΄ ΕΠΙΠΕΔΟΥ ΘΕΣΕΙΣ Β΄ ΕΠΙΠΕΔΟΥ ΘΕΣΕΙΣ Γ΄ ΕΠΙΠΕΔΟΥ (ενδεικτικά) Network Management

  19. Issues in Open Management • Standardization is always in progress. • Options in standards will be an interoperability barrier. • Interoperability Testing. • Interworking among standards. • XMP/XOM API Complexity. • Coexistence with Legacy systems. • ... Network Management

  20. Potential Solutions • International Standard Profiles (ISPs). • Agreements and Specifications of NM Forum, OMG, X/Open, OSF, ... • IIMC (ISO/ITU-T and Internet Management Coexistence) • A New CMIS API. • Open Management Edge (OME). Network Management

  21. Conclusion • Open management is a big trend. • From element management to service management. • OSI management systems emerge. • TMN: a focal point Network Management

  22. End of Fifth Lecture Network Management

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