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ENTWURF, ERRICHTUNG, BETRIEB VON DATENNETZEN VU 184.149

ENTWURF, ERRICHTUNG, BETRIEB VON DATENNETZEN VU 184.149. Dr. Manfred Siegl m.siegl @ citem.at. N E T Z M A N A G E M E N T. „In Wirklichkeit sind wir alle abhängig von Euch.“ „Wenn das Netz nicht funktioniert, funktioniert gar nichts.“. „Was erwartest Du vom Netz?“

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ENTWURF, ERRICHTUNG, BETRIEB VON DATENNETZEN VU 184.149

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  1. ENTWURF, ERRICHTUNG, BETRIEBVON DATENNETZENVU 184.149 Dr. Manfred Siegl m.siegl@citem.at

  2. N E T Z M A N A G E M E N T „In Wirklichkeit sind wir alle abhängig von Euch.“ „Wenn das Netz nicht funktioniert, funktioniert gar nichts.“ „Was erwartest Du vom Netz?“ „Das es immer gut funktioniert.“

  3. N E T W O R K M A N A G E M E N T Error Events Manager Policy Resources Available Management Resources

  4. FAULT ACCOUNTING CONFIGURATION PERFORMANCE SECURITY RELIABILITY AVAILABILITY CABLING FUNKTIONALITY SAVE OF INVESTMENT FUNCTIONAL AREAS OF NETWORK MANAGEMENT International Standard Organisation ISO, „Information processing System - Open Systems Inter- connection - Basic Reference Model - Part 4: Management Framework“, IS 7498-4, ISO/IEC, 1989

  5. Corporate Goal Enterprise oriented Informal Description Strategy Policy Management Decision Transformation Management Scripts Managed Objects Technology oriented Formal Description Network Resources POLICY HIERARCHIE

  6. ZIELE UND ANFORDERUNGEN • Bandbreite • Verzögerung • Verfügbarkeit • Zuverlässigkeit • Kostenminimierung • Ausreichende Performance • Ausreichende Verfügbarkeit • Ausreichende Sicherheit

  7. KLASSIFIZIERUNG DER ZEITLICHEN ANFORDERUNGEN • Isochron • Synchron • Asynchron konstante Verzögerung keine Verzögerungsvarianz beschränkte Verzögerung Verzögerungsvarianz erlaubt keine Beschränkung der Verzögerung und der Verzögerungsvarianz

  8. NETWORK MANAGEMENT ACTIVITY LOOP Error Event Representation of Operation Status Recognition Characteristic Values Interpretation and Evaluation Policy Resources Perform Control Operation Decision Available Management Resources

  9. ENTITIES OF SNMP • Management Information (MIB) • Managed Node (Agent) • Management Station (NMS) • Management Protokoll (SNMP)

  10. NMS Management Application Agent Agent Agent SNMP BASIC DESIGN (1)

  11. NMS Management Application SNMP BASIC DESIGN (2) NMS Management Application Agent Agent Agent

  12. SNMP BASIC DESIGN (3) NMS NMS Management Application Management Application Agent Agent Agent

  13. PROXY AGENT Management Application Proxy Agent Agent

  14. Management Application Agent Management Application Agent DUAL ROLE ENTITY

  15. INBAND MANAGEMENT Management Application User Network Agent Agent Agent

  16. OUTBAND MANAGEMENT Management Application User Network Agent Agent Agent

  17. PROTOCOL STACK FTP TELNET TFTP SNMP TCP UDP IP ETHERNET

  18. SNMP STRUCTURE Presentation/Visualisation AGENT Management Application Protocol Stack / Interface Managed Object Managed Object Protocol Stack / Interface Instrumentation MANAGER Resource

  19. Manager Agent Resource TYPES OF INSTRUMATIONS

  20. OBJECT IDENTIFIER - OID ROOT CCITT (0) ISO (1) JOINT-ISO-CITT (2) ORG (3) DOD (6) INTERNET (1) MNG (2) EXPERIMENTAL (3) PRIVATE (4) MIB-II (1) ENTERPRISES(1) SYSTEM (1) INTERFACE (2) AT (3) CITEM (1093) SYSTEMS (1) SUBMGR (2) IFNUMBER(1) IFTABLE (2) . ISO . ORG . DOD . INTERNET . MNG . MIB-II . INTERFACE . IFNUMBER . 1 . 3 . 6 . 1 . 2 . 1 . 2 . 1

  21. TABLES CITEM SYSTEMS SUBMGR FANO THRSRV SUBMGRTABLE SUBMGRENTRY MGMTHOST MGMTPROC MGMTINDEX MGMTVAUES 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 1001 1001

  22. Manager Agent PROTOCOL DATA UNITS get request 1.3.6.1.2.1.1.4.0 1.3.6.1.2.1.1.4.0 get response get next request 1.3.6.1.2.1.1.4.0 1.3.6.1.2.1.1.5.0 get response set request 1.3.6.1.2.1.1.4.0 1.3.6.1.2.1.1.4.0 get response trap event

  23. ACCESS RIGHTS READ-WRITE READ-ONLY READ-CREATE WRITE-ONLY WRITE-CREATE NOT-ACCESSIBLE

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