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Network Management: Business and Architectural Aspects

This chapter covers the business aspects, architectures, and technologies related to network management. It explores topics such as cost containment, outsourcing, flexibility, and various management frameworks.

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Network Management: Business and Architectural Aspects

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  1. Chapter 14Network Management • Business Aspects • Architectures • Technology

  2. Business Aspects • Quality of service • Cost containment issues • Outsourcing • Flexibility

  3. Cost Containment Issues • Inventory • Support costs • Consolidate and centralize • Process redesign • Standardize

  4. Outsourcing • Objectives • Cost-effective • Secure • International network support personnel • Success factors • Identify process • Select right outsourceing • Management outsourcing

  5. Flexibility • Objectives • Reasonable cost • Meet changing business opportunities • Success factors • Remove proprietary hardware and software • Adopt open protocols and off-the-shelf hardware & software technology • Adopt open APIs & module management package

  6. Architectures • System Administration • Enterprise Network Management • ISO Management Framework • Consolidated service desk

  7. System Administration • Server management • Help desk management • Configuration management • Desktop management • LAN management • Distributed application management

  8. Server Management • Diagnose & fix hardware problems • Diagnose & fix software problems • Capacity planning & performance monitoring • Remote configuration • Report generation

  9. Help Desk Management • Tool: computer telephony integration • Automatic call distributors & interactive voice response units • Knowledge base • Search engine • Functions • Problem solving • Reporting • Method: three tiers

  10. Configuration Management • Objective: single sign on • Policy-based management tools: • User access right • Desktop start-up applications • Enforce virus checking or metering • Facilitate changes • Prevent unauthorized software

  11. Desktop Management • Architecture & protocol • Desktop Management Task Force (DMTF) • Desktop management interface (DMI) • Management information format (MIF) • Functions • Hardware & software management • Software distribution • License metering • Server monitoring • Web server monitoring • Network monitoring • Virus protection • Help desk support • Remote control management • Reporting

  12. Enterprise Network Management • Architecture & protocol • Software type • Functions • Vendor • Other tools

  13. Architecture & Protocol • Simple network management protocol (SNMP): centralized approach • Agents • Management information base (MIB) using objects • Remote network monitoring MIB (RMON MIB) • Distributed device manager using distributed network probes

  14. Architecture & Protocol • Web-based enterprise management (WBEM) by IETF • Hypermedia management protocol (HMMP) • Hypermedia management schema (HMMS) • Hypermedia object manager (HMOM) • Common information model (CIM) by DMTF • Modified object forma (MOF)

  15. Software Type • Point product • Frameworks • Integrated suites

  16. Functions • Track distributed applications • Reporting • Perform repetitive system management tasks • Improve application performance

  17. Vendors • HP Openvire • IBM System View • Sun Soft Solstice Enterprise Manager

  18. Other tools • Network analyzer • Monitoring • Simulation • Auditing

  19. Network Analyzer • Purpose • Traffic analysis • Types • Software • Hardware • Combination • Selection consideration • OS compatibility • Database compatibility • Network size and architecture • Protocol & application support • User interface • Report

  20. Monitoring • Network baselining tools • Performance reporting

  21. Simulation • Network modeling tools • What-if analysis for bottlenecks • Current system • New application or configuration • Reproduce problems

  22. Simulation Selection Criteria • Network type • Network scope • Network service • Network device • Network protocol • Traffic attributes • User interface • Report

  23. Auditing • Log of file access • Log of file, application, configuration changes • Log of login & logout • Flexibility: no. of user & file • Security • Report

  24. ISO Management Framework • Fault management • Configuration management • Performance management • Security management • Accounting management

  25. Assignment • Review chapters 8-12 • Prepare exam

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