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Voice over IP (VoIP) Management IKTA5-092/2002 March 2003 – April 2004

Research and development of a VoIP management system for fault management, performance management, and configuration and optimization of integrated packet networks. Aimed at improving quality of service and addressing network management challenges.

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Voice over IP (VoIP) Management IKTA5-092/2002 March 2003 – April 2004

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  1. Voice over IP (VoIP) ManagementIKTA5-092/2002March 2003 – April 2004 by Department of Telecommunications and TelematicsBudapest University of Technology and Economics Ericsson Hungary Ltd. and KOVAX’95 Ltd. http://w3.ttt.bme.hu/ikta-voip

  2. 1. The Consortium • Coordinator: • Department of Telecommunications and Telematics,Budapest University of Technology and Economics, Budapest • Home page: http://www.ttt.bme.hu • Project leader: Dr. Tamás Henk • Team leader: Róbert Szabó,Ph.D. • Consortium member(s): • Ericsson Telecommunications Ltd., Budapest • Home page: http://www.ericsson.hu • Team leader: Gábor Magyar, Ph.D. • KOVAX’95 Ltd. • Team leader:József Kovács IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  3. 2. Background • Convergence of traditional and TCP/IP systems • Integrated voice and data networks • Cost saving • Value added services • Mobile communication ... • TCP/IP systems • Planning • Problematic: best-effort approach, without service guarantees • Operation and maintenance (OAM) • Service level monitoring is missing • Lack of management systems • Lack of high availability IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  4. 3. Project Goals • Research and development of a VoIP management system with • FAULT management • PERFORMANCE management and • CONFIGURATION and OPTIMIZATION for integrated packet networks IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  5. Telephone Lotus Notes Direction Web form Knowledge-base,decision support HelpDesk Analysis Event and workflow handling Change Management Fault detection Fault Repair Network device rec. Inventory Database 3.1.1 Fault Management Objectives: • Semi automated fault discovery • Semi automated fault recovery • Fault tracking • Decisionmakingsupport IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  6. 3.1.2 Fault Management • Algorithm based fault-recovery mechanism • Detection -> Analysis -> Solution proposal • Value added part • Intelligent root-cause analysis • Device-close solution proposal (based on knowledge-base of the managed devices Analysis Fault detection Knowledge-base,decision support Network IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  7. Bandwidth Broker 1 Radius server Gateway Bandwidth Broker 2 3.2.1 Performance Management Objectives • Connection admission control • Traffic engineering and traffic management • Co-dec selection and traffic aggregation Centralized resource management architecture: IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  8. QoS Routing and LB Inter-domain cont. VoIP traffic measurement Trace files and statistics Code Code BB specification VoIP traffic modeling Parametrization Simulations Code and doc. Simulations Preparing traffic generator and analyzis of voice quality BB prototype Analyzis and development of CAC algorithms Performance analysis 3.2.2 Performance Management – Project flowchart IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  9. 3.3 Configuration and Optimization Objective: Resource management and optimization • Optimal aggregation of VoIP traffic • VPN for VoIP • Network Design • Dimensioning • Optimization • Protection IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  10. 4. Expected Results • Scientific publications • Influence on the education • Methods and algorithms • Knowledge bases; decision support • Quality of service improvement • Fault management prototype • Bandwidth broker research prototype • Algorithm repository and GUIs IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  11. 5.1 Partner: DTT/BUTE Department of Telecom. & Telematics,Budapest University of Techn. & Economics • Established in 1991 • High Speed Networks Laboratory • Cross departments cooperation • 11 research groups • Traffic modeling and performance • Network optimization • Multimedia systems and services • Quality of service • Mobile communications • Security, protocol design and testing, etc... IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  12. Research @ Traffic Lab Large scale IP network configuration management Network dimensioning Network planning and Traffic engineering Traffic modeling IP mobility Real-time routing Measurement based admission control Network performance measurements 5.2 Partner: Ericsson Hungary Ltd. IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  13. Partner(3/3): KOVAX’95 Ltd. • Established in 1995 • Objectives • To realize a competitive development team able to handle mammoth projects • Strength • Development of high performance management systems • References • Matáv, a Hungarian Teleco., help desk and change management system IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

  14. Summary • Project: IKTA5-092/2002 Voice over IP (VoIP) Management • Schedule: March 2003 – April 2004 • Consortium: • Dept. of Telecom. & Telematics, BUTE • Ericsson Hungary Ltd. • KOVAX’95 Ltd. • Contact us: • http://w3.ttt.bme.hu/ikta-voip • Dr. Tamás Henk <henk@ttt-atm.ttt.bme.hu> • H-1117 Budapest, Magyar Tudósok krt. 2. Tel.: (36-1)-463-4187 IKTA5-092/2002 ~ http://w3.ttt.bme.hu/ikta-voip

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