By Paolo Pileggi Supervisor: Prof. Pieter Kritzinger 9 May 2007 1.

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Presentation transcript:

By Paolo Pileggi Supervisor: Prof. Pieter Kritzinger 9 May

 Wireless Internet (WIN)  WIN subset of WMN  Evaluate WMN performance under various protocols and schemes.  IEEE802.11x DCF (Andrew Symington)  OLSR Routing Protocol (Stephen Asherson) 9 May

 Experiments with a hardware testbed  Software simulation  Analytical modelling Limitation and Tradeoff 9 May

 Experiments with a hardware testbed  Software simulation  Analytical modelling 9 May

 DNA’s wireless hardware testbed  MERAKA Institute, Pretoria 49 node wireless mesh  Andrew Symington  Other: MIT Roofnet, UCSB MeshNet, … 9 May

 Experiments with a hardware testbed  Software simulation  Analytical modelling 9 May

 Discrete event simulation  OMNeT++ simulation environment  Other: NS-2, Glomosim, … 9 May

 Experiments with a hardware testbed  Software simulation  Analytical modelling 9 May

 MQN theory  Workload Distribution Assumptions  DNA’s MicroSNAP  Other: Markov theory, … 9 May

 Experiments with a hardware testbed  Software simulation +  Analytical modelling Software Testbed 9 May

 Bring together simulation and analytical modelling in one tool  Three components: Machine model Network workload Reporting mechanism 9 May

 Machine model Nodes, links, protocols, schemes, …  Network Workload Network parameters (Inter-arrival time distributions, mean packet length, …)  Reporting mechanism Same for analytical approach and simulation  Parameters to report Mean throughput Mean response time Utilisation Mean queue length 9 May

 Compare analytical and simulation results …  … and possibly the hardware testbed  Success = (achieving our goal) Meeting software testbed requirements + evidence of a correctly working tool 9 May

 1-2 August Demonstrate prototype  15 Oct Report: first draft  19 Oct Final Report Hand-in  23 Oct Poster and Web page hand-in  Nov Final Project Presentation 9 May

 Human Resources Andrew Symington (AS) - User Stephen Asherson (SA) - User Paolo Pileggi (PP) Pieter Kritzinger (PSK) - supervisor  Requirements: PP, AS & SA  Design: PP, AS & SA  Development: PP  Testing: PP & AS (possibly)  Reporting, Web page, Poster & presentation: PP 9 May

Questions? 9 May