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

2.  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 2007 2

3.  Experiments with a hardware testbed  Software simulation  Analytical modelling Limitation and Tradeoff 9 May 2007 3

4.  Experiments with a hardware testbed  Software simulation  Analytical modelling 9 May 2007 4

5.  DNA’s wireless hardware testbed  MERAKA Institute, Pretoria 49 node wireless mesh  Andrew Symington  Other: MIT Roofnet, UCSB MeshNet, … 9 May 2007 5

6.  Experiments with a hardware testbed  Software simulation  Analytical modelling 9 May 2007 6

7.  Discrete event simulation  OMNeT++ simulation environment  Other: NS-2, Glomosim, … 9 May 2007 7

8.  Experiments with a hardware testbed  Software simulation  Analytical modelling 9 May 2007 8

9.  MQN theory  Workload Distribution Assumptions  DNA’s MicroSNAP  Other: Markov theory, … 9 May 2007 9

10.  Experiments with a hardware testbed  Software simulation +  Analytical modelling Software Testbed 9 May 2007 10

11.  Bring together simulation and analytical modelling in one tool  Three components: Machine model Network workload Reporting mechanism 9 May 2007 11

12.  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 2007 12

13.  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 2007 13

14.  1-2 August Demonstrate prototype  15 Oct Report: first draft  19 Oct Final Report Hand-in  23 Oct Poster and Web page hand-in  14-15 Nov Final Project Presentation 9 May 2007 14

15.  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 2007 15

16. Questions? http://people.cs.uct.ac.za/~ppileggi/hons_proj/cs_hons_project.html 9 May 2007 16