PERT Training Workshop


SWITCH Offices, Zurich, Switzerland, 19 - 21 September 2007


This hands-on workshop has been designed to equip NREN staff to establish and operate national and local PERTs (Performance Enhancement and Response Teams) within the proposed federated structure. The course will cover both the draft procedures and the technical aspects of running a PERT and will provide technical guidance, tips and information about how to investigate and resolve issues. It will also cover the various tools, techniques and methodologies that you can employ to investigate issues.


  • Describe the rationale for and the structure and ethos of a federated PERT
  • Be able to set up local and regional PERTs within a federated PERT structure
  • Gather feedback about the evolution of the PERT and its systems
  • Describe the methodologies used to investigate performance issues
  • Be able to use a variety of tools to investigate performance issues


  • Overview: What is the purpose of the PERT and why choose a Federated Structure?
  • The 'Workflow' and Procedures of a Federated PERT
  • Setting up PERT Organisations: Roles, Responsibilities and Profile-Raising
  • PERT Systems and Procedures: PERT Tickets and the Knowledge Base
  • Network Performance and User Expectations
  • Bulk Transfers under TCP
  • The Methodology of Performance Issue Investigation
  • Investigative Tools:
    • RTT Measurement with Ping
    • Network Path Discovery with Traceroute Tools
    • Throughput Measurement Iperf-type Tools
    • TCP Stream Analysis with TCPDUMP and Wireshark
  • How Middleboxes Impact Performance
  • Campus Network Devices - Common Issues