1. Introduction of CRON Lin Xue Feb.12 2010

3. What is CRON “cron.cct.lsu.edu” testbed project is based on the Emulab system in the University of Utah. Emulab: the facility and the software system for network emulation. Purposes: to give hardware level testing environment, especially for those researchers perform hardware level system simulation in high precise virtual reality networks.

4. What can CRON do? 1. common speed (100Mbps or 1000Mbps) of Ethernet emulation, including traffic delay test, package corruption test, package re-ordering test, and different topologies of traffic design. 2. high speed network emulation, such as 10Gbps optical network interface card and 10Gbps hardware emulator. 3. advanced TCP/IP network protocol will be tested based on implementation in kernel among different operation systems. Such experiments will ultimately evaluate the current TCP/IP protocols as long as kernel performance (Linux, UNIX). And give implication of future generation solution around high speed network.

5. QoS on CRON Users can specify how it should adapt under overload conditions global scheduling service to divide tasks and flows among network components