![]() ![]() ![]() Tierney and ESnet Using TCPDump, TCPTrace, & XPlot to Debug Network Problems Jason Zurawski - ESnet Science Engagement October 16 th, 2013Ģ Agenda Introduc)on TCPDump Isolate & Capture Traffic TCPTrace Analyze Captured Traffic XPlot Graphical Display of Flows Example of Use Real Example (Performance Through a Firewall) 2 ESnet Science Engagement - 10/16/13ģ Introduction The TCP protocol hides performance details from the user Unless the Kernel is instrumented with Web100/ Web10G, gepng a per flow record of occurrences such as retransmissions and )meouts is not readily available There are two methods to learn more about the TCP stream of an applica)on: Applica'on Instrumenta'on internal record keeping Passive Observa'on from external applica)ons 3 ESnet Science Engagement - 10/16/13Ĥ Introduction Goals: Record of key metrics related to TCP Convert into sta)s)cs about a flow (e.g. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |