Table of ContentsESnet End-to-end Internet Monitoring Our Main Tool (PingER) is Ping Based PingER - It’s everywhere you want to be Detailed Tabular information available by clicking on name or number Individual node graph available by clicking on Monitoring site How does it look for good connections (National first) Response time function of distance + hop delays Problems ESnet to US University Problems ESnet to International Problems ESnet to International RTT ~ depends on distance & hop delays It’s getting better all the time 1/2 It’s getting better all the time 2/2 Effects of bandwidth & vacations |
Author: cottrell
Email: cottrell@slac.stanford.edu Home Page: http://www.slac.stanford.edu/grp/scs/net/talk/ Other information: |