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  • They will install the PingER traceroute server, the data gatherer (ping_data.pl) and the Measurement Agent (MA, pinger2.pl). 
  • Les updated the web page on requirements
  • The team will attend this January 2019 meeting.

Amity (Updated 1/3/2019).

Topher (Rain Forest Connection), Bebo, Umar, and Les met via Zoom with Amity team 1/2/2019. See meeting notes.

  • The unreliability was caused by a dynamic address which has now been changed to a static address, also they will get a new UPS to fix power problems.
  • There was a long discussion on Android/ePingER
    • We will use anonymous FTP to gather the data.
    • They will add the GPS coordinates (lat/long) to the MA data. This will enable looking at mobile PingER measurements.
    • The paper on Android/PingER will be presented and published here on Jan 10th 2019.

Adib (Updated 12/15/2018)

  • Adib moved to Turkey recently so he has been fully occupied closing projects in Malaysia and getting ready to work in Turkey. 
  • He will do his best to attend this meeting.
  • Regarding the paper, he will search again for a good journal to submit it to.

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um.
HostStatelast seenStatus
pinger.gzhu.edu.cnIs not working- Disabled10/20/2018 
pingersonar-myren.net.myNo response. Sent email to hafizi@myren.net requesting help 12/24/2018. It was returned with address unknown. Sent email to Johari and postmaster requesting a forwarding address. Postmaster email bounced. Disabled6/26/2018

Host pingable but web server does not respond.

Disabled 1/3/2019

pinger.isra.edu.pkDown, it came up Sep 2-4, 2018. It is pinging, however, all the targets are not responding after 31 tries, email sent to Wajahat 9/18/2018. As of 10/14/2018 it is not pingable.March 6, 2018 
pingeramity.inIt has been working since 28th July. It is unclear how stable it is. It is down again 9/5/2018. Worked again from 9/24/2018 to 9/28/2018. Emailed Amity requesting clarification 10/3/2018. They are looking at it. No response 12/24/2018. It is still unreliable, details of unreliability, e.g. not pingable at times and no data some days, sent email 12/23/2018. Changed from Dynamic to Satis IP address, and will replace UPS.April 27, 2018 

Context:

  • Is there any statistical difference between ICMP and TCP Ping? The context here is the Internet (not data center). This is important because the network stack is different (e.g., MPI over infiniband) and latencies are significantly less.

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