| Table of Contents |
|---|
All Countries
In this case we tried smoothing the data with a running average over the last week (7 days bearing in mind that since we only recorded weekdays only 5 days were joined in the running average). This also means that the days shown at the bottom are in some sense 7 days ahead of the data. We gave up on this and instead decided to look at all days and the individual countries and their hosts.
...
- www.criba.edu and ns1.criba.edu.ar the two hosts in Buenos Aires with R&E links track one another fairly closely
- following the Mar 19 lockdown, the following 20 days had a lower IPDV for www.criba.edu and ns1.criba.edu.ar, then fro for Apr 11-17 there is an increase in IPV followed by another 4 weeks of low IPDV compared to Feb 1- Mar 17.
- The spreadsheet can be found here.
Brazil
PingER monitors 14 hosts in Brazil. Eight are connected to SLAC by high performance Research and Education (R&E) network links traversing ESnet, AMPATH, RNP and FAPERT. The other six are connected by public networks.
...
- www.globalone.com.br has a strangely high IPDV until late February.IPDVs of hundreds of milli seconds. Looking at the hourly ping RTTs we see
- Starting Mar 16 the IPDV to www.uern.br in Rio Grande do Norte increases by over a factor of 2 for over a month
- The hosts ns.dns.br and www.registo in Brasilia track one another both seeing an increase in IPDV starting Mar 12
- The R&E host access.sprace.org.br has a strangely high IPDV
- The two R&E hosts at UNESP in Sao Paolo track one another fairly closely both seeing a spike in IPDV Mar 11 followed by a sustained increase until the end of April
- The two linea.gov.br hosts track one another closely as might be expected. From Feb 1-Mar 17, the average IPDV of the two linea hosts is 0.29+-0.07msec, whereas from Mar 18 thru Apr 1 the average drops to 0.075+- 0.07msec.
...
PingER monitors 3 hosts in Paraguay: a commercial host belonging to Salomoni and Associates Attorneys and Counselors salomoni.com.py, a commercial host at the National Secretary of Culture www.cultura.gov.py and the Universidad Nacional de Asuncion. All are in the capital Asuncion. According to https://en.wikipedia.org/wiki/COVID-19_pandemic_in_Paraguay, on 10 March 2020, the Paraguayan government suspended classes and all activities that involve groups of people, as well as public and private events. On Mar 15 the government announced a nighttime curfew was announced. On Mar 20 the first death and the first case of community transmission were confirmed and the government declared a total quarantine and public movement is restricted to buying food, medicine and other essential items. In the IPDV chart below there are increases in the daily IPDV for both salomoni.co.py and www.cnc.una.py around 3/16/2020. Again around Mar 20 salomoni.com./py increases and this time persists through the following month. The drop in IPDV for www.cultura.gov.py does not appear to be related to the above interventions. The spreadsheet is here.
...