New world request throttled3/18/2023 ![]() A growing body of anecdotal evidence indicates that other repressive regimes are beginning to copy Iran’s lead, with reports emerging of internet throttling in Bahrain, Syria, Tibet and Myanmar. There is an urgent need for better monitoring elsewhere too. ![]() This may well be possible in the future given the increasingly widespread use of M-Lab’s diagnostic tools. Of course, more data is needed to reveal the nature of Iranian internet throttling in greater detail, says Anderson. However, the disruption was well below that experienced during other periods, a finding that gives weight to the notion that the internet in Iran is the subject of deliberate, centrally-controlled throttling. He says this event caused a marginal increase in average and minimum round trip times for data as a result of data being routed over longer distances to M-Lab servers. To get an idea of the impact of an ordinary outage, Anderson studied the effects of an attack by the Kurdistan Workers Party on an international oil pipeline which also cut an important telecommunications link with Turkey. In addition, Anderson says there are another eight or nine shorter periods during which internet performance slows suspiciously.Īn important task is to distinguish periods of throttling from ordinary routing failures that are also common in Iran. In October 2012, there were widespread currency protests. ![]() During the winter of 2011, for example, two former presidential candidates were held under house arrest because of their reformist activities, triggering condemnation within Iran. During the first of these periods, download throughput dropped by 77 per cent and in the second it dropped by 69 per cent.īoth of these occasions coincide with periods of unrest in Iran. “We find two significant and extended periods of potential throttling within our dataset, occuring November 30 2011- August 15 2012 and October 4 - November 22 2012,” he says. He says the results clearly show evidence of internet slowing on several occasions. Anderson’s analysis focuses on the data gathered from Iran since 2010.
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