A Baker’s Dozen, 2013 Edition

It has become an annual tradition at Renesys to provide a year-end review of how the Internet providers at the top of our Market Intelligence global rankings fared over the previous year. The rapid and continuous evolution of the Internet’s structure and performance remains a huge blind spot for most enterprises, even those critically dependent […]

Protests Lead to Outage in Thailand

Tensions in Thailand are high as a week of anti-government protests have turned violent and continue unabated. However, in an apparent reversal of a common theme with anti-government protests in recent years, multiple news sources have reported that protestors temporarily cut off a large portion of Internet service to their country. For example, The New […]

The New Threat: Targeted Internet Traffic Misdirection

Traffic interception has certainly been a hot topic in 2013. The world has been focused on interception carried out the old fashioned way, by getting into the right buildings and listening to the right cables. But there’s actually been a significant uptick this year in a completely different kind of attack, one that can be […]

Google DNS Departs Brazil Ahead of New Law

Update (4:20PM, 22 Nov 2013): In response to recent NSA spying allegations, Brazil is pressing ahead with a new law to require Internet companies like Google to store data about Brazilian users inside Brazil, where it will be subject to local privacy laws. The proposed legislation could be signed into law as early as the […]

Submarine Cables Add Resilience But Paths Still Matter

Last month, I had the honor of opening the second day of the Submarine Networks World 2013 conference at the Marina Bay Sands in Singapore. Using a handful of recent examples, I demonstrated that, while new submarine cables certainly contribute to physical diversity and hence increased Internet resiliency, cables alone do not necessarily reduce traffic […]

Iraqi Government Tries, Fails to Shut Down Internet

In an attempt to impose sanctions on its own ISPs over their failure to follow its pricing guidelines, the Iraqi Ministry of Communications last week resorted to an unorthodox regulatory tactic: shutting down the Internet at the GBI cable landing in Al Faw (Basra), and across the border with Jordan. Media reports suggest that the […]

Restoration of Internet in Aleppo, Syria

Update #2 (11:40 AM ET, 11 Oct 2013) Aleppo returns Update (12:38 PM ET, 10 Oct 2013) Aleppo down In late August, we reported the Internet blackout in war-torn Aleppo, Syria. The outage occurred as Syrian state telecom, STE, lost its connection to Turk Telecom in neighboring Turkey. (It should be noted that STE’s connection […]

Why Internet Paths Matter: Performance

Remember the Information Superhighway? It’s what some folks used to call the Internet back in the 1990s. Those of us lucky enough to have access from home were using dial-up modems that were over 1,000 times slower than the cable modem I’m using right now. Nothing very Super about that and the Internet has never […]

Will Iran Follow Sudan in Leaving the Internet?

As Iranian President Hasan Rouhani addressed the United Nations for the first time this week, people all over the world took to the Internet to hear and discuss his message, many for the first time. They saw a statesman exercising what Ayatollah Khamenei has called “heroic flexibility” — the will to consider all possibilities for […]

Internet Blackout in Sudan

Update (8:01 ET, 26 Sep): A few hours ago, we observed a total Internet blackout in Sudan and, as we publish this blog, the Internet remains largely unavailable. By count of impacted networks, it is the largest national blackout since Egypt disconnected itself in January 2011. The massive outage came as the government began a […]

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