Month: August 2009

The Internet After Dark (Part 2)

This blog completes our informal three week study of Internet daily traffic patterns. Using data from the Internet Observatory, we analyzed weekday application traffic across 110 geographically diverse ISPs, including some of the largest carriers in North American and Europe. We believe this report (and […]

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The Internet After Dark (Part 1)

After dark when the dinner dishes are put away and the kids are safely tucked into bed, the Internet subtly changes. Starting in the twilight of early evening, business traffic slows to a crawl, previously dormant applications flicker on home computer screens, and like clockwork, […]

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The Other Attacks Last Thursday

Yesterday morning was a busy time for Internet security. As an illustration of this activity, the graph below shows a summary of attack traffic across the 77 Observatory ISPs reporting anonymized attack statistics. Each line or rectangle represents a distinct attack (we saw over 770 […]

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Where Did All the Tweets Go?

At roughly 9:00am (EDT) this morning, the Twitisphere fell silent (or at least significantly fewer twitters). And though you could not follow the outage via tweets, Twitter’s blog announced the popular site was under DDoS. The below graph shows Observatory data from 55 providers around […]

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