While we were asleep last night it appears that Google suffered a major outage of its search, email and calendar services among other affiliated services such as YouTube and Google News.
What became glaringly apparent during this outage is that Google IS the Internet. The graph below shows the point where Google failed at roughly 10:15am ET (USA).
The graph above is from Arbor Networks who has monitoring equipment in just about every ISP across the US. This graph shows the average traffic of just 10 of the top Tier 1 and 2 ISP's in the country. It is astounding that the traffic drops from around 15Gbps down to 1Gbps at the time of the crash.
Google has yet to officially state what happen but they did equate the outage to "planes piling up" to explain the meltdown. Essentially, a core router failed causing all Google traffic to route through backup routes causing congestion. Too much congestion and the route slows to a crawl and pages will time out for the end user.
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