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October 02, 2018  11:59 PM
Ulaanbaatar, Mongolia
Whenever you get into a conversation about exotic travel or ponder visiting the four corners of the globe, inevitably you end up discussing Ulaanbaatar in Mongolia. ...
August 19, 2018  5:00 PM
African traffic growth and predictions for the future
Looking back at our historical data, we realized how much the Internet and Cloudflare grew. With more than 150 data centers, 10 percent of web-based applications, customers everywhere around the world, from the tiny islands in the Pacific to the big metropolises....
April 10, 2018  4:00 PM
Fixing reachability to 1.1.1.1, GLOBALLY!
Recently we announced our fast, privacy-centric DNS resolver 1.1.1.1, supported by our global network. As you can see 1.1.1.1 is very easy to remember, which is both a blessing and a curse....
September 07, 2017  8:58 PM
The Story of Two Outages
Over the last two days, Cloudflare observed two events that had effects on global Internet traffic levels. Cloudflare handles approximately 10% of all Internet requests, so we have significant visibility into traffic from countries and networks across the world....
June 07, 2017  12:47 PM
How we built rate limiting capable of scaling to millions of domains
Back in April we announced Rate Limiting of requests for every Cloudflare customer. Being able to rate limit at the edge of the network has many advantages: it’s easier for customers to set up and operate, their origin servers are not bothered by excessive traffic or layer 7 atta...
November 30, 2016  1:00 AM
Not one, not two, but three undersea cables cut in Jersey
Sometime before midnight Monday (UK local time) a ship dropped its anchor and broke, not one, not two, but three undersea cables serving the island of Jersey in the English Channel. ...
November 08, 2016  6:56 PM
The Internet is Hostile: Building a More Resilient Network
The strength of the Internet is its ability to interconnect all sorts of networks — big data centers, e-commerce websites at small hosting companies, Internet Service Providers (ISP), and Content Delivery Networks (CDN) — just to name a few. ...
August 18, 2016  1:01 PM
The Cuban CDN
On a recent trip to Cuba I brought with me a smartphone and hoped to get Internet access either via WiFi or 3G. I managed that (at a price) but also saw for myself how Cubans get access to an alternate Internet delivered by sneakernet....
July 08, 2014  10:00 AM
ReplayLastGoal and CloudFlare: Fanning World Cup Flames
The World Cup is, at once, exhilarating and agonizing, and not just for those lucky souls in Rio or Manaus, folks working from home, or anyone else sitting happily in front of a TV....
May 31, 2013  11:10 AM
Today's Network Issue
Today at 16:13 UTC a large amount of traffic began hitting our Los Angeles data center. We have an in-house team that monitors our network 24x7x365 and immediately all their alarms went off....
May 07, 2013  2:13 PM
How Syria Turned Off the Internet (Again)
Today at 18:48 UTC, Syria dropped off the Internet. Based on the data we collect from our network, as well as reports from other organizations monitoring network routes, it appears that someone systematically withdrew the BGP. ...
January 11, 2013  2:27 AM
Today's System-Wide Upgrade
Today from 21:00 - 23:00 UTC CloudFlare scheduled a maintenance window. During that time, CloudFlare's interface was offline. While it was only two hours of time (and we finished a bit early, at 22:16 UTC) what went on during that window had been in the works for several months. ...
December 01, 2012  3:35 PM
Syrian Internet access reestablished starting 1432 UTC
Syria has reestablished partial connectivity to the Internet. The following map of BGP connectivity shows Syria's 29386 network connected to multiple networks outside Syria....
November 29, 2012  8:13 PM
How Syria Turned Off the Internet
Today, 29 November 2012, between 1026 and 1028 (UTC), all traffic from Syria to the rest of the Internet stopped. At CloudFlare, we witnessed the drop off. We've spent the morning studying the situation to understand what happened. ...