Deconstructing the Great Firewall of China
In our last post on censorship, we surveyed a range of countries around the world that engaged in content filtering on the Internet. Among them was one system of censorship whose sophistication stood...
View ArticleThe Emergence of China’s New Weapon: the Great Cannon
We last left off our exploration of China’s censorship system at an in-depth analysis of the content-filtering technical behemoth that is the Great Firewall. But the Great Firewall isn’t the only play...
View ArticleEnterprise Agent Deployment and China Performance at Zendesk
In this post from ThousandEyes Connect San Francisco, we’ll discuss the presentation by Steve Loyd, Vice President in Engineering Operations at Zendesk. Steve has worked in operations at a number of...
View ArticleMake Network Insights Accessible with Embedded Report Widgets
ThousandEyes reports have seen dramatic updates in the past few months — not only have a number of new data visualizations been introduced, but the ways in which insights from reports can be shared...
View ArticleTrans-Atlantic Issues in the Level 3 Network
Beginning at 10:55pm Pacific on May 3, 2016, the Level 3 network experienced severe network issues across several coastal locations in the U.S. and the U.K. The incident was mentioned on the Outages...
View ArticleThe Ongoing War Between China’s Great Firewall and Circumvention Tools
In previous posts, we’ve explored many of the pieces that make up China’s vast system of censorship, including the Great Firewall, a huge content-filtering machine, and the Great Cannon, a powerful...
View ArticleDDoS Attack Has Varying Impacts on DNS Root Servers
On June 25, 2016, all 13 DNS root servers suffered from a major distributed denial-of-service (DDoS) attack. This wasn’t the first time in recent memory that attacks were aimed at critical DNS...
View ArticleAnalyzing Internet Performance Issues with Traffic Outage Detection
If you’ve ever suffered from a large-scale outage and not known where to turn for reliable updates and information, you’re not alone. Today’s launch of Internet Outage Detection marks the culmination...
View ArticleIdentifying Root Cause with Routing Outage Detection
In the second installment of our exploration of the new Internet Outage Detection features, we’ll delve into the dark art that is BGP routing. When routes go awry, prefixes often become unreachable,...
View ArticleComprehensive Alerting for Route Leaks and Hijackings
In past blogs, we’ve explored a specific BGP issue that can have far-reaching, large-scale impacts on networks across the Internet: route leaks and hijackings. In this post, we’ll discuss alerting for...
View ArticleNANOG 68: Decoding Performance Data from Large-Scale Internet Outages
At NANOG 68 in Dallas, TX on October 18, 2016, ThousandEyes CEO Mohit Lad presented on recent outages that had large-scale effects on Internet infrastructure and availability. During his talk, Mohit...
View ArticleOptimizing WAN to Deliver SharePoint Online Globally
In this post from ThousandEyes Connect New York, we’ll summarize the talk by Scot Clark, Enterprise Infrastructure Solutions Manager at a Forbes Top 150 multinational consumer goods company. During...
View ArticleRunning Low Latency on Hi-Rez’s Online Gaming Network
In this post from ThousandEyes Connect New York, we’ll summarize the presentation by Nabil Ismail, VP of Operations & Technology at Hi-Rez Studios. During his talk, Nabil described his team’s...
View ArticleWhat Does Collective Intelligence Mean for Network Ops?
Over the past year, we’ve witnessed the development of a new and important movement in the networking community: Collective Intelligence. While the meaning of Collective Intelligence has evolved, its...
View ArticleBest Practices to Combat Route Leaks and Hijacks
In past blogs, we’ve explored how you can alert for and diagnose BGP route leaks and hijacks. Route leaks and hijacks—routing events where illegitimate prefixes are wrongly propagated through the...
View ArticleBenchmarking Network Performance in China
As businesses expand their operations to rapidly developing new markets like China, we are excited to announce that we too are expanding our horizons at ThousandEyes. We have increased our set of...
View ArticleAWS S3 Outage Likely Caused by Internal Network Issue
On Tuesday, February 28th, 2017, the US-East-1 region of Amazon Web Services S3 saw a complete outage from 9:40am to 12:36pm PST. AWS S3 (Simple Storage Service) is a cloud object storage solution...
View ArticleMonitoring Application Delivery in China
As we discussed in our first post about benchmarking network performance in China, half of the battle of monitoring applications in China is setting new expectations for what performance should...
View ArticleMonitoring DNS in China
In our previous post, Monitoring Application Delivery in China, we discussed a myriad of issues that can affect the performance of applications delivered to users in China. Of these issues,...
View Article2017 Update: Comparing the Performance of Popular Public DNS Providers
In May 2015, guest blogger Mehmet Akcin wrote about his findings from measuring and comparing latency to a number of popular public DNS services from hundreds of vantage points located across the...
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