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All posts tagged with: "BGP"

Anatomy of a BGP Hijack on Amazon’s Route 53 DNS Service

Posted by on April 24th, 2018
April 24th, 2018

How does one steal crypto-coins? By hacking DNS and BGP – the two cornerstone protocols governing the Internet. With any cryptographic system, one way to compromise it is to be a man in the middle (MITM) when a transaction is taking place. Both ends of the transaction believe they’re talking to a legitimate party at the other end, but in reality, a malicious actor sits in the middle and alters the information being passed through to their advantage. In case of cryptocurrency, it could be the public key of the transfer recipient. … Read More »

ThousandEyes Helps SIDN Migrate to Anycast DNS

Posted by on April 19th, 2018
April 19th, 2018

When SIDN, one of the world’s largest top-level domain managers, decided to migrate one of their authoritative name servers from Unicast to Anycast to improve performance, they selected ThousandEyes as their network monitoring and intelligence partner. ThousandEyes was able to provide SIDN with the data they needed to understand latency and traffic routes from many different vantage points, so they could identify issues and improve performance — ensuring a successful migration.… Read More »

Top Internet and Cloud Outages of 2017

Posted by on January 17th, 2018
January 17th, 2018

Now that we have rung in the new year and settled into our daily routine, let’s take a few minutes to reflect on the state of the Internet and key outages that shook the world in 2017. Over the past few years, as we analyze many such outage events, we’ve noticed an undeniable trend that governs today’s cloud era: The Internet is the backbone of human communication. We start and end our day with it. Be it calling a ride to work or ordering dinner on the way back, the Internet has a part to play in our quality of life. Which is why when it breaks, it causes havoc.… Read More »

Comcast Suffers Outage Due to Significant Level 3 BGP Route Leak

Posted by on November 7th, 2017
November 8th, 2017

On Monday morning, November 6th 2017, from 9:45am-11:25am Pacific, Comcast suffered a nationwide outage sending several million users of the popular Internet Service Provider into a frenzy. Our analysis has revealed that Level 3 leaked over a thousand routes belonging to Comcast subsidiary networks and their customers. The immediate effect was that instead of traffic going through the Comcast backbone to reach these networks, traffic was forced to go via Level 3.… Read More »

Best Practices to Combat Route Leaks and Hijacks

Posted by on January 26th, 2017
January 26th, 2017

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 Internet—are notoriously difficult to troubleshoot and have the potential to bring down entire swaths of the Internet.… Read More »

Running Low Latency on Hi-Rez’s Online Gaming Network

Posted by on December 21st, 2016
December 22nd, 2016

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 formidable task of ensuring that they continually provide a smooth, fast online experience to their 15+ million gamers across the globe.… Read More »

Top Internet Outages of 2016

Posted by on December 20th, 2016
January 18th, 2017

As we sip on warm holiday beverages and gradually wind down the year, it’s rather customary to reflect on the past and contemplate the future. Following traditions, we took a stroll down memory lane analyzing the state of the Internet and the “cloud”. In today’s blog post we discuss some of the most impactful outages of 2016, understand common trends and evaluate some of the key learnings.… Read More »

NANOG 68: Decoding Performance Data from Large-Scale Internet Outages

Posted by on November 7th, 2016
November 7th, 2016

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 discussed three recent, impactful events: the June 2016 DNS root server DDoS, the May 2016 Sea-Me-We-4 cable cut and the April 2016 AWS route leak. … Read More »

Comprehensive Alerting for Route Leaks and Hijackings

Posted by on September 20th, 2016
September 20th, 2016

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 leaks and hijacks, which is the first step in the process of detecting, diagnosing and ultimately mitigating these notoriously difficult-to-troubleshoot events.… Read More »

Identifying Root Cause with Routing Outage Detection

Posted by on July 26th, 2016
November 10th, 2017

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, and impacts can reverberate throughout the network stack to cause issues in the network and application layers. When large-scale outages like this happen, it’s often difficult to correlate the network and routing layers and pinpoint the root cause of routing problems.… Read More »