Modern Wide Area Network Monitoring: Migrating from MPLS

Posted by on March 21st, 2018
March 21st, 2018

Working at ThousandEyes I frequently talk to customers looking to move away from MPLS wide area networks to direct internet access (DIA), typically as part of a branch/edge router refresh and often incorporating cloud proxy and SD-WAN technologies. The success of these network transformations generally depends on uncovering issues related to a greater reliance on 3rd parties for application delivery early on, creating proof points with impartial data and enabling workflows to proactively manage such issues.… Read More »

Does AWS Direct Connect Guarantee Cloud Performance?

Posted by on March 13th, 2018
March 20th, 2018

On Friday, March 2nd we saw a severe outage across Amazon AWS’ US-East-1 region, located in Ashburn, VA. This outage impacted Amazon’s very own Alexa along with multiple apps and services hosted within the IaaS provider, including Slack, Twilio and Atlassian JIRA. Although the infrastructure recovered very quickly from what was a weather-related power outage, we saw prolonged and cascading impacts on many software applications and services running on AWS.… Read More »

Introducing Broadband ISP Cloud Agents

Posted by on March 7th, 2018
March 7th, 2018

The delivery of every website and web application relies on a set of dependencies that include Internet providers, DNS and, increasingly, CDNs and other 3rd party services. Failure or degraded performance of any of these services can dramatically impact application delivery. Proactive, continuous monitoring of network and service dependencies is critical to ensuring users of a website or Internet-facing application have a high-quality digital experience.… Read More »

Amazon AWS Outage a Lesson in Managing Cloud First Risks

Posted by on March 2nd, 2018
March 6th, 2018

On Friday, March 2nd, 2018, a power outage hit the AWS-East Region (Ashburn), affecting hundreds of critical enterprise services like Atlassian, Slack and Twilio. Significant corporate websites and Amazon’s own service offerings were impacted as well. ThousandEyes operates a global set of software agents performing Internet-aware network monitoring. We were able to catch this outage in the act, which rippled very quickly outward towards other services. Even customers relying on Amazon private connectivity service known as AWS Direct connect were affected.… Read More »

How GitHub Successfully Mitigated a DDoS Attack

Posted by on March 1st, 2018
March 5th, 2018

On Wednesday, February 28th, 2018 at 9:15am Pacific Standard Time, GitHub, the popular web-based hosting service for software development, was a victim of a powerful DDoS attack that impacted its global user base of 20M. It was one of the largest DDoS attacks, with attack traffic peaking at 1.3Tbps. Concerned users, some who were in the midst of a code check-in, took to Twitter to express their feelings while simultaneously looking for answers. Unfortunately for GitHub, their status page was also affected, adding a bit of anxiety to the equation.… Read More »

A Tale of Two Trading Sites Told by Network Monitoring

Posted by on February 22nd, 2018
February 22nd, 2018

How can network monitoring help understand online trading website performance? In the first days of February, 2018 the stock market went on a bit of wild ride, with high levels of volatility amidst heavy trading sessions. On February 5th, the Dow skidded almost 1600 points before recovering slightly to a loss of 1175 points for the day—its worst daily point drop ever. Asian markets soon experienced their own swoon. Then on February 6, U.S. markets bounced back—regaining nearly 570 points, while the FTSE experienced its biggest drop since Brexit. As of February 9, the volatility continued.… Read More »

Network Monitoring for the Cloud Era at Cisco Live Barcelona

Posted by on February 15th, 2018
February 15th, 2018

We had a great week recently at Cisco Live Barcelona speaking to a wide variety of IT organizations from Dublin to Qatar (and Moscow to Kenya) about what they see in their networks and what challenges they have around network monitoring as more of their IT assets move into the cloud. Here are some takeaways from dozens of conversations I observed and participated in over the week.… Read More »

Network Performance Monitoring for Cisco Hybrid WAN

Posted by on February 12th, 2018
February 15th, 2018

Enterprise networks are rapidly transforming, disrupting classic network boundaries and giving way to WAN architectures that are hybrid in nature. With SaaS applications mainstreaming, cloud migrations inflight and SD-WAN deployments on the rise, the enterprise branch is becoming intelligent now more than ever. The benefits of these new trends are undeniable, however, it comes with its own challenges, especially in the area of network performance monitoring and cloud visibility.… Read More »

Monitoring Zscaler Web Secure Gateways

Posted by on February 1st, 2018
February 1st, 2018

Due to the shift to direct internet access (DIA) from branch offices to SaaS and IaaS, centralized firewalls are giving way to distributed, cloud-based secure web gateways. These security proxy services include URL filtering, advanced threat defense, malware and antivirus protection, and application control. However, this deployment model creates major blind spots for IT and Network Administrators, since network paths to reach the cloud security nodes include the Internet.… Read More »

Nerding Out at Networking Field Day 17

Posted by on January 30th, 2018
January 30th, 2018

On January 24th, 2018 ThousandEyes took center stage at Networking Field Day 17 (NFD17). ThousandEyes is no stranger to NFD and as before, we had a great session filled with in-depth conversations and geeky humor. For those of you less familiar with NFD, it is a multi-day event organized as a part of Tech Field Day by Gestalt IT, that brings together product vendors and independent IT leaders.… Read More »