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The Edgecast Caching Emulator

One of the core tasks in operating a Content Delivery Network is caching requested content for content providers. In order to ensure that our caching systems are well optimized, we are constantly exploring alternative caching techniques that involve a rich variety of optimizations and adjustments to our caching policies and structures. In order to rapidly develop and test such improvements, we have developed a caching emulator, the Edgecast Caching Emulator (ECE), to allow us to freely experiment with various techniques.

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Observing Live Event Traffic

One of the interesting things about working on a CDN is the ability to connect the traffic you see to real life events. This is especially prominent in the world of live streaming, where big events can contribute huge volumes of traffic.

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Application Layer DDoS Mitigation in Action

On April 2nd, one of our customers was hit by multiple waves of application layer DDoS attacks. Unlike the large multi-Gbps attacks we commonly see on the news, an application layer (L7) DDoS is designed to overwhelm a system through massive flood of HTTP requests specifically crafted to target URLs involving back-end processes. In many dynamic applications, like API services for product pricing & availability, the network is usually not the bottleneck, but rather back-end services such as databases. A targeted, smaller scale L7 DDoS can slip past the typical network layer protections (including CDNs), to bring down a customer’s site.

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Meet Up Round Up

Did you know that we regularly host meet ups at our Playa Vista location? If not, and you are interested in attending, we’d love for you to check out our events calendar to find one in the coming weeks. Check out the videos below for recordings of three the Meetups we’ve hosted here at Verizon Digital Media Services that feature some of our very own team members.

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80/20 Spotlight: Ryan Burgoon

Meet Ryan Burgoon

Ryan is a product manager at Verizon Digital Media Services. However, five years ago when he joined the company he was in a different role entirely. He is one of the many individuals who went through our 80/20 program and transitioned to a new role. We would like to share Ryan’s story and how his career development led him to DMS, to apply for our 80/20 program, and ultimately to a role as a product manager.

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