Experience Monitoring in the Cloud Era

Companies migrating from a self-managed infrastructure to public cloud solutions, like AWS, Azure, Google, IBM, Alibaba, and Tencent, see significant IT savings. For Internet-based services, this brings a set of new opportunities and challenges in monitoring and managing customers’ digital experience. How do you monitor performance (speed, reachability, reliability, and…

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DNS Performance 101: Zone Files

DNS is the most important component of the Internet. It is basically responsible for translating hostnames to their respective IP addresses, the process of which is quite simple to understand. DNS directs users to your website based on the address information retrieved through the DNS resolution process. There are several…

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Post Incident Review: Comcast Outage

We get upset and frustrated when a site we are trying to access is unavailable. That frustration multiplies when we can’t reach any site on the internet. On Friday, June 29th, Comcast experienced a major outage caused by two unrelated fiber cuts to their network backbone providers. Media reports the…

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