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Reachability—Availability Isn’t Enough


Product Marketing Manager


If you’re focused on maximizing the performance and availability of your web properties, you probably already know how Dyn is changing the game for our customers with our Internet Performance solutions. But, in case you missed the Internet Performance story, we’ve recently partnered with Wiley to put together another one of their classic “For Dummies” guides. It illustrates how Internet Performance is helping companies gain better control of their websites and applications, leading to a better experience for end users while reducing costs to the business. In keeping with the other Wiley titles, the book is called Internet Performance for Dummies.

One of key points Internet Performance for Dummies discusses is the under-appreciated aspect of Internet Performance, reachability. Reachability is critical to the end-user experience, yet it often takes a backseat (or no seat) to availability.

A Focus on Availability

Most organizations are keenly aware of the availability of their web properties. They’ve invested in monitoring tools, such as APM and NPM, that alert them to anything that could cause an outage and have several people dedicated to ensuring the health of their infrastructure. The reason is simple—website outages lead to reduced revenue, damaged brand reputation, and a whole lot of stress for those people responsible for these websites.

With all this focus on availability, you’d think these companies must be deriving all of the revenue and positive reputation possible from the web, right? Unfortunately, probably not.

What is Internet Reachability?

The problem with focusing solely on availability is that you’re only accounting for the internal factors that affect your customers’ experience with your web properties. The reality is that the Internet consists of many miles of infrastructure that lies between your end users and wherever your websites and applications are hosted. Many routing decisions and network handoffs need to occur before an end user gets to a website at all. So, while your sites may be 100% available, the Internet opens up the possibility for regional disturbances that prevent customers in specific locations from being able to reach them. Whether the problem occurs in the company’s data center, within a cloud provider, or within an ISP’s network hundreds of miles away, from your end users’ perspective, your websites are unavailable.

The question to ask is this—“What would it mean if our customers couldn’t reach us from [insert major city here] for one day?” These types of regional outages occur thousands of times per day throughout the world. The ability of your customers to reach your websites and applications, even in the face of these outages, is what we mean when we talk of “Internet reachability”.

Ensuring High Internet Reachability

Ensuring high availability requires looking internally to make sure all your infrastructure is up and running and able to respond to requests. Reachability requires looking outside your organization. Similar to the tools that monitor the infrastructure you own and manage, Dyn’s Internet Intelligence product provides the tools you need to monitor the Internet itself so that you’re aware as soon as a market is unable to reach you online.

Of course, simply knowing about a reachability issue isn’t enough to fix the problem. This is where Traffic Management comes into play. By detecting reachability issues early, Dyn customers are then able to re-route their traffic in the affected markets to a location that they know to be reachable. The end result is visitors are always able to reach your websites and applications, protecting your revenue as well as your reputation.

To learn more about Internet reachability, as well as how Internet Performance can help your organization drive more revenue, protect existing revenue streams, and reduce costs, download your free copy of Internet Performance for Dummies today.

Corey Hamilton is a Product Marketing Manager for Dyn, a cloud-based Internet Performance company that helps companies monitor, control, and optimize online infrastructure for an exceptional end-user experience. Follow Corey on Twitter: @CoreyHamilton11 and @Dyn.

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