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Internet Performance for Dummies

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Internet Performance For Dummies, Dyn Special Edition 38 These materials are © 2015 John Wiley & Sons, Inc. Any dissemination, distribution, or unauthorized use is strictly prohibited. Don't leave your customers in the dark if your website goes dark An effective business continuity plan is important for every business, and a critical element of any busi- ness continuity plan is how you will communicate information to your customers. If all else fails (failover and redun- dancy), be sure you can still commu- nicate with your customers. Create a status page to use as a last resort if your website is unavailable. Honest communication with your custom- ers about what is going on can keep their experience positive, rather than greeting them with an error page. For (hopefully) obvious reasons, you should host your status page through a different provider than where you normally host your website. What good is a status page that goes down with the rest of your site? If your site goes down, you can easily failover to this status page (with a little DNS magic) and alert your customers of, well, your status. Finally, be prepared to communicate with your customers via other com- munication channels. Some com- panies do a social failover, which means that they failover directly to their Twitter or Facebook feed. If you'd prefer to provide a more deliberate explanation of the situa- tion, simply referencing your social pages on your status page may be a good solution. For example, when Hurricane Sandy hit the U.S. East coast, many of the affected web- sites went to their social channels to remain in contact with their custom- ers and fans. Addressing Internet Performance Challenges Performance management tools, such as application per- formance management (APM) and network performance management (NPM), can help organizations address con- cerns about moving to the cloud, web‐facing applications and services performance, and other business challenges discussed in this chapter. In addition to these tools, Internet Performance tools are a critical component to help com- panies monitor, control, and optimize their infrastructure assets (see Figure 5-1).

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