Optimizing Cloud Migration: Performance Lessons for the Enterprise

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Page 7 of 35

This book will help take you on that journey—from your first foray into the cloud, to having a highly performant cloud-based system, discussing the best methods for optimizing Internet performance at each stage. What Is Internet Performance? Internet performance refers to the overhead of traversing the com‐ plex path of connectivity across the global Internet between the user's ISP and the entry point to your company's infrastructure. It is also sometimes referred to as the middle mile or backhaul. Optimizing Internet performance essentially involves optimizing the route that data takes to cross the public Internet and reach your sys‐ tems. This can range from understanding the routing that is in place between different locations, or serving content from different loca‐ tions based on the location of the user. Traditionally, this area of performance has been overlooked, as it is seen as being "out of our control." However, in recent years there has been a growth in understanding from organizations that this perfor‐ mance is a representation of their brand, and it is irrelevant to the end user whether the degradation occurs inside or outside the com‐ pany's network. This has led to a growth in demand from organiza‐ tions for the visibility and control necessary to improve performance of connectivity across their online infrastructure. To meet this demand, a range of tools known collectively as Internet Performance Management (IPM) tools have been created. Flawed Thinking: You Can't Control Internet Performance in the Cloud It is a mistake to think that because of the way cloud services are provided—as off-the-shelf services—you cannot take any control of Internet performance. In actual fact, the move to the cloud can potentially give you more control over the levels of Internet perfor‐ mance that you can deliver. The geographically distributed nature of cloud platforms allows you more control over where you deliver content from. The possibility of using multiple clouds to dynamically serve users based on loca‐ tion further enhances this. However, optimizing Internet perfor‐ 2 | Optimizing Cloud Migration

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