The Google network
1. The Google network
Behind the services provided by Google Cloud, lies a huge range of resources, from physical assets like servers, to virtual resources like virtual machines and containers. It all runs on Google's own global network. According to some publicly available estimates, Google's network carries as much as 40% of the world's internet traffic every day. Google's network is the largest network of its kind, and Google has invested billions of dollars over the years to build it. This network is designed to give customers the highest possible throughput and lowest possible latencies for their applications by using more than 100 content caching nodes worldwide. These are locations where high demand content is cached for quicker access, which allows applications to respond to user requests from the location that provides the quickest response time. Google Cloud's infrastructure is based in seven major geographic locations: North America, South America, Europe, Africa, the Middle East, Asia, and Australia. Having multiple service locations is important because choosing where to locate applications affects qualities like availability, durability, and latency. Each of these locations is divided into several different regions and zones. Regions represent independent geographic areas and are composed of zones. For example, London, or europe-west2, is a region that currently comprises three different zones. A zone is an area where Google Cloud resources are deployed. For example, if you use Compute Engine to launch a virtual machine, it will run in the zone that you specify to ensure resource redundancy. You can also run resources in different regions. This is useful for bringing applications closer to users around the world, and also for protection if issues with an entire region occur, such as a natural disaster. Google Cloud currently supports 124 zones in 41 regions, although this number is constantly increasing. You can find the most up-to-date numbers at cloud.google.com/about/locations.2. Let's practice!
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