Cloud Native Development Patterns and Best Practices

Regions and availability zones

The cloud has been in the news recently with a first-class disruption that impacted a large swath of well-known sites. I tell my clients that they should expect these large disruptions about every one and half to two years, and this latest disruption was right on cue. Of course, naysayers used this as an opportunity to bash the cloud, but other cloud providers did not use it as an opportunity to one up each other, because they know that it's only a matter of time before the same will happen to their services as well. Yet all the while some companies were prepared and only experienced a minor blip in availability, while others experienced protracted outages.

As depicted in the following diagram, every cloud provider ...