Chapter 6. Kubernetes and Cloud Networking
The use of the cloud and its service offerings has grown tremendously: 77% of enterprises are using the public cloud in some capacity, and 81% can innovate more quickly with the public cloud than on-premise. With the popularity and innovation available in the cloud, it follows that running Kubernetes in the cloud is a logical step. Each major cloud provider has its own managed service offering for Kubernetes using its cloud network services.
In this chapter, we’ll explore the network services offered by the major cloud providers AWS, Azure, and GCP with a focus on how they affect the networking needed to run a Kubernetes cluster inside that specific cloud. All the providers also have a CNI project that makes running a Kubernetes cluster smoother from an integration perspective with their cloud network APIs, so an exploration of the CNIs is warranted. After reading this chapter, administrators will understand how cloud providers implement their managed Kubernetes on top of their cloud network services.
Amazon Web Services
Amazon Web Services (AWS) has grown its cloud service offerings from Simple Queue Service (SQS) and Simple Storage Service (S3) to well over 200 services. Gartner Research positions AWS in the Leaders quadrant of its 2020 Magic Quadrant for Cloud Infrastructure & Platform Services. Many services are built atop of other foundational services. For example, Lambda uses S3 for code storage and DynamoDB for metadata. AWS ...
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