What is the background of Kubernetes?

It was the case that businesses used physical servers to run their applications without a way to determine the boundaries of resources and resulting in problems with resource allocation. To solve this issue, virtualization was introduced. It lets multiple virtual machines run simultaneously on the same server's CPU. Applications can be isolated from VMs and benefit from increased security as they can't be accessible to other users.

Containers function as virtual machines, but they have more an ease of isolation. As with the VM it also has an operating system for files, a CPU memory processing space, and other characteristics. Containers are able to be built quickly, deployed and integrated across various environments. If you want to go beyond this article & dive deeper into Kubernetes, you can definitely master from Kubernetes Certification.

Kubernetes was created by Google and launched in 2015 was inspired by Google's internal management software for data centers known as "Borg." Since its release, Kubernetes has attracted major participants from all areas of the container industry. It was the Cloud Native Computing Foundation ( CNCF) was the first to take over hosting Kubernetes in the year 2018.

Kubernetes is an open source project and anyone is able help contribute to Kubernetes project by joining at least one of Kubernetes Special Interest Groups. The top companies who commit software to this project are Red Hat, Rackspace and IBM. Businesses that are part of the IT vendor ecosystem have created integrations and support for the management platform while the community members strive to fill the gaps between vendor integration using open free tools.

Kubernetes users vary from cloud-based document-management solution Box to the telecom giant Comcast and the financial company Fidelity Investments, as well as large enterprises like SAP's Concur Technologies and start-ups like Barkly Protects.

What's the future of Kubernetes?

Kubernetes update in 2019. (versions 1.14 up to 1.16) have added or improved various areas to help further enhance the stability and deployment of production. They include:

Support of Windows host, as well as Kubernetes nodes running Windows;

the lifecycle of clusters and their extensibility;

volumes and metrics; as well as

custom resource definitions.

Since then, interest in the industry has moved away from updates to the main Kubernetes platform and towards areas of higher-level where businesses benefit from cloud-native container orchestration and cloud-based applications. This includes sensitive workloads with multi-tenant security as well as more efficient management of stateful software such as databases, and helping to facilitate GitOps automated version control release of applications as well as software-defined infrastructure. For instance 1.20 in December 2020. 1.20 in December 2020 provided snapshots of volumes, point-in-time copies of volumes within the API from which you can create the volume with a new one or restore an existing volume to an earlier state. Snapshots are an essential feature for many stateful applications including database operations.

As companies expand their container deployment and orchestration to handle increasing production workloads It becomes more difficult to monitor what's happening behind the in the background. This creates the need to be able to more effectively monitor different levels that comprise the Kubernetes stack and the whole Kubernetes platform for efficiency and security. Markets that cater to these new areas that use third-party tools already developed, including companies that are startups (some by way of the CNCF) as well as established vendors like D2iQ. In the meantime the Kubernetes ecosystem continues to comprise many Kubernetes distributions and vendors, which are likely to shrink in the near future.

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