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Kubernetes: An Overview

Kubernetes is an open source container management platform designed to run enterprise-class, cloud-enabled and web-scalable IT workloads. It is built upon the foundation laid by Google based on 15 years of experience in running containerized applications.

Though their popularity is a mostly recent trend, the concept of containers has existed for over a decade. Mainstream Unix-based operating systems (OS), such as Solaris, FreeBSD and Linux, had built-in support for containers, but it was Docker that truly democratized containers by making them manageable and accessible to both the development and IT operations teams. Docker has demonstrated that containerization can drive the scalability and portability of applications. Developers and IT operations are turning to containers for packaging code and dependencies written in a variety of languages. Containers are also playing a crucial role in DevOps processes. They have become an integral part of build automation and continuous integration and continuous deployment (CI/CD) pipelines.

The interest in containers led to the formation of the Open Container Initiative (OCI) to define the standards of container runtime and image formats. The industry is also witnessing various implementations of containers, such as LXD by Canonical, rkt by CoreOS, Windows Containers by Microsoft, CRI-O — being reviewed through the Kubernetes Incubator, and vSphere Integrated Containers by VMware.

While core implementations center around the life cycle of individual containers, production applications typically deal with workloads that have dozens of containers running across multiple hosts. The complex architecture dealing with multiple hosts and containers running in production environments demands a new set of management tools. Some of the popular solutions include Docker DatacenterKubernetes, and Mesosphere DC/OS.

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More Stories By Janakiram MSV

Janakiram MSV heads the Cloud Infrastructure Services at Aditi Technologies. He was the founder and CTO of Get Cloud Ready Consulting, a niche Cloud Migration and Cloud Operations firm that recently got acquired by Aditi Technologies. In his current role, he leads a highly talented engineering team that focuses on migrating and managing applications deployed on Amazon Web Services and Microsoft Windows Azure Infrastructure Services.
Janakiram is an industry analyst with deep understanding of Cloud services. Through his speaking, writing and analysis, he helps businesses take advantage of the emerging technologies. He leverages his experience of engaging with the industry in developing informative and practical research, analysis and authoritative content to inform, influence and guide decision makers. He analyzes market trends, new products / features, announcements, industry happenings and the impact of executive transitions.
Janakiram is one of the first few Microsoft Certified Professionals on Windows Azure in India. Demystifying The Cloud, an eBook authored by Janakiram is downloaded more than 100,000 times within the first few months. He is the Chief Editor of a popular portal on Cloud called that covers the latest trends in Cloud Computing. Janakiram is an analyst with the GigaOM Pro analyst network where he analyzes the Cloud Services landscape. He is a guest faculty at the International Institute of Information Technology, Hyderabad (IIIT-H) where he teaches Big Data and Cloud Computing to students enrolled for the Masters course. As a passionate speaker, he has chaired the Cloud Computing track at premier events in India.
He has been the keynote speaker at many premier conferences, and his seminars are attended by thousands of architects, developers and IT professionals. His sessions are rated among the best in every conference he participates.
Janakiram has worked at the world-class product companies including Microsoft Corporation, Amazon Web Services and Alcatel-Lucent. Joining as the first employee of Amazon Web Services in India, he was the AWS Technology Evangelist. Prior to that, Janakiram spent 10 years at Microsoft Corporation where he was involved in selling, marketing and evangelizing the Microsoft Application Platform and Tools.