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Virtualization vs. Containers | @DevOpsSummit [#DevOps #Containers]

Docker provides separation and resource allocation to applications running on the same host

Virtualization vs. Containers

By Fred Richards

Virtualization versus Containers. Which is best for your operations?

Everyone loves virtualization. It works well. Each guest has fully 100% fake hardware, so it looks like a real miniserver.

The guest servers float on top of the hypervisor, which floats on the real hardware providing excellent isolation and division of resources.

Enter Docker, King of the Containers.Docker provides separation and resource allocation to applications running on the same host. It is more lightweight than full virtualization. Containers make management much easier than a virtual server with a full operating system.

Docker is not only for Linux anymore! Microsoft decided to take a page from the Open Source playbook and implement Docker for it’s applications.

A lightweight version of Windows is coming! It’s called Nano Server.

Now everyone can benefit from Docker technology, not just those using Open Source or Linux.

So what’s the big deal? It’s not as if VC’s are betting $95 million that it is a $1 Billion valuation. Forbes may disagree.

Container adoption rate is at an alltime high. Businesses are seeing unprecedented growth and momentum, and Docker is a fantastic example of a tool that can handle the ride.

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Unitiv, Inc., is a professional provider of enterprise IT solutions. Unitiv delivers its services from its headquarters in Alpharetta, Georgia, USA, and its regional office in Iselin, New Jersey, USA. Unitiv provides a strategic approach to its service delivery, focusing on three core components: People, Products, and Processes. The People to advise and support customers. The Products to design and build solutions. The Processes to govern and manage post-implementation operations.

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The standardization of container runtimes and images has sparked the creation of an almost overwhelming number of new open source projects that build on and otherwise work with these specifications. Of course, there's Kubernetes, which orchestrates and manages collections of containers. It was one of the first and best-known examples of projects that make containers truly useful for production use. However, more recently, the container ecosystem has truly exploded. A service mesh like Istio addresses many of the challenges faced by developers and operators as monolithic applications transition towards a distributed microservice architecture. A tracing tool like Jaeger analyzes what's happening as a transaction moves through a distributed system. Monitoring software like Prometheus captures time-series events for real-time alerting and other uses. Grafeas and Kritis provide security polic...
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