Efficient container use requires data-center software networking | Virtual Reality

With increasing use of containers by DevOps, data-center network administrators need to respond to the distinct demands they place on the network, including scalability, predictable performance, multi-tenancy and security.

Containers rely on the physical network to communicate with each other and link to other applications, and this article evaluates the data-center requirements for private enterprises that manage their own internal IT resources.  It excludes the data centers of hyperscale cloud providers as their requirements and resources are radically different than those of typical IT organizations.

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What are containers?

Containers are a stand-alone, package of that provides an operating-system-level virtualization to deploy distributed applications and provide server virtualization with less overhead than hypervisors. The benefits of containers include improved application performance, great density per server/core, and elastic scaling. Containers are ideal for DevOps style (micro-services-based) applications and can improve the portability of applications.

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