Why Containers Over Vms

Containers are on the rise with vmware integrating them into the vsphere platform.

Why containers over vms. Vms can run a full unaltered application. In this post i ll explore some pros and cons of containers vs. With vms the hardware is being virtualized to run multiple os instances. Xenapp can support hundreds of users running off the same server whereas a similar solution utilizing virtual machines can only support dozens.

Compared to containers vms take minutes to run and are an order of magnitude larger than an equivalent container. Less cpu and memory usage than would be seen when using a vm. 3 there are cases much like the second case where companies want some benefits that docker offers and they move monolithic. Vms debate and why containers are growing in popularity.

Vms can fail over to another server in a cluster with the vm s operating system restarting on the new server. Virtual machines and containers differ in several ways but the primary difference is that containers provide a way to virtualize an os so that multiple workloads can run on a single os instance. What started seemingly as a competitor to virtual machines has proved to be just another tool in the virtualization box available to administrators beyond software testing and development as enterprises and mid market companies of all sizes begin to implement containers alongside and inside their vms. In short containers are lighter weight and more portable than vms.

Containers are an abstraction performed at the operating system os level that allow for efficiencies over vms. Containers themselves don t move. This is one of the major reasons why containers are often used for running specific applications. The new containers can interact with older legacy applications as necessary and over time the entire application is deconstructed and deployed as a series of portable and scalable services inside docker containers.

Here s everything you need to know to understand the containers vs. In the next installment we will dive deeper into kubernetes the most popular container orchestration system. If you ve only recently started learning about virtualization tools you might wonder what the differences are in the technology conversation around containers vs. There are some other benefits of container orchestration systems over vm hypervisors.