Containers vs. hypervisors: A death knell for hypervisors?
Containers vs. hypervisors: the battle is ongoing, but the two technologies don’t need to be pitted against one another—in fact, they each offer benefits that are more suitable for certain workloads than others.
Containers are considered resilient, in part, because they can be deployed both as classic monolithic applications as well as highly composable microservices. They are portable, and can be scaled up or down and deleted when no longer needed. Among many other benefits, containers pack more applications into a single physical server than a virtual machine (VM) is capable of, which means they are superior if you need the maximum amount of applications on a bare minimum number of servers.
When it comes to hypervisors in our current technology climate, their value seems to be slowly diminishing—and containers continue to enjoy a steady increase in popularity. Part of VM’s decline is due to resource allocation: they use a lot of system resources, requiring a full copy of the OS and a virtual copy of the hardware that the OS needs to run, while containers only need the supporting libraries required to run a specific program.
Furthermore, VM’s don’t provide the same level of portability, consistency, or speed that Continue reading
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