Unikernels: The Next Generation of Cloud Technology

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A Deeper Look at Containers

Unlike traditional hypervisors, containers use shared operating systems that allow them to rest upon a single Linux instance to help create a small capsule that you can contain and then use to deploy applications. There has been some debate in the community on whether containers will take over the role of the hypervisor, but this is a moot point given the issue of security in the cloud. It's become absolutely clear in recent times that the cloud needs more security. Containers are working to improve their security, but hypervisors already have the isolation needed for true multi-tenant solutions. The combination of hypervisors with unikernels helps raise the bar for cloud security.

Most technologists have heard about software containers (or simply "containers") – a technology that became popularized by Docker, which is an open platform for building, shipping and running distributed applications through containers. Containers use shared operating systems to create a capsule, of sorts, to contain your application.

They are increasingly popular, but are not the panacea able to solve all the new challenges cloud computing presents. Problems mainly pertaining to security tend to hinder this technology. However, a new technology on the rise — unikernels — holds great promise for the next generation of cloud infrastructure.

For this slideshow, the Xen Project provides background on what this new technology is, how it fits within the greater cloud infrastructure ecosystem, why it's well-suited to the future of cloud computing, how it compares with containers, and how to choose between the unikernels and containers to best support the needs of specific IT environments.

 

Related Topics : Cloud Computing, Dell, Services Vendors, SMBs, Web Platform Vendors

 
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