Network Stack as a Service, with Henry Xu from City University of Hong Kong

OVS Orbit

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Henry Xu is an assistant professor in the computer science department at the City University of Hong Kong, where he leads the NetX Lab. In this episode, we discuss the research behind his group's recent paper Network Stack as a Service in the Cloud, presented at HotNets 2017. The paper has the following abstract:

The tenant network stack is implemented inside the virtual machines in today's public cloud. This legacy architecture presents a barrier to protocol stack innovation due to the tight coupling between the network stack and the guest OS. In particular, it causes many deployment troubles to tenants and management and efficiency problems to the cloud provider. To address these issues, we articulate a vision of providing the network stack as a service. The central idea is to decouple the network stack from the guest OS, and offer it as an independent entity implemented by the cloud provider. This re-architecting allows tenants to readily deploy any stack independent of its kernel, and the provider to offer meaningful SLAs to tenants by gaining control over the network stack. We sketch an initial design called NetKernel to accomplish this vision. Our preliminary testbed evaluation with a prototype shows the feasibility and benefits of our idea.

OVS Orbit is produced by Ben Pfaff. The intro music in this episode is Drive, featuring cdk and DarrylJ, copyright 2013, 2016 by Alex. The bumper music is Yeah Ant featuring Wired Ant and Javolenus, copyright 2013 by Speck. The outro music is Space Bazooka featuring Doxen Zsigmond, copyright 2013 by Kirkoid. All content is licensed under a Creative Commons Attribution 3.0 Unported (CC BY 3.0) license.

75 episodes

#Tech #Computer Science #Ben Pfaff