[2014] Extending KVM Models Towards High Performance NFV by Jun Nakajima

As we have more demanding requirements for NFV (Network Functions Virtualization), such as handling smaller packets at very high rate in a scalable fashion, efficient and fast network-packets handling in middle boxes are critical. The architecture and performance of the virtualization I/O technologies, such as virtio rings, shared memory, and SR-IOV, can be improved by having a trusted entity that understands solution-specific data structures and that has access to guest memory. By trusting part of the guest and providing it with a memory view protected from the rest of the guest, we have extended the KVM models. We present 1) overview of the EPTP switching feature, 2) how we can provide protected memory views to trusted components in guests, 3) how we can improve and extend the current KVM models toward NFV combined with SR-IOV, and 4) best practices.
Jun Nakajima, Intel Open Source Tecnhology Center
Jun Nakajima is a Principal Engineer leading open source virtualization and cloud projects, such as, KVM, Xen, and OpenStack at the Intel Open Source Technology Center. Jun has been working on various virtualization projects for almost a decade, and NFV is one of his ongoing projects. Jun presented a number of times at technical conferences, including KVM Forum, OLS, Xen Summit, and USENIX. He has over 20 years of experience with operating system internals, distributed systems, and virtualization.
Slides: https://drive.google.com/file/d/0BzyAwvVlQckeMi1jLV92ZlhvSUU/view?usp=sharing

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