OpenStack Summit Paris 2014

Video recording and post production done by OpenStack Foundation.

Today PCI passthrough is used for dataplane apps like VNF, for high performance and low latency. However, PCI passthrough has drawback that it break the portability of cloud app. For example, if an app is deployed on another host with different NIC, then it has to be re-packaged by the vendor. The soft passthrough provider a hardware agonitsc framework, which balance the decoupling requirement of apps and hardware, and high performance / low latency. With soft passthrough, at the cost of very little extra overhead compared with PCI passthrough, the similar performance/lagency goal can be attained.

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