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OVS Offload Models Used with NICs and SmartNICs: Pros and Cons

By Sujal Das | May 23, 2018

As SmartNICs become more popular, more decision makers at companies are being asked to look at the way SmartNICs work – specifically the different offload models related to the OVS datapath, and the pros and cons of each model. In this blog, I will go through and explain these various models. As we go through each model, you will realize that not all of them require offload of the OVS datapath to NIC hardware. In some cases the datapath is actually moved up to the user space as well (some call it on-loading). I will cover all of them using a consistent tabular format for easy readability and comparison. Here we go…

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Agilio SmartNIC Support in Red Hat Enterprise Linux 7.5 and the Performance Impact This Can Have for Users

By Simon Horman | May 08, 2018

What are AgilioⓇ CX SmartNICs? The Agilio CX SmartNICs are based on the Netronome NFP-4000 processor and are available in low profile PCIe and OCP v2 NIC form factors suitable for COTS servers. The NFP-4000 is a programmable 60 core processor with eight threads per core that transparently offloads and accelerates networking data planes. The flow processing cores have an instruction set that is optimized for networking. This ensures an unrivaled level of flexibility within the data plane while maintaining performance.