With the emergence of Container-native Virtualization (CNV) or the ability to run and manage virtual machines alongside container workloads, Single Root I/O Virtualization (SR-IOV) takes on an important role in the Communications Industry. Most telecom services require guarantees of capacity e.g. number of simultaneous TCP connections, or concurrent voice calls, or other similar metrics. Each telecom service capacity requirement can be translated into the amount of upload/download data that must be handled, and the maximum amount of time that can pass before a service is deemed non-operational. These bounds of data and time must be met end-to-end, as a telecom service is delivered. The SR-IOV technology plays a crucial role on meeting these requirements.
With SR-IOV being available to workloads and VMs, Telecom customers can divide the bandwidth provided by the physical PCIe device (NICs) into virtual functions or virtual NICs. This allows the virtual NICs with dedicated bandwidth to be assigned to individual workloads or VMs ensuring SLA agreements can be fulfilled.
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