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by sgarzare
850 days ago
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Yes, I see your point and agree that NVMe can be used for the same purpose.
But several HW vendors have implemented virtio-net devices in their SmartNic and may find it convenient to support virtio-blk to reuse most of the building blocks. As for vhost-user, it's perfect for VM use cases, but with containers or applications in the host, it's not easy to use. Whereas, a vDPA device (HW or SW) can easily be attached to the host kernel (using the virtio-vdpa bus) and be managed with the standard virtio-blk driver. |
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