VMware has quietly stopped selling firewalls for SmartNICs. SmartNICs, aka data processing units (DPUs), are network cards that include a modest processor. Hyperscale clouds routinely use the devices to handle security and networking chores, by running network functions as VMs on the SmartNIC’s processor. Cloud operators like SmartNICs because they free CPU cores to rent to their customers. Running some housekeeping workloads on SmartNICs can also improve isolation and security – AWS often points to the benefits of its “Nitro” system which relies on SmartNICs. VMware’s push into private cloud assumed that its customers wanted an on-prem version of a public cloud – at least in terms of their operating model. Back when it was an...
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