What feature of vSphere helps in increasing availability and security of virtual infrastructure?

Decoupling from hardware is a significant feature of vSphere that enhances both the availability and security of the virtual infrastructure. This feature allows virtual machines (VMs) to operate independently from the underlying hardware, which means that VMs can be migrated easily from one host to another without compatibility issues. Such flexibility not only ensures that workloads can be redistributed as needed for load balancing and resource optimization but also contributes to higher availability. If a physical host fails, VMs can be quickly moved to another host, minimizing downtime.

Furthermore, decoupling from hardware also reinforces security. Since VMs can be run on any compatible hardware, it becomes easier to isolate workloads on different hosts. This separation can help in reducing the risk of vulnerabilities or attacks affecting multiple VMs, as they can be strategically placed on different physical servers based on security policies.

In essence, this feature allows administrators to better manage resources and cybersecurity measures, resulting in a more robust virtual environment that can swiftly adapt to changes and challenges, thereby ensuring that both availability and security are maintained.