Network-Based (Fabric-Based) Virtualization
A network-based virtualization is a fabric-based switch infrastructure. The SAN fabric provides connectivity to heterogeneous server platforms and heterogeneous storage arrays and tape subsystems. Fabric may be composed of multiple switches from different vendors; the virtualization capabilities require standardized protocols to ensure interoperability between fabric-hosted virtualization engines. Fabric-based storage virtualization dynamically interacts with virtualizers on arrays, servers, or appliances.
A host-based (server-based) virtualization provides independence from vendor-specific storage, and storage-based virtualization provides independence from vendor-specific servers and operating systems. ...
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