The ancients, struck with this irreducibleness of the elements of human life to calculation, exalted Chance into a divinity; but that is to stay too long at the spark, which glitters truly at one point, but the universe is warm with the latency of the same fire.
A visitor location register (VLR) is a server in a cellular network that supports roaming functions for users outside the coverage area of their own HLR.
NPIV also known as N_Port ID Virtualization, is a capability that is unique to fibre channel SANs, and is an extension to the existing fibre channel standard which restores the best practice of SAN zoning to the virtual environment by allowing the creation of a virtual WWN per virtual machine.