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.
Virtual Link Trunking or VLT is a proprietary aggregation protocol developed by Force10 and available in their datacenter-class or enterprise-class network switches. VLT is implemented in the latest firmware releases (FTOS) for their high-end switches like the S4810, S6000 and Z9000 10/40 Gb datacenter switches.