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.
HLR-Home Location Register. The Home Location Register is a database within the Home Public Land Mobile Network. 1. It provides routing information for Mobile Terminated calls and Short Message Service. It is also responsible for the maintenance of user subscription information.