Performance of DNS as location manager

Domain name system (DNS) maps domain names to IP addresses in the Internet. DNS can, however, be used as a location manager (LM) for mobility management in wireless mobile networks. The suitability and performance of DNS as a LM for locating mobile hosts (MH) has not been studied in the past. In this paper, we develop an analytical model to measure the performance of DNS as LM for IP diversity based mobility management. We have used success rate, which takes into account the radius of the subnet, the residence time of a MH in a subnet, velocity of MH, network latency, DNS processing delay and the overlapping distance between two neighboring subnets as performance measures. Our analysis shows that for a reasonable overlap between cells, DNS can serve as a LM with very high success rate even under high network latency

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