Patent ID: 9503388
Filing Date: 2016-11-22
CPC Classification: G06F,H04L

Claim Text:
1. A method comprising: maintaining, at a domain name system (DNS) server, a first list of gateway addresses corresponding to a first set of gateways that are available to handle a new session originating at a mobility management entity (MME), wherein the gateways are geographically located within a dynamically-resizable tracking area (TA); resizing, at the DNS server, the dynamically-resizable TA based on evaluating network load information for at least some of the gateways in the first set of gateways; identifying, at the DNS server, a second list of gateway addresses corresponding to a second set of gateways which are geographically located within the newly resized dynamically-resizable TA, wherein the second set of gateways is different from the first set of gateways; receiving a request at the DNS server from the MME for a gateway to handle a new session; and providing the second list of gateway addresses from the DNS server to the MME.