Patent ID: 6148199
Filing Date: 2000-11-14
Classification: H04W

Abstract:
A method of updating a mobility database, comprising the steps of:detecting a need to update information in the mobility database, wherein the mobility database comprises a plurality of database components among at least three different tiers, including a first tier, a second tier, and a third tier, and wherein the first tier communicates with the second tier and the second tier communicates with the third tier;establishing a first rate of communication between the first tier and the second tier;establishing a second rate of communication between the second tier and the third tier;wherein the first rate and the second rate are independent of one another;updating the information in the mobility database by communicating using the first rate and the second rate;wherein any step of establishing a rate of communication comprises the step of negotiating the rate between the database components at different tiers; and wherein the step of negotiating comprises the steps of:a first component selecting a first nominated rate;a second component selecting a second nominated rate;selecting, by one of the first component and the second component the lower rate from among the first nominated rate and the second nominated rate as the rate of communication between the first component and the second component.