Patent ID: 8051136
Filing Date: 2011-11-01
Classification: H04L

Abstract:
1. A method of optimizing throughput and quality of service of a presence-enabled managed service, the method comprising: in response to a request from a requestor, via an aggregator of presence services, for presence information of a presentity: looking up a subscriber profile of the aggregator associated with at least one of the requestor and the presentity that is stored in a cache of a presence server, the subscriber profile comprising a profile threshold time indicating a maximum amount of time that presence information for the presentity may remain in the cache, a profile query rate indicating a maximum query rate of presence requests that the aggregator may send to the presence server to request for the presence information of the presentity, and a profile trigger value indicating a predetermined time elapsed since a last presence request of the presence information of the presentity when the presence information is automatically updated; fetching the presence information from the presentity and storing the presence information on a presence document on the cache with a timestamp and returning the stored presence information to the requestor if the presence information is not stored in the cache; if the presence information is stored in the cache: