Patent ID: 9497279
Filing Date: 2016-11-15
CPC Classification: H04L

Claim Text:
1. A method comprising: creating, by a requester, a subscribe message comprising a request for information about access rights to a particular resource and for information about any change to a level of access of the access rights, wherein the subscribe message specifies an event package and an event type to which to subscribe, wherein the information about access rights comprises information having an attribute-based format that conforms with a service location protocol; determining, by the requester, to send the subscribe message to a network entity that comprises an event server, where the network entity queries a database of said event server containing access control information for said particular resource; and in response to said access control information not indicating denial of access to said particular resource, receiving, in response to the sent subscribe message, a notify message specifying information about a description of the particular resource, access right information relating to the change to the level of access of the access rights to the particular resource, and an event triggering the change to the level of access of the access rights, wherein the subscribe message and the notify message are generated according to a session initiation protocol.