Patent ID: 9054889
Filing Date: 2015-06-09
Classification: H04L

Abstract:
1. A method of providing a description, the method comprising: sensing a change of a service configuration of a device; updating a description of information about a service based on the change of the service configuration; advertising that the description is updated; and installing a new protocol providing a new service in the device, or removing a protocol from the device by controlling the device, wherein sensing the change of the service configuration comprises sensing the installation of the new protocol or the removal of the protocol, at least one of the sensing, the updating and the advertising are performed by a processor, and wherein the updating comprises: obtaining a template of the description of information about the service; obtaining the information about the service; and inserting the obtained information about the service into the template to generate an updated description, and wherein the inserting the obtained information about the service into the template is performed by inserting a value into a corresponding description item among description items of the template based on the obtained information, wherein the service description comprises a function capable of performing a service and a variable indicating a state of a service within the device; wherein the advertising comprises: multicasting an advertisement message for advertising an availability of the service to a network which complies with a predetermined standard, wherein the predetermined standard is universal plug and play; and unicasting an address, including an updated description, in response to a request from a control point that received the advertisement message.