Apparatus and method for transceiving broadcast signal

An apparatus for transmitting a broadcast signal, the apparatus comprising:

• a Diff generator configured to generate Diff information based on a template and a signaling instance,
• wherein the template is pre-shared information for the signaling instance between a transmission system and a reception system,
• the Diff information representing a difference between the template and the signaling instance, the Diff information including an element or attribute value for updating the pre-shared information,
• one or more components are transmitted by using a ROUTE (Real-Time Object Delivery over Unidirectional Transport) protocol;
• and
• a transmitter configured to transmit the broadcast signal including the one or more components, service list information and the Diff information,
• wherein the service list information includes:
• first URL (Uniform Resource Locator) signaling information indicating a URL for acquiring a first ESG (Electronic Service Guide) or a first service layer signaling file for all broadcast services when the first ESG or the first service layer signaling file is available via a broadband,
• capability information indicating capability required for processing of a specific broadcast service,
• broadcast signaling location information including address information required for acquiring service layer signaling information for the specific broadcast service, and
• second URL signaling information indicating a URL for acquiring a second ESG or a second service layer signaling file for the specific broadcast service when the second ESG or the second service layer signaling file is available via the broadband.

A method for receiving a broadcast signal, the method comprising:

• receiving the broadcast signal including one or more components, service list information and Diff information,
• the Diff information representing a difference between a template and a signaling instance,
• wherein the template is pre-shared information for the signaling instance between a transmission system and a reception system, the Diff information including an element or attribute value for updating the pre-shared information,
• the one or more components are transmitted by using a ROUTE (Real-Time Object Delivery over Unidirectional Transport) protocol,
• wherein the service list information includes:
• first URL (Uniform Resource Locator) signaling information indicating a URL for acquiring a first ESG (Electronic Service Guide) or a first service layer signaling file for all broadcast services when the first ESG or the first service layer signaling file is available via a broadband,
• capability information indicating capability required for processing of a specific broadcast service,
• broadcast signaling location information including address information required for acquiring service layer signaling information for the specific broadcast service, and
• second URL signaling information indicating a URL for acquiring a second ESG or a second service layer signaling file for the specific broadcast service when the second ESG or the second service layer signaling file is available via the broadband;
• and
• recovering the signaling instance by applying the Diff information on the template.

An apparatus for receiving a broadcast signal, the apparatus comprising:

• a receiver configured to receive the broadcast signal including one or more components, service list information and Diff information,
• the Diff information representing a difference between a template and a signaling instance,
• wherein the template is pre-shared information for the signaling instance between a transmission system and a reception system, the Diff information including an element or attribute value for updating the pre-shared information,
• the one or more components are transmitted by using a ROUTE (Real-Time Object Delivery over Unidirectional Transport) protocol,
• wherein the service list information includes:
• first URL (Uniform Resource Locator) signaling information indicating a URL for acquiring a first ESG (Electronic Service Guide) or a first service layer signaling file for all broadcast services when the first ESG or the first service layer signaling file is available via a broadband,
• capability information indicating capability required for processing of a specific broadcast service,
• broadcast signaling location information including address information required for acquiring service layer signaling information for the specific broadcast service, and
• second URL signaling information indicating a URL for acquiring a second ESG or a second service layer signaling file for the specific broadcast service when the second ESG or the second service layer signaling file is available via the broadband;
• and
• a Diff applier configured to generate the signaling instance by applying the Diff information on the template.