Disclosed is a broadcast signal transmission method. The broadcast signal transmission method comprises the steps of: processing at least one component of a broadcast service on the basis of a delivery protocol; generating service layer signaling (SLS) information including information for discovering and acquiring the at least one component of the broadcast service; generating service list table (SLT) information including bootstrap information for acquiring the SLS information; and performing physical layer processing of the at least one component, the SLS information, and the SLT information on the basis of a physical layer pipe (PLP).