[ATAC 3.0] SLT(Service List Table)

6.3 Service List Table

The Service List Table (SLT) is one of the instance type of LLS Information. The function of the SLT is similar to that of the Program Association Table(PAT) in MPEG-2 SYSTEM[33], and the Fast Information Channel(FIC) found in ATSC A/153, Part 3[49]. 

For a receiver first encountering the broadcast emission, this is the place to start. It supports a rapid channel scan which allows a receiver to build a list of all the services it can recevie, with their channel name, channel number, etc., and it provides bootstrap information that allows a receiver to discover the SLS for each service.

For Route/DASH-delivered services, the bootstrap information includes the destination IP address and destination port of the LCT channel that carries the SLS.

For MMTP/MPU-delivered services, the bootstrap information includes the destination IP address and destination port of the MMTP session carrying the SLS.

<?xml version="1.0" encoding="UTF-8"?> <SLT xmlns="http://www.atsc.org/XMLSchemas/ATSC3/Delivery/SLT/1.0/" bsid="4">     <Service serviceId="402" sltSvcSeqNum="1" protected="false" majorChannelNo="5" minorChannelNo="1" serviceCategory="1" shortServiceName="PX-ROT" hidden="false" broadbandAccessRequired="false">         <BroadcastSvcSignaling slsProtocol="1" slsMajorProtocolVersion="1" slsMinorProtocolVersion="0" slsDestinationIpAddress="239.255.11.4" slsDestinationUdpPort="51114" slsSourceIpAddress="192.168.50.231"/>     </Service> </SLT>