My favorite links. Part 1.

Links on satellite TV, IPTV and related topics:
Configure IGMP on the local network to monitor IPTV broadcast streams
How to load STB
NTV Plus on Eutelsat W4 at 36.0 ° E - LyngSat
IPTV in Russia. IPTV and IP communications.
CGMP protocol
HDTV channels
Differences between IGMPv3 and IGMPv2
Configure IGMP on the local network to monitor IPTV broadcast streams using a Cisco Catalyst 3550-12T
Cable and Satellite TV | News topics
Multicast routing
PIM protocol
RFC 3569 (rfc3569) - An Overview of Source-Specific Multicast (SSM)
MPEG format. The structure of the transport stream MPEG. PID codes, encoder, data, synchronization, compression.
VLC command-line help - VideoLAN Wiki
Television Technologies
FFmpeg Documentation
Multicast address
Encyclopedia
DVB-S2 - Encyclopedia

Later lay the rest, most of the links.