In multicast networks, where a single source disseminates information to multiple destinations concurrently, network coding can significantly improve reliability and bandwidth utilisation.

Routing IP multicast packets makes unicast routing – getting a unicast packet from its source to its destination, across a constantly changing landscape of interconnected networks – look like ...

However, some network configurations with multiple routers or switches may require an accompanying IGMP querier to function correctly, without blocking all multicast traffic.