Packet Broker Agent connects The Things Stack with Packet Broker for exchanging traffic with other networks.
Packet Broker Agent can be configured as Forwarder, as Home Network or both. As Forwarder, the Packet Broker Agent publishes uplink messages received from gateways and subscribes to downlink messages, to be transmitted by gateways. As Home Network, the Packet Broker Agent subscribes to uplink messages for this network, and publishes downlink messages to be transmitted via other networks.