ROUTE INFORMATION TRANSMISSION METHOD AND APPARATUS, AND SYSTEM AND STORAGE MEDIUM

The present application provides a route information transmission method and apparatus, and a system and a storage medium. The system comprises a plurality of leaf nodes and at least one spine node. A first node determines, according to current state information of at least one interface of the first node, a load balancing weight of other nodes to the first node through a first interface of the first node, and sends the load balancing weight and the hop count of other nodes to the first node through the first interface by means of the first interface. A second node determines, according to a load balancing weight of the second node to the first node through at least one interface of the second node, a load balancing weight of other nodes to the first node through a second interface of the second node. The hop count of other nodes to the first node through the second interface is determined according to the hop count of the second node to the first node through at least one interface of the second node, and th