NETWORK LOAD BALANCER, REQUEST MESSAGE DISTRIBUTION METHOD, PROGRAM PRODUCT AND SYSTEM

A network load balancer, a request message distribution method, a program product, and a system provided by the present disclosure relate to cloud computing technology. The network load balancer includes: a network port and N intermediate chips; the N intermediate chips are connected in sequence; the network port is connected to a first intermediate chip among the N intermediate chips; N is a positive integer greater than or equal to 1; the network port is configured to receive a request message and forward the request message to the first intermediate chip; each of the intermediate chips is configured to forward the request message to a next intermediate chip connected to a current intermediate chip if connection information matching the request message is not found; and transmit the request message to a background server according to the connection information if the connection information matching the request message is found.