Azure Load Balancer operates at the transport layer of the Open Systems Interconnection (OSI) model. This Layer 4 functionality allows traffic management based on specific properties of the traffic. Properties including source and destination address, TCP or UDP protocol type, and port number.

 Azure Load Balancer operates at the transport layer of the Open Systems Interconnection (OSI) model. This Layer 4 functionality allows traffic management based on specific properties of the traffic. Properties including source and destination address, TCP or UDP protocol type, and port number.