A method and system for message handling implemented by a first node in a distributed computing environment. The method including receiving a message including a connection identifier to identify a connection in the application layer to be utilized to send the message to a client application, parsing the connection identifier to determine a node identifier indicating a second node in the distributed computing environment that implements the connection, and forwarding the message to the second node that implements the connection by a message broker that utilizes a routing information registry to locate the second node using the node identifier, in response to the first node having a different node identifier than the node identifier of the message.