SAP SE
Rest gateway for messaging

Abstract:

A system includes reception, at a first computing node in a cluster of computing nodes, of a request to subscribe to a first message queue of a messaging middleware software component, determination, at the first computing node, of a preferred number of computing nodes of the cluster of computing nodes to listen to the first message queue, determination, at the first computing node and based on data stored in a shared database accessible to each computing node of the cluster, a current number of computing nodes of the cluster which are listening to the first message queue, and, based on a difference between the preferred number and the current number, sending one or more requests to the messaging middleware software component to associate one or more of the computing nodes of the cluster with the first message queue.