Systems and techniques are disclosed for receiving, with a load balancer, a request from a client device. The request includes a session identifier corresponding to a session state associated with the request. The session state is stored on a first node within a cluster of nodes associated with the load balancer. A hash function is applied using the session identifier and topology information about the cluster of nodes. Based on a result of the hash function, a determination is made as to a selected node within the cluster of nodes to which the request is to be routed. The request is routed to the selected node.
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