1. One or more computer storage media storing computer-useable instructions that, when used by one or more computing devices, cause the one or more computing devices to perform operations comprising: generating a hash value for a node within a hierarchical structure at a first computing device, wherein the hash value represents content associated with the node; and initiating replication of the content associated with the node to a second computing device based on the hash value for the node at the first computing device being different from a hash value for a corresponding node at the second computing device.