1. A method of distributing information formatted in a markup language in a network of network nodes interconnected by communication links, the network nodes being configured: to make routing decisions for the information formatted in the markup language by applying markup language subscription information to the information formatted in the markup language; and to forward the information formatted in the markup language toward subscribing clients according to the markup language subscription information; the method comprising: establishing a network topology in the network of network nodes for the distribution of the information formatted in the markup language between the network nodes; coupling subsets of subscribing clients to the network respective originating network nodes; enabling the respective originating network nodes to transmit information formatted in the markup language on the network; and operating the network nodes: to receive markup language subscription information from respective subsets of subscribing clients; to locally apply the markup language subscription information to respective information formatted in the markup language; to select respective information formatted in the markup language to be forwarded to respective subsets of subscribing clients without exchanging markup language subscription information between network nodes; and to forward the selected information formatted in the markup language toward respective subscribing clients according to the markup language subscription information submitted by the subscribing clients.
1. A method of distributing information formatted in a markup language in a network of network nodes interconnected by communication links, the network nodes being configured: to make routing decisions for the information formatted in the markup language by applying markup language subscription information to the information formatted in the markup language; and to forward the information formatted in the markup language toward subscribing clients according to the markup language subscription information; the method comprising: establishing a network topology in the network of network nodes for the distribution of the information formatted in the markup language between the network nodes; coupling subsets of subscribing clients to the network respective originating network nodes; enabling the respective originating network nodes to transmit information formatted in the markup language on the network; and operating the network nodes: to receive markup language subscription information from respective subsets of subscribing clients; to locally apply the markup language subscription information to respective information formatted in the markup language; to select respective information formatted in the markup language to be forwarded to respective subsets of subscribing clients without exchanging markup language subscription information between network nodes; and to forward the selected information formatted in the markup language toward respective subscribing clients according to the markup language subscription information submitted by the subscribing clients. 18. The method of claim 1 , wherein the information formatted in the markup language comprises messages formatted in the markup language.