| 摘要 |
A mechanism is disclosed for enabling a plurality of nodes on a network to collaboratively exchange sets of rendering information respecting a file. In one implementation, each node maintains its own copy of the file, and each node may access its copy of the file. Whenever a node does access the locations of the file, that node sends out a rendering information message. The rendering information message comprises the set of rendering information for the file that has been updated. The rendering information message is forwarded to each of the other nodes. When each of the other nodes receives the rendering information message, it stores the set of rendering information contained therein to a rendering history associated with a user. In this manner, histories of access in the file by all users are exchanged among the nodes, and the user on each node is able to see rendering information generated by users on the other nodes. Collaboration among the users is thus achieved.
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