Method for Transmitting Only Document Change Data
Original Publication Date: 1984-Jun-01
Included in the Prior Art Database: 2005-Feb-04
This invention relates to a method for replicating document change data originating at one of several local cache-supported terminals interactively networked through a CPU. The method steps include (a) locally caching documents and updating local logs and directories (b) responsive to updating of the local cache documents through a counterpart terminal, comparing the form and content identities of the changed document with designated other cache directories and (c) upon a match entering only the updates, upon a complete mismatch entering the entire document and updates, and upon a forms identity match entering only the content updates. This invention applies to the transmission of documents (i.e.