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A method for maintaining end-to-end integrity of data in a multi-ring local area network
A method for maintaining end-to-end integrity of data in a multi-ring local area network
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机译:一种在多环局域网中维护数据的端到端完整性的方法
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摘要
A method for protecting the integrity of data in a multi-loop communication network is disclosed. A source station generates and forwards a frame with a unique format and a frame check sequence (FCS). At each bridge, an algorithm is provided to process the frame. If the frame is at a source bridge and not discarded, the FCS is preserved by encapsulating it in the Information field. The source bridge generates a new FCS, appends it to the frame and forwards the frame. Thereafter, each intermediate bridge generates its own FCS, appends it to the frame and forwards the frame. At the target bridge, no FCS is generated. The preserved FCS is forwarded as the FCS of the frame.
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