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Alternative TitleHigh-availability industrial Ethernet redundancy method
于海斌; 徐皑冬; 姜立群; 宋岩
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Status有权 著录变更 权利转移
Other AbstractThe invention relates to a high-availability industrial Ethernet redundancy method, which comprises the following steps: adding a link redundancy entity on an original data link layer of the Ethernet for managing the sending and receiving of data frames of the Ethernet setting two network adapter drivers relative to an original protocol stack for managing two network adapter interfaces connecting a double-connected node which comprises the link redundancy entity and the two network adapter drivers to two independent networks respectively through two network adapters adding a redundancy control tracker for the data frames on the link redundancy entity for distinguishing the data frames with the same content sending the data frames which have the same content and is provided with the redundancy control tracker to two mutually-independent networks by the double-connected node through the two network adapters keeping effective frames and discarding copy frames and setting up a node table. The method has the characteristics of transparency, self-healing property and compatibility and the like and the reconstruction thereof is simple, and the safety performance of the system is increased so as to enable the system to have high usability.
PCT Attributes
Application Date2008-12-17
Date Available2011-11-09
Application NumberCN200810229891.2
Open (Notice) NumberCN101753348A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
于海斌,徐皑冬,姜立群,等. 一种高可用性工业以太网冗余方法[P]. 2010-06-23.
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