Method of broadcasting data through semi-permanent connection
A technology for permanent connection and broadcast data, applied in data exchange networks, digital transmission systems, electrical components, etc., it can solve problems such as failure of semi-permanent connection reconstruction, and achieve the effect of reducing communication between chassis
Inactive Publication Date: 2008-02-20
HUAWEI TECH CO LTD
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Problems solved by technology
[0010] The technical problem to be solved by the present invention is to provide a method for broadcasting data through a semi-permanent connection, which overcomes the defect in the prior art that the semi-permanent connection fails to be rebuilt due to the convergence of the endpoints after the endpoint fails
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[0036] In Figure 1, frame 1 and frame 2 are cascaded through three optical fibers 102, and endpoint C is the middle time slot between frame 1 and frame 2, where C' indicates that the middle time slot is in the time slot of frame 1 , C" means that the middle time slot is in the time slot of the frame 2, C' and C" are connected through the optical fiber 102, the end point A of the frame 1 and the end point B of the frame 2 are semi-permanently connected A->C' and C"- >B, realize the forward networking of A->B.
[0037] If there is no semi-permanent multicast and there is only one semi-permanent at most at endpoint B, then all connections of endpoint B can be released directly to ensure the correctness of semi-permanent reconstruction. However, since there may be multiple connections at point B (such as B->D, B->E, not shown in the figure), all connections at point B cannot be simply released. If you send a message to release the network connection of C”->B, through the message ...
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The invention relates to a method for using semi-permanent connection broadcast data, which requests one record block for each semi-permanent and its end to record the information of semi-permanent connection and the network information of said frame; distributing unique index number for record block of each semi-permanent connection to be recorded in the terminal formation of said semi-permanent connection to be sent to each frame at the first network connection; when the terminal of said semi-permanent has accidence, it can be indexed into relative record block via the terminal information and confirm the correct release of semi-permanent connection, avoid terminal collection, confirm the success that rebuilding network, avoid rewrite the terminal code, avoid information check mechanism, reduce the communication amount between frames, improve the terminal code utilization rate, enlarge the system capacity and realize the service of variable single frame.
Description
technical field [0001] The present invention relates to a communication networking method, more specifically, relates to a method for broadcasting data from one end point to multiple end points by using a semi-permanent connection. Background technique [0002] Semi-permanent connection, that is, the two endpoints are always connected to the network. If abnormal conditions such as endpoint failure occur, it is required to rebuild the network in time when the abnormal situation recovers. Multicasting of semi-permanent connections, that is, broadcasting data from one endpoint to multiple endpoints through multiple semi-permanent connections. For example, two semi-permanent connections: A->B (forward connection from point A to point B) and A->D (forward connection from point A to point D), for point A, there are two semi-permanent connections, so that Data coming into point A is broadcast to points B and D respectively. [0003] For services such as signaling monitoring...
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IPC IPC(8): H04L12/24H04L12/50
Inventor 王丹
Owner HUAWEI TECH CO LTD