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Shared storage switch sending control method

A shared memory and switch technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as loss, bloated switching circuit structure, limited storage bandwidth, etc., achieve high data capture success rate and improve utilization rate Effect

Active Publication Date: 2015-04-01
西安翔腾微电子科技有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] 1. It is necessary to add a buffer at the capture output port to store the captured frame data, which makes the switching circuit structure bloated
[0004] 2. When multiple input and output ports are captured at the same time, due to the limited storage bandwidth, the inability to capture in real time will easily cause data loss

Method used

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  • Shared storage switch sending control method

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing the present invention is described in further detail, please refer to figure 1 , a shared memory switch transmission control system, comprising a capture configuration port, an input capture module, an output capture module, a capture scheduling module, an exchange control module, and a capture output port;

[0030] Capture configuration port: used to configure the switch input port capture parameters and switch output port capture parameters that need to be captured, and send the switch input port capture parameters to the input capture module, and the switch output port capture parameters to the output capture module; the switch input port Capture parameters include switch input port number or input frame type, switch output port capture parameters include switch output port number or output frame type;

[0031] Input capture module: according to the switch input port capture parameters to capture the sampling information...

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Abstract

The invention relates to a shared storage switch sending control method. According to the method, the characteristics of shared storage are sufficiently used, during switching data frame capture, only storage addresses of switches frames and state information such as switching data frame error information, switch ports and input or output timestamp are captured, the switching data per se is not captured, the captured data reuses the switching data, the release is realized after the captured data is output from a capture port, and the difficult design problem of the traditional capture port is effectively solved.

Description

technical field [0001] The invention belongs to computer hardware technology, and relates to a method for controlling transmission of a shared memory switch. Background technique [0002] In the switch design, it is often necessary to capture the exchanged frame concerned and output it from the capture port, and at the same time, it is required to output the frame's error status, input port number and input time stamp, or output port number and output time stamp. In the traditional input and output capture design, a capture data channel is often built between the input port, output port and capture port. When the data frame to be captured is input from the input port, it is output to the capture output port, or when the data frame to be captured When the frame is output from the output port, it is output to the capture output port. Although this design can also achieve control, it still has the following defects: [0003] 1. It is necessary to add a buffer at the capture ou...

Claims

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Application Information

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IPC IPC(8): H04L12/937
Inventor 张荣华王治安博锋李哲王泉吴晓成
Owner 西安翔腾微电子科技有限公司
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