An optical cross matrix in a fiber channel switch and its operation method
A technology of optical cross matrix and fiber channel, which is applied in the field of optical cross matrix and operation, can solve problems such as optical cross matrix that have not yet been seen, and achieve the effect of improving electromagnetic compatibility, performance and speed
Active Publication Date: 2016-03-30
中国电子科技集団公司第三十四研究所 +3
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Problems solved by technology
However, the "electronic bottleneck" of the electrical crossover matrix in the Fiber Channel switch has obviously become an obstacle to the development of Fiber Channel technology, and an optical crossover matrix that can replace the electrical crossover matrix has not yet been seen.
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Embodiment Construction
[0019] Embodiment of Optical Crossbar Matrix in Fiber Channel Switch
[0020] The embodiment of the optical cross matrix in the fiber channel switch is a four-way optical cross matrix, including a matrix controller and four identical 1×4 wavelength selective switches WSSA, B, C, D, each 1×4 wavelength selective switch WSS There are 5 add-drop multiplexing ports, one of which is used as the input port of the unidirectional reception of the optical cross matrix, and the other port is used as the output port of the unidirectional transmission of the optical cross matrix, and the remaining 3 ports are interconnected The port is connected one-to-one with the interconnection ports of the other three wavelength selective switches via optical fibers. The connections of 4 1×4 wavelength selective switches are as follows: figure 1 shown. Such as figure 2 As shown, the matrix controller is connected to each wavelength selective switch to control the opening and closing of each port o...
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The invention relates to a light crossing matrix in an optical fiber channel switch and an operation method. The light crossing matrix comprises a matrix controller and n<2> identical wavelength selection switches, wherein n is an integer ranging from two to nine, each wavelength selection switch is provided with 1+n<2> add-drop multiplexing ports which include an input port, an output port and n<2>-1 interconnection ports, and the wavelength selection switches are in butt joint in a one-to-one mode. The matrix controller is connected with the wavelength selection switches so as to control the ports to be opened and closed, and the light crossing matrix in the n<2> directions is formed. A line card controller is in communication connection with the matrix controller and the wavelength selection switches for data transmission. The operation method includes the steps that the matrix controller checks the states of the correlated ports according to the direction of a data pack; if the states of the correlated ports are idle, a communication link is built; if the states of the correlated ports are busy, priorities are compared, the port with a low priority is broadcasted and the operation is neglected; if the priority is high, the current operation is interrupted, a communication link is built and the communication link is disassembled after transmission is finished. The light crossing matrix and the operation method reduce interference, improve efficiency and facilitate upgrading for processing and exchanging of light signals.
Description
technical field [0001] The invention relates to the technical field of optical fiber communication, in particular to an optical cross matrix and an operation method in a fiber channel switch based on a wavelength selective switch. Background technique [0002] Fiber Channel (FC for short) is a new generation of data transmission technology featuring high speed, large capacity, and low latency. It is used for data transmission between computer devices, and the transmission rate can reach 1 or 2Gbps or even higher. Different from other local area network technologies, it not only supports host-peripheral channel connection, but also supports host-host network connection. It supports a variety of transmission rates (133Mb / s to 8Gb / s, and higher rates are currently being developed) and serial physical transmission media, including coaxial cables, twisted pairs, and optical fibers. The Fiber Channel Standards Organization has specially established the Avionics Subcommittee (ANSI...
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IPC IPC(8): H04B10/27H04Q11/00
Inventor 张明宇刘志强覃波龚焕星黄誉
Owner 中国电子科技集団公司第三十四研究所