CN203800942U - Optical cross matrix in fiber channel switch - Google Patents
Optical cross matrix in fiber channel switch Download PDFInfo
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- CN203800942U CN203800942U CN201420086256.4U CN201420086256U CN203800942U CN 203800942 U CN203800942 U CN 203800942U CN 201420086256 U CN201420086256 U CN 201420086256U CN 203800942 U CN203800942 U CN 203800942U
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- matrix
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- optical cross
- selective switches
- controller
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- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
The utility model relates to an optical cross matrix in a fiber channel switch. The optical cross matrix comprises a matrix controller and n<2> identical wavelength selective switches, wherein the n is an integer from 2 to 9, each wavelength selective switch comprises 1+n<2> add-drop multiplexing ports which are respectively an input port, an output port and n<2>-1 interconnection ports, and the interconnection ports of the wavelength selective switches are in one-to-one butt joint. The matrix controller is connected with the wavelength selective switches, and controls the on/off of the interconnection ports to form an n<2>-directional optical cross matrix; and a line card controller is in communication connection with the matrix controller and the wavelength selective switches to realize data transmission. The matrix controller checks the state of relevant ports according to the trend of a data package, and establishes a communication link if the state is idle; and the matrix controller compares the priority if the state is busy, ignores the operation for the broadcast with low priority, interrupts the current operation and establishes a communication link if the priority is high, and dismantle the communication link after finishing the transmission. The optical cross matrix is used for processing and exchanging optical signals, reduces interference, improves efficiency, and is favorable for upgrade.
Description
Technical field
The utility model relates to technical field of optical fiber communication, is specially the optical cross-matrix in a kind of fibre channel media based on wavelength-selective switches.
Background technology
Optical-fibre channel (Fiber Channel, be called for short FC) be a kind ofly have at a high speed, the data transmission technology of new generation of large capacity, low delay feature, for transfer of data between computer equipment, transfer rate can reach 1 or 2Gbps even higher.Different from other LAN Technique, it not only supports the passage of main frame-peripheral hardware to connect, and also supports the network of main frame-main frame to connect.It supports multiple transmission rate (133Mb/s, to 8Gb/s, is developing higher rate at present) and serial physical transfer medium, comprises coaxial cable, twisted-pair feeder and optical fiber.Fibre channel standard is organized and has been set up specially aviation electronics sub-committee (ANSI FC-AE), how main research FC technology is applied to aviation electronics field, 5 kinds of protocol specifications are formulated at present, FC-AE-1553 is wherein a kind of, also has in addition FC-AE-ASM, FC-AE-FCLP, FC-AE-RDMA and FC-AE-VI.Optical-fibre channel relies on the excellent properties of high bandwidth, low delay, low error rate to start to be applied in the middle of the interconnection of Aero-Space high-speed electronic device, as F/A-18E/F, EA-18G, E-2D, F-35, AH-64Apache, B-1B, V22 etc.Optical-fibre channel is at home and abroad widely adopted in commercial kitchen area as storage area network at present, but optical-fibre channel is as bus protocol and the support under aviation electronics environment is provided, building unified aviation electronics network of new generation application at home with FC-AE also needs to need to be further developed.
Realizing optical-fibre channel technology mainly comprises with the fibre channel media of F port and terminal device interface card two parts of N port composition, wherein fibre channel media mainly comprises line card and crosspoint two parts composition, and crosspoint adopts following several method conventionally: adopt centralized processor and memory to realize, adopt the mode majority of switching matrix to take electric cross protocol chip to realize, adopt multistage multilevel multimachine tank bracket structure formula.Traditional crosspoint implementation is all to carry out data exchange processing after adopting opto-electronic conversion again, electronics " bottleneck " successful, and the electric Cross module using in fibre channel media, because the effect of opto-electronic conversion has greatly limited the index such as performance and speed of fibre channel media, is unfavorable for the upgrading of fibre channel media.
At present, based on technology wavelength-selective switches technology maturations such as MEMS, LC or LCoS, commercial 1 × 9 10 port wavelength-selective switches markets application of comparative maturity are just like a raging fire.1 × 16 port that some are more high-end or the switch of 1 × 20 port are also carrying out marketing.Utilize wavelength-selective switches can form point-to-point optical switching matrix, replace traditional electric switching matrix application, reduce electromagnetic interference, greatly improve the operating efficiency of fibre channel media.
The application of optical-fibre channel technology aspect bussing technique, is particularly applied under some harsh environmental condition, due to its at a high speed, the characteristic of the excellence such as anti-interference certainly will become bussing technique of future generation.But " electronic bottleneck " of the electric cross matrix in fibre channel media becomes the obstacle of optical-fibre channel technical development significantly at present, there is not yet a kind of optical cross-matrix that replaces electric cross matrix.
Utility model content
The purpose of this utility model is the optical cross-matrix in a kind of fibre channel media of design, comprises matrix controller and n
2individual 1 identical × n
2wavelength-selective switches, forms and has n
2individual input port and n
2the n of individual output port
2to optical cross-matrix.
Optical cross-matrix in a kind of fibre channel media of the utility model design, described fibre channel media comprises line card controller and cross matrix, described cross matrix is optical cross-matrix, Cover matrix controller and n
2individual 1 identical × n
2wavelength-selective switches, n is 2 to 9 integer, each 1 × n
2wavelength-selective switches has 1+n
2individual add drop multiplex port, wherein 1 port is as the input port of the unidirectional reception of this optical cross-matrix, and another 1 port is as the output port of the unidirectional transmission of this optical cross-matrix, all the other n
2-1 port is interconnect port, with other n
2the interconnect port of-1 wavelength-selective switches connects one to one through optical fiber.Matrix controller is connected with each wavelength-selective switches, controls the keying of the each port of wavelength-selective switches, forms and has n
2individual input port and n
2the n of individual output port
2to optical cross-matrix; The line card controller communication connection of matrix controller and fibre channel media, receives the data that fibre channel media system sends, and the input/output port communication connection of line card controller and each wavelength-selective switches, realizes transfer of data.
Optical cross-matrix in the utility model fibre channel media can be realized n
2to in certain to i simultaneously to other n
2-1 to signal transmission, carries out broadcast operation; Also can realize n
2to in certain to i to other n
2-1 in j to signal transmission, carry out circuit switching operation.When the operation of the optical cross-matrix in this fibre channel media, matrix controller is received the frame structure of the packet of line card controller transmission, obtains packet trend, checks relevant each interconnect port state, if port is not busy state, connects related port and set up communication link; If port is busy condition, carry out priority ratio, if this operation is ignored in the low broadcast of priority; If this requires the priority level of exchanges data higher than when the ongoing operation of front port, interrupt when the ongoing operation of front port, connect related port and set up communication link, carry out transfer of data; After transfer of data completes, remove communication link.
Compared with prior art, optical cross-matrix advantage in a kind of fibre channel media of the utility model is: 1, this optical cross-matrix is as the crosspoint of fibre channel media, with the formal layout information of light, compare the crosspoint that carries out again the electric cross matrix of data exchange processing after traditional employing opto-electronic conversion, improve the Electro Magnetic Compatibility of fibre channel media,, reduce electromagnetic interference, and overcome electric light conversion and electronics " bottleneck " problem brought; 2, this optical cross-matrix directly carries out processing and the exchange of light signal, has improved the index such as performance and speed of fibre channel media, has greatly improved the operating efficiency of fibre channel media; 3, form the wavelength-selective switches technology maturation of optical cross-matrix, 1 × 9 the existing ripe business market of 10 port wavelength-selective switches, 1 × 16 port that some are more high-end or the switch of 1 × 20 port also occur on market, are convenient to of the present utility model applying; 4, optical cross-matrix is conducive to fibre channel media and further upgrades, and can save upgrade cost.
Brief description of the drawings
Fig. 1 is optical cross-matrix embodiment 4 in this fibre channel media syndeton schematic diagram to 41 × 4 wavelength-selective switches of full optical switching matrix;
Fig. 2 is the connection configuration diagram of optical switching matrix embodiment illustrated in fig. 1 in fibre channel media.
Embodiment
Optical cross-matrix embodiment in this fibre channel media is four-way optical cross-matrix, comprise 1 × 4 wavelength-selective switches WSSA, B, C, D that matrix controller is identical with 4, each 1 × 4 wavelength-selective switches WSS has 5 add drop multiplex ports, wherein 1 port is as the input port of the unidirectional reception of this optical cross-matrix, another 1 port is as the output port of the unidirectional transmission of this optical cross-matrix, all the other 3 ports are interconnect port, are connected one to one through optical fiber with the interconnect port of other 3 wavelength-selective switches.The connection of 41 × 4 wavelength-selective switches as shown in Figure 1.As shown in Figure 2, matrix controller is connected with each wavelength-selective switches, controls the keying of wavelength-selective switches WSS each port, form have A, the B of 4 input ports and 4 output ports, C, D4 to optical cross-matrix.The line card controller communication connection of matrix controller and fibre channel media, receives the data that fibre channel media sends, and the input/output port communication connection of line card controller and each wavelength-selective switches, realizes transfer of data.
Press the connected mode that the present embodiment is identical, matrix controller connects 91 × 9 wavelength-selective switches, forms the optical cross-matrix that has 9 input ports and 9 output ports.Matrix controller connects 16 1 × 16 wavelength-selective switches, forms the optical cross-matrix that has 16 input ports and 16 output ports.
Above-described embodiment, is only the specific case that the purpose of this utility model, technical scheme and beneficial effect are further described, and the utility model is not defined in this.All any amendments of making, be equal to replacement, improvement etc., within being all included in protection range of the present utility model within scope of disclosure of the present utility model.
Claims (1)
1. the optical cross-matrix in fibre channel media, described fibre channel media comprises line card controller and cross matrix, it is characterized in that:
Described cross matrix is optical cross-matrix, comprises matrix controller and n
2individual 1 identical × n
2wavelength-selective switches, n is 2 to 9 integer, each 1 × n
2wavelength-selective switches has 1+n
2individual add drop multiplex port, wherein 1 port is as the input port of the unidirectional reception of this optical cross-matrix, and another 1 port is as the output port of the unidirectional transmission of this optical cross-matrix, all the other n
2-1 port is interconnect port, with other n
2the interconnect port of-1 wavelength-selective switches connects one to one through optical fiber; Matrix controller is connected with each wavelength-selective switches, controls the keying of the each port of wavelength-selective switches, forms and has n
2individual input port and n
2the n of individual output port
2to optical cross-matrix; The line card controller communication connection of matrix controller and fibre channel media, the input/output port communication connection of line card controller and each wavelength-selective switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086256.4U CN203800942U (en) | 2014-02-27 | 2014-02-27 | Optical cross matrix in fiber channel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086256.4U CN203800942U (en) | 2014-02-27 | 2014-02-27 | Optical cross matrix in fiber channel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800942U true CN203800942U (en) | 2014-08-27 |
Family
ID=51383126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086256.4U Withdrawn - After Issue CN203800942U (en) | 2014-02-27 | 2014-02-27 | Optical cross matrix in fiber channel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795469A (en) * | 2014-02-27 | 2014-05-14 | 中国电子科技集团公司第三十四研究所 | Light crossing matrix in optical fiber channel switch and operation method |
| CN104579475A (en) * | 2015-02-26 | 2015-04-29 | 浪潮电子信息产业股份有限公司 | Shifter applied to optical fiber switch |
| CN104618026A (en) * | 2015-02-10 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Design method of optical fiber interconnection system |
-
2014
- 2014-02-27 CN CN201420086256.4U patent/CN203800942U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795469A (en) * | 2014-02-27 | 2014-05-14 | 中国电子科技集团公司第三十四研究所 | Light crossing matrix in optical fiber channel switch and operation method |
| CN103795469B (en) * | 2014-02-27 | 2016-03-30 | 中国电子科技集团公司第三十四研究所 | Optical cross-matrix in a kind of fibre channel media and operation method |
| CN104618026A (en) * | 2015-02-10 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Design method of optical fiber interconnection system |
| CN104579475A (en) * | 2015-02-26 | 2015-04-29 | 浪潮电子信息产业股份有限公司 | Shifter applied to optical fiber switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |