CN102882811A - Data center light interconnection network system based on array waveguide grating and communication method - Google Patents
Data center light interconnection network system based on array waveguide grating and communication method Download PDFInfo
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Abstract
The invention discloses a data center light interconnection network system based on an array waveguide grating and a communication method. By adopting the data center light interconnection network system based on the array waveguide grating and the communication method, the problems of low equipment utilization rate and big structuring cost in the existing light network are mainly solved. The network system provided by the invention comprises a P layer network structure, wherein every layer is provided with K clusters, and every cluster is formed by connecting two mixed exchangers and K+1 frames, wherein every frame is formed by connecting an edge exchanger and K-1 servers; every two clusters are connected through the pointed edge exchanger used as a transfer exchanger between the clusters; every two layers are connected to each other through the pointed edge exchanger used as an interlayer transfer exchanger; by utilizing a wavelength division multiplexing property of the array waveguide grating, the flow is dispersed to every edge exchanger in communication to realize the light grouping exchange. On the basis of ensuring the network performance, the utilization rate of the array waveguide grating in the network can be effectively improved, the structuring cost of the network is reduced, and the complexity of wiring is lowered.
Description
Technical field
The invention belongs to Internet technical field, be specifically related to the optical interconnection network system of data center, can be used for realizing the efficient communication between the data center server.
Background technology
The restriction of the problems such as along with the development of cloud computing technology, data center need to process the magnanimity resource, and traditional data center's electric network framework is subjected to self energy consumption height, and it is complicated to connect up, and transmission rate is limited is difficult to meet the demands.Because the light interconnection itself has the characteristic of high bandwidth and low energy consumption, so optical interconnection network becomes the focus that the researcher pays close attention to.Optical switch is mostly based on MEMS(Micro electro mechanical System at present), it is fast to have transmission rate, low power consumption and other advantages, but brought inevitably two large problems: first, it is long that network reconfigures the time, the time-delay of finishing a data transfer and need Millisecond when network just can reconfigure optical circuit and carry out transmission next time, and large like this time-delay is that data center can not bear.The second, control circuit is complicated, connects and need to realize accurately upset to each MEMS minute surface owing to change circuit, thereby need complicated control circuit.Given this, the switching network plan based on the array waveguide grating switch becomes study hotspot.Article " DOS-A Scalable Optical Switch for Datacenters " (In Proceedings of Architectures for Networking and Communications Systems) has proposed a kind of single switch star network topology based on array waveguide grating, but because this scheme has adopted the network topology structure of star, network size is very limited.Article " Bufferless Optical Clos Switches for Data Centers " (In Proceedings of Optical Fiber Communication Conference and Exposition) proposes to utilize the clos network with the array waveguide grating cascade, as the switch of core layer.But this scheme causes the too much redundancy of network in order to obtain high-performance, and link and array waveguide grating utilance are lower, are subject to simultaneously extended mode, and the expansion of network size makes the construction cost of network too high.Therefore, these network topology schemes can not satisfy under the cloud computing environment application demand to the large-scale data center.
Summary of the invention
The object of the invention is to the deficiency for above-mentioned prior art, a kind of large-scale data center light interconnected network system and communication means based on array waveguide grating proposed, under the prerequisite that guarantees network high bandwidth and the contour performance of low delay, improve utilization rate of equipment and installations, reduce the construction cost of network.
For achieving the above object, the present invention is based on the large-scale data center light interconnected network system of array waveguide grating, comprise P layer network structure, every layer has K bunch, the integer of P 〉=1, and the integer of K 〉=3 is characterized in that:
Each bunch comprises:
With two convergence switches that 2 array waveguide gratings consist of, every convergence switch comprises that K+1 is to input/output port;
With K+1 edge of table switch and (K+1) * (K-1) K+1 frame consisting of of station server, every edge of table switch comprises two pairs of up input/output ports, input/output port between a pair of bunch, and K-1 is to descending input/output port; Every station server comprises a pair of input/output port;
Annexation in each bunch is:
The K+1 of First convergence switch is to input/output port, be connected with the up input/output port of the first couple of K+1 edge of table switch in K+1 the frame respectively, the K+1 of second convergence switch is connected with the up input/output port of the second couple of K+1 edge of table switch input/output port; Each frame by the K-1 of an edge of table switch to I/O mouth corresponding connect and compose of descending input/output port with the K-1 station server;
Annexation between K bunch is:
H edge of table switch in first bunch links to each other with First edge switch in h bunch by input/output port between a pair of bunch, in like manner, n edge of table switch in m bunch links to each other with m edge of table switch in n bunch by input/output port between a pair of bunch, wherein, and 2≤h≤K, 1≤m≤K, 1≤n≤K, m ≠ n, and h, m, n are integer;
Between each layer by K edge of table switch bunch between input/output port link to each other.
Above-mentioned optical interconnection network system is characterized in that, between described each layer by K edge of table switch bunch between input/output port link to each other, its annexation is:
The address of setting every stratum server is: a, and b, c, d, the edge switch address is a, b, c, 0, the address of convergence switch is: a, b, 0,0, wherein, a represents level number, b representative bunch number, and c represents shelf number, d representative server number, 1≤a≤P, 1≤b≤K, 1≤c≤K+1,1≤d≤K-1, and a, b, c, d are integer;
The address is v in every one deck, w, K+1, the address is v+1 in 0 edge switch and lower one deck, w, w, 0 edge switch by bunch between input/output port connect, form the cyberspace stereochemical structure, wherein, 1≤v≤P-1,1≤w≤K, and v, w are integer.
Above-mentioned optical interconnection network system, it is characterized in that, edge switch, comprise: wavelength multiplexer, a K-1 filter and three shared buffer memory modules of array waveguide grating, controller, a K-1 optical label extractor, a K-1 optical delay line, a K-1 wavelength shifter, a K-1 2:1, K is the number in one deck bunch, and the integer of K 〉=3;
Described array waveguide grating is provided with K+1 to input/output port, wherein:
Front K-1 input port connected mode is identical, and each input port is connected with the wavelength multiplexer of a 2:1, wavelength shifter, optical delay line and an optical label extractor of successively, consists of K-1 input port of edge switch;
Front K-1 output port connected mode is identical, and each output port connects a filter, consists of K-1 output port of edge switch;
K input port is connected with the first shared buffer memory module 1, and this first shared buffer memory module 1 is provided with two input ports, K output port and pair of control port; Two input ports consist of two up input ports of edge switch, a front K-1 output port links to each other with K-1 wavelength multiplexer respectively, K input port of K output port and array waveguide grating links to each other, and the pair of control port links to each other with described controller;
K output port is connected with the second shared buffer memory module 2, and this second shared buffer memory module 2 is provided with K input port, two output ports and pair of control port; Two output ports consist of two up output ports of edge switch, and a front K-1 input port links to each other with K-1 filter respectively, and K output port of K input port and array waveguide grating links to each other, and the pair of control port links to each other with controller;
K+1 input port links to each other with the 3rd shared buffer memory module 3, and the 3rd shared buffer memory module 3 is provided with a pair of input/output port and pair of control port; Input port between one bunch of input port formation edge switch, K+1 input port of output port and array waveguide grating links to each other, and the pair of control port links to each other with controller;
Output port between one bunch of K+1 output port formation edge switch;
Described controller, be provided with K+2 to input/output port, wherein, a front K-1 input port links to each other with described K-1 optical label extractor respectively, a front K-1 output port links to each other with a described K-1 wavelength shifter respectively, rear three pairs of input/output ports link to each other with the 3rd shared buffer memory module 3 with described the first shared buffer memory module 1, the second shared buffer memory module 2 respectively.
Above-mentioned optical interconnection network system, wherein said the first shared buffer memory module 1 comprises: wavelength demultiplexer two 1:(K+1), 2 * (K+1) individual optical-electrical converters, a memory, 2K-1 electrical to optical converter, the wavelength multiplexer of a K:1, a shared buffer memory controller, K is the number in one deck bunch, and the integer of K 〉=3;
Described memory is provided with 2 * (K+1) individual input ports, 2K-1 output port and u control port, u〉0 integer, wherein:
A front K+1 input port links to each other with first wavelength demultiplexer by K+1 optical-electrical converter;
A rear K+1 input port links to each other with second wavelength demultiplexer by 2 * (K+1)-(K+1) individual optical-electrical converters;
A front K-1 output port links to each other with K-1 electrical to optical converter;
A rear K output port links to each other with a wavelength multiplexer by K electrical to optical converter;
U control port links to each other with the corresponding ports of shared cache controller.
Above-mentioned optical interconnection network system, wherein said the second shared buffer memory module 2, comprise: the wavelength demultiplexer of a 1:K, a 2K-1 optical-electrical converter, memory, 2 * (K+1) individual electricals to optical converter, two (K+1): 1 wavelength multiplexer and a shared buffer memory controller, K is the number in one deck bunch, and the integer of K 〉=3;
Described memory is provided with 2K-1 input port, 2 * (K+1) individual output ports and u control port, and u is the integer greater than 0, wherein:
A front K-1 input port links to each other with K-1 optical-electrical converter;
A rear K input port links to each other with a wavelength demultiplexer by K optical-electrical converter;
A front K+1 output port links to each other with first wavelength multiplexer by K+1 electrical to optical converter;
A rear K+1 output port links to each other with second wavelength multiplexer by 2 * (K+1)-(K+1) individual electricals to optical converter;
U control port links to each other with the corresponding ports of shared cache controller.
Above-mentioned optical interconnection network system, wherein said the 3rd shared buffer memory module 3 comprises: the wavelength demultiplexer of a 1:K, K optical-electrical converter, a memory, K electrical to optical converter, the wavelength multiplexer of a K:1, a shared buffer memory controller, K is the number in one deck bunch, and the integer of K 〉=3;
Described memory is provided with K input port, K output port and u control port, u〉0 integer, wherein:
K input port links to each other with a wavelength demultiplexer by K optical-electrical converter;
K output port links to each other with a wavelength multiplexer by K electrical to optical converter;
U control port links to each other with the corresponding ports of shared cache controller.
The present invention is based on for achieving the above object the communication means of the large-scale data center light interference networks of array waveguide grating, comprise the steps:
(1) the definition server address is: a, and b, c, d, the edge switch address is a, b, c, 0; The address of convergence switch is: a, and b, 0,0, wherein, a represents level number, b representative bunch number, c represents shelf number, d representative server number, 1≤a≤P, 1≤b≤K, 1≤c≤K+1,1≤d≤K-1, and a, b, c, d are integer, K is the number in one deck bunch, and the integer of K 〉=3;
(2) in every one deck, be v with the address, w, K+1,0 edge switch is v+1 as transmitting switch downwards with the address, w, w, 0 edge switch conduct is upwards transmitted switch, wherein, and 1≤v≤P-1,1≤w≤K, and v, w are integer;
(3) source server produces the light data message, and source address and destination address information are sent to edge switch with the form of optical label with the light data message, and optical label namely is modulated at the short message on the different wave length;
(4) edge switch extraction optical label carries out opto-electronic conversion, obtains source address and the destination address information of light data message, calculates the transmission wavelength of light data message process edge switch:
N
w＝(K+1+(D-S))mod(K+1)
In the formula, N
wBe the transmission wavelength of light data message, D is the destination interface of light data message, and S is the source port of light data message;
(5) according to position and the wavelength N of destination server
w, send respectively the light data message: if destination server is inner in this frame, the light data message is modulated to wavelength N
w, sending to destination server, communication is finished; If destination server is not inner in this frame, the light data message is modulated to wavelength N
w, send to up output port, carry out opto-electronic conversion;
(6) level number at edge switch inquiry destination server place, if destination server at this layer, execution in step (9); If destination server is on the upper strata of this edge switch, then the switch of upwards transmitting in this edge switch bunch is transmitted switch as interlayer, if destination server is in the lower floor of this edge switch, then the downward forwarding switch in this edge switch bunch is transmitted switch as interlayer; The electrical data signal breath is stored into respectively in two corresponding with interlayer forwarding switch in edge switch the second shared buffer memory module 2 formations;
(7) numbering according to formation is modulated to the electrical data signal breath on the corresponding wavelength, by two convergence switches, arrive interlayer and transmit the up input port of switch, after the opto-electronic conversion, with electrical data signal breath be stored in respectively interlayer transmit switch the first shared buffer memory module 1 with bunch between in corresponding K the formation of output port;
(8) number according to the difference of formation, electrical data signal is ceased the electric light conversion, with different wavelength, output port between arriving simultaneously bunch, arrive again target zone respective edges switch bunch between input port, after the opto-electronic conversion, the electrical data signal breath is stored into respectively in K the formation of edge switch the 3rd shared buffer memory module 3, again through the electric light conversion, arrive respectively front K output port of edge switch with different wavelength, wherein a front K-1 output port utilizes the function of filter wavelength-filtered, makes K output port of the final arrival of light data message, carries out opto-electronic conversion;
(9) judge destination server whether in this bunch, if destination server in this bunch, execution in step (12); If not in this bunch, find edge switch that this bunch interior framework number equals purpose bunch number as bunch between transmit switch, with the electrical data signal breath store into respectively in the second shared buffer memory module 2 with bunch between go in corresponding two formations of forwarding switch;
(10) electrical data signal is ceased the electric light conversion, the up input port place that transmits switch between arriving bunch by two convergence switches, with light data message opto-electronic conversion, transmit between storing into respectively bunch switch the first shared buffer memory module 1 with bunch between in corresponding K the formation of output port, through electric light conversion, with different wavelength, output port between arriving simultaneously bunch, arrive again purpose bunch respective edges switch bunch between the input port place, the light data message is carried out opto-electronic conversion;
(11) the electrical data signal breath is stored into respectively in K the formation of edge switch the 3rd shared buffer memory module 3, through the electric light conversion, arrive respectively front K output port of edge switch with different wavelength, wherein a front K-1 output port utilize filter with the data information transfer of required wavelength to K output port, carry out opto-electronic conversion;
(12) the electrical data signal breath is stored in respectively in two formations of corresponding purpose edge switch, after the electric light conversion, arrive the up input port of purpose edge switch by two convergence switches, through opto-electronic conversion, the numbering of electrical data signal breath according to destination server stored in the corresponding formation;
(13) the electrical data signal breath of different queue carried out the electric light conversion, send to respectively destination server, communication is finished.
The present invention compared with prior art has the following advantages:
1. the present invention proposes a kind of large-scale data center light interconnected network system based on array waveguide grating, the network system that has solved based on the MEMS optical switch reconfigures the long problem of light path time-delay, has realized data center's optical-fiber network of low delay;
2. the present invention takes full advantage of the wavelength division multiplexing characteristics of array waveguide grating, under the prerequisite that guarantees the network high bandwidth, has reduced the number of array waveguide grating in the network, has reduced the construction cost of network, and has reduced the complexity of wiring;
3. the present invention reasonably is distributed to different edge switch with the flow in the network, has overcome the shortcoming that present data center network flow converges at high level, has effectively realized flow equalization;
4. the present invention has overcome the high radix optical switch expansion hard problem that available data center light network centralized control is brought owing to adopted the distributed earth control strategy, guarantees that network has good autgmentability.
Description of drawings
Fig. 1 is the data center's optical interconnection network system schematic that the present invention is based on array waveguide grating;
Fig. 2 is optical interconnection network system of the data center single layer structure schematic diagram that the present invention is based on array waveguide grating;
Fig. 3 is the structural representation of edge switch of the present invention;
Fig. 4 is three shared buffer memory modular structure schematic diagrames of edge switch of the present invention;
Fig. 5 is the flow chart that the present invention is based on data center's optical interconnection network communication means of array waveguide grating.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
With reference to Fig. 1, the present invention is based on the optical interconnection network system of data center of array waveguide grating, comprise P layer network structure, the integer of P 〉=1, this example P gets 3, and every layer has K bunch, the integer of K 〉=3, this example K gets 3, as shown in Figure 2;
With reference to Fig. 2, every one deck comprises 3 bunches, and each bunch comprises: two convergence switches, 4 edge of table switches and 8 station servers;
Every edge of table switch comprises two pairs of up input/output ports, input/output port between a pair of bunch, two pairs of descending input/output ports; Every station server comprises a pair of input/output port, and every convergence switch consists of by an array waveguide grating, and it comprises 4 pairs of input/output ports;
Annexation in each bunch is: the corresponding connection of I/O mouth of the descending input/output port of two couple of each edge of table switch and two-server consists of 4 frames; 4 pairs of input/output ports of First convergence switch, be connected with the up input/output port of the first couple of 4 edge of table switches in 4 frames respectively, 4 pairs of input/output ports of second convergence switch are connected with the up input/output port of the second couple of 4 edge of table switches respectively;
Annexation between each bunch is: the second edge of table switch in first bunch and the 3rd edge of table switch respectively with the second bunch with three bunch in the First edge switch link to each other by input/output port between a pair of bunch, the 3rd edge of table switch in second bunch links to each other by input/output port between a pair of bunch with the second edge of table switch in three bunch;
The interlayer structure relation of P layer network is: the address of setting every stratum server is: a, and b, c, d, the edge switch address is a, b, c, 0, the address of convergence switch is: a, b, 0,0, wherein, a represents level number, b representative bunch number, and c represents shelf number, d representative server number, 1≤a≤P, 1≤b≤K, 1≤c≤K+1,1≤d≤K-1, and a, b, c, d are integer;
The address is v in every one deck, w, K+1, the address is v+1 in 0 edge switch and lower one deck, w, w, 0 edge switch by bunch between input/output port connect, form the cyberspace stereochemical structure, wherein, 1≤v≤P-1,1≤w≤K, and v, w are integer;
The network configuration of this example has three layers, wherein:
The address of two convergence switches of bunch 1 is (1,1,0,0) in the ground floor, and the address of 4 edge of table switches from left to right is respectively (1,1,1,0), (1,1,2,0), (1,1,3,0), (1,1,4,0), the address of 8 station servers from left to right is respectively (1,1,1,1), (1,1,1,2), (1,1,2,1), (1,1,2,2), (1,1,3,1), (1,1,3,2), (1, Isosorbide-5-Nitrae, 1), (1, Isosorbide-5-Nitrae, 2); The address of two convergence switches of bunches 2 is (1,2,0,0) in the ground floor, and the address of 4 edge of table switches from left to right is respectively (1,2,1,0), (1,2,2,0), (1,2,3,0), (1,2,4,0), the address of 8 station servers from left to right is respectively (1,2,1,1), (1,2,1,2), (1,2,2,1), (1,2,2,2), (1,2,3,1), (1,2,3,2), (1,2,4,1), (1,2,4,2); The address of two convergence switches of bunches 3 is (1,3,0,0) in the ground floor, and the address of 4 edge of table switches from left to right is respectively (1,3,1,0), (1,3,2,0), (1,3,3,0), (1,3,4,0), the address of 8 station servers from left to right is respectively (1,3,1,1), (1,3,1,2), (1,3,2,1), (1,3,2,2), (1,3,3,1), (1,3,3,2), (1,3,4,1), (1,3,4,2);
The address of two convergence switches of bunch 1 is (2,1,0,0) in the second layer, and the address of 4 edge of table switches from left to right is respectively (2,1,1,0), (2,1,2,0), (2,1,3,0), (2,1,4,0), the address of 8 station servers from left to right is respectively (2,1,1,1), (2,1,1,2), (2,1,2,1), (2,1,2,2), (2,1,3,1), (2,1,3,2), (2, Isosorbide-5-Nitrae, 1), (2, Isosorbide-5-Nitrae, 2); The address of two convergence switches of bunches 2 is (2,2,0,0) in the second layer, and the address of 4 edge of table switches from left to right is respectively (2,2,1,0), (2,2,2,0), (2,2,3,0), (2,2,4,0), the address of 8 station servers from left to right is respectively (2,2,1,1), (2,2,1,2), (2,2,2,1), (2,2,2,2), (2,2,3,1), (2,2,3,2), (2,2,4,1), (2,2,4,2); The address of two convergence switches of bunches 3 is (2,3,0,0) in the second layer, and the address of 4 edge of table switches from left to right is respectively (2,3,1,0), (2,3,2,0), (2,3,3,0), (2,3,4,0), the address of 8 station servers from left to right is respectively (2,3,1,1), (2,3,1,2), (2,3,2,1), (2,3,2,2), (2,3,3,1), (2,3,3,2), (2,3,4,1), (2,3,4,2);
The address of two convergence switches of bunch 1 is (3,1,0,0) in the 3rd layer, and the address of 4 edge of table switches from left to right is respectively (3,1,1,0), (3,1,2,0), (3,1,3,0), (3,1,4,0), the address of 8 station servers from left to right is respectively (3,1,1,1), (3,1,1,2), (3,1,2,1), (3,1,2,2), (3,1,3,1), (3,1,3,2), (3, Isosorbide-5-Nitrae, 1), (3, Isosorbide-5-Nitrae, 2); The address of two convergence switches of bunches 2 is (3,2,0,0) in the 3rd layer, and the address of 4 edge of table switches from left to right is respectively (3,2,1,0), (3,2,2,0), (3,2,3,0), (3,2,4,0), the address of 8 station servers from left to right is respectively (3,2,1,1), (3,2,1,2), (3,2,2,1), (3,2,2,2), (3,2,3,1), (3,2,3,2), (3,2,4,1), (3,2,4,2); The address of two convergence switches of bunches 3 is (3,3,0,0) in the 3rd layer, and the address of 4 edge of table switches from left to right is respectively (3,3,1,0), (3,3,2,0), (3,3,3,0), (3,3,4,0), the address of 8 station servers from left to right is respectively (3,3,1,1), (3,3,1,2), (3,3,2,1), (3,3,2,2), (3,3,3,1), (3,3,3,2), (3,3,4,1), (3,3,4,2).
During networking, be (1, Isosorbide-5-Nitrae, 0) with address in the ground floor, (1,2,4,0), the edge switch of (1,3,4,0) respectively with the second layer in the address be (2,1,1,0), (2,2,2,0), the edge switch of (2,3,3,0) connects by input/output port between its bunch; Be (2, Isosorbide-5-Nitrae, 0) with address in the second layer, (2,2,4,0), the edge switch of (2,3,4,0) respectively with the 3rd layer in the address be (3,1,1,0), (3,2,2,0), the edge switch of (3,3,3,0) connects by input/output port between its bunch, forms the cyberspace stereochemical structure.
With reference to Fig. 3, edge switch, comprise: an array waveguide grating, a controller, two optical label extractors, two optical delay lines, two wavelength shifters, the wavelength multiplexer of two 2:1, two filters and three shared buffer memory modules, these parts are except the shared buffer memory module, and other all are existing device or module.
Described array waveguide grating has 4 pairs of input/output ports, wherein:
The first two input port connected mode is identical, and each input port is connected with the wavelength multiplexer of a 2:1, wavelength shifter, optical delay line and an optical label extractor of successively, consists of two input ports of edge switch;
The first two output port connected mode is identical, and each output port connects a filter, consists of two output ports of edge switch;
The 3rd input port is connected with the first shared buffer memory module 1, and this first shared buffer memory module 1 has two input ports, 3 output ports and pair of control port; Two input ports consist of two up input ports of edge switch, the first two output port links to each other with two wavelength multiplexer respectively, the 3rd output port links to each other with the 3rd input port of array waveguide grating, and the pair of control port links to each other with described controller;
The 3rd output port is connected with the second shared buffer memory module 2, and this second shared buffer memory module 2 has 3 input ports, two output ports and pair of control port; Two output ports consist of two up output ports of edge switch, and the first two input port links to each other with two filters respectively, and the 3rd input port links to each other with the 3rd output port of array waveguide grating, and the pair of control port links to each other with controller;
The 4th input port links to each other with the 3rd shared buffer memory module 3, and the 3rd shared buffer memory module 3 has a pair of input/output port and pair of control port; Input port between one bunch of input port formation edge switch, the 4th input port of output port and array waveguide grating links to each other, and the pair of control port links to each other with controller;
Output port between one bunch of the 4th output port formation edge switch.
Described controller, 5 pairs of input/output ports are arranged, wherein, the first two input port links to each other with described two optical label extractors respectively, the first two output port links to each other with described two wavelength shifters respectively, rear three pairs of input/output ports link to each other with the 3rd shared buffer memory module 3 with described the first shared buffer memory module 1, the second shared buffer memory module 2 respectively.
With reference to Fig. 4, be three shared buffer memory modules of the present invention, respectively such as Fig. 4 (a), Fig. 4 (b), shown in Fig. 4 (c), wherein:
The first shared buffer memory module 1 shown in Fig. 4 (a) comprises: the wavelength demultiplexer of two 1:4,8 optical-electrical converters, a memory, 5 electricals to optical converter, the wavelength multiplexer of a 3:1, a shared buffer memory controller; Wherein: memory is provided with 8 input ports, 5 output ports and 8 control ports; Front 4 input ports link to each other with first wavelength demultiplexer by 4 optical-electrical converters; Rear 4 input ports link to each other with second wavelength demultiplexer by 4 optical-electrical converters; The first two output port links to each other with two electricals to optical converter; Rear 3 output ports link to each other with a wavelength multiplexer by 3 electricals to optical converter; 8 control ports link to each other with the corresponding ports of shared cache controller.
The second shared buffer memory module 2 shown in Fig. 4 (b) comprises: wavelength multiplexer and a shared buffer memory controller of the wavelength demultiplexer of a 1:3,5 optical-electrical converters, a memory, 8 electricals to optical converter, two 4:1; Wherein: memory is provided with 5 input ports, 8 output ports and 8 control ports; The first two input port links to each other with two optical-electrical converters; Rear 3 input ports link to each other with a wavelength demultiplexer by 3 optical-electrical converters; Front 4 output ports link to each other with first wavelength multiplexer by 4 electricals to optical converter; Rear 4 output ports link to each other with second wavelength multiplexer by 4 electricals to optical converter; 8 control ports link to each other with shared cache controller corresponding ports.
The 3rd shared buffer memory module 3 shown in Fig. 4 (c) comprises: the wavelength demultiplexer of a 1:3,3 optical-electrical converters, a memory, 3 electricals to optical converter, the wavelength multiplexer of a 3:1, a shared buffer memory controller; Wherein: memory is provided with 3 input ports, 3 output ports and 3 control ports; 3 input ports link to each other with a wavelength demultiplexer by 3 optical-electrical converters; 3 output ports link to each other with a wavelength multiplexer by 3 electricals to optical converter; 3 control ports link to each other with the corresponding ports of shared cache controller.
With reference to Fig. 5, the present invention is based on the communication means of the large-scale data center light interconnected network system of array waveguide grating, comprise the steps:
The network configuration of this example has three layers, wherein:
The address of two convergence switches of bunch 1 is (1,1,0,0) in the ground floor, and the address of 4 edge of table switches from left to right is respectively (1,1,1,0), (1,1,2,0), (1,1,3,0), (1,1,4,0), the address of 8 station servers from left to right is respectively (1,1,1,1), (1,1,1,2), (1,1,2,1), (1,1,2,2), (1,1,3,1), (1,1,3,2), (1, Isosorbide-5-Nitrae, 1), (1, Isosorbide-5-Nitrae, 2); The address of two convergence switches of bunches 2 is (1,2,0,0) in the ground floor, and the address of 4 edge of table switches from left to right is respectively (1,2,1,0), (1,2,2,0), (1,2,3,0), (1,2,4,0), the address of 8 station servers from left to right is respectively (1,2,1,1), (1,2,1,2), (1,2,2,1), (1,2,2,2), (1,2,3,1), (1,2,3,2), (1,2,4,1), (1,2,4,2); The address of two convergence switches of bunches 3 is (1,3,0,0) in the ground floor, and the address of 4 edge of table switches from left to right is respectively (1,3,1,0), (1,3,2,0), (1,3,3,0), (1,3,4,0), the address of 8 station servers from left to right is respectively (1,3,1,1), (1,3,1,2), (1,3,2,1), (1,3,2,2), (1,3,3,1), (1,3,3,2), (1,3,4,1), (1,3,4,2);
The address of two convergence switches of bunch 1 is (2,1,0,0) in the second layer, and the address of 4 edge of table switches from left to right is respectively (2,1,1,0), (2,1,2,0), (2,1,3,0), (2,1,4,0), the address of 8 station servers from left to right is respectively (2,1,1,1), (2,1,1,2), (2,1,2,1), (2,1,2,2), (2,1,3,1), (2,1,3,2), (2, Isosorbide-5-Nitrae, 1), (2, Isosorbide-5-Nitrae, 2); The address of two convergence switches of bunches 2 is (2,2,0,0) in the second layer, and the address of 4 edge of table switches from left to right is respectively (2,2,1,0), (2,2,2,0), (2,2,3,0), (2,2,4,0), the address of 8 station servers from left to right is respectively (2,2,1,1), (2,2,1,2), (2,2,2,1), (2,2,2,2), (2,2,3,1), (2,2,3,2), (2,2,4,1), (2,2,4,2); The address of two convergence switches of bunches 3 is (2,3,0,0) in the second layer, and the address of 4 edge of table switches from left to right is respectively (2,3,1,0), (2,3,2,0), (2,3,3,0), (2,3,4,0), the address of 8 station servers from left to right is respectively (2,3,1,1), (2,3,1,2), (2,3,2,1), (2,3,2,2), (2,3,3,1), (2,3,3,2), (2,3,4,1), (2,3,4,2);
The address of two convergence switches of bunch 1 is (3,1,0,0) in the 3rd layer, and the address of 4 edge of table switches from left to right is respectively (3,1,1,0), (3,1,2,0), (3,1,3,0), (3,1,4,0), the address of 8 station servers from left to right is respectively (3,1,1,1), (3,1,1,2), (3,1,2,1), (3,1,2,2), (3,1,3,1), (3,1,3,2), (3, Isosorbide-5-Nitrae, 1), (3, Isosorbide-5-Nitrae, 2); The address of two convergence switches of bunches 2 is (3,2,0,0) in the 3rd layer, and the address of 4 edge of table switches from left to right is respectively (3,2,1,0), (3,2,2,0), (3,2,3,0), (3,2,4,0), the address of 8 station servers from left to right is respectively (3,2,1,1), (3,2,1,2), (3,2,2,1), (3,2,2,2), (3,2,3,1), (3,2,3,2), (3,2,4,1), (3,2,4,2); The address of two convergence switches of bunches 3 is (3,3,0,0) in the 3rd layer, and the address of 4 edge of table switches from left to right is respectively (3,3,1,0), (3,3,2,0), (3,3,3,0), (3,3,4,0), the address of 8 station servers from left to right is respectively (3,3,1,1), (3,3,1,2), (3,3,2,1), (3,3,2,2), (3,3,3,1), (3,3,3,2), (3,3,4,1), (3,3,4,2).
Step 2 is v with the address in every one deck, w, and K+1,0 edge switch is v+1 as transmitting switch downwards with the address, w, w, 0 edge switch conduct is upwards transmitted switch, wherein, and 1≤v≤P-1,1≤w≤K, and v, w are integer;
In this example, for the ground floor of network, be (1, Isosorbide-5-Nitrae, 0) with the address, (1,2,4,0), (1,3,4,0) edge switch to the second layer, is (2,1 with the address as transmitting switch downwards, 1,0), (2,2,2,0), the edge switch of (2,3,3,0) is as upwards transmitting switch, be (2, Isosorbide-5-Nitrae, 0) with the address, (2,2,4,0), (2,3,4,0) edge switch to the 3rd layer, is (3,1 with the address as transmitting switch downwards, 1,0), (3,2,2,0), the edge switch of (3,3,3,0) is as upwards transmitting switch.
Step 3, source server produce the light data message, and with source address and destination address information with the form of optical label, be sent to edge switch with the light data message, optical label namely is modulated at the short message on the different wave length.
Step 4, edge switch are extracted optical label and are carried out opto-electronic conversion, obtain source address and the destination address information of light data message, calculate the transmission wavelength of light data message process edge switch:
N
w＝(4+(D-S))mod4，
In the formula, N
wBe the transmission wavelength of light data message, D is the destination interface of light data message, and S is the source port of light data message.
Step 5 is according to position and the wavelength N of destination server
w, send respectively the light data message: if destination server is inner in this frame, the light data message is modulated to wavelength N
w, sending to destination server, communication is finished; If destination server is not inner in this frame, the light data message is modulated to wavelength N
w, send to up output port, carry out opto-electronic conversion.
Step 6, the level number at edge switch inquiry destination server place, if destination server at this layer, execution in step 9; If destination server is on the upper strata of this edge switch, then the switch of upwards transmitting in this edge switch bunch is transmitted switch as interlayer, if destination server is in the lower floor of this edge switch, then the downward forwarding switch in this edge switch bunch is transmitted switch as interlayer; Storing respectively the electrical data signal breath into this edge switch second shared buffer memory module 2 transmits in two corresponding formations of switch with interlayer.
Step 7 is modulated to the electrical data signal breath on the corresponding wavelength according to the numbering of formation, by two convergence switches, arrives the up input port that interlayer is transmitted switch; After the opto-electronic conversion, with electrical data signal breath be stored in respectively interlayer transmit switch the first shared buffer memory module 1 with bunch between in corresponding 3 formations of output port.
Step 8, difference numbering according to formation, electrical data signal is ceased the electric light conversion, with different wavelength, output port between arriving simultaneously bunch, arrive again target zone respective edges switch bunch between input port, after the opto-electronic conversion, the electrical data signal breath is stored into respectively in 3 formations of edge switch the 3rd shared buffer memory module 3, through the electric light conversion, arrive respectively front 3 output ports of edge switch with different wavelength again, wherein front 2 output ports utilize the function of filter wavelength-filtered, make the 3rd output port of the final arrival of light data message, carry out opto-electronic conversion.
Step 9 is judged destination server whether in this bunch, if destination server in this bunch, execution in step 12; If not in this bunch, find edge switch that this bunch interior framework number equals purpose bunch number as bunch between transmit switch, with the electrical data signal breath store into respectively the second shared buffer memory module 2 with bunch between in corresponding two formations of forwarding switch.
Step 10, electrical data signal is ceased the electric light conversion, the up input port place that transmits switch between arriving bunch by two convergence switches, with light data message opto-electronic conversion, the first shared buffer memory module 1 of transmitting switch between storing into respectively bunch with bunch between in corresponding 3 formations of output port, change through electric light, with different wavelength, output port between arriving simultaneously bunch, arrive again purpose bunch respective edges switch bunch between the input port place, the light data message is carried out opto-electronic conversion.
Step 11, the electrical data signal breath is on average stored in 3 formations of edge switch the 3rd shared buffer memory module 3, through the electric light conversion, arrive respectively front 3 output ports of edge switch with different wavelength, wherein front 2 output ports utilize filter with 3 output ports of data information transfer to the of required wavelength, carry out opto-electronic conversion.
Step 12, the electrical data signal breath is stored in two formations of corresponding purpose edge switch, after the electric light conversion, arrive the up input port of purpose edge switch by two convergence switches, through opto-electronic conversion, the numbering of electrical data signal breath according to destination server stored in the corresponding formation.
Step 13 is carried out the electric light conversion to the electrical data signal of different queue breath, sends to respectively destination server, and communication is finished.
Claims (7)
1. the large-scale data center light interconnected network system based on array waveguide grating comprises P layer network structure, and every layer has K bunch, the integer of P 〉=1, and the integer of K 〉=3 is characterized in that:
Each bunch comprises:
With two convergence switches that 2 array waveguide gratings consist of, every convergence switch comprises that K+1 is to input/output port;
With K+1 edge of table switch and (K+1) * (K-1) K+1 frame consisting of of station server, every edge of table switch comprises two pairs of up input/output ports, input/output port between a pair of bunch, and K-1 is to descending input/output port; Every station server comprises a pair of input/output port;
Annexation in each bunch is:
The K+1 of First convergence switch is to input/output port, be connected with the up input/output port of the first couple of K+1 edge of table switch in K+1 the frame respectively, the K+1 of second convergence switch is connected with the up input/output port of the second couple of K+1 edge of table switch input/output port; Each frame by the K-1 of an edge of table switch to I/O mouth corresponding connect and compose of descending input/output port with the K-1 station server;
Annexation between K bunch is:
H edge of table switch in first bunch links to each other with First edge switch in h bunch by input/output port between a pair of bunch, in like manner, n edge of table switch in m bunch links to each other with m edge of table switch in n bunch by input/output port between a pair of bunch, wherein, and 2≤h≤K, 1≤m≤K, 1≤n≤K, m ≠ n, and h, m, n are integer;
Between each layer by K edge of table switch bunch between input/output port link to each other.
2. according to the described optical interconnection network of right 1 system, it is characterized in that, between described each layer by K edge of table switch bunch between input/output port link to each other, its annexation is:
The address of setting every stratum server is: a, and b, c, d, the edge switch address is a, b, c, 0, the address of convergence switch is: a, b, 0,0, wherein, a represents level number, b representative bunch number, and c represents shelf number, d representative server number, 1≤a≤P, 1≤b≤K, 1≤c≤K+1,1≤d≤K-1, and a, b, c, d are integer;
The address is v in every one deck, w, K+1, the address is v+1 in 0 edge switch and lower one deck, w, w, 0 edge switch by bunch between input/output port connect, form the cyberspace stereochemical structure, wherein, 1≤v≤P-1,1≤w≤K, and v, w are integer.
3. according to the described optical interconnection network of right 1 system, it is characterized in that, edge switch, comprise: wavelength multiplexer, a K-1 filter and three shared buffer memory modules (1 of array waveguide grating, controller, a K-1 optical label extractor, a K-1 optical delay line, a K-1 wavelength shifter, a K-1 2:1,2,3), K is the number in one deck bunch, and the integer of K 〉=3;
Described array waveguide grating is provided with K+1 to input/output port, wherein:
Front K-1 input port connected mode is identical, and each input port is connected with the wavelength multiplexer of a 2:1, wavelength shifter, optical delay line and an optical label extractor of successively, consists of K-1 input port of edge switch;
Front K-1 output port connected mode is identical, and each output port connects a filter, consists of K-1 output port of edge switch;
K input port is connected with the first shared buffer memory module (1), and this first shared buffer memory module (1) is provided with two input ports, K output port and pair of control port; Two input ports consist of two up input ports of edge switch, a front K-1 output port links to each other with K-1 wavelength multiplexer respectively, K input port of K output port and array waveguide grating links to each other, and the pair of control port links to each other with described controller;
K output port is connected with the second shared buffer memory module (2), and this second shared buffer memory module (2) is provided with K input port, two output ports and pair of control port; Two output ports consist of two up output ports of edge switch, and a front K-1 input port links to each other with K-1 filter respectively, and K output port of K input port and array waveguide grating links to each other, and the pair of control port links to each other with controller;
K+1 input port links to each other with the 3rd shared buffer memory module (3), and the 3rd shared buffer memory module (3) is provided with a pair of input/output port and pair of control port; Input port between one bunch of input port formation edge switch, K+1 input port of output port and array waveguide grating links to each other, and the pair of control port links to each other with controller;
Output port between one bunch of K+1 output port formation edge switch;
Described controller, be provided with K+2 to input/output port, wherein, a front K-1 input port links to each other with described K-1 optical label extractor respectively, a front K-1 output port links to each other with a described K-1 wavelength shifter respectively, rear three pairs of input/output ports respectively with described the first shared buffer memory module (1), the second shared buffer memory module (2) links to each other with the 3rd shared buffer memory module (3).
4. according to the described optical interconnection network of right 3 system, wherein said the first shared buffer memory module (1) comprising: wavelength demultiplexer two 1:(K+1), 2 * (K+1) individual optical-electrical converters, a memory, 2K-1 electrical to optical converter, the wavelength multiplexer of a K:1, a shared buffer memory controller, K is the number in one deck bunch, and the integer of K 〉=3;
Described memory is provided with 2 * (K+1) individual input ports, 2K-1 output port and u control port, u〉0 integer, wherein:
A front K+1 input port links to each other with first wavelength demultiplexer by K+1 optical-electrical converter;
A rear K+1 input port links to each other with second wavelength demultiplexer by 2 * (K+1)-(K+1) individual optical-electrical converters;
A front K-1 output port links to each other with K-1 electrical to optical converter;
A rear K output port links to each other with a wavelength multiplexer by K electrical to optical converter;
U control port links to each other with the corresponding ports of shared cache controller.
5. according to the described optical interconnection network of right 3 system, wherein said the second shared buffer memory module (2), comprise: the wavelength demultiplexer of a 1:K, a 2K-1 optical-electrical converter, memory, 2 * (K+1) individual electricals to optical converter, two (K+1): 1 wavelength multiplexer and a shared buffer memory controller, K is the number in one deck bunch, and the integer of K 〉=3;
Described memory is provided with 2K-1 input port, 2 * (K+1) individual output ports and u control port, and u is the integer greater than 0, wherein:
A front K-1 input port links to each other with K-1 optical-electrical converter;
A rear K input port links to each other with a wavelength demultiplexer by K optical-electrical converter;
A front K+1 output port links to each other with first wavelength multiplexer by K+1 electrical to optical converter;
A rear K+1 output port links to each other with second wavelength multiplexer by 2 * (K+1)-(K+1) individual electricals to optical converter;
U control port links to each other with the corresponding ports of shared cache controller.
6. according to the described optical interconnection network of right 3 system, wherein said the 3rd shared buffer memory module (3) comprising: the wavelength demultiplexer of a 1:K, K optical-electrical converter, a memory, K electrical to optical converter, the wavelength multiplexer of a K:1, a shared buffer memory controller, K is the number in one deck bunch, and the integer of K 〉=3;
Described memory is provided with K input port, K output port and u control port, u〉0 integer, wherein:
K input port links to each other with a wavelength demultiplexer by K optical-electrical converter;
K output port links to each other with a wavelength multiplexer by K electrical to optical converter;
U control port links to each other with the corresponding ports of shared cache controller.
7. the communication means based on the large-scale data center light interference networks of array waveguide grating comprises the steps:
(1) the definition server address is: a, and b, c, d, the edge switch address is a, b, c, 0; The address of convergence switch is: a, and b, 0,0, wherein, a represents level number, b representative bunch number, c represents shelf number, d representative server number, 1≤a≤P, 1≤b≤K, 1≤c≤K+1,1≤d≤K-1, and a, b, c, d are integer, K is the number in one deck bunch, and the integer of K 〉=3;
(2) in every one deck, be v with the address, w, K+1,0 edge switch is v+1 as transmitting switch downwards with the address, w, w, 0 edge switch conduct is upwards transmitted switch, wherein, and 1≤v≤P-1,1≤w≤K, and v, w are integer;
(3) source server produces the light data message, and source address and destination address information are sent to edge switch with the form of optical label with the light data message, and optical label namely is modulated at the short message on the different wave length;
(4) edge switch extraction optical label carries out opto-electronic conversion, obtains source address and the destination address information of light data message, calculates the transmission wavelength of light data message process edge switch:
N
w＝(K+1+(D-S))mod(K+1)，
In the formula, N
wBe the transmission wavelength of light data message, D is the destination interface of light data message, and S is the source port of light data message;
(5) according to position and the wavelength N of destination server
w, send respectively the light data message: if destination server is inner in this frame, the light data message is modulated to wavelength N
w, sending to destination server, communication is finished; If destination server is not inner in this frame, the light data message is modulated to wavelength N
w, send to up output port, carry out opto-electronic conversion;
(6) level number at edge switch inquiry destination server place, if destination server at this layer, execution in step (9); If destination server is on the upper strata of this edge switch, then the switch of upwards transmitting in this edge switch bunch is transmitted switch as interlayer, if destination server is in the lower floor of this edge switch, then the downward forwarding switch in this edge switch bunch is transmitted switch as interlayer; The electrical data signal breath is stored into respectively in two corresponding with interlayer forwarding switch in edge switch the second shared buffer memory module (2) formations;
(7) numbering according to formation is modulated to the electrical data signal breath on the corresponding wavelength, by two convergence switches, arrive interlayer and transmit the up input port of switch, after the opto-electronic conversion, electrical data signal breath is stored in respectively interlayer transmits in switch the first shared buffer memory module (1) between corresponding bunch in K the formation of output port;
(8) number according to the difference of formation, electrical data signal is ceased the electric light conversion, with different wavelength, output port between arriving simultaneously bunch, arrive again target zone respective edges switch bunch between input port, after the opto-electronic conversion, the electrical data signal breath is stored into respectively in K the formation of edge switch the 3rd shared buffer memory module (3), again through the electric light conversion, arrive respectively front K output port of edge switch with different wavelength, wherein a front K-1 output port utilizes the function of filter wavelength-filtered, makes K output port of the final arrival of light data message, carries out opto-electronic conversion;
(9) judge destination server whether in this bunch, if destination server in this bunch, execution in step (12); If not in this bunch, find edge switch that this bunch interior framework number equals purpose bunch number as bunch between transmit switch, with the electrical data signal breath store into respectively in the second shared buffer memory module (2) with bunch between go in corresponding two formations of forwarding switch;
(10) electrical data signal is ceased the electric light conversion, the up input port place that transmits switch between arriving bunch by two convergence switches, with light data message opto-electronic conversion, transmit between storing into respectively bunch in switch the first shared buffer memory module (1) between corresponding bunch in K the formation of output port, through electric light conversion, with different wavelength, output port between arriving simultaneously bunch, arrive again purpose bunch respective edges switch bunch between the input port place, the light data message is carried out opto-electronic conversion;
(11) the electrical data signal breath is stored into respectively in K the formation of edge switch the 3rd shared buffer memory module (3), through the electric light conversion, arrive respectively front K output port of edge switch with different wavelength, wherein a front K-1 output port utilize filter with the data information transfer of required wavelength to K output port, carry out opto-electronic conversion;
(12) the electrical data signal breath is stored in respectively in two formations of corresponding purpose edge switch, after the electric light conversion, arrive the up input port of purpose edge switch by two convergence switches, through opto-electronic conversion, the numbering of electrical data signal breath according to destination server stored in the corresponding formation;
(13) the electrical data signal breath of different queue carried out the electric light conversion, send to respectively destination server, communication is finished.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009941A (en) * | 2014-05-16 | 2014-08-27 | 江苏鼎云信息科技有限公司 | Data center rack internal network structure based on arrayed waveguide grating |
| CN104244118A (en) * | 2014-08-20 | 2014-12-24 | 上海交通大学 | Modularization interconnecting network, establishing method and application based on arrayed waveguide gratings |
| WO2015158127A1 (en) * | 2014-04-16 | 2015-10-22 | 华为技术有限公司 | Optical transmission system and transmission method, optical switching device and control method |
| CN105743580A (en) * | 2016-02-16 | 2016-07-06 | 江苏鼎云信息科技有限公司 | Data center internal network interconnection structure based on multiple arrayed waveguide gratings |
| CN105792032A (en) * | 2016-04-18 | 2016-07-20 | 浙江大学 | All-optical buffer based on arrayed-waveguide grating router |
| CN106209294A (en) * | 2016-07-01 | 2016-12-07 | 西安电子科技大学 | The full light interconnection network system of data center of a kind of high extension and communication means |
| CN106789750A (en) * | 2017-01-19 | 2017-05-31 | 西安电子科技大学 | A kind of high-performance calculation interconnected network system and communication means |
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| CN108718214A (en) * | 2018-06-14 | 2018-10-30 | 华南师范大学 | Data center's optical interconnected structure and communication means based on mesh topology structure |
| CN109891908A (en) * | 2016-11-29 | 2019-06-14 | 英特尔公司 | Technology for the interconnection of millimeter wave rack |
| US10498450B2 (en) | 2014-11-26 | 2019-12-03 | University Of Leeds | Passive optical-based data center networks |
| CN110582032A (en) * | 2018-06-11 | 2019-12-17 | 台达电子工业股份有限公司 | intelligent definition optical tunnel network system and network system control method |
| CN110809202A (en) * | 2019-10-09 | 2020-02-18 | 东南大学 | Passive optical distribution node and electro-optical hybrid double-layer access network |
| US11200104B2 (en) | 2016-11-29 | 2021-12-14 | Intel Corporation | Technolgies for millimeter wave rack interconnects |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1625091A (en) * | 2003-12-05 | 2005-06-08 | 华为技术有限公司 | Device, system and method for raising availability of photo-communication wavelength |
| US20050271054A1 (en) * | 2004-06-03 | 2005-12-08 | Min-Chang Kang | Asynchronous switch based on butterfly fat-tree for network on chip application |
| US20060153496A1 (en) * | 2003-02-13 | 2006-07-13 | Nippon Telegraph And Telephone Corp. | Optical communication network system |
| CN101110652A (en) * | 2006-07-18 | 2008-01-23 | 中兴通讯股份有限公司 | Apparatus and method for supporting automatic optical fiber connecting configuration of optical transmission equipment |
| CN101621719A (en) * | 2009-07-29 | 2010-01-06 | 电子科技大学 | Switch processor matched with core node of hybrid optical switching network |
| CN101917333A (en) * | 2010-07-06 | 2010-12-15 | 西安电子科技大学 | Region-based photoelectric double-layer network-on-a-chip and routing method |
| CN102202005A (en) * | 2011-07-12 | 2011-09-28 | 西安电子科技大学 | Reconfigurable network on mating plate and configuration method |
-
2012
- 2012-09-10 CN CN201210333133.1A patent/CN102882811B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060153496A1 (en) * | 2003-02-13 | 2006-07-13 | Nippon Telegraph And Telephone Corp. | Optical communication network system |
| CN1625091A (en) * | 2003-12-05 | 2005-06-08 | 华为技术有限公司 | Device, system and method for raising availability of photo-communication wavelength |
| US20050271054A1 (en) * | 2004-06-03 | 2005-12-08 | Min-Chang Kang | Asynchronous switch based on butterfly fat-tree for network on chip application |
| CN101110652A (en) * | 2006-07-18 | 2008-01-23 | 中兴通讯股份有限公司 | Apparatus and method for supporting automatic optical fiber connecting configuration of optical transmission equipment |
| CN101621719A (en) * | 2009-07-29 | 2010-01-06 | 电子科技大学 | Switch processor matched with core node of hybrid optical switching network |
| CN101917333A (en) * | 2010-07-06 | 2010-12-15 | 西安电子科技大学 | Region-based photoelectric double-layer network-on-a-chip and routing method |
| CN102202005A (en) * | 2011-07-12 | 2011-09-28 | 西安电子科技大学 | Reconfigurable network on mating plate and configuration method |
Non-Patent Citations (2)
| Title |
|---|
| 余哓杉等: "《Performance evaluation for a hybrid switching strategy in data center》", 《OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN 2011), 10TH INTERNATIONAL CONFERENCE ON 》, 7 December 2011 (2011-12-07) * |
| 顾华玺等: "《多核之间光互连技术的研究》", 《中国集成电路》, no. 2, 28 February 2010 (2010-02-28) * |
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