CN101841447A - Bus bandwidth adaptive device and method - Google Patents
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Abstract
The invention discloses a bus bandwidth adaptive device and a bus bandwidth adaptive method. The device comprises a data bus, 2N input/output transfer switches, and 2N pairs of input/output ports, wherein the data bus is provided with N channels used for transmitting data; the 2N input/output transfer switches are connected with both ends of each channel respectively and used for switching the channel between a data sending channel and a data receiving channel; and the 2N pairs of input/output ports are connected with the transfer switch respectively and used for transmitting the data to be transmitted to the data sending channel and/or the data receiving channel through the transfer switches. The device improves utilization efficiency of buses.
Description
Technical field
The present invention particularly about a kind of bus transfer technology, is a kind of bus bandwidth adaptive device and method about the communications field concretely.
Background technology
Bussing technique is in continuous development, and from the passage of the data occupancy of bus transfer, bus can be divided into two classes: the first kind, and the reception of data and send the bus of using same channels is as IIC, RS485, traditional PCI bus etc.; Second class, the reception of data and the bus that sends the different passages of use are as SPI, PCIExpress bus etc.In the prior art, most bus, particularly high-speed bus, all adopt the above-mentioned second class bus, because adopt independently Data Receiving passage when receiving data, also adopt independently data sendaisle when sending data, can realize the full-duplex communication effect of bus.
As shown in Figure 1, be reception data and the business data transmission system that sends the different passages of The data.Wherein, be connected by bus 103 between business module 101 and the business module 102.Bus 103 has four passages, and the output port O1 of business module 101 is connected with I2 ' with the input port I1 ' of business module 102 with passage 2 by the passage 1 of bus 103 respectively with O2; The input port I1 of business module 101 is connected with O2 ' with the output port O1 ' of business module 102 with passage 4 by the passage 3 of bus 103 respectively with I2.
In Fig. 1, when business module 101 when business module 102 sends data, passage 1 and passage 2 are fixing data transmission channel; When business module 101 received the data that business modules 102 send, passage 3 and passage 4 were fixing data transmission channel.
The inventor finds in finishing process of the present invention, the fixed data sendaisle shown in Figure 1 and the bus transfer scheme of Data Receiving passage have following drawback, that is: no matter there is great business datum amount to send to business module 102 from business module 101, all can only adopt fixing passage 1 and passage 2 to carry out transfer of data, and can not use the passage 3 and the passage 4 that have been fixed to the Data Receiving passage to carry out the data transmission, although passage 3 and passage 4 may be idle.The waste that this just causes the bandwidth resources of passage 3 and passage 4 causes data transmission efficiency low.
Summary of the invention
The embodiment of the invention provides a kind of bandwidth adaptation device and method, provides a kind of dynamic bus bandwidth to improve the utilization ratio of bus.
One of purpose of the present invention is to provide a kind of bus bandwidth adaptive device, and this device comprises: data/address bus has N passage that is used to transmit data; 2N I/O diverter switch is connected with the two ends of passage respectively, is used for passage is switched between data sendaisle and Data Receiving passage; 2N is connected with diverter switch respectively to input/output end port, is used for by diverter switch transfer of data waiting for transmission to data sendaisle and/or Data Receiving passage.
One of purpose of the present invention is to provide a kind of bus bandwidth adaptation method, and this method comprises: the two ends of N data transmission channel of data/address bus are connected a diverter switch respectively; Each diverter switch is connected with the input/output end port of a pair of data to be transmitted; Conducting/the off-state of diverter switch is set, passage is switched between data sendaisle and Data Receiving passage; Data to be transmitted is transferred to data sendaisle and/or Data Receiving passage by diverter switch.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the physical bus annexation schematic diagram of a reception/sending direction bandwidth symmetry;
Fig. 2 is a bus bandwidth adaptive device structure chart of the present invention;
Fig. 3 is the structure chart of one embodiment of the invention bus bandwidth adaptive device;
Fig. 4 is the structure chart of one embodiment of the invention bus bandwidth adaptive device;
Fig. 5 is a bus bandwidth adaptation method flow chart of the present invention;
Fig. 6 is for adopting the schematic diagram of bus bandwidth adaptive device operation system of the present invention;
Fig. 7 is for adopting the schematic diagram of another embodiment of bus bandwidth adaptive device operation system of the present invention;
Fig. 8 is a kind of implementation of bus bandwidth adaptive device of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Bus bandwidth adaptive device of the present invention comprises: data/address bus, have N passage 301 that is used to transmit data, 2N I/O diverter switch 31 and 2N are to I/O diverter switch 32, I/O diverter switch 31 is connected with the two ends of passage respectively, is used for passage is switched between data sendaisle and Data Receiving passage; 2N is connected with I/O diverter switch 32 respectively to input/output end port, is used for by diverter switch 32 transfer of data waiting for transmission to data sendaisle and/or Data Receiving passage, and above-mentioned N is a positive integer.
Embodiment one
As shown in Figure 2, be the structure chart of bus bandwidth adaptive device of the present invention.In device shown in Figure 2, data/address bus 20, have 4 passages that are used to transmit data, that is: passage 1, passage 2, passage 3, passage 4, every the passage two ends connect diverter switch respectively, passage 1 two ends connect diverter switch 311,312 respectively, the two ends of passage 2 connect diverter switch 321,322, the two ends of passage 3 connect diverter switch 331,332, the two ends of passage 4 connect diverter switch 341,342, and the diverter switch by each above-mentioned passage makes data channel switch at data sendaisle and Data Receiving interchannel; Each diverter switch is connected with input/output end port respectively, by diverter switch data to be transmitted is transferred to data sendaisle and/or Data Receiving passage.
Need when sending to business module 22, business module 21, three passages of bus 20 can be used for sending to business module 22 transmission data as a large amount of business datums from business module 21 by bus bandwidth adaptive device of the present invention.Be connected with the O1 ' port of business module 21 as the diverter switch 311 with passage 1, the diverter switch 312 with passage 1 is connected with the I1 port of business module 22 simultaneously; The diverter switch 321 of passage 2 is connected with the O2 ' port of business module 21, and the diverter switch 322 with passage 1 is connected with the I2 port of business module 22 simultaneously; The diverter switch 331 of passage 3 is connected with the O3 ' port of business module 21, and the diverter switch 332 with passage 3 is connected with the I3 port of business module 22 simultaneously, can realize the data sendaisle of passage 1,2,3 as business module 21.When business module 21 need be when business module 22 reads mass data, also can select passage 1,2,3,4 all as the Data Receiving passage of business module 21, the diverter switch 311 that is about to passage 1 is connected with the I1 ' port of business module 21, and the diverter switch 312 with passage 1 is connected with the O1 port of business module 22 simultaneously; The diverter switch 321 of passage 2 is connected with the I2 ' port of business module 21, and the diverter switch 322 with passage 2 is connected with the O2 port of business module 22 simultaneously; The diverter switch 331 of passage 3 is connected with the I3 ' port of business module 21, and the diverter switch 332 with passage 3 is connected with the O3 port of business module 22 simultaneously; The diverter switch 341 of passage 4 is connected with the I4 ' port of business module 21, diverter switch 342 with passage 4 is connected with the O4 port of business module 22 simultaneously, can realize the data read of business module 21 by above-mentioned connection from business module 22, this shows, by bus bandwidth adaptive device of the present invention, the side signal transmission that has changed passage to, made full use of the bandwidth resources of each passage, improved data transmission efficiency.
In the annexation schematic diagram of the physical bus of transmit-receive position bandwidth symmetry shown in Figure 2 and data-interface, transceive data adopts independently physical channel and transmit-receive position bandwidth to be symmetry in the bus, if the bandwidth that every physical bus can bear is BW, then in configuration shown in Figure 2, the bandwidth that receives and send is 2xBW.When the big and sending direction data traffic of receive direction data volume in the system was very little, this bi-directional symmetrical bandwidth had caused the waste of resource under the asymmetric flow.
And by the present invention's bandwidth adaptation device shown in Figure 3, data channel is switched at data sendaisle and Data Receiving interchannel, can be achieved as follows five kinds of different band width configuration results:
1, receiving bandwidth is 4x BW, and sending bandwidth is 0x BW;
2, receiving bandwidth is 3x BW, and sending bandwidth is 1x BW;
3, receiving bandwidth is 2x BW, and sending bandwidth is 2x BW;
4, receiving bandwidth is 1x BW, and sending bandwidth is 3x BW;
5, receiving bandwidth is 0x BW, and sending bandwidth is 4x BW.
Adopt in the embodiment shown in fig. 3 and be changeable channel, in the practical application, can use part changeable channel and partial fixing passage, be bus direction switch unit can adopt the mode that dynamically arranges change on the physical circuit side signal transmission to, also can adopt the static mode that is provided with change side signal transmission to, as shown in Figure 4, passage 1 directly is connected with the data Dispatching Unit, passage 1 is set to the fixing data transmission channel of direction, by changing other three-aisled closure, the band width configuration that can be achieved as follows:
1, receiving bandwidth is 3x BW, and sending bandwidth is 1x BW;
2, receiving bandwidth is 2x BW, and sending bandwidth is 2x BW;
3, receiving bandwidth is 1x BW, and sending bandwidth is 3x BW;
4, receiving bandwidth is 0x BW, and sending bandwidth is 4x BW.
Embodiment two
Below in conjunction with actual conditions, bus bandwidth adaptive device of the present invention is described in further details.
As shown in Figure 3, in the present embodiment, external data interface is used for receiving and sending bus bandwidth adaptive device data waiting for transmission, promptly realize carrying out transfer of data with business module by this interface, the bus bandwidth adaptive device 40 of present embodiment comprises: data Dispatching Unit 403, bus direction switch unit 402 and diverter switch control unit 401.Bus direction switch unit 402 comprises: diverter switch 4021,4022,4023,4024.Diverter switch 4021 is connected with output port O1, realizes being about to passage 1 and being switched to the data output channel by the data output of data Dispatching Unit 403 to passage 1; I/O diverter switch 4022 is connected with output port O2, realizes being about to passage 2 and being switched to the data output channel by the data output of data Dispatching Unit 402 to passage 2; I/O diverter switch 4023 is connected with output port O3, realizes being about to passage 3 and being switched to the data output channel by the data output of data Dispatching Unit 403 to passage 3; I/O diverter switch 4024 is connected with output port O4, realizes being about to passage 4 and being switched to the data output channel by the data output of data Dispatching Unit 403 to passage 4.Promptly can realize the data output of external data interface thus to each passage of physical bus.
In the present embodiment, data Dispatching Unit 403 is used for according to the distribution conditions that sets in advance data waiting for transmission being distributed to output port.Distribution conditions comprises: the distribution conditions that data to be sent is sent based on the passage load information, as judging based on FIFO, be that Dispatching Unit is judged the data payload in each passage buffer storage, the data to be transmitted that receives is distributed to the less passage of load capacity, also can judge the transmission rate of each passage, as calculate each passage data quantity transmitted each second, the data to be transmitted that receives is distributed to the less passage of load capacity; Or based on polling mode to the distribution conditions that data to be sent send, the packet that is about to receive according to the mode of poll one by one passage send; Or, promptly select corresponding port according to the port address that comprises in the data waiting for transmission based on the distribution conditions that output port address sends data to be sent, data are sent in the transmission channel.The above data ways of distribution only is the part way of realization, and other any those skilled in the art all should be included in the invention which is intended to be protected not carrying out the implementation that any creative work obtained.
Also comprise aggregation of data unit 404 at bus bandwidth adaptive device shown in Figure 3, be used for the data of each physical connection on the bus are carried out comprehensively, receive the data that each input port receives, be the reverse use of data Dispatching Unit 403, be that I/O diverter switch 4021 is connected with input port I1, realize the Data Receiving of passage 1, be about to passage 1 and switch to the data input channel by the data output channel to aggregation of data unit 404; I/O diverter switch 4022 is connected with input port I2, realizes the Data Receiving of passage 2 to aggregation of data unit 404, is about to passage 2 and switches to the data input channel by the data output channel; I/O diverter switch 4023 is connected with input port I3, realizes the Data Receiving of passage 3 to aggregation of data unit 404, is about to passage 3 and switches to the data input channel by the data output channel; I/O diverter switch 4024 is connected with input port I4, realizes the Data Receiving of passage 4 to aggregation of data unit 404, is about to passage 4 and switches to the data input channel by the data output channel; Can be in the practical application according to system operation situation or user's request, by each diverter switch state of data channel is set, as passage 1,2,3 is set to the data output channel, passage 4 is set to the data input channel, or other combination in any, promptly the working method of the working method of aggregation of data unit and data Dispatching Unit does not need symmetry.
In the present embodiment, diverter switch control unit 401 is used to receive the switching control instruction that the outside is transmitted, and according to switching control instruction generation control information the conducting/off-state of I/O diverter switch 4021 is controlled.
Adopt adaptive autocontrol method that diverter switch 4021 is controlled as diverter switch control unit 401:
1, in Dispatching Unit 403, carry out traffic statistics to sent data, know flow to be sent, pass to diverter switch control unit 401;
2, know the other side's flow to be sent of this moment from the transmitting element of bus opposite end, pass to diverter switch control unit 401;
3, the flow to be sent of 401 pairs of this locality of diverter switch control unit and opposite end is judged, sends bus width and receives bus width thereby determine.
As this locality, current bus state is 2x BW for sending bandwidth, and receiving bandwidth is 2x BW, through judging that it is more reasonable to be revised as 3x BW and 1x BW, then can carry out according to following steps
A) the notice far-end requires that far-end is sent bandwidth and changes 1x BW into, and far-end is adjusted then, the Dispatching Unit of far-end with data map on a path, with the unnecessary path free time;
B) after this locality detects idle channel, notification data Dispatching Unit 403, the transmission bandwidth that changes data is 3x BW;
C) finish the process (do not need notification data comprehensive unit 404 here, aggregation of data unit 404 can think that the bus that does not connect is an idle bus) that bandwidth is adjusted; Device interior can provide the FIFO of enough sizes, guarantees that the adjustment process of bandwidth is transparent to communication.
Data to be transmitted is being transferred to from external data interface the total line process of external physical, by diverter switch 4021 in the diverter switch control unit 401 control bus direction switch units 402, thereby each passage is switched to data sendaisle or Data Receiving passage, be about to passage and between data sendaisle and Data Receiving passage, switch.By bus bandwidth adaptive device of the present invention, the side signal transmission that switches each passage of external physical bus to, thereby the side signal transmission that changes physical bus to.
Present embodiment adopts switch control unit that bus direction switch unit is controlled, also can be according to actual conditions or user's manual switchover as required, and other any mode that can realize all should be included in the content that claim of the present invention comprises.
By the above-mentioned embodiment of the invention, make bus when carrying out transfer of data, transmission direction and bandwidth are variable, and flexible configuration has improved the bus utilization ratio according to actual needs.
Embodiment three
The invention also discloses a kind of bus bandwidth adaptation method, as shown in Figure 5, be the flow chart of bus bandwidth adaptation method of the present invention.Concrete steps comprise: step S101 connects a diverter switch respectively with the two ends of N data transmission channel of data/address bus; Step S102 is connected each described diverter switch with the input/output end port of a pair of data to be transmitted; Step S103 is provided with the conducting/off-state of described diverter switch, and described passage is switched between data sendaisle and Data Receiving passage; Step S104 is transferred to data sendaisle and/or Data Receiving passage with described data to be transmitted by described diverter switch.
The present invention will be further described to adopt the operation system of the method for the invention with one below.As shown in Figure 6, the described system of this embodiment comprises Switching Module, business module 1 and business module 2, and above-mentioned each module all has bus bandwidth adaptive device of the present invention.Backboard distributes is used for Switching Module and the interconnected bus of business module has 2 covers, and every cover bus comprises 2 groups of connections.Every group connects all symmetries, can carry and receive or send the 10G data.
When carrying out business module 1 to the storage operation of business module 2, by bus bandwidth adaptive device of the present invention, 3 groups of physical connections can be used for data quantity stored, reach storage 30G flow, reverse 10G flow, be about to connect three output ports of business module 1 by diverter switch, and the pairing three-aisled other end of these three output ports is connected with the input port of Switching Module respectively, equally, pass through diverter switch, three data transmission channels between Switching Module and the business module 2 are switched to the input channel of business module 2, the storage of business module 1 output is arrived business module 2, realization is 2 data traffic from business module 1 to business module, and 30G is used for storage, oppositely 10G, as seen improved resource utilization ratio by bandwidth adaptation device of the present invention, and when playback, can reach the flow of 30G, all can reach making full use of of resource.
Be not that each module all needs to adopt the collaborative work of bandwidth adaptation device ability in the actual system.System as shown in Figure 7, business module 1 can reach the storage of 30G or the bandwidth of handling up, and supposes that business module 2 can provide reading or storage capacity of 20G simultaneously, and perhaps 10G's reads the 10G storage capacity.By operating at full capacity of bandwidth adaptation modules configured feasible system of the present invention.And under the former mode, make 3 business modules 2 in the system operate at full capacity needs 3 business modules 1.
Be illustrated in figure 8 as a kind of implementation of bus bandwidth adaptive device, backboard agreement in the system adopts the 10GE Ethernet, inter-process resume module peak value can reach folk prescription to the 40GE maximum stream flow, adopt 8x 10GE exchanging array as data Dispatching Unit and Data Receiving unit in the bus bandwidth adaptive device, wherein 4 10GE mouths are internal, satisfy the requirement of folk prescription to the 40GE maximum stream flow.Other 4 mouths are external, link to each other with bus run by diverter switch.8x 10GE exchanging array is realized the distribution of internal data with comprehensive, promptly above-mentioned data Dispatching Unit and aggregation of data unit, and diverter switch is finished with the concrete switching of bus run and is connected task.Like this, according to the analysis result of front, can realize the configuration of 5 kinds of bandwidth.Here bandwidth management unit according to the automatic controlling party of unidirectional flow to switching and the configuration of exchanging array, be implemented in making full use of to system resource under the prerequisite of user transparent.
By a kind of bus bandwidth adaptive device of the present invention, effectively utilized the physical resource of system, for the system handles data provide maximum processing bandwidth.
Used specific embodiment among the present invention principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a bus bandwidth adaptive device is characterized in that, described device comprises:
Data/address bus, described data/address bus have N passage that is used to transmit data;
2N I/O diverter switch is connected with the two ends of described passage respectively, is used for described passage is switched between data sendaisle and Data Receiving passage;
2N is connected with described diverter switch respectively to input/output end port, is used for by described diverter switch transfer of data waiting for transmission to data sendaisle and/or Data Receiving passage.
2. device as claimed in claim 1 is characterized in that, described device comprises:
The data Dispatching Unit is used for according to the distribution conditions that sets in advance data waiting for transmission being distributed to described output port.
3. device as claimed in claim 2 is characterized in that, described distribution conditions comprises:
The distribution conditions that data to be sent is sent based on the passage load information; Or
The distribution conditions that data to be sent is sent based on polling mode; Or
The distribution conditions that data to be sent is sent based on output port address.
4. device as claimed in claim 1 is characterized in that, described device comprises:
The diverter switch control unit is used to receive the switching control instruction that the outside is transmitted, and according to described switching control instruction the conducting/off-state of described I/O diverter switch is controlled.
5. device as claimed in claim 1 is characterized in that, described device comprises:
The aggregation of data unit is used to receive the data that described input port receives from described Data Receiving passage.
6. a bus bandwidth adaptation method is characterized in that, described method comprises:
The two ends of N data transmission channel of data/address bus are connected a diverter switch respectively;
Each described diverter switch is connected with the input/output end port of a pair of data to be transmitted;
Conducting/the off-state of described diverter switch is set, described passage is switched between data sendaisle and Data Receiving passage;
Described data to be transmitted is transferred to data sendaisle and/or Data Receiving passage by described diverter switch.
7. method as claimed in claim 6 is characterized in that, described method comprises:
According to the distribution conditions that sets in advance, data waiting for transmission are distributed to described output port.
8. method as claimed in claim 6 is characterized in that, described distribution conditions comprises:
The distribution conditions that data to be sent is sent based on the passage load information; Or
The distribution conditions that data to be sent is sent based on polling mode; Or
The distribution conditions that data to be sent is sent based on output port address.
9. method as claimed in claim 6 is characterized in that, described method comprises:
Receive the outside switching control instruction that transmits, and the conducting/off-state of described I/O diverter switch is controlled according to described switching control instruction.
10. method as claimed in claim 6 is characterized in that, described method comprises:
Receive the data that described input port receives from described Data Receiving passage.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102318289A (en) * | 2011-07-29 | 2012-01-11 | 华为技术有限公司 | Bandwidth adjusting method, bus controller and signal converter |
CN114866564A (en) * | 2022-03-24 | 2022-08-05 | 煤炭工业合肥设计研究院有限责任公司 | Communication optimization method and device, electronic equipment and readable storage medium |
CN114978916A (en) * | 2021-02-27 | 2022-08-30 | 华为技术有限公司 | Method for configuring data transmission bandwidth and related equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1742447A (en) * | 2003-01-28 | 2006-03-01 | 英特尔公司 | Asymetric optical network traffic flow control |
US20070123175A1 (en) * | 2004-11-25 | 2007-05-31 | Murata Manufacturing Co., Ltd. | High-frequency switch module |
-
2010
- 2010-04-02 CN CN 201010140706 patent/CN101841447A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1742447A (en) * | 2003-01-28 | 2006-03-01 | 英特尔公司 | Asymetric optical network traffic flow control |
US20070123175A1 (en) * | 2004-11-25 | 2007-05-31 | Murata Manufacturing Co., Ltd. | High-frequency switch module |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102318289A (en) * | 2011-07-29 | 2012-01-11 | 华为技术有限公司 | Bandwidth adjusting method, bus controller and signal converter |
CN102318289B (en) * | 2011-07-29 | 2014-12-10 | 华为技术有限公司 | Bandwidth adjusting method, bus controller and signal converter |
US9450886B2 (en) | 2011-07-29 | 2016-09-20 | Huawei Technologies Co., Ltd. | Bandwidth adjustment method, bus controller, and signal convertor |
CN114978916A (en) * | 2021-02-27 | 2022-08-30 | 华为技术有限公司 | Method for configuring data transmission bandwidth and related equipment |
CN114978916B (en) * | 2021-02-27 | 2023-11-28 | 华为技术有限公司 | Configuration method of data transmission bandwidth and related equipment |
CN114866564A (en) * | 2022-03-24 | 2022-08-05 | 煤炭工业合肥设计研究院有限责任公司 | Communication optimization method and device, electronic equipment and readable storage medium |
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Application publication date: 20100922 |