CN101159687A - System and device and method of multi-channel communication transmitting data - Google Patents
System and device and method of multi-channel communication transmitting data Download PDFInfo
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Abstract
The invention discloses a system for transmitting data through multi-channel communication, and a device and a method thereof. The system comprises a plurality of nodes and a plurality of switchboards, wherein the node has a plurality of network interfaces, the output ports of a plurality of the network interfaces are connected to a plurality of the switchboards; a plurality of the switchboards construct a physically independent multi-layer interconnection network with a plurality of channels from nodes to nodes; the nodes are used for transmitting message to destination address through the interconnection network composed of a plurality of the switchboards and having a plurality of channels; and the nodes are also used for receiving data with itself as destination address through the interconnection network having a plurality of channels. The invention reduces time-lag of data transmission and increases network bandwidth.
Description
Technical field
The present invention relates to computer communication field, particularly relate to a kind of system and apparatus and method of utilizing the parallel multi-channel communication transmitting data of multilayer separate network.
Background technology
Along with the lifting of cpu performance and the development of multi-core technology, inter-node communication becomes the performance bottleneck of high performance computing system gradually, and high bandwidth, a low network system that postpones more and more become the urgent demand of people.
Dedicated interconnection technology such as the Myrinet that arises at the historic moment, Infiniband, Quadrics have been alleviated the pressure of network service to a certain extent, and their high-performance provides strong support for the structure supercomputer.
For further improving the bandwidth of multicomputer system interference networks, improve the reliability of interference networks, on the one hand, a lot of multicomputer system interference networks begin to adopt a plurality of identical networks to come connected node, adopt two cover Infiniband networks or other commercial network interconnection etc. as Network of Workstation, such system has a plurality of network interfaces to connect interference networks, and that communicates by letter between the method realization heterogeneous networks of employing software is synchronous.
On the other hand, in order to remedy the deficiency that communication performance is difficult to improve under the single-link environment, some multicomputer systems adopt multilink to improve the network bandwidth, as Cray XT3, and Infiniband network etc.These multilinks only limit between 2, after the end points of each link all wants elder generation synchronously, transmit to next section link when packet transmits on these multilinks again.
Combine the advantage of above-mentioned two methods, prior art provides the multichannel communication technology.
The multichannel communication technology is a kind of parallel multi-channel network link communication that utilizes, and to improve communication performance, breaks through the new technology of the performance bottleneck under the single-link interconnection environment.The multichannel communication technology is by increasing the lattice chain way between the node, directly increased the physical communication performance that application layer can be used exponentially, multi-network interface and many network links is integrated to realize multichannel communication, when improving performance, reduce cost, become one of current development of Communication Technique direction.
But, for multi-network interface, employing be the method for software realize between heterogeneous networks synchronously, for multilink, then to pass down more synchronously earlier at the end points of each link, these have all increased the time that Network Synchronization is handled, thereby have increased network delay.
Summary of the invention
Problem to be solved by this invention is to provide a kind of system and apparatus and method of multi-channel communication transmitting data, it has solved the time-delay that causes synchronously because of needs in the multichannel multilink in the prior art increases problem, reduce time delay of data transmission, increased the network bandwidth.
For realizing the system of a kind of multichannel transmission data that the object of the invention provides, comprise a plurality of nodes and a plurality of switch, described node includes a plurality of network interfaces, and described a plurality of network interface outputs are connected to described a plurality of switch;
Described a plurality of switch constitutes physically independently multilayer interconnection network, forms from a plurality of passages between node-to-node;
Described node is used for sending message by the interference networks with a plurality of passages that a plurality of switches are formed to destination address.
Described node also is used for the data that send for self interference networks that pass through a plurality of passages the receiving target address.
Described node comprises that message splits module, distribution module, and sending module, wherein:
Described message splits module, is used for selecting a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch of each layer of interference networks, message is split as a plurality of subtasks message;
Described distribution module, the packet that is used for a plurality of subtasks message that described fractionation module is split is assigned to a plurality of passages respectively;
Described sending module is used for the interference networks that packet utilization with described a plurality of subtasks message of described module assigns has a plurality of passages and independently sends to the destination address node.
Described node also comprises receiver module, logging modle, judging treatmenting module, wherein:
Described receiver module is used for the packet of a plurality of subtasks message of sending for self interference networks from having a plurality of passages the receiving target address;
Described logging modle is used for by receiving a plurality of subtasks message packets that the described receiver module of Message Record table record receives;
Described judging treatmenting module is used for a plurality of subtasks message packets that receives according to described logging modle record, judges whether whole message sink is finished, and handles according to judged result.
Described subtask packet includes message header, and described message header comprises this bag type, the uniqueness sign of the affiliated message of this bag, the destination address and the data length information of this segment data.
Described bag type is first packet, tail bag, tundish or head and the tail bag.
Also include tail information in the tail bag in the packet of described subtask, message was at total son bag number of this channel transfer, total size of message and indication information under described tail information comprised.
Described message is long message.
For realizing that the object of the invention also provides a kind of node of multichannel transmission data, the interference networks with a plurality of passages that described node is formed by a plurality of switches send message to destination address; And the receiving target address data of sending for self interference networks that pass through a plurality of passages.
Described node comprises that message splits module, distribution module, and sending module, wherein:
Described message splits module, is used for selecting a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch of each layer of interference networks, message is split as a plurality of subtasks message;
Described distribution module, the packet that is used for a plurality of subtasks message that described fractionation module is split is assigned to a plurality of passages respectively;
Described sending module is used for the interference networks that packet utilization with described a plurality of subtasks message of described module assigns has a plurality of passages and independently sends to the destination address node.
Described node also comprises receiver module, logging modle, judging treatmenting module, wherein:
Described receiver module is used for the packet of a plurality of subtasks message of sending for self interference networks from having a plurality of passages the receiving target address;
Described logging modle is used for by receiving a plurality of subtasks message packets that the described receiver module of Message Record table record receives;
Described judging treatmenting module is used for a plurality of subtasks message packets that receives according to described logging modle record, judges whether whole message sink is finished, and handles according to judged result.
For realizing that the object of the invention further provides a kind of method of multichannel transmission data, constitute physically independently multilayer interconnection network at a plurality of nodes and a plurality of switch, form a plurality of passages between node-to-node, comprise the steps:
Steps A, sender node is selected one or more passages according to the destination address and the length scale of message, and according to the cache size of the switch of each layer of interference networks, message is split as a plurality of subtasks message;
Step B, the packet of a plurality of subtasks message is assigned to a plurality of passages respectively, utilizes a plurality of switches of a plurality of physical layers of a plurality of passages independently to send to the destination address node.
The method of described multichannel transmission data also comprises the following steps:
Step C, the receiving terminal node of destination address correspondence receives the packet from a plurality of subtasks message that the interference networks with a plurality of passages send;
Step D, receiving terminal node is by receiving a plurality of subtasks message packets that the Message Record table record is received;
Step e is judged whether whole message sink is finished, and is handled according to judged result.
Described steps A comprises the following steps:
Steps A 3 is split into a plurality of subtasks message with message.
Described step D comprises the following steps:
Step D1 receives first first packet or head and the tail bag that a long message is come from a passage;
Step D2 creates receiving Message Record, uploads the internal memory of packet to receiving terminal node;
Step D3 receives the tundish of this length message from same passage or first packet or the tundish that comes from other passage;
Step D4 more relocates the receiving the Message Record table record, and uploads the internal memory of packet to receiving terminal node;
Step D5 receives the tail bag that arrives from the passage of all uses;
Step D6 more relocates the receiving the record of Message Record table, uploads the internal memory of packet to receiving terminal node, and the sign passage receives and finishes, and whether checks packet loss.
Described message is long message.
The invention has the beneficial effects as follows: the system of multi-channel communication transmitting data of the present invention and apparatus and method, packet independent transmission in each path, no longer need to wait for synchronously, bring into play the advantage of multi-network interface and many network links better, reduce and reach the relevance between transfer data packets in the above between network service, and data manipulation all finished by hardware, reduced time delay of data transmission.In addition, the independent transmission of multidiameter delay has increased the network bandwidth.
Description of drawings
Fig. 1 is the system configuration schematic diagram of multi-channel communication transmitting data;
Fig. 2 is the node structure schematic diagram of multi-channel communication transmitting data of the present invention;
Fig. 3 be in the multi-channel communication transmitting data method of the present invention sender node to long message send request process chart;
Fig. 4 is that long message splits into the schematic diagram that each subtask bag is distributed to each passage;
Fig. 5 is the content schematic diagram that comprises in the message header of subtask bag;
Fig. 6 is the content schematic diagram that tail information comprises in the bag of tail bag type subtask;
Fig. 7 is the flow chart that embodiment of the invention receiving terminal node receives a complete long message;
Fig. 8 is a receiving terminal node message sink record sheet structural representation;
Fig. 9 is that another embodiment of the present invention receiving terminal node is handled subtask bag flow chart.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the system and the apparatus and method of a kind of multi-channel communication transmitting data of the present invention are further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, in the system of multi-channel communication transmitting data of the present invention, comprise a plurality of nodes 2 and a plurality of switch 1, include a plurality of network interfaces 27 in node 2, each network interface 27 is connected to node 2 internal memories by the I/O bus.
A plurality of network interface 27 outputs are connected to a plurality of switches 1, and these switches 1 constitute physically independently multilayer interconnection network, form from a plurality of passages between node-to-node.
As shown in Figure 2, described node 2 comprises that message splits module 21, distribution module 22, and sending module 23 is used for sending message by the interference networks with a plurality of passages that a plurality of switches 1 are formed to destination address.
Message splits module 21, is used for selecting a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch 1 of each layer of interference networks, message is split as a plurality of subtasks message.
Sending module 23, the interference networks that the packet utilization that is used for described a plurality of subtasks message that distribution module 22 is distributed has a plurality of passages independently send to destination address node 2.
Simultaneously, also comprise receiver module 24, logging modle 25, judging treatmenting module 26 in the node 2, be used for the receiving target address for self pass through have the message data that the interference networks of a plurality of passages send.
Judging treatmenting module 26 is used for a plurality of subtasks message packets that receives according to logging modle 25 records, judges whether whole message sink is finished, and handles according to judged result.
As a kind of embodiment, as shown in Figure 1, switch Switch_A, Switch_B, Switch_C and Switch_D are four independently switches 1, and they constitute physically independently four layers of interference networks.Each layer switching network is made of one-level or multistage exchange chip, and every layer of switching network has a plurality of interfaces (in the legend being 4), connects a plurality of nodes 2 respectively.
The network interface 27 of each node 0～3 is divided into A, B, C, D totally four passages, is connected with four layers of switching network respectively, can carry out independent communication by 4 links between node 0 and the node 3.
After network interface 27 obtains message data by the I/O bus from the internal memory of node 2, according to the size of message, message resolved into packet after, be distributed to the multilayer interconnection transmission over networks that a plurality of switches 1 constitute.
On the interference networks on the different physical layer packet need not transmit to next section link again synchronously at the end points of each link, but independent the transmission is until the network interface 27 that arrives destination node 2.
The network interface 27 of destination node 2 is noted the packet number in the write memory, after the packet of whole message all finishes receiving, writes in the internal memory of destination node 2 and receives message and finish incident, notifies the arrival of a message data.
Describe the process of multi-channel communication transmitting data system works of the present invention below in detail, promptly the procedure of a kind of multi-channel communication transmitting data provided by the invention comprises the following steps:
Step S100, sender node 2 is selected a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch 1 of each layer of interference networks, message is split as a plurality of subtasks message.
How to realize that with a long message data parallel transmission is an example below, the system and the apparatus and method of multi-channel communication transmitting data of the present invention are described, still, should be noted that, it is not a limitation of the present invention, and the present invention is equally applicable to the parallel transmission process of short message.
As shown in Figure 3, be the handling process of 2 pairs of long message send request of sender node, comprise the following steps:
Step S110, sender node 2 receives the transmission request of long message;
Step S120, the interference networks passage that selection is used according to message-length;
Generally include the data that message header and a big section need to transmit (data can be several immediately, also can be the one piece of data in the internal memory to be got) in 2, one long message of sender node.The length scale that transmits data according to destination address and needs is selected the passage that will walk;
According to the destination address and the message-length of message, can select one, two, three, four passages, perhaps more a plurality of passages in the embodiment of the invention, are selected whole four passages.
Step S130 will grow message and be split into a plurality of subtasks message.
Being subjected to switch 1 to send the size that receives buffering area influences, and long message is divided into a series of subtask, is beneficial to message fragment is transmitted.
As shown in Figure 4, be the schematic diagram that a long message data is split as the subtask.
Send the size that the size of accepting buffering area is determined the subtask bag according to switch 1, long message sequence is divided into a series of subtasks message, be sent to A, B, four passages of C, D respectively, it is independent successively transmission block 1 among Fig. 2, data block 2 ..., data block N.
In the bag of each subtask, all include clear and definite message header, comprise information such as the destination address of uniqueness sign, this segment data of long message under this bag type, this bag and data length in the message header, as shown in Figure 5.
Wherein, the bag type is first packet, tail bag, tundish or head and the tail bag.
Described head and the tail bag refers to long message and have only a son bag in this passage.
Also include tail information in the described tail bag, long message was wrapped number at total son of this channel transfer under described tail information comprised, the total size of long message and indication information or the like, as shown in Figure 6,
Last subtask independently by direct memory access (DMA) (Direct Memory Access, DMA) mode is taken out data from internal memory, the construction data bag sends to interference networks.
Step S200, the packet of a plurality of subtasks message is assigned to a plurality of passages respectively, utilizes a plurality of switches 1 of a plurality of physical layers of a plurality of passages independently to send to destination address node 2.
The packet of a plurality of subtasks message is assigned to a plurality of passages respectively, distributes to first subtask of each passage and wraps mark first packet of passage for this reason, and last mark is the tail bag of passage for this reason.
Each subtask wraps in independent transmission on the interference networks, arrives the network interface 27 of receiving terminal node 2 successively.
Step S300, the receiving terminal node 2 of destination address correspondence is from the packet of a plurality of subtasks message that the interference networks with a plurality of passages send;
At destination node 2, the data based destination address that it carries on the different physical layer is directly write in the internal memory by DMA on the interference networks, does not need to wait for each other and synchronously.
Step S400, receiving terminal node 2 is by receiving a plurality of subtasks message packets that the Message Record table record is received;
As shown in Figure 7, be the flow chart that receiving terminal node 2 is accepted a complete long message.
Step S400 comprises the following steps:
Step S410 receives first first packet or head and the tail bag that a long message is come from a passage;
Under the situation that network link does not break down, at first receive a first packet or head and the tail bag from a physical channel at receiving terminal.
Among the present invention, in receiving terminal node 2, safeguard that receives a Message Record table, as shown in Figure 8.
Step S420 creates receiving Message Record, uploads the internal memory of packet to receiving terminal node 2;
After receiving terminal node 2 receives first packet or head and the tail bag, because this is first bag of a long message, so will in receiving the Message Record table, open up new record, write down the arrival of a long message, and fill in the Message Record sign according to long message uniqueness sign.And can learn from the message header of this first packet or head and the tail bags which physical channel is this long message will arrive through, then in record sheet respective channel effective marker position be set to effective 1, corresponding each passage count pick up zero clearing.
Upload the internal memory of packet according to data length and destination address then to receiving terminal node 2.
Step S430 receives the tundish of this length message from same passage or first packet or the tundish that comes from other passage;
Next may receive the first packet of other physical channel, or the tundish of same physical channel or tail bag.
The count pick up of the passage of in receiving the Message Record table this packet being walked after transfer of data finishes adds 1.
In receiving the Message Record table, contained the record of same long message this moment, according to the data length in the message header and destination address with data upload, the respective channel count pick up of corresponding record increases 1 in receiving the Message Record table, shows the arrival of a new packet.
Step S440 more relocates the receiving the Message Record table record, and uploads the internal memory of packet to receiving terminal node 2;
Step S450 receives the tail bag that arrives from the passage of all uses;
Step S460 more relocates the receiving the record of Message Record table, uploads the internal memory of packet to receiving terminal node 2, and the sign passage receives and finishes, and whether checks packet loss.
For the tail bag, finish with the tundish identical operations after, with bag number in this passage subtask in the tail package informatin with receive count pick up comparison in the Message Record table, if difference is arranged, showing has data-bag lost, carries out packet loss and handles.
As another kind of embodiment, receiving terminal node 2 receives a more detailed process of the handling process behind the packet as shown in Figure 9.At first judge the type that receives packet, type according to bag is correspondingly processed then, upload data then and safeguard reception Message Record table simultaneously, judge that at last finishing long message sink finishes, notice receiving terminal node 2 is removed the reception Message Record table of this message.
Step S500 judges whether whole message sink is finished, and handles according to judged result.
After all tail bags of used physical channel all arrive, show that a long message sink finishes, at this moment, according to the long message indication information in the tail information of last tail bag, judge whether to receive whole subtasks bag, select to be sent completely or to interrupt transmission according to judged result, remove the reception Message Record table of this message.
The system of multi-channel communication transmitting data of the present invention and apparatus and method, packet independent transmission in each path, no longer need to wait for synchronously, bring into play the advantage of multi-network interface and many network links better, reduce and reach the relevance between transfer data packets in the above between network service, and data manipulation all finished by hardware, reduced time delay of data transmission.In addition, the independent transmission of multidiameter delay has increased the network bandwidth.
In conjunction with the accompanying drawings to the description of the specific embodiment of the invention, others of the present invention and feature are conspicuous to those skilled in the art by above.
More than specific embodiments of the invention are described and illustrate it is exemplary that these embodiment should be considered to it, and be not used in and limit the invention, the present invention should make an explanation according to appended claim.
Claims (16)
1. the system of multichannel transmission data comprises a plurality of nodes and a plurality of switch, it is characterized in that described node includes a plurality of network interfaces, and described a plurality of network interface outputs are connected to described a plurality of switch;
Described a plurality of switch constitutes physically independently multilayer interconnection network, forms from a plurality of passages between node-to-node;
Described node is used for sending message by the interference networks with a plurality of passages that a plurality of switches are formed to destination address.
2. the system of multichannel according to claim 1 transmission data is characterized in that, described node also is used for the data that send for self interference networks that pass through a plurality of passages the receiving target address.
3. the system of multichannel transmission data according to claim 1 and 2, described node comprises that message splits module, distribution module, sending module, wherein:
Described message splits module, is used for selecting a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch of each layer of interference networks, message is split as a plurality of subtasks message;
Described distribution module, the packet that is used for a plurality of subtasks message that described fractionation module is split is assigned to a plurality of passages respectively;
Described sending module is used for the interference networks that packet utilization with described a plurality of subtasks message of described module assigns has a plurality of passages and independently sends to the destination address node.
4. the system of multichannel transmission data according to claim 3 is characterized in that described node also comprises receiver module, logging modle, judging treatmenting module, wherein:
Described receiver module is used for the packet of a plurality of subtasks message of sending for self interference networks from having a plurality of passages the receiving target address;
Described logging modle is used for by receiving a plurality of subtasks message packets that the described receiver module of Message Record table record receives;
Described judging treatmenting module is used for a plurality of subtasks message packets that receives according to described logging modle record, judges whether whole message sink is finished, and handles according to judged result.
5. the system of multichannel transmission data according to claim 4, it is characterized in that, described subtask packet includes message header, and described message header comprises this bag type, the uniqueness sign of the affiliated message of this bag, the destination address and the data length information of this segment data.
6. the system of multichannel transmission data according to claim 5 is characterized in that, described bag type is first packet, tail bag, tundish or head and the tail bag.
7. the system of multichannel transmission data according to claim 6, it is characterized in that, also include tail information in the tail bag in the packet of described subtask, message was at total son bag number of this channel transfer, total size of message and indication information under described tail information comprised.
8. the system of multichannel transmission data according to claim 4 is characterized in that, described message is long message.
9. the node of multichannel transmission data is characterized in that the interference networks with a plurality of passages that described node is formed by a plurality of switches send message to destination address; And the receiving target address data of sending for self interference networks that pass through a plurality of passages.
10. the node of multichannel transmission data according to claim 9 is characterized in that, described node comprises that message splits module, distribution module, and sending module, wherein:
Described message splits module, is used for selecting a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch of each layer of interference networks, message is split as a plurality of subtasks message;
Described distribution module, the packet that is used for a plurality of subtasks message that described fractionation module is split is assigned to a plurality of passages respectively;
Described sending module is used for the interference networks that packet utilization with described a plurality of subtasks message of described module assigns has a plurality of passages and independently sends to the destination address node.
11. the node of multichannel transmission data according to claim 10 is characterized in that described node also comprises receiver module, logging modle, judging treatmenting module, wherein:
Described receiver module is used for the packet of a plurality of subtasks message of sending for self interference networks from having a plurality of passages the receiving target address;
Described logging modle is used for by receiving a plurality of subtasks message packets that the described receiver module of Message Record table record receives;
Described judging treatmenting module is used for a plurality of subtasks message packets that receives according to described logging modle record, judges whether whole message sink is finished, and handles according to judged result.
12. the method for multichannel transmission data is characterized in that, constitutes physically independently multilayer interconnection network at a plurality of nodes and a plurality of switches of a plurality of switch, forms a plurality of passages between node-to-node, comprises the steps:
Steps A, sender node is selected a plurality of passages according to the destination address and the length scale of message, and according to the cache size of the switch of each layer of interference networks, message is split as a plurality of subtasks message;
Step B, the packet of a plurality of subtasks message is assigned to a plurality of passages respectively, utilizes a plurality of switches of a plurality of physical layers of a plurality of passages independently to send to the destination address node.
13. the method for multichannel transmission data according to claim 12 is characterized in that, also comprises the following steps:
Step C, the receiving terminal node of destination address correspondence is from the packet of a plurality of subtasks message that the interference networks with a plurality of passages send;
Step D, receiving terminal node is by receiving a plurality of subtasks message packets that the Message Record table record is received;
Step e is judged whether whole message sink is finished, and is handled according to judged result.
14. the method according to claim 12 or 13 described multichannel transmission data is characterized in that described steps A comprises the following steps:
Steps A 1, the network interface of sender node receive the transmission request of message;
Steps A 2, the interference networks passage that selection is used according to message-length;
Steps A 3 is split into a plurality of subtasks message with message.
15. the method for multichannel transmission data according to claim 13 is characterized in that described step D comprises the following steps:
Step D1 receives first first packet or head and the tail bag that a message is come from a passage;
Step D2 creates receiving Message Record, uploads the internal memory of packet to receiving terminal node;
Step D3 receives the tundish of this message from same passage or first packet or the tundish that comes from other passage;
Step D4 more relocates the receiving the Message Record table record, and uploads the internal memory of packet to receiving terminal node;
Step D5 receives the tail bag that arrives from the passage of all uses;
Step D6 more relocates the receiving the record of Message Record table, uploads the internal memory of packet to receiving terminal node, and the sign passage receives and finishes, and whether checks packet loss.
16. the method according to claim 12 or 13 described multichannel transmission data is characterized in that described message is long message.
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| CN103404049A (en) * | 2011-06-03 | 2013-11-20 | Sk电信有限公司 | Method for simultaneous data transmission service and device used therefor |
| CN103404049B (en) * | 2011-06-03 | 2017-09-19 | Sk电信有限公司 | Data transport service method and apply the device of this method simultaneously |
| US9674028B2 (en) | 2011-06-03 | 2017-06-06 | Sk Telecom Co., Ltd. | Device and method of simultaneous data transmission service over heterogeneous networks |
| CN102375886A (en) * | 2011-10-21 | 2012-03-14 | 北京锐安科技有限公司 | Multi-channel high-speed data comparing method |
| CN105993158A (en) * | 2014-04-15 | 2016-10-05 | 美国莱迪思半导体公司 | Transmitter, receiver and non-transient computer-readable media for performing communication of multimedia data streams over multiple communication lanes |
| CN105471767A (en) * | 2014-08-25 | 2016-04-06 | 深圳市中兴微电子技术有限公司 | Switch access module, cell packaging method and switch network system |
| CN104850132A (en) * | 2015-04-23 | 2015-08-19 | 中电科（德阳广汉）特种飞机系统工程有限公司 | Multitask load management apparatus and method |
| CN104811362A (en) * | 2015-05-27 | 2015-07-29 | 浙江大学 | Data transmission method for multi-hierarchy network and network bridge equipment |
| CN105721354A (en) * | 2016-01-18 | 2016-06-29 | 云南磊奥明科技有限公司 | Network-on-chip interconnection method and device |
| CN105721354B (en) * | 2016-01-18 | 2019-06-14 | 云南磊奥明科技有限公司 | Network-on-chip interconnected method and device |
| CN108959107A (en) * | 2017-05-18 | 2018-12-07 | 深圳市中兴微电子技术有限公司 | A kind of sharing method and device |
| CN108959107B (en) * | 2017-05-18 | 2020-06-16 | 深圳市中兴微电子技术有限公司 | Sharing method and device |
| CN112216310A (en) * | 2019-07-09 | 2021-01-12 | 海信视像科技股份有限公司 | Audio processing method and device and multi-channel system |
| CN114697279A (en) * | 2022-03-23 | 2022-07-01 | 北京航天拓扑高科技有限责任公司 | Method for transmitting data files by multi-channel sub-packets |
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