CN104780017A - Data processing method and data processing device - Google Patents
Data processing method and data processing device Download PDFInfo
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- CN104780017A CN104780017A CN201410012539.9A CN201410012539A CN104780017A CN 104780017 A CN104780017 A CN 104780017A CN 201410012539 A CN201410012539 A CN 201410012539A CN 104780017 A CN104780017 A CN 104780017A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/321—Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
Abstract
The invention relates to the technical field of communication, and especially relates to a data processing method and a data processing device to solve the problem that the time delay of data processing is long as there is much message interaction between protocol stack natural layers in the process of data processing by adopting an existing LTE protocol stack natural layer. A data processing method provided by an embodiment of the invention comprises the following steps: receiving data packets needing processing; and sequentially allocating the received data packets to all virtual machines VM bearing tasks of a protocol stack for processing, wherein the VMs include centralized VMs which concentrate the different tasks of the protocol stack for implementation, and the centralized VMs include VMs which implements the tasks of a packet data convergence protocol PDCP layer and a radio link control RLC layer in a centralized manner. According to the embodiment of the invention, different tasks of a protocol stack can be processed in a centralized manner, and message interaction between different protocol stack natural layers can be reduced.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of data processing method and device.
Background technology
In traditional integrated base station and distributed base station, the framework of Long Term Evolution (Long Term Evolution, LTE) protocol stack carries out designing according to the natural layering of agreement; As shown in Figure 1, for traditional LTE protocol stack configuration diagram, comprise: wireless heterogeneous networks (Radio Resource Control, RRC) layer, PDCP (Packet Data Convergence Protocol, PDCP) layer, wireless spread-spectrum technology (Radio Link Control, RLC) layer, medium education (Media Access Control, MAC) layer and physics ((Physical Layer, PHY) layer etc.; Plan in units of traditional LTE protocol Zhan Yi community, the process between each community is independently carried out, and owing to requiring lower to the enabling capabilities of base station equipment, be easy to realize, industry generally have employed this programme.
Along with the development of the communication technology, highlight according to the limitation that the multiple protocol stack nature layers longitudinally divided at present carry out the scheme of data processing, in LTE and follow-up evolution version thereof, multicarrier sends, cooperate multicarrier AF panel, full duplex etc. of multicarrier introduce the Collaborative new technology of a large amount of high real-time, and this data processing method causes the interacting message between each protocol stack nature layer huge;
To sum up, in data communication process, along with data processing amount is increasing, the complexity of data processing is more and more higher, carry out in the process of data processing at employing existing LTE protocol stack nature layer, interacting message between each protocol stack nature layer gets more and more, and under the prerequisite that hardware processing capability is certain, the time delay of data processing is more and more longer.
Summary of the invention
The embodiment of the present invention provides a kind of data processing method and device, and adopt existing LTE protocol stack nature layer to carry out in the process of data processing in order to solve, the interacting message between each protocol stack nature layer is more, causes the problem that the time delay of data processing is longer.
A kind of data processing method that the embodiment of the present invention provides, comprising:
Receive and need packet to be processed;
The described packet received is distributed to successively the virtual machine VM process of each bearing protocol stack task;
Wherein, described VM comprises the centralized VM different task of protocol stack being concentrated in together execution; Described centralized VM comprises: by the VM of the task concentrative implementation of PDCP PDCP layer and wireless spread-spectrum technology rlc layer.
Alternatively, described centralized VM also comprises: the VM being responsible for the various multicarrier collaborative process tasks of media access control MAC layer.
Alternatively, described VM also comprises the distributed VM of the partial task of responsible single protocol stack nature layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the single carrier individual processing tasks of any one carrier wave in media access control MAC layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the control and management task of any one carrier wave in physical layer.
Alternatively, described distributed VM comprises: be responsible in media access control MAC layer for the VM for the control and management task of any one carrier wave in the single carrier individual processing tasks of any one carrier wave and physical layer.
Alternatively, described method also comprises:
Virtual machine manager VMM is adopted to be the exchange channels that multiple VM configures and adjusts between different VM.
A kind of data processing equipment that the embodiment of the present invention provides, comprising:
Receiver module, needs packet to be processed for receiving;
Processing module, the described packet for being received by described receiver module distributes to the virtual machine VM process of each bearing protocol stack task successively; Wherein, described VM comprises the centralized VM different task of protocol stack being concentrated in together execution; Described centralized VM comprises: by the VM of the task concentrative implementation of PDCP PDCP layer and wireless spread-spectrum technology rlc layer.
Alternatively, described centralized VM also comprises: the VM being responsible for the various multicarrier collaborative process tasks of media access control MAC layer.
Alternatively, described VM also comprises the distributed VM of the partial task of responsible single protocol stack nature layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the single carrier individual processing tasks of any one carrier wave in media access control MAC layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the control and management task of any one carrier wave in physical layer.
Alternatively, described distributed VM comprises: be responsible in media access control MAC layer for the VM for the control and management task of any one carrier wave in the single carrier individual processing tasks of any one carrier wave and physical layer.
Alternatively, described processing module also for:
Virtual machine manager VMM is adopted to be the exchange channels that multiple VM configures and adjusts between different VM.
The above-mentioned data processing method based on virtual machine VM that the embodiment of the present invention provides, the different task of protocol stack can be carried out centralization process, such as, the task of PDCP PDCP layer and wireless spread-spectrum technology rlc layer is concentrated on execution on a VM, a VM is when concentrative implementation different task, same data-interface can be adopted, can realize data after a buffer memory, the task that concentrative implementation is different, thus the interacting message between different agreement stack nature layer can be reduced.
Accompanying drawing explanation
Fig. 1 is traditional LTE protocol stack configuration diagram;
The LTE protocol stack configuration diagram of Fig. 2 for providing in the embodiment of the present invention;
The data processing method flow chart that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the LTE protocol stack configuration diagram based on C-RAN virtual platform;
The data processing equipment structural representation that Fig. 5 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention proposes a kind of based on virtual machine (Virtual Machine, VM) data processing method, the data processing task of each for protocol stack natural layer can be carried out process that is concentrated or distribution, realize " it is more concentrated that this is concentrated; the more distribution of this distribution ", such as, by PDCP (Packet DataConvergence Protocol, PDCP) task of layer and wireless spread-spectrum technology (Radio Link Control, RLC) layer concentrates on a VM and performs; In the embodiment of the present invention, by different task concentrative implementation, comprising: after data are carried out a buffer memory, concentrative implementation different task, and adopt same data-interface to carry out data call when performing different task; Same or analogous for character task focuses on by the embodiment of the present invention, and such as PDCP layer and rlc layer are all the process for big data quantity task, these two protocol stack nature layers can be concentrated in together, to reduce moving of data.Thus the employing embodiment of the present invention, VM, when concentrative implementation different task, can adopt same data-interface, can realize data after a buffer memory, the task that concentrative implementation is different, thus the extra interacting message brought because performing different task can be reduced.
The embodiment of the present invention in fact also proposes a kind of new LTE protocol stack architectural schemes simultaneously, basic thought is the task feature according to each protocol stack nature layer, by functional similarity, can seeking unity of action of task concentrates in together execution, form new protocol stack layers, and independence is strong, the task distribution that requirement of real-time is high performs, also new protocol stack layers is formed, as shown in Figure 2, for the LTE protocol stack configuration diagram provided in the embodiment of the present invention, wherein, can be light by processing load, together with the not high AP layer of requirement of real-time and requirement of real-time are not planned higher than the L3 layer of 10ms, by functional similarity, need large memory space, the compact PDCP layer of handling process of levels is together with rlc layer planning, bottom transmission channel at a high speed will be needed, perform the combination of each carrier wave, the MAC layer task centralized planning of the various high real-time Collaborative such as interference coordination process together, distribution planning can be carried out according to the MAC layer task of each carrier wave independent process, Processing tasks highly dense for operand in L1 layer can be transplanted on Specific Embedded Processor, and by control section together with the above-mentioned MAC layer mission planning according to each carrier wave independent process, realize distribution process.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 3, be the data processing method flow chart that the embodiment of the present invention provides, comprise the following steps:
S301: receive and need packet to be processed;
S302: the VM process described packet received being distributed to successively each bearing protocol stack task; Wherein, described VM comprises the centralized VM different task of protocol stack being concentrated in together execution; Described centralized VM comprises: by the VM of the task concentrative implementation of PDCP layer and rlc layer.
In the embodiment of the present invention, based on C-RAN(mono-kind based on centralization process (CentralizedProcessing), the green wireless access network framework (Clean system) of collaboration type radio (Collaborative Radio) and real-time cloud computing framework (Real-timeCloud Infrastructure)) virtual platform, concentrate the mission planning of cooperation for be performed by same VM by needing in LTE protocol stack, be planned to needing the task of distributed treatment in LTE protocol stack respectively and performed by different VM, realize the combination of " concentrating " and " distribution ",
In specific implementation process, handling process in protocol stack can be combined closely, intimate task concentrates in together execution, performs as the task of PDCP layer and rlc layer concentrated on a VM; PDCP layer and rlc layer complete Internet protocol (Internet Protocol, IP) process of packet, the two functional similarity, need the data read channel of large memory space, high speed, the handling process of levels combines closely, so by the two planning together, by the flow of task of same VM concentrative implementation two protocol stack nature layers.
Alternatively, described centralized VM also comprises: the VM being responsible for the various multicarrier collaborative process tasks of medium education (Media Access Control, MAC) layer.
Except above-mentioned by except the task concentrative implementation of PDCP layer and rlc layer, can also by the various multicarrier collaborative process task concentrative implementation of MAC layer.
Alternatively, described VM also comprises the distributed VM of the partial task of responsible single protocol stack nature layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the single carrier individual processing tasks of any one carrier wave in MAC layer.
In specific implementation process, the Radio Resource of several carrier waves of MAC layer primary responsibility in LTE protocol stack is coordinated and scheduling, comprise the various collaborative process tasks of multiple carrier wave (as the combination of multicarrier, interference coordination etc.), with the individual processing tasks of each carrier wave, the independent process of multicarrier cooperation and single carrier wave is all the Processing tasks that real-time is very high, require that time delay is in us rank, in order to ensure real-time, can be concentrated by a VM to be responsible for by the various collaborative process mission plannings between each carrier wave, and the individual processing tasks of each carrier wave is planned to is responsible for respectively by different VM, the embodiment of the present invention has good extensibility, only C-RAN platform need be carried out the expansion of disposal ability, as increased VM number, namely can realize the real-time process for more multicarrier,
The VM being responsible for the various multicarrier collaborative process tasks of MAC layer in the embodiment of the present invention has needed the collaborative process task of various high real-time, need bottom transmission channel at a high speed to perform the Collaborative Processing tasks such as combination, interference coordination of each carrier wave, realize great centralization process; Meanwhile, the task for single carrier wave independent process is carried out distribution planning by the embodiment of the present invention, realizes great distributed treatment.
Alternatively, described distributed VM comprises: be responsible for the VM for the control and management task of any one carrier wave in physical layer;
In specific implementation process, can according to the processing feature according to physical layer (L1/PHY), by different task distribution process, such as fast Fourier transform (Fast Fourier Transformation, FFT), Turbo coding and decoding etc. are all the highly dense tasks of general operand, can this kind of Processing tasks be transplanted on Specific Embedded Processor, and other is controlled the VM that generic task is placed in the general purpose processor platform of C-RAN, can for each carrier wave, distribute independently VM, realize great distributed treatment.
Alternatively, described distributed VM comprises: be responsible in MAC layer for the VM for the control and management task of any one carrier wave in the single carrier individual processing tasks of any one carrier wave and physical layer.
In specific implementation process, can for each carrier wave, independently VM is distributed for physical layer controls generic task (L1-ControlPart), also the single carrier individual processing tasks (MAC_DistributedProccess) in this control generic task for any one carrier wave and above-mentioned MAC layer can be concentrated on a VM and perform, realize great distributed treatment.
In addition, also centralization process can be carried out to (Application Protocol, the AP) layer of application surface agreement in protocol stack and L3 layer; AP layer is responsible for the Signalling exchange for the treatment of S 1/X2 mouth, is responsible for the interface signaling process of whole Access Network (Radio Access Network, RAN) and core net, and processing load is light, and requirement of real-time is not high; And L3 layer is responsible for LTE signaling process all on C-LAN virtual platform and RRM at a slow speed, requirement of real-time, not higher than 10ms, in order to ensure robustness, can enable backup; Because the processing load of AP layer is light, and requirement of real-time is not high, therefore can be responsible for by same VM together with L3 layer, when the processing load of L3 layer is large, also can be planned to and be responsible for by independently VM, and be responsible for the task of AP layer by other VM.
Based on above description, LTE protocol trestle structure based on C-RAN virtual platform in the embodiment of the present invention can be as shown in Figure 4, in concrete enforcement, multiple VM can be run on a physical server, be in operation, each VM hardware resource taken can be given, as cpu resource carries out dynamic conditioning, when the operating load of VM exceedes most high threshold (High_Load_Thres), increase the core (Core) of a CPU, when the operating load of VM is lower than minimum threshold (Down_Load_Thres), reduce by a Core, until close this VM.The embodiment of the present invention carries out modular division according to the task feature of natural layer each in LTE protocol stack, task module that is feature is similar, that can unify to process is planned to by same VM process, interacting message between each task module can be completed by VM and following virtual machine manager (Virtual Machine Manager, VMM).
Alternatively, described method also comprises:
Adopt the exchange channels that virtual machine manager (Virtual Machine Manager, VMM) configures for multiple VM and adjusts between different VM.
In concrete enforcement, in order to ensure the robustness of data processing equipment, backup VM can be set for the VM of each bearing protocol stack task; Receive according to different VM and send the feature of data, plan the communication port between each VM in advance, can make to use identical exchange channels between the data of same type, to guarantee the real-time of carrying out interacting message, the individual interlayer software that VM runs, as operating system, drive software etc. all need to carry out real-time optimization, to guarantee minimum time delay;
In specific implementation process, can be managed multiple VM by VMM; VMM is by mutual data and type of message between each VM of planning in advance, and be the unified configuration of multiple VM and adjustment exchange channels, proof load is balanced, and the real-time realized between multiple VM is mutual; The interaction flow relating to VM, hypervisor (Hypervisor) and hardware (Hardware) can be carried out unified management by VMM, reduces redundancy, improves interactive efficiency.
Based on same inventive concept, a kind of data processing equipment corresponding with data processing method is additionally provided in the embodiment of the present invention, the principle of dealing with problems due to this device is similar to embodiment of the present invention data processing method, therefore the enforcement of this device see the enforcement of method, can repeat part and repeats no more.
As shown in Figure 5, be the data processing equipment structural representation that the embodiment of the present invention provides, comprise:
Receiver module 51, needs packet to be processed for receiving;
Processing module 52, the described packet for being received by receiver module 51 distributes to the virtual machine VM process of each bearing protocol stack task successively; Wherein, described VM comprises the centralized VM different task of protocol stack being concentrated in together execution; Described centralized VM comprises: by the VM of the task concentrative implementation of PDCP PDCP layer and wireless spread-spectrum technology rlc layer.
Alternatively, described centralized VM also comprises: the VM being responsible for the various multicarrier collaborative process tasks of media access control MAC layer.
Alternatively, described VM also comprises the distributed VM of the partial task of responsible single protocol stack nature layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the single carrier individual processing tasks of any one carrier wave in media access control MAC layer.
Alternatively, described distributed VM comprises: be responsible for the VM for the control and management task of any one carrier wave in physical layer.
Alternatively, described distributed VM comprises: be responsible in media access control MAC layer for the VM for the control and management task of any one carrier wave in the single carrier individual processing tasks of any one carrier wave and physical layer.
Alternatively, described processing module 52 also for:
Virtual machine manager VMM is adopted to be the exchange channels that multiple VM configures and adjusts between different VM.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, device (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. a data processing method, is characterized in that, the method comprises:
Receive and need packet to be processed;
The described packet received is distributed to successively the virtual machine VM process of each bearing protocol stack task;
Wherein, described VM comprises the centralized VM different task of protocol stack being concentrated in together execution; Described centralized VM comprises: by the VM of the task concentrative implementation of PDCP PDCP layer and wireless spread-spectrum technology rlc layer.
2. the method for claim 1, is characterized in that, described centralized VM also comprises: the VM being responsible for the various multicarrier collaborative process tasks of media access control MAC layer.
3. the method for claim 1, is characterized in that, described VM also comprises the distributed VM of the partial task of responsible single protocol stack nature layer.
4. method as claimed in claim 3, it is characterized in that, described distributed VM comprises: be responsible for the VM for the single carrier individual processing tasks of any one carrier wave in media access control MAC layer.
5. the method as described in claim 3 or 4, is characterized in that, described distributed VM comprises: be responsible for the VM for the control and management task of any one carrier wave in physical layer.
6. the method for claim 1, is characterized in that, described distributed VM comprises: be responsible in media access control MAC layer for the VM for the control and management task of any one carrier wave in the single carrier individual processing tasks of any one carrier wave and physical layer.
7. the method for claim 1, is characterized in that, described method also comprises:
Virtual machine manager VMM is adopted to be the exchange channels that multiple VM configures and adjusts between different VM.
8. a data processing equipment, is characterized in that, this device comprises:
Receiver module, needs packet to be processed for receiving;
Processing module, the described packet for being received by described receiver module distributes to the virtual machine VM process of each bearing protocol stack task successively; Wherein, described VM comprises the centralized VM different task of protocol stack being concentrated in together execution; Described centralized VM comprises: by the VM of the task concentrative implementation of PDCP PDCP layer and wireless spread-spectrum technology rlc layer.
9. device as claimed in claim 8, it is characterized in that, described centralized VM also comprises: the VM being responsible for the various multicarrier collaborative process tasks of media access control MAC layer.
10. device as claimed in claim 8, is characterized in that, described VM also comprises the distributed VM of the partial task of responsible single protocol stack nature layer.
11. devices as claimed in claim 10, it is characterized in that, described distributed VM comprises: be responsible for the VM for the single carrier individual processing tasks of any one carrier wave in media access control MAC layer.
12. devices as described in claim 10 or 11, it is characterized in that, described distributed VM comprises: be responsible for the VM for the control and management task of any one carrier wave in physical layer.
13. devices as claimed in claim 8, it is characterized in that, described distributed VM comprises: be responsible in media access control MAC layer for the VM for the control and management task of any one carrier wave in the single carrier individual processing tasks of any one carrier wave and physical layer.
14. devices as claimed in claim 8, is characterized in that, described processing module also for:
Virtual machine manager VMM is adopted to be the exchange channels that multiple VM configures and adjusts between different VM.
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| WO2017092475A1 (en) * | 2015-12-04 | 2017-06-08 | 中国移动通信集团公司 | Method and device for air interface scheduling in mac layer |
| CN108234573B (en) * | 2016-12-22 | 2021-06-29 | 中国电信股份有限公司 | Virtualized base station and uplink and downlink data transmission method of virtualized base station |
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| CN109426430A (en) * | 2017-09-05 | 2019-03-05 | 中兴通讯股份有限公司 | Touch message fusion method and terminal, computer readable storage medium |
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| CN109995553B (en) * | 2017-12-29 | 2022-03-25 | 华为技术有限公司 | Communication method, equipment and system thereof |
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| CN112256383A (en) * | 2019-07-22 | 2021-01-22 | 深信服科技股份有限公司 | Method, device, equipment and medium for adjusting CPU core number of virtual machine |
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| CN115066975A (en) * | 2020-01-28 | 2022-09-16 | 哲库科技有限公司 | Layer 2 downstream data in-line processing using integrated circuits |
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