CN104780017B - A kind of data processing method and device - Google Patents
A kind of data processing method and device Download PDFInfo
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- CN104780017B CN104780017B CN201410012539.9A CN201410012539A CN104780017B CN 104780017 B CN104780017 B CN 104780017B CN 201410012539 A CN201410012539 A CN 201410012539A CN 104780017 B CN104780017 B CN 104780017B
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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 present invention relates to fields of communication technology, more particularly to a kind of data processing method and device, to solve during carrying out data processing using existing LTE protocol stack nature layer, the interacting message between each protocol stack nature layer is more, leads to the longer problem of the time delay of data processing.A kind of data processing method provided in an embodiment of the present invention, including：Receive data packet to be treated；The data packet of reception is sequentially allocated to the virtual machine VM processing of each bearing protocol stack task；Wherein, the VM includes the centralized VM that the different task of protocol stack is concentrated in together to execution；The centralization VM includes：By the VM of PDCP layers of Packet Data Convergence Protocol and the task concentrative implementation of wireless spread-spectrum technology rlc layer；As it can be seen that the different task of protocol stack can be carried out centralization processing by the embodiment of the present invention, the interacting message between different agreement stack nature layer is reduced.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of data processing method and devices.
Background technology
In traditional integrated base station and distributed base station, long term evolution（Long Term Evolution, LTE）Association
The framework for discussing stack is designed according to the natural layering of agreement；As shown in Figure 1, illustrating for traditional LTE protocol trestle structure
Figure, including：Wireless heterogeneous networks（Radio Resource Control, RRC）Layer, Packet Data Convergence Protocol（Packet
Data Convergence Protocol, PDCP）Layer, wireless spread-spectrum technology（Radio Link Control, RLC）Layer, media
Access control（Media Access Control, MAC）Layer and physics（(Physical Layer, PHY）Layer etc.；Traditional LTE
Protocol stack is planned that the processing between each cell independently carries out as unit of cell, due to the support energy to base station equipment
Power requires relatively low, it is easy to accomplish, industry generally uses this programme.
With the development of the communication technology, the side of data processing is carried out according to multiple protocol stack nature layers longitudinally divided at present
The limitation of case highlights, and multicarrier is sent, multicarrier cooperation presses down to overloading wave interference in LTE and its subsequent evolution version
System, full duplex etc. introduce the Collaborative new technology of a large amount of high real-times, and this data processing method causes each protocol stack natural
Interacting message between layer is huge；
To sum up, in data communication process, as data processing amount is increasing, the complexity of data processing is increasingly
Height, during carrying out data processing using existing LTE protocol stack nature layer, the message between each protocol stack nature layer is handed over
Mutually more and more, under the premise of hardware processing capability is certain, the time delay of data processing is increasingly longer.
Invention content
A kind of data processing method of offer of the embodiment of the present invention and device, to solve using existing LTE protocol stack certainly
During right layer carries out data processing, the interacting message between each protocol stack nature layer is more, leads to the time delay of data processing
Longer problem.
A kind of data processing method provided in an embodiment of the present invention, including：
Receive data packet to be treated；
The data packet of reception is sequentially allocated to the virtual machine VM processing of each bearing protocol stack task；
Wherein, the VM includes the centralized VM that the different task of protocol stack is concentrated in together to execution；The centralization
VM includes：By the VM of PDCP layers of Packet Data Convergence Protocol and the task concentrative implementation of wireless spread-spectrum technology rlc layer.
Optionally, the centralization VM further includes：The various multicarrier collaborative process for being responsible for media access control MAC layer are appointed
The VM of business.
Optionally, the VM further includes the distributed VM for the partial task for being responsible for single protocol stack nature layer.
Optionally, the distribution VM includes：It is responsible for carrying for the single of any one carrier wave in media access control MAC layer
The VM of wave individual processing tasks.
Optionally, the distribution VM includes：It is responsible for the control management role in physical layer for any one carrier wave
VM。
Optionally, the distribution VM includes：It is responsible for carrying for the single of any one carrier wave in media access control MAC layer
For the VM of the control management role of any one carrier wave in wave individual processing tasks and physical layer.
Optionally, the method further includes：
Use virtual machine manager VMM for multiple VM configure and adjust different VM between interaction channel.
A kind of data processing equipment provided in an embodiment of the present invention, including：
Receiving module, for receiving data packet to be treated；
Processing module, the data packet for receiving the receiving module is sequentially allocated appoints to each bearing protocol stack
The virtual machine VM processing of business；Wherein, the VM includes the centralization that the different task of protocol stack is concentrated in together to execution
VM；The centralization VM includes：By the task concentrative implementation of PDCP layers of Packet Data Convergence Protocol and wireless spread-spectrum technology rlc layer
VM.
Optionally, the centralization VM further includes：The various multicarrier collaborative process for being responsible for media access control MAC layer are appointed
The VM of business.
Optionally, the VM further includes the distributed VM for the partial task for being responsible for single protocol stack nature layer.
Optionally, the distribution VM includes：It is responsible for carrying for the single of any one carrier wave in media access control MAC layer
The VM of wave individual processing tasks.
Optionally, the distribution VM includes：It is responsible for the control management role in physical layer for any one carrier wave
VM。
Optionally, the distribution VM includes：It is responsible for carrying for the single of any one carrier wave in media access control MAC layer
For the VM of the control management role of any one carrier wave in wave individual processing tasks and physical layer.
Optionally, the processing module is additionally operable to：
Use virtual machine manager VMM for multiple VM configure and adjust different VM between interaction channel.
The above-mentioned data processing method based on virtual machine VM provided in an embodiment of the present invention can appoint the difference of protocol stack
Business carries out centralization processing, for example, the task of PDCP layers of Packet Data Convergence Protocol and wireless spread-spectrum technology rlc layer is concentrated on
It is executed on one VM, same data-interface may be used in concentrative implementation different task in a VM, may be implemented data
After once caching, the different task of concentrative implementation, so as to reduce the interacting message between different agreement stack nature layer.
Description of the drawings
Fig. 1 is traditional LTE protocol stack configuration diagram；
Fig. 2 is the LTE protocol stack configuration diagram provided in the embodiment of the present invention；
Fig. 3 is data processing method flow chart provided in an embodiment of the present invention；
Fig. 4 is the LTE protocol stack configuration diagram based on C-RAN virtual platforms；
Fig. 5 is data processing equipment structural diagram provided in an embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention proposes a kind of based on virtual machine（Virtual Machine, VM）Data processing method, can
The data processing task of each natural layer of protocol stack to be carried out to the processing of concentration or distribution, realize that " the more concentration of the concentration, should
The more distribution of distribution ", for example, by Packet Data Convergence Protocol（Packet Data Convergence Protocol, PDCP）
Layer and wireless spread-spectrum technology（Radio Link Control, RLC）The task of layer concentrates on a VM executing；The present invention is implemented
In example, by different task concentrative implementation, including：After data once cache, concentrative implementation different task, and executing
Data call is carried out using same data-interface when different task；The embodiment of the present invention by the same or analogous task of property into
Row centralized processing, for example PDCP layer and rlc layer be both for the processing of big data quantity task, it can be natural by the two protocol stacks
Layer concentrates in together, to reduce moving for data.To use the embodiment of the present invention, VM, can in concentrative implementation different task
To use the same data-interface, may be implemented by data after once caching, the different task of concentrative implementation, so as to
It reduces because executing interacting message additional caused by different task.
The embodiment of the present invention substantially also proposes a kind of new LTE protocol stack architectural schemes simultaneously, and basic thought is root
According to the task feature of each protocol stack nature layer, function is similar, capable of seeking unity of action for task concentrates in together execution, is formed new
Protocol stack layers, and independence is strong, requirement of real-time is high task distribution executes, and new protocol stack layers is also formed, such as Fig. 2 institutes
Show, for the LTE protocol stack configuration diagram provided in the embodiment of the present invention, wherein processing load can be wanted light, real-time
The L3 layers that not high AP layers are not higher than 10ms with requirement of real-time are asked to plan together, function is similar, need big storage empty
Between, together with compact PDCP layers of the process flow of levels and rlc layer planning, it would be desirable to the bottom transmission of high speed is logical
Road executes the MAC layer task centralized planning of the various high real-time Collaborative processing such as combination, interference coordination of each carrier wave one
It rises, distribution planning will be carried out according to the MAC layer task of each carrier wave independent process, it can be highly dense by operand in L1 layers
Processing task be transplanted on Specific Embedded Processor, and by control section with above-mentioned according to each carrier wave independent process
MAC layer mission planning together, realizes distribution process.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
As shown in figure 3, being data processing method flow chart provided in an embodiment of the present invention, include the following steps：
S301：Receive data packet to be treated；
S302：The data packet of reception is sequentially allocated to the VM processing of each bearing protocol stack task；Wherein,
The VM includes the centralized VM that the different task of protocol stack is concentrated in together to execution；The centralization VM includes：By PDCP
The VM of the task concentrative implementation of layer and rlc layer.
In the embodiment of the present invention, it is based on C-RAN（One kind is handled based on centralization（Centralized Processing)、
Collaborative radio (Collaborative Radio) and real-time cloud computing framework（Real-time Cloud
Infrastructure）Green wireless access network framework（Clean system））Virtual platform will need in LTE protocol stack
It is to be executed by the same VM to concentrate the mission planning of cooperation, and the task of distributed treatment will be needed to advise respectively in LTE protocol stack
It divides by different VM execution, realizes the combination of " concentration " and " distribution "；
In specific implementation process, process flow in protocol stack can be tightly combined, intimate task concentrates on
It executes together, such as concentrates on a VM executing by the task of PDCP layers and rlc layer；PDCP layers and rlc layer completion internet protocol
View（Internet Protocol, IP）The processing of data packet, the two function is similar, and the data of big memory space, high speed is needed to read
Channel, the process flow of levels is taken to be tightly combined, so together by the two planning, by two associations of the same VM concentrative implementations
Discuss the flow of task of stack nature layer.
Optionally, the centralization VM further includes：It is responsible for media access control（Media Access Control, MAC）
The VM of the various multicarrier collaborative process tasks of layer.
It, can also will be at the various multicarrier cooperations of MAC layer except above-mentioned by addition to the task concentrative implementation of PDCP layers and rlc layer
Reason task concentrative implementation.
Optionally, the VM further includes the distributed VM for the partial task for being responsible for single protocol stack nature layer.
Optionally, the distribution VM includes：It is responsible for the single carrier independent process in MAC layer for any one carrier wave to appoint
The VM of business.
In specific implementation process, the MAC layer in LTE protocol stack be mainly responsible for several carrier waves radio resource coordinate and
Scheduling, includes the various collaborative process tasks of multiple carrier waves（The combination of such as multicarrier, interference coordination）, and each carrier wave is only
The independent process of vertical processing task, multicarrier cooperation and single carrier wave is all the very high processing task of real-time, it is desirable that time delay exists
Various collaborative process mission plannings between each carrier wave can be to be concentrated to bear by a VM in order to ensure real-time by us ranks
Duty, and the individual processing tasks of each carrier wave are planned to be each responsible for by different VM；The embodiment of the present invention has good
C-RAN platforms, need to only be carried out the extension of processing capacity, such as increase VM number by scalability, you can be directed to more overloading to realize
The real-time of wave is handled；
The VM for being responsible for the various multicarrier collaborative process tasks of MAC layer in the embodiment of the present invention needs to complete various height in real time
The collaborative process task of property, needs the bottom transmission channel of high speed to execute at the Collaboratives such as the combination of each carrier wave, interference coordination
Reason task realizes great centralization processing；Meanwhile the embodiment of the present invention will be carried out for the task of single carrier wave independent process
Distribution planning, realizes great distributed treatment.
Optionally, the distribution VM includes：It is responsible for the control management role in physical layer for any one carrier wave
VM；
It, can be according to according to physical layer in specific implementation process（L1/PHY）Processing feature, by different task point
Cloth processing, such as fast Fourier transform（Fast Fourier Transformation, FFT）, Turbo coding and decodings etc. be all logical
This kind of processing task can be transplanted on Specific Embedded Processor by the highly dense task of operand, and by other controls
Generic task processed is placed in the VM of the general purpose processor platform of C-RAN, can be directed to each carrier wave, be distributed independent VM, realize pole
Big distributed treatment.
Optionally, the distribution VM includes：It is responsible for the single carrier independent process in MAC layer for any one carrier wave to appoint
For the VM of the control management role of any one carrier wave in business and physical layer.
In specific implementation process, it can be directed to each carrier wave, generic task is controlled for physical layer（L1-ControlPart）
Independent VM is distributed, it can also be independent by the control generic task for any one carrier wave and the single carrier in above-mentioned MAC layer
Processing task（MAC_DistributedProccess）It concentrates on a VM executing, realizes great distributed treatment.
In addition to this, to application surface agreement in protocol stack（Application Protocol, AP）Layer can also with L3 layers
Carry out centralization processing；The AP layers of Signalling exchange for being responsible for S1/X2 mouthfuls of processing are responsible for entire access net（Radio Access
Network, RAN）It is handled with the interface signaling of core net, processing load is light, and requirement of real-time is not high；And L3 layers are responsible for C-LAN
The processing of all LTE signalings and wireless resource management at a slow speed on virtual platform, requirement of real-time is not higher than 10ms, in order to ensure
Robustness can enable backup；Since AP layers of processing loads are light, and requirement of real-time is not high, therefore can be with L3 layers together
It is responsible for by the same VM, when L3 layers of processing load is big, can also be planned to be responsible for by independent VM, and by other
VM is responsible for AP layers of task.
Based on above description, the LTE protocol trestle structure based on C-RAN virtual platforms can be such as figure in the embodiment of the present invention
Shown in 4, in specific implementation, multiple VM can be run on a physical server, in operation, each VM can be given to occupy
Hardware resource, if cpu resource into Mobile state adjust, when VM operating load be more than highest thresholding（High_Load_Thres）
When, increase the core of a CPU（Core）, when the operating load of VM is less than minimum threshold（Down_Load_Thres）When, reduce one
A Core, until closing the VM.The embodiment of the present invention carries out modularization according to the task feature of each nature layer in LTE protocol stack and draws
Point, task module feature is similar, being uniformly processed is planned to by the same VM processing, disappearing between each task module
Breath interaction can pass through VM and following virtual machine managers（Virtual Machine Manager, VMM）It completes.
Optionally, the method further includes：
Using virtual machine manager（Virtual Machine Manager, VMM）Different VM are configured and adjusted for multiple VM
Between interaction channel.
In specific implementation, can be the VM of each bearing protocol stack task in order to ensure the robustness of data processing equipment
Backup VM is set；The characteristics of sending and receiving data according to different VM plans the communication port between each VM in advance, can make
Identical interaction channel is used between same type of data, to ensure to carry out the real-time of interacting message, is run on VM
A interlayer software, such as operating system, drive software are required for carrying out real-time optimization, to ensure minimum time delay；
In specific implementation process, multiple VM can be managed by VMM；VMM is each by what is planned in advance
The data and type of message of interaction between VM, for the unified configurations of multiple VM and adjustment interaction channel, proof load is balanced, realizes more
Real-time interaction between a VM；VMM can will be related to VM, management program（Hypervisor）And hardware（Hardware）Friendship
Mutual flow is managed collectively, and redundancy is reduced, and improves interactive efficiency.
Based on same inventive concept, additionally provided in the embodiment of the present invention at one kind data corresponding with data processing method
Manage device, since the principle that the device solves the problems, such as is similar to data processing method of the embodiment of the present invention, the reality of the device
The implementation for the method for may refer to is applied, overlaps will not be repeated.
As shown in figure 5, be data processing equipment structural diagram provided in an embodiment of the present invention, including：
Receiving module 51, for receiving data packet to be treated；
Processing module 52, the data packet for receiving receiving module 51 is sequentially allocated appoints to each bearing protocol stack
The virtual machine VM processing of business；Wherein, the VM includes the centralization that the different task of protocol stack is concentrated in together to execution
VM；The centralization VM includes：By the task concentrative implementation of PDCP layers of Packet Data Convergence Protocol and wireless spread-spectrum technology rlc layer
VM.
Optionally, the centralization VM further includes：The various multicarrier collaborative process for being responsible for media access control MAC layer are appointed
The VM of business.
Optionally, the VM further includes the distributed VM for the partial task for being responsible for single protocol stack nature layer.
Optionally, the distribution VM includes：It is responsible for carrying for the single of any one carrier wave in media access control MAC layer
The VM of wave individual processing tasks.
Optionally, the distribution VM includes：It is responsible for the control management role in physical layer for any one carrier wave
VM。
Optionally, the distribution VM includes：It is responsible for carrying for the single of any one carrier wave in media access control MAC layer
For the VM of the control management role of any one carrier wave in wave individual processing tasks and physical layer.
Optionally, the processing module 52 is additionally operable to：
Use virtual machine manager VMM for multiple VM configure and adjust different VM between interaction channel.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, the present invention can be used in one or more wherein include computer usable program code computer
Usable storage medium（Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.）The computer program of upper implementation produces
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, device（System）And the flow of computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of data processing method, which is characterized in that this method includes：
Receive data packet to be treated；
The data packet of reception is sequentially allocated to the virtual machine VM processing of each bearing protocol stack task；
Wherein, the VM includes that the different task of protocol stack is concentrated in together the centralized VM of execution and is responsible for single protocol stack
The distributed VM of the partial task of natural layer；
The centralization VM includes：It will be held in PDCP layers of Packet Data Convergence Protocol and the task-set of wireless spread-spectrum technology rlc layer
The VM of the various multicarrier collaborative process tasks of capable VM and responsible media access control MAC layer；
The distribution VM includes：It is responsible for the VM of the single carrier individual processing tasks in MAC layer for any one carrier wave, or
The control of any one carrier wave is directed in the single carrier individual processing tasks and physical layer be responsible in MAC layer for any one carrier wave
The VM of management role processed.
2. the method as described in claim 1, which is characterized in that the distribution VM further includes：It is responsible for being directed in physical layer and appoints
The VM of the control management role of one carrier wave of meaning.
3. the method as described in claim 1, which is characterized in that the method further includes：
Use virtual machine manager VMM for multiple VM configure and adjust different VM between interaction channel.
4. a kind of data processing equipment, which is characterized in that the device includes：
Receiving module, for receiving data packet to be treated；
Processing module, the data packet for receiving the receiving module are sequentially allocated to each bearing protocol stack task
Virtual machine VM processing；
Wherein, the VM includes that the different task of protocol stack is concentrated in together the centralized VM of execution and is responsible for single protocol stack
The distributed VM of the partial task of natural layer；
The centralization VM includes：It will be held in PDCP layers of Packet Data Convergence Protocol and the task-set of wireless spread-spectrum technology rlc layer
The VM of the various multicarrier collaborative process tasks of capable VM and responsible media access control MAC layer；
The distribution VM includes：It is responsible for being directed to the single carrier independent process of any one carrier wave in media access control MAC layer
In the VM of task or responsible MAC layer in the single carrier individual processing tasks of any one carrier wave and physical layer for appointing
The VM of the control management role of one carrier wave of meaning.
5. device as claimed in claim 4, which is characterized in that the distribution VM further includes：It is responsible for being directed in physical layer and appoints
The VM of the control management role of one carrier wave of meaning.
6. device as claimed in claim 4, which is characterized in that the processing module is additionally operable to：
Use virtual machine manager VMM for multiple VM configure and adjust different VM between interaction channel.
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| CN106851742B (en) * | 2015-12-04 | 2019-11-12 | 中国移动通信集团公司 | A kind of method and device for realizing 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 |
| 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 |
| CN109803447B (en) * | 2017-11-15 | 2020-12-25 | 中国移动通信有限公司研究院 | Connection configuration method and base station |
| CN109995553B (en) * | 2017-12-29 | 2022-03-25 | 华为技术有限公司 | Communication method, equipment and system thereof |
| CN112256383B (en) * | 2019-07-22 | 2024-04-09 | 深信服科技股份有限公司 | Method, device, equipment and medium for adjusting CPU core number of virtual machine |
| CN115066975B (en) * | 2020-01-28 | 2023-10-31 | 哲库科技(上海)有限公司 | Layer 2 downstream data on-line processing using integrated circuits |
| CN113411365A (en) * | 2020-03-17 | 2021-09-17 | 中国移动通信集团山东有限公司 | Data processing method and device |
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| CN102868643A (en) * | 2012-08-31 | 2013-01-09 | 苏州简约纳电子有限公司 | Long-term evolution (LTE) data surface software architecture |
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| DE10008148A1 (en) * | 2000-02-22 | 2001-08-23 | Bosch Gmbh Robert | Operating method for mobile radio network involves passing failure message from first link control layer protocol unit after receiving a confirmation message from second protocol unit |
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| CN102833217A (en) * | 2011-06-16 | 2012-12-19 | 中兴通讯股份有限公司 | Processing method for client/server application and centralized processing system |
| CN102868643A (en) * | 2012-08-31 | 2013-01-09 | 苏州简约纳电子有限公司 | Long-term evolution (LTE) data surface software architecture |
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