CN102411510A - Method and device for mapping service data streams on virtual machines of multi-core processor - Google Patents
Method and device for mapping service data streams on virtual machines of multi-core processor Download PDFInfo
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- CN102411510A CN102411510A CN2011102753505A CN201110275350A CN102411510A CN 102411510 A CN102411510 A CN 102411510A CN 2011102753505 A CN2011102753505 A CN 2011102753505A CN 201110275350 A CN201110275350 A CN 201110275350A CN 102411510 A CN102411510 A CN 102411510A
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Abstract
The embodiment of the invention relates to a method and a device for mapping service data streams on virtual machines of a multi-core processor. The method for mapping the service data streams on the virtual machines of the multi-core processor comprises the following steps of: creating four mapping tables for the service data streams and the virtual machines, for the virtual machines and kernels, for the kernels and the service data streams and for the kernels and local group numbers; and mapping the service data streams onto different kernels of physical equipment according to the four mapping tables. In the embodiment of the invention, the service data streams can be flexibly allocated to the different kernels of the virtual machines on different physical equipment based on the created mapping tables for the virtual machines, services, the kernels and the local group numbers; moreover, when service requirements are changed, the kernels are dynamically scheduled according to the changing conditions of the services.
Description
Technical field
The present invention relates to virtual machine technique, and more specifically, relate to the method and apparatus of mapping business data flow on the virtual machine of polycaryon processor.
Background technology
Intel Virtualization Technology is between soft, hardware, to introduce a virtual level, and the bottom physical equipment is invented a plurality of virtual machines, and realizes multiplexed to physical equipment through the scheduling to virtual machine.
Along with the generation and the development of Intel Virtualization Technology, the user can create one or more virtual machines on a physical equipment.The a plurality of concrete business of operation on each virtual machine, such as video traffic, HTTP (Hyper Text Transfer Protocol, English abbreviates HTTP as) business etc.Each concrete professional corresponding different service data stream, and the different service data stream is corresponding to different data processing methods.Therefore, when the shared input port of all business data flows, need separate to obtain different processing these different service data stream by the class of business under the business data flow.
In the prior art, certain professional data stream can only be obtained by kernel specific on the virtual machine handling.The mode underaction of this distribution services data stream causes the waste of resource and the loss of performance unavoidably.
Summary of the invention
In view of this; One side of the present invention provides a kind of method of on the virtual machine of polycaryon processor, shining upon business data flow, and said method comprises: create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number; And said business data flow is mapped on the different kernels of physical equipment according to said four mapping tables.
One side of the present invention provides a kind of device that on the virtual machine of polycaryon processor, shines upon business data flow; Said device comprises: create the unit, be used to create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number; Reach map unit, be used for said business data flow being mapped to the different kernels of physical equipment according to said four mapping tables.
The technical scheme of the embodiment of the invention can be assigned to business data flow on the different kernels on the different physical equipments based on four mapping tables between the business data flow of being created and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number neatly.
Description of drawings
Fig. 1 illustration according to the relation between a kind of virtual machine, business and the kernel of the embodiment of the invention.
Fig. 2 illustration on the virtual machine of polycaryon processor, shine upon the method flow diagram of business data flow according to the embodiment of the invention.
Fig. 3 illustration according to a concrete application scenarios of the embodiment of the invention business data flow is mapped to the system schematic on the different kernels.
Fig. 4 illustration according to another embodiment of the present invention on the virtual machine of polycaryon processor the mapping business data flow method flow diagram.
Fig. 5 illustration on the virtual machine of polycaryon processor, shine upon the structure drawing of device of business data flow according to embodiments of the invention.
Embodiment
The detailed description that hereinafter combines accompanying drawing to set forth is intended to explain various embodiment of the present invention, but not represents the present invention only can be embodied as these embodiment.Detailed description comprises detail, well understands of the present invention so that reach.Yet, it will be understood by one of ordinary skill in the art that enforcement of the present invention also can not use these details.In some instance, with form demonstration each well-known structure and assembly of calcspar, in order to avoid desalination is to explanation of the present invention.
Fig. 1 illustration according to the relation between a kind of virtual machine, business and the kernel of the embodiment of the invention.With reference to Fig. 1, two virtual machines 1 and virtual machine 2 are arranged among Fig. 1.Virtual machine 1 is configured on the physical equipment 1, and operation has 3 kernels on the virtual machine 1, i.e. kernel 1-kernel 3, and operation has 3 kernels, i.e. kernel 4-kernel 6 on the virtual machine 2.Can handle the business that is described below on these 6 kernels: the kernel 1 on the virtual machine 1 can processing service data flow 1; Kernel 2 on the virtual machine 1 can processing service data flow 2; Because the demand of business data flow 3 is bigger, therefore, can come processing service data stream 3 with the kernel 3 of virtual machine 1 and the kernel 4 of virtual machine 2; Because the demand of business data flow 4 is also bigger, therefore, can come processing service data stream 4 with kernel 6 with the kernel 5 of virtual machine 2.This shows, can on a plurality of virtual machines, be able to respectively handle, also can just on some virtual machines, be able to handle with a kind of business data flow.In a virtual machine, can handle the multiple business data stream simultaneously.
How below to illustrate through a series of mapping table and realize that virtual machine as shown in Figure 1 handles the corresponding relation of different business data stream.Table 1 to table 4 is a series of mapping tables of realizing that for final corresponding relation shown in Figure 1 is created.
Referring to table 1; Through some field of packet in the inspection business data flow, such as: source Internet protocol (Internet Protocol, English abbreviates IP as) address; Destination slogan etc. decides the virtual machine identity (identification, English abbreviates ID as) under the packet.With source IP is that 3 packet is an example, and can find source IP through table 1 is that 3 packet corresponding service data stream ID is 3, and corresponding virtual machine ID is 1 and 2, and promptly the 4th of correspondence table 1 the row are listed as with the 5th.
Table 1 packet and virtual machine, professional mapping table
| Packets fields (for example source IP) | IP1 | IP2 | IP3 | IP3 | IP4 |
| Business data flow ID | Professional 1 | Professional 2 | Professional 3 | Professional 3 | Professional 4 |
| Virtual machine ID | 1 | 1 | 1 | 2 | 2 |
Each virtual machine can have a plurality of kernels.These kernels can be distributed on the different physical equipments, also can be distributed on the same physical equipment.For the ease of understanding, in the present embodiment, suppose that all kernels on the virtual machine 1 all are distributed on the same physical equipment 1, all kernels on the virtual machine 2 all are distributed on the physical equipment 2.Because exist the kernel on the same virtual machine to be distributed in the situation on the different physical equipments; Therefore different kernels need use medium access control (Media Access Control, English the abbreviates MAC as) address of physical equipment to add the two next common sign of kernel numbering.It is understandable that, be distributed in the situation on the different physical equipment, do not influence the realization of embodiment of the invention technical scheme equally for the different kernels on the same virtual machine.
After obtaining business data flow corresponding virtual machine ID from table 1, can find corresponding kernel according to virtual machine ID through table 2.Kernel adds that by the MAC Address of physical equipment the numbering of kernel identifies jointly.For example, from table 1, having found business data flow ID and be 3 business data flow corresponding virtual machine ID is 1 and 2, and can find virtual machine ID through table 2 so is that 1 and 2 the corresponding kernel of virtual machine has 6, and these kernels are as shown in the 2nd row of table 2 are listed as with the 3rd.
Table 2 virtual machine and kernel mappings table
On the other hand, be 3 data stream in order confirm to use which kernel on the virtual machine 1 and 2 to come processing service data to flow ID, also need question blank 3.What table 3 was represented is the mapping relations between kernel and the business.According to table 3, inquiring and can being used for processing service data stream ID is that the kernel of 3 business data flow is that MAC Address is that kernel 3 and MAC Address on 1 the physical equipment is the kernel 4 on 2 the physical equipment, promptly as shown in the 4th row of table 3 are listed as with the 5th.
Table 3, kernel and professional mapping table
Therefore, the Query Result of table 2 combined with the Query Result of table 3 to seek common ground, and can confirm that business data flow ID is that 3 business data flow is to be that kernel 3 and MAC Address on 1 the physical equipment is the handling of kernel 4 on 2 the physical equipment by MAC Address.
Yet in practical application, as a rule, the data stream input interface of physical equipment can not be known the kernel numbering in global scope.For example, for a certain physical equipment, it can not be known and is numbered 3 kernel and kernel by kernel to be numbered 4 kernel be on which kernel on which physical equipment.Therefore, need divide into groups to kernel in the physical equipment inside of a certain specific part.Kind difference according to business data flow is confirmed different packets.The group number sign is used for handling the kernel grouping of different business data stream.
Shown in the table 4 is the mapping relations of kernel and local group number.Difference in the business data flow kind of handling on by kernel on the physical equipment is divided partial groups.For example, set kernel 1 on the physical equipment 1 and will be used for processing service data stream 1, therefore kernel 1 is assigned to group 1.In like manner, the kernel on the physical equipment 2 is divided into group 2, the kernel on the physical equipment 13 is divided into group 3.For physical equipment 2, kernel 4 is handled a kind of business, and kernel 5 is other a kind of business with kernel 6 processing, so in physical equipment 2, kernel 4 is divided into group 1, kernel 5 and 6 is divided into group 2.Here the group of being mentioned is all distributed in a certain physical equipment inside, and therefore, even if having identical local group number, but based on the difference of residing physical equipment, the kernel of local group number representative is also different.
Through table 4, can accomplish the mapping of kernel to local group number.When data stream arrives the input port of certain particular physical device, can the data stream of different business be distributed on the corresponding physical equipment not on the kernel on the same group.With business data flow ID is that 3 business data flow is an example, learn from table 3, processing service data stream ID be 3 business data flow be that MAC Address is that kernel 3 and MAC Address on 1 the physical equipment is the kernel 4 on 2 the physical equipment.Then, can find through table 4, these two kernels (kernel 3 with kernel 4) are corresponding is that MAC Address is that local group number on 1 the physical equipment is that 3 kernel and MAC Address are that local group number on 2 the physical equipment is 1 kernel.
Table 4, kernel group number mapping table
So far, through the mapping relations of question blank 1-table 4, business data flow will be mapped on the different kernels on the different physical equipments.
When business demand changes, can revise the mapping relations of table 1-table 4 according to situation of change.When professional 4 demand increases such as, the demand when professional 3 reduces, can the relation between virtual machine, kernel and the business be done corresponding adjustment, and revise the mapping relations of table 1-table 4 with adjusted corresponding relation.For example, the demand when professional 3 diminishes simultaneously professional 4 demand quantitative change when big, only manages business 3 just enough with the kernel 3 of virtual machine 1.At this moment, the kernel on the virtual machine 24 also is used for managing business 4,3 kernel 4-6 on the business 4 usefulness virtual machines 2 that demand is big so handle simultaneously.
Therefore, when business demand changes, can come dynamic dispatching services kernel according to situation of change, thus can the abundant better limited interior nuclear resource of reasonable use.
Fig. 2 illustration on the virtual machine of polycaryon processor, shine upon the method flow diagram of business data flow according to embodiments of the invention, this method may further comprise the steps:
202: create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number.
204: said business data flow is mapped on the different kernels of physical equipment according to said four mapping tables.
For the ease of understanding, introduce a concrete application scenarios according to the embodiment of the invention below in conjunction with Fig. 3.
The method of the embodiment of the invention can be applied in the router.A router comprises 3 parts: control plane, Forwarding plane, service plane.Generally speaking, control plane contains a master control borad, and Forwarding plane contains the polylith interface board, and service plane contains the polylith business board.The method of the distribution service data stream of the embodiment of the invention can be accomplished on interface board and business board.Fig. 3 has showed in the system schematic that on the router business data flow is mapped on the different kernels.System comprises: interface board and business board wherein comprise business datum separation module, business data processing module and routing table on the interface board; Comprise service data scheduling module, virtual machine 1 and virtual machine 2 on the business board.
When business data flow gets into interface board through network; At first can business data flow be separated through the business datum separation module; Non-business data flow is directly searched routing table and is forwarded to destination node, and routing table is dynamically generated according to concrete Routing Protocol by master control borad.Isolated business datum flows into the business data processing module.The business data processing module is mapped to the different service data stream on the kernel of different physical equipments according to method shown in Figure 2.
According to the result of mapping, the business data processing module encapsulates the physical equipment MAC Address and the local group number at the kernel place that comprises in the mapping result in the data packet head of business data flow, and the data stream after will encapsulating is forwarded to business board.After packet got into the business board input port, business board used proprietary hardware cell resolution data packet header, obtained the MAC Address and the kernel group number of the physical equipment at the corresponding kernel place of business data flow.Then business data flow is distributed on the kernel of corresponding physical equipment.After business processing was accomplished, all business data flows returned interface board, search routing table and are forwarded to destination node.
Fig. 4 illustration on the virtual machine of polycaryon processor, shine upon the method flow diagram of business data flow according to another embodiment of the present invention, this method may further comprise the steps:
402: create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number;
404: said business data flow is mapped on the different kernels of physical equipment according to said four mapping tables;
406: mapping result is encapsulated in the data packet head of said business data flow;
408: resolve said data packet head to obtain said mapping result; And
410: the mapping result according to said parsing gained is distributed to said business data flow on the corresponding kernel.
Alternatively, when business demand changes, can revise four mapping tables according to situation of change, with dynamic dispatching services kernel, thus can the abundant better limited interior nuclear resource of reasonable use.
Fig. 5 illustration on the virtual machine of polycaryon processor, shine upon the device of business data flow according to embodiments of the invention, said device comprises:
Create unit 502, be used to create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number;
Preferably, create unit 502 and also comprise modification unit 512, be used for revising said four mapping tables, and said business data flow be mapped on the different kernels of physical equipment according to amended said four mapping tables according to the variation of business demand.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; This program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a ROM (read-only memory), disk or CD etc.
Various illustrative logical blocks, unit, circuit, element and/or the assembly of setting forth in conjunction with embodiment disclosed herein can pass through general processor, digital signal processor (Digital Signal Processing; DSP), application specific integrated circuit (Application Specific Integrated Circuit; ASIC), field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic components, discrete gate or transistor logic, discrete hardware components or be designed for its any combination of carrying out function described herein and implement or carry out.General processor can be microprocessor, but another is chosen as, and processor also can be any conventional processors, controller, microcontroller or state machine.Processor also can be embodied as the combination of computation module, the combination of the for example combination of the combination of DSP and microprocessor, a plurality of microprocessors, one or more microprocessor and DSP core or any other this configuration.
The technical scheme of embodiments of the invention can be assigned to business data flow on the different kernels of virtual machine on the different physical equipments based on four mapping tables between the business data flow of being created and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number neatly; And, when business demand changes, come dynamically to dispatch kernel according to the situation of change of business.
More than to provided by the present invention on the virtual machine of polycaryon processor the mapping business data flow method and apparatus carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, therefore, this description should not be construed as limitation of the present invention.
Claims (6)
- One kind on the virtual machine of polycaryon processor the mapping business data flow method, it is characterized in that said method comprises:Create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number; AndAccording to said four mapping tables said business data flow is mapped on the different kernels of physical equipment.
- 2. method according to claim 1 is characterized in that,Also comprise after on the said different kernels that said business data flow are mapped to physical equipment according to said four mapping tables:Mapping result is encapsulated in the data packet head of said business data flow;Resolve said data packet head to obtain said mapping result; AndMapping result according to said parsing gained is distributed to said business data flow on the corresponding kernel.
- 3. method according to claim 1 and 2 is characterized in that,Comprise on the said different kernels that said business data flow are mapped to physical equipment according to said four mapping tables: revise said four mapping tables according to the variation of business demand, and said business data flow is mapped on the different kernels of physical equipment according to amended said four mapping tables.
- One kind on the virtual machine of polycaryon processor the mapping business data flow device, it is characterized in that said device comprises:Create the unit, be used to create four mapping tables between business data flow and virtual machine, said virtual machine and kernel, said kernel and said business data flow and said kernel and the local group number; AndMap unit is used for according to said four mapping tables said business data flow being mapped to the different kernels of physical equipment.
- 5. device according to claim 4 is characterized in that, said device further comprises:Encapsulation unit is used for mapping result is encapsulated in the data packet head of said business data flow;Resolution unit is used to resolve said data packet head to obtain said mapping result; AndDispatching Unit is used for according to the mapping result of said parsing gained said business data flow being distributed to corresponding kernel.
- 6. according to the device of claim 4 or 5, it is characterized in that,Said establishment unit further comprises: revise the unit, be used for revising said four mapping tables according to the variation of business demand, and according to amended said four mapping tables said business data flow be mapped on the different kernels of physical equipment.
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Application publication date: 20120411 |