CN105446892A - Virtualization telecommunication equipment dynamic migration method, device and system - Google Patents

Abstract

The purpose of the present invention is to provide a method, device and system for dynamic migration of virtualized telecommunication equipment. Compared with the prior art, in the present invention, before switching the virtualized telecommunication equipment, the virtual machine corresponding to the virtualized telecommunication equipment to be migrated first obtains the dynamic migration instruction sent by the management equipment, and will correspond to the virtual machine All services of all services are migrated out, and then the migration preparation completion information is sent to the management device, and then the management device executes the live migration of the first virtual machine according to the migration preparation completion information; thereby ensuring that During the dynamic migration process, there is no service interruption or quality degradation, and lossless dynamic migration is realized, and the implementation method is simple, reliable, low-cost and flexible.

Description

A method, device and system for dynamic migration of virtualized telecommunication equipment

technical field

The invention relates to the communication field, in particular to a technology for dynamic migration of virtualized telecommunication equipment.

Background technique

When traditional equipment evolves into a virtualized environment, virtual machines can be used to perform the functions of traditional equipment; although virtual machines can also support dynamic migration, the current technology cannot guarantee lossless virtual machine dynamic migration, which affects service quality. For example, taking telecommunications equipment as an example, after the traditional telecommunications environment evolves into a virtualized environment, the telecommunications equipment becomes a virtual machine and supports dynamic migration; since most telecommunications equipment are designed as real-time systems, network disconnection may occur during dynamic migration. As a result, problems such as dropped calls, brief silence or noise during calls are encountered.

Contents of the invention

The purpose of the present invention is to provide a method, device and system for dynamic migration of virtualized telecommunication equipment.

According to one aspect of the present invention, a method for performing dynamic migration of virtualized telecommunication equipment is provided, wherein the method includes:

a. The management device sends a dynamic migration instruction to the first virtual machine, where the first virtual machine corresponds to the first virtualized telecommunication device to be migrated;

b According to the dynamic migration instruction, the first virtual machine migrates one or more pending services corresponding to the first virtual machine;

c. The first virtual machine sends migration preparation completion information to the management device;

d. According to the migration preparation completion information, the management device executes live migration of the first virtual machine.

According to another aspect of the present invention, there is also provided a first virtual machine for dynamic migration of virtualized telecommunication equipment, wherein the first virtual machine corresponds to the first virtualized telecommunication equipment to be migrated, the Equipment includes:

an instruction acquiring device, configured to acquire a live migration instruction sent by a management device, wherein the management device corresponds to the first virtual machine;

a preparation device, configured to migrate one or more pending services corresponding to the first virtual machine according to the live migration instruction;

The preparation sending means is used for sending migration preparation completion information to the management device.

According to yet another aspect of the present invention, a management device for assisting live migration of virtualized telecommunication devices is also provided, wherein the device includes:

An instruction sending device, configured to send a dynamic migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machines correspond to the first virtualized telecommunication device to be migrated;

a preparation obtaining device, configured to obtain migration preparation completion information sent by the first virtual machine;

Executing means, configured to execute live migration of the first virtual machine according to the migration preparation completion information.

According to still another aspect of the present invention, a system for live migration of virtualized telecommunication equipment is also provided, including the first virtual machine as described above, and the management device as described above, wherein the The first virtual machine corresponds to a first virtualized telecommunications device to be migrated.

Compared with the prior art, in the present invention, before switching the virtualized telecommunication equipment, the virtual machine corresponding to the virtualized telecommunication equipment to be migrated first obtains the dynamic migration instruction sent by the management equipment, and will correspond to the virtual machine All services of all services are migrated out, and then the migration preparation completion information is sent to the management device, and then the management device executes the live migration of the first virtual machine according to the migration preparation completion information; thereby ensuring that During the dynamic migration process, there is no service interruption or quality degradation, and the lossless dynamic migration is realized, and the implementation method is simple, reliable, low-cost and flexible.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 shows a schematic diagram of a first virtual machine and a management device for live migration of virtualized telecommunication equipment according to one aspect of the present invention;

Fig. 2 shows a schematic diagram of a first virtual machine and a management device used for dynamic migration of virtualized telecommunication equipment according to a preferred embodiment of the present invention;

FIG. 3 shows a flow chart of a method for dynamic migration of virtualized telecommunication equipment by a first virtual machine in cooperation with a management device according to another aspect of the present invention;

Fig. 4 shows a flow chart of a method for live migration of virtualized telecommunication equipment by cooperating with a first virtual machine and a management device according to a preferred embodiment of the present invention.

The same or similar reference numerals in the drawings represent the same or similar components.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings.

FIG. 1 shows a schematic diagram of a first virtual machine and a management device for live migration of virtualized telecommunication equipment according to one aspect of the present invention; wherein, the first virtual machine 1 includes an instruction obtaining device 11 and a preparation device 12 . The preparation sending means 13, the management device 2 includes an instruction sending means 21, a preparation obtaining means 22, and an execution means 23, and the first virtual machine 1 corresponds to the first virtualized telecommunication device to be migrated. Specifically, the instruction sending unit 21 of the management device 2 sends the live migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machines correspond to the first virtual machines to be migrated. virtualized telecommunication equipment; correspondingly, the instruction obtaining unit 11 of the first virtual machine 1 obtains the live migration instruction sent by the management device, wherein the management device corresponds to the first virtual machine; the first The preparation device 12 of the virtual machine 1 migrates one or more pending services corresponding to the first virtual machine according to the live migration instruction; the preparation sending device 13 of the first virtual machine 1 sends migration preparation completion information to the management device; correspondingly, the preparation obtaining means 22 of the management device 2 acquires the migration preparation completion information sent by the first virtual machine; the execution means 23 of the management device 2 according to the migration preparation completion information , performing live migration of the first virtual machine.

Here, the management device includes, but is not limited to, any network device that can execute the function of a virtual machine manager; wherein, the network device includes a device that can automatically perform numerical calculations and information according to preset or stored instructions. Processing electronic equipment, whose hardware includes but not limited to microprocessors, application specific integrated circuits (ASICs), programmable gate arrays (FPGAs), digital processors (DSPs), embedded devices, etc. The network device includes but is not limited to a computer, a network host, a single network server, a plurality of network server sets or a cloud composed of multiple servers; here, the cloud is composed of a large number of computers or network servers based on Cloud Computing, Among them, cloud computing is a kind of distributed computing, a virtual supercomputer composed of a group of loosely coupled computer sets.

The first virtual machine includes but is not limited to any kind of virtualized telecommunication equipment; wherein, the first virtual machine includes a base station virtual machine, such as a 2G base station, a 3G base station, an LTE macro base station, a micro base station, etc., which have very high real-time requirements Telecom equipment virtual machine. Here, those skilled in the art should understand that the present invention may use one or more first virtual machines to replace the functions of the telecommunication equipment; for example, the base station virtual machine may correspond to a single cell, that is, multiple base station virtual machines are required Working together to realize all functions of a base station corresponding to multiple cells, or, the base station virtual machine may correspond to multiple cells, that is, only using the base station virtual machine can realize a base station corresponding to multiple cells all functions.

The network includes, but is not limited to, the Internet, a wide area network, a metropolitan area network, a local area network, a VPN network, a wireless ad hoc network (AdHoc network) and the like. Those skilled in the art should understand that other management devices and/or first virtual machines are also applicable to the present invention, and should also be included in the protection scope of the present invention, and are included here by reference.

The instruction sending unit 21 of the management device 2 sends a dynamic migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machines correspond to the first virtualized telecommunications equipment.

Specifically, when the management device 2 is about to start the migration of the first virtual machine, the instruction sending unit 21 sends a live migration instruction indicating “start dynamic migration” through a corresponding transmission interface based on various transmission protocols. An instruction is sent to one or more first virtual machines corresponding to the management device; wherein, the first virtual machines here are the first virtualized telecommunication devices to be migrated.

Correspondingly, the instruction obtaining module 11 of the first virtual machine 1 obtains the live migration instruction sent by the management device, wherein the management device corresponds to the first virtual machine.

Specifically, the instruction obtaining module 11 obtains the live migration instruction indicating "start live migration" sent by the management device corresponding to the first virtual machine through a corresponding transmission interface based on various transmission protocols.

The preparation device 12 of the first virtual machine 1 migrates one or more pending services corresponding to the first virtual machine according to the live migration instruction.

Specifically, after the first virtual machine 1 receives the live migration instruction, the preparation device 12 transfers one or more pending services corresponding to the first virtual machine according to the live migration instruction Migrate, for example, switching the pending service being processed by the first virtual machine to other telecommunication equipment or other telecommunication equipment virtual machines through soft handover, and/or switching the newly established service of the first virtual machine The request or the newly forwarded request is switched to other telecommunication equipment or other telecommunication equipment virtual machines through soft switching. Wherein, the other telecommunication device or other telecommunication device virtual machine may be an adjacent device, or may be another device for assuming a relay function during handover.

Preferably, the preparation device 12 may switch one or more services to be processed corresponding to the first virtual machine to the second virtual machine according to the live migration instruction, wherein the services to be processed include the current one or more services being processed, the second virtual machine corresponds to a second virtualized telecommunications device; according to the live migration instruction, prohibiting one or more pending services corresponding to the first virtual machine, Wherein, the service to be processed includes a new service request.

Specifically, after the first virtual machine 1 receives the live migration instruction, the preparation device 12 converts one or more activated Service soft switching to the second virtual machine, wherein the second virtual machine is, for example, an adjacent telecommunication device or a virtual machine of an adjacent telecommunication device; at the same time, the preparation means 12 prohibits the creation of a new virtual machine corresponding to the first virtual machine 1 service requests, and reject new service requests switched from other telecommunication devices (such as base stations) or virtualized telecommunication devices to the first virtual machine 1 .

Here, the second virtual machine corresponds to a second virtualized telecommunication device, and the second virtualized telecommunication device may be the same as or different from the first virtualized telecommunication device. For example, if the first virtual machine is a base station virtual machine corresponding to one or more cells, the second virtual machine may also be a base station virtual machine corresponding to one or more cells.

The preparation sending means 13 of the first virtual machine 1 sends migration preparation completion information to the management device.

Specifically, when the migration of the preparation device 12 is completed, the preparation sending device 13 sends the migration preparation completion information indicating "ready for dynamic migration" to the management system through the corresponding transmission interface based on various transmission protocols. equipment.

Correspondingly, the preparation obtaining module 22 of the management device 2 obtains the migration preparation completion information sent by the first virtual machine through a corresponding transmission interface based on various transmission protocols.

The execution unit 23 of the management device 2 executes the live migration of the first virtual machine according to the migration preparation completion information.

Specifically, after the management device 2 obtains the migration preparation completion information, the management device 2 learns that the migration of the service to be processed by the first virtual machine has been completed, so that the execution unit 23 starts to execute the first virtual machine. Live migration of the virtual machine, so as to complete the lossless live migration of the first virtual machine.

FIG. 2 shows a schematic diagram of a first virtual machine and a management device for live migration of virtualized telecommunication equipment according to a preferred embodiment of the present invention; wherein, the first virtual machine 1 includes an instruction acquisition device 11', Preparation means 12', preparation sending means 13', completion acquisition means 14', recovery means 15', the management device 2 includes instruction sending means 21', preparation acquisition means 22', execution means 23', completion sending means 24' , the first virtual machine 1 corresponds to the first virtualized telecommunication device to be migrated. Specifically, the instruction sending unit 21' of the management device 2 sends the live migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machine corresponds to the first virtual machine to be migrated A virtualized telecommunication device; correspondingly, the instruction obtaining means 11' of the first virtual machine 1 obtains the live migration instruction sent by the management device, wherein the management device corresponds to the first virtual machine; the The preparation device 12' of the first virtual machine 1 migrates one or more pending services corresponding to the first virtual machine according to the live migration instruction; the preparation sending device 13' of the first virtual machine 1 sends Migration preparation completion information to the management device; correspondingly, the preparation acquisition means 22' of the management device 2 obtains the migration preparation completion information sent by the first virtual machine; the execution means 23' of the management device 2 according to The migration preparation completion information is to execute the live migration of the first virtual machine; when the management device 2 completes the live migration of the first virtual machine, the completion sending unit 24' of the management device 2 sends The migration completion information is sent to the first virtual machine; correspondingly, the completion acquisition means 14' of the first virtual machine 1 acquires the migration completion information sent by the management device; the recovery means 15 of the first virtual machine 1 'According to the migration completion information, resume processing one or more pending services corresponding to the first virtual machine.

Wherein, the instruction acquisition means 11', the preparation means 12', and the preparation sending means 13' of the first virtual machine 1, the instruction sending means 21', the preparation acquisition means 22', the execution means 23' of the management device 2 and The corresponding devices shown in FIG. 1 are the same or substantially the same, so they will not be repeated here, and are included here by reference.

After the management device 2 completes the live migration of the first virtual machine, the completion sending unit 24' of the management device 2 sends migration completion information to the first virtual machine.

Specifically, when the dynamic migration of the first virtual machine by the management device 2 is completed, the completion sending means 24' will indicate the migration of "complete the dynamic migration" through the corresponding transmission interface based on various transmission protocols. The completion information is sent to the first virtual machine. Here, those skilled in the art should understand that if there are other related telecommunication equipment or telecommunication equipment virtual machines that need to obtain the migration completion information, the completion sending means 24' may also send the migration completion indicating "complete live migration" Information is sent to the associated device.

Correspondingly, the completion obtaining means 14' of the first virtual machine 1 obtains the migration completion information sent by the management device through a corresponding transmission interface based on various transmission protocols.

The restoring means 15' of the first virtual machine 1 restores and processes one or more pending services corresponding to the first virtual machine according to the migration completion information.

Specifically, after the first virtual machine 1 obtains the migration completion information, the recovery device 15' restores the first virtual machine 1 to the normal working mode, so as to process the One or more pending services for .

Fig. 3 shows a flow chart of a method for live migration of virtualized telecommunication equipment by cooperating with a first virtual machine and a management device according to another aspect of the present invention. Specifically, in step S1, the management device 2 sends a live migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machines correspond to the first virtual machines to be migrated. virtualized telecommunication equipment; correspondingly, in step S1, the first virtual machine 1 obtains the live migration instruction sent by the management device, wherein the management device corresponds to the first virtual machine; in step S2 , the first virtual machine 1 migrates one or more pending services corresponding to the first virtual machine according to the live migration instruction; in step S3, the first virtual machine 1 sends a migration preparation complete information to the management device; correspondingly, in step S3, the management device 2 obtains the migration preparation completion information sent by the first virtual machine; in step S4, the management device 2 according to the migration preparation The information is completed, and live migration of the first virtual machine is performed.

In step S1, the management device 2 sends a live migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machines correspond to the first virtualized telecommunications equipment.

Specifically, when the management device 2 is ready to start the migration of the first virtual machine, in step S1, the management device 2 sends an instruction "Start dynamic migration" through a corresponding transmission interface based on various transmission protocols. ” to one or more first virtual machines corresponding to the management device; wherein, the first virtual machines here are the first virtualized telecommunication devices to be migrated.

Correspondingly, in step S1, the first virtual machine 1 obtains the live migration instruction sent by the management device, wherein the management device corresponds to the first virtual machine.

Specifically, in step S1, the first virtual machine 1 obtains the instruction "start dynamic migration" sent by the management device corresponding to the first virtual machine through a corresponding transmission interface based on various transmission protocols. " Live migration directive.

In step S2, the first virtual machine 1 migrates one or more pending services corresponding to the first virtual machine according to the live migration instruction.

Specifically, after the first virtual machine 1 receives the live migration instruction, in step S2, the first virtual machine 1 transfers the One or more services to be processed are migrated, for example, the service to be processed by the first virtual machine is switched to other telecommunication equipment or other telecommunication equipment virtual machines through soft handover, and/or the A new establishment request or a newly forwarded request of the first virtual machine is switched to other telecommunication equipment or other telecommunication equipment virtual machines through soft switching. Wherein, the other telecommunication device or other telecommunication device virtual machine may be an adjacent device, or may be another device for assuming a relay function during handover.

Preferably, in step S2, the first virtual machine 1 may switch one or more pending services corresponding to the first virtual machine to the second virtual machine according to the live migration instruction, wherein, The service to be processed includes one or more services currently being processed, and the second virtual machine corresponds to the second virtualized telecommunication device; according to the dynamic migration instruction, prohibiting a service corresponding to the first virtual machine or multiple pending services, wherein the pending services include new service requests.

Specifically, after the first virtual machine 1 receives the live migration instruction, in step S2, the first virtual machine 1 transfers the first virtual machine to the One or more activated services of 1 are soft-switched to a second virtual machine, wherein the second virtual machine is, for example, an adjacent telecommunication device or an adjacent telecommunication device virtual machine; at the same time, the first virtual machine 1 prohibits the corresponding The first virtual machine 1 creates a new service request, and rejects a new service request switched to the first virtual machine 1 from other telecommunication equipment (such as a base station) or a virtualized telecommunication equipment.

Here, the second virtual machine corresponds to a second virtualized telecommunication device, and the second virtualized telecommunication device may be the same as or different from the first virtualized telecommunication device. For example, if the first virtual machine is a base station virtual machine corresponding to one or more cells, the second virtual machine may also be a base station virtual machine corresponding to one or more cells.

In step S3, the first virtual machine 1 sends migration preparation completion information to the management device.

Specifically, after the migration in step S2 is completed, in step S3, the first virtual machine 1 sends a migration preparation completion message indicating "ready for live migration" through the corresponding transmission interface based on various transmission protocols. information to the management device.

Correspondingly, in step S3, the management device 2 obtains the migration preparation completion information sent by the first virtual machine through a corresponding transmission interface based on various transmission protocols.

In step S4, the management device 2 executes live migration of the first virtual machine according to the migration preparation completion information.

Specifically, after the management device 2 obtains the migration preparation completion information, the management device 2 learns that the migration of the service to be processed by the first virtual machine has been completed, so in step S3, the management device 2 starts Live migration of the first virtual machine is performed, thereby completing lossless live migration of the first virtual machine.

Fig. 4 shows a flow chart of a method for live migration of virtualized telecommunication equipment by cooperating with a first virtual machine and a management device according to a preferred embodiment of the present invention. Specifically, in step S1', the management device 2 sends a live migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machine corresponds to the first virtual machine to be migrated A virtualized telecommunication device; correspondingly, in step S1', the first virtual machine 1 obtains the live migration instruction sent by the management device, wherein the management device corresponds to the first virtual machine; in step In S2', the first virtual machine 1 migrates one or more pending services corresponding to the first virtual machine according to the live migration instruction; in step S3', the first virtual machine 1 Send migration preparation completion information to the management device; correspondingly, in step S3', the management device 2 obtains the migration preparation completion information sent by the first virtual machine; in step S4', the management device 2. Execute the live migration of the first virtual machine according to the migration preparation completion information; when the management device 2 completes the live migration of the first virtual machine, in step S5', the management device 2 2. Send migration completion information to the first virtual machine; correspondingly, in step S5', the first virtual machine 1 acquires the migration completion information sent by the management device; in step S6', the first virtual machine A virtual machine 1 resumes processing one or more pending services corresponding to the first virtual machine according to the migration completion information.

Wherein, the step S1', the step S2', the step S3', and the step S4' are the same or basically the same as the corresponding steps shown in FIG. this.

After the management device 2 completes the live migration of the first virtual machine, in step S5', the management device 2 sends migration completion information to the first virtual machine.

Specifically, after the management device 2 completes the dynamic migration of the first virtual machine, in step S5', the management device 2 will indicate "Complete the dynamic migration" through the corresponding transmission interface based on various transmission protocols. The migration completion information of "Migration" is sent to the first virtual machine. Here, those skilled in the art should understand that if there are other related telecommunication equipment or telecommunication equipment virtual machines that need to obtain the migration completion information, the completion sending means 24' may also send the migration completion indicating "complete live migration" Information is sent to the associated device.

Correspondingly, in step S5', the first virtual machine 1 obtains the migration completion information sent by the management device through a corresponding transmission interface based on various transmission protocols.

In step S6', the first virtual machine 1 resumes processing one or more pending services corresponding to the first virtual machine according to the migration completion information.

Specifically, after the first virtual machine 1 obtains the migration completion information, in step S6', the first virtual machine 1 restores the first virtual machine 1 to the normal working mode to process the One or more services to be processed corresponding to the first virtual machine.

Table 1 shows the estimated duration of dynamic migration under the conditions of using the prior art and the present invention respectively.

Table 1 Estimated duration of dynamic migration

Table 2 further shows the estimation of migration time for each step in the present invention.

Table 2 Estimated duration of dynamic migration

For the present invention, due to the addition of the service cut-out process, the overall time will be slightly longer than the dynamic migration under the prior art; however, the present invention corresponds to the virtualized telecommunication equipment to be migrated The virtual machine first obtains the live migration command sent by the management device, and migrates all the services corresponding to the virtual machine out, and then sends the migration preparation completion information to the management device, and then the management device according to the The migration preparation completion information is executed to perform the live migration of the first virtual machine, and when the migration is completed, the management device sends the migration completion information to the first virtual machine to restore the first virtual machine normal working condition. Therefore, the present invention realizes the lossless migration of the virtualized telecommunication equipment, so the increased migration time is acceptable.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned. In addition, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means stated in the device claims may also be realized by one unit or device through software or hardware. The words first, second, etc. are used to denote names and do not imply any particular order.

Claims (13)

1. A method for dynamic migration of virtualized telecommunication equipment, wherein the method comprises: a. The management device sends a dynamic migration instruction to the first virtual machine, where the first virtual machine corresponds to the first virtualized telecommunication device to be migrated; b According to the dynamic migration instruction, the first virtual machine migrates one or more pending services corresponding to the first virtual machine; c. The first virtual machine sends migration preparation completion information to the management device; d. According to the migration preparation completion information, the management device executes live migration of the first virtual machine. 2. The method according to claim 1, wherein the method further comprises: - after the management device completes the live migration of the first virtual machine, the management device sends migration completion information to the first virtual machine; - According to the migration completion information, the first virtual machine resumes processing one or more pending services corresponding to the first virtual machine. 3. The method according to claim 1 or 2, wherein said step b comprises: -according to the live migration instruction, the first virtual machine switches one or more pending services corresponding to the first virtual machine to the second virtual machine, wherein the pending services include currently processing One or more services of, wherein the second virtual machine corresponds to a second virtualized telecommunications device; - According to the live migration instruction, the first virtual machine prohibits one or more pending services corresponding to the first virtual machine, wherein the pending services include a new service request. 4. The method according to any one of claims 1 to 3, wherein the first virtual machine comprises a base station virtual machine. 5. The method according to claim 4, wherein the base station virtual machine corresponds to one or more cells. 6. A first virtual machine for live migration of virtualized telecommunication equipment, wherein the first virtual machine corresponds to the first virtualized telecommunication equipment to be migrated, the equipment comprising: an instruction acquiring device, configured to acquire a live migration instruction sent by a management device, wherein the management device corresponds to the first virtual machine; a preparation device, configured to migrate one or more pending services corresponding to the first virtual machine according to the live migration instruction; The preparation sending means is used for sending migration preparation completion information to the management device. 7. The first virtual machine according to claim 6, wherein the device further comprises: completion obtaining means, configured to obtain the migration completion information sent by the management device; A restoring device, configured to restore and process one or more pending services corresponding to the first virtual machine according to the migration completion information. 8. The first virtual machine according to claim 6 or 7, wherein the preparation device is used for: - switching one or more services to be processed corresponding to the first virtual machine to a second virtual machine according to the live migration instruction, wherein the services to be processed include one or more services currently being processed , the second virtual machine corresponds to a second virtualized telecommunication device; - Prohibiting one or more pending services corresponding to the first virtual machine according to the live migration instruction, wherein the pending services include a new service request. 9. The first virtual machine according to any one of claims 6 to 8, wherein the first virtual machine comprises a base station virtual machine. 10. The first virtual machine according to claim 9, wherein the base station virtual machine corresponds to one or more cells. 11. A management device for assisting live migration of virtualized telecommunication equipment, wherein the device comprises: An instruction sending device, configured to send a dynamic migration instruction to one or more first virtual machines corresponding to the management device, wherein the first virtual machines correspond to the first virtualized telecommunication device to be migrated; a preparation obtaining device, configured to obtain migration preparation completion information sent by the first virtual machine; Executing means, configured to execute live migration of the first virtual machine according to the migration preparation completion information. 12. The management device according to claim 11, wherein the device further comprises: The completion sending means is configured to send migration completion information to the first virtual machine after the management device completes the live migration of the first virtual machine. 13. A system for live migration of virtualized telecommunication equipment, comprising the first virtual machine according to any one of claims 6 to 10, and the management device according to claim 11 or 12, wherein , the first virtual machine corresponds to the first virtualized telecommunications device to be migrated.