WO2011127858A2

WO2011127858A2 - Flow control method and apparatus

Info

Publication number: WO2011127858A2
Application number: PCT/CN2011/074198
Authority: WO
Inventors: 习燕; 战永强; 柳军
Original assignee: 华为技术有限公司
Priority date: 2011-05-17
Filing date: 2011-05-17
Publication date: 2011-10-20
Also published as: WO2011127858A3; CN102301783A

Abstract

Provided in the embodiments of the present invention are flow control methods and apparatuses, wherein a method includes the following steps: a mobility management device at a Circuit Switching (CS) domain obtains processing capacity information of the mobility management device at the CS domain; and, when load of the mobility management device at the CS domain is larger than or equal to a preset load threshold, the mobility management device at the CS domain transmits an overload message to an access network device, wherein the overload message includes the processing capacity information of the mobility management device at the CS domain, so that the access network device performs the flow control to an originating service at the CS domain. The embodiments of the present invention can save network resources, and improve the efficiency of the flow control.

Description

Flow control method and device

Technical field

The embodiments of the present invention relate to communication technologies, and in particular, to a flow control method and apparatus. Background technique

In the mobile communication network, when the access network device is overloaded, the access network device may send an overload (overload) message to the mobility management device of the Circuit Switching (CS) domain, indicating the mobility management device of the circuit switched domain. Reduce business volume. The mobility management of the circuit switched domain can reduce the amount of traffic accordingly after receiving the overload message.

However, although the mobility management device of the circuit switched domain reduces part of the traffic, it is still possible to send a service request that exceeds the processing capability of the access network device, which still causes the access network device to be overloaded, thereby wasting network resources. Reduce the efficiency of flow control. Accordingly, similar problems exist when the mobility management device of the circuit switching domain is overloaded. Summary of the invention

Embodiments of the present invention provide a flow control method and apparatus to save network resources and improve the efficiency of flow control.

In one aspect, a flow control method is provided, including:

The mobility management device of the circuit switched domain acquires processing capability information of the mobility management device of the circuit switched domain;

When the load of the mobility management device of the circuit switched domain is greater than or equal to a preset load threshold, the mobility management device of the circuit switched domain sends an overload message to the access network device, where the overload message includes the circuit switch The processing capability information of the mobility management device of the domain, so that the access network device performs flow control on the originating service of the circuit switched domain.

On the other hand, another flow control method is provided, including: The access network device receives an overload message sent by the mobility management device of the circuit switched domain, where the overload message includes processing capability information of the mobility management device of the circuit switched domain;

The access network device performs flow control on the originating service of the circuit switched domain according to the processing capability information of the mobility management device of the circuit switched domain.

In another aspect, another flow control method is provided, including:

The access network device obtains processing capability information of the access network device;

When the load of the access network device is greater than or equal to a preset load threshold, the access network device sends an overload message to the mobility management device of the circuit switched domain, where the overload message includes the access network device The capability information is processed to enable the mobility management device of the circuit switched domain to perform flow control on the circuit switched domain terminating service.

On the other hand, another flow control method is provided, including:

The mobility management device of the circuit switching domain receives an overload message sent by the access network device, where the overload message includes processing capability information of the access network device;

The mobility management device of the circuit switched domain performs flow control on the circuit switched domain termination service according to the processing capability information of the access network device.

In another aspect, a mobility management device for a circuit switched domain is provided, including:

An acquiring module, configured to acquire processing capability information of a mobility management device of the circuit switched domain, and a sending module, configured to: when a load of a mobility management device of the circuit switched domain is greater than or equal to a preset load threshold, The network device sends an overload message, where the overload message includes processing capability information of the mobility management device of the circuit switched domain acquired by the acquiring module, so that the access network device performs flow control on the circuit switched domain originating service.

In another aspect, an access network device is provided, including:

a receiving module, configured to receive an overload message sent by a mobility management device of the circuit switched domain, where the overload message includes processing capability information of the mobility management device of the circuit switched domain;

And a control module, configured to perform flow control on the circuit switched domain originating service according to the processing capability information of the mobility management device of the circuit switched domain included in the overload message received by the receiving module. In another aspect, another access network device is provided, including:

An obtaining module, configured to acquire processing capability information of the access network device;

a sending module, configured to: when the load of the access network device is greater than or equal to a preset load threshold, send an overload message to the mobility management device of the circuit switched domain, where the overload message includes the access acquired by the acquiring module The processing capability information of the network device is such that the mobility management device of the circuit switched domain performs flow control on the circuit switched domain termination service.

Another aspect provides a mobility management device for another circuit switched domain, including:

a receiving module, configured to receive an overload message sent by the access network device, where the overload message includes processing capability information of the access network device;

And a control module, configured to perform flow control on the circuit switched domain termination service according to the processing capability information of the access network device included in the overload message received by the receiving module.

It can be seen from the above technical solutions that the embodiments of the present invention can save network resources and improve the efficiency of flow control. DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a schematic flowchart of a flow control method according to Embodiment 1 of the present invention; FIG. 2 is an overload diagram of a mobility management device sent by a circuit switching domain to an access network device according to a flow control method according to Embodiment 1 of the present invention; A schematic diagram of the format of the cells contained in the message;

FIG. 3 is a schematic flowchart of another flow control method according to Embodiment 2 of the present invention; FIG. 4 is a schematic flowchart of another flow control method according to Embodiment 3 of the present invention; A flow chart of a flow control method according to another embodiment of the present invention; FIG. 6 is a schematic structural diagram of a mobility management device of a circuit switched domain according to Embodiment 5 of the present invention; Intention

FIG. 7 is a schematic structural diagram of an access network device according to Embodiment 6 of the present invention;

FIG. 8 is a schematic structural diagram of another access network device according to Embodiment 7 of the present invention; FIG. 9 is a schematic structural diagram of another mobility management device of a circuit switched domain according to Embodiment 8 of the present invention. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a schematic flowchart of a flow control method according to Embodiment 1 of the present invention. As shown in FIG. 1 , the flow control method in this embodiment may include:

101. The mobility management device of the circuit switched domain obtains processing capability information of the mobility management device of the circuit switched domain.

The processing capability information of the mobility management device in the circuit switched domain may be a traffic that can be processed by the mobility management device in the circuit switched domain per unit time.

102. When the load of the mobility management device in the circuit switched domain is greater than or equal to a preset load threshold, the mobility management device of the circuit switched domain sends an overload message to the access network device, where the overload message includes the circuit switched domain. The processing capability information of the mobile management device is such that the access network device performs flow control on the originating service of the circuit switched domain.

The foregoing circuit switched domain originating service may include at least one of an originating call, an originating short message, and a location update. The processing capability information of the mobility management device of the circuit switched domain may be, for example, the amount of traffic that can be processed in a unit time, and the information may be carried in the overload message in the form of a cell. For example, the amount of traffic that can be processed per second is used as the processing capability information of the mobility management device. For example, an information element (IE) indicating the processing capability information in the overload message may be as shown in Table 1.

Table 1 Cells included in the overload message sent by the mobility management device of the circuit switched domain to the access network device

Each of the above cells can occupy 3 bytes (octet), the cell identification code occupies 1 byte, and the number of times occupies 2 bytes, as shown in FIG. 2 . It can be understood that: the above overload message may include at least one cell in Table 1.

Those skilled in the art can understand that: only the cells related to the embodiment of the present invention are listed in Table 1. The other cells in the overload message sent by the mobility management device of the circuit switched domain to the access network device can be referred to There is related content in the technology, and will not be described here.

In this embodiment, the processing capability information of the mobility management device of the circuit switched domain is obtained by the mobility management device of the circuit switched domain, and the circuit switching is performed when the load of the mobility management device of the circuit switched domain is greater than or equal to a preset load threshold. The mobility management device of the domain sends an overload message containing the acquired processing capability information of the mobility management device of the circuit switched domain to the access network device, so that the access network device can process the capability information according to the mobility management device of the circuit switched domain Flow control of the originating service of the circuit switched domain can save network resources and improve the efficiency of flow control.

The flow control method of this embodiment can be applied to various mobile communication networks, for example, a Global System for Mobile Communications (GSM) network, a Code Division Multiple Access (CDMA) network, and a universal Mobile A network such as a Universal Mobile Telecommunication System (UMTS) network or an Evolved Packet System (EPS) network.

The access network device may be a Base Station Controller (BSC) in the GSM/CDMA network, or may be a Radio Network Controller (RNC) in the UMTS network, or may be an EPS. A device such as an Evolved NodeB (eNB) or a Home Evolved NodeB (HeNB) in the network.

The mobility management device of the circuit switched domain may be a device such as a Mobile Switching Center (MSC) in the GSM/CDMA/UMTS/EPS network.

FIG. 3 is a schematic flowchart of another flow control method according to Embodiment 2 of the present invention, as shown in FIG.

As shown in FIG. 3, the flow control method of this embodiment may include:

301. The access network device receives an overload message sent by a mobility management device in the circuit switched domain, where the overload message includes processing capability information of the mobility management device in the circuit switched domain.

For example: when the load of the mobility management device of the circuit switched domain is greater than or equal to a preset load threshold, the access network device receives the processing capability of the mobility management device that includes the circuit switched domain sent by the mobility management device of the circuit switched domain. Overload message for information.

The processing capability information of the mobility management device in the circuit switched domain may be, for example, a traffic that can be processed by the mobility management device in the circuit switched domain per unit time. This information can be carried in the overload message in the form of a cell. For example, as the processing capability information of the mobility management device is used as the processing capability information of the mobility management device, the cells indicating the processing capability information in the overload message may be as shown in Table 1. Each of the above cells may occupy 3 bytes (octet), and the cell identification code occupies 1 byte, and the number of times is 2 bytes, as shown in FIG. It can be understood that: the above overload message may include at least one cell in Table 1.

Those skilled in the art can understand that: only the cells related to the embodiment of the present invention are listed in Table 1, and other cells in the overload message sent by the mobility management device of the circuit switched domain received by the access network device can be referred to. Related content in the prior art is not described here. 302. The access network device performs flow control on the originating service of the circuit switched domain according to the processing capability information of the mobility management device in the circuit switched domain.

The foregoing circuit switched domain originating service may include at least one of an originating call, an originating short message, and a location update.

Specifically, the access network device may perform flow control on the originating service of the circuit switched domain according to the amount of traffic that can be processed in the unit management time of the mobility management device of the circuit switched domain. For example: when the amount of traffic of the circuit switched domain originating service sent by the access network device to the mobility management device of the circuit switched domain per unit time reaches the traffic volume that can be processed by the mobile management device of the circuit switched domain in a unit time, The access network device rejects the subsequent circuit switched domain originating service.

In this embodiment, the access network device receives an overload message of the processing capability information of the mobility management device that is sent by the mobility management device of the circuit switched domain, so that the access network device can be based on the circuit switched domain. The processing capability information of the mobility management device performs flow control on the originating service of the circuit switched domain, which can save network resources and improve the efficiency of flow control.

The flow control method of this embodiment can be applied to various mobile communication networks, for example, a Global System for Mobile Communications (GSM) network, a Code Division Multiple Access (CDMA) network, and a universal A network such as a Universal Mobile Telecommunication System (UMTS) network or an Evolved Packet System (EPS) network.

4 is a schematic flowchart of still another flow control method according to Embodiment 3 of the present invention, as shown in FIG. As shown in FIG. 4, the flow control method of this embodiment may include:

401. The access network device acquires processing capability information of the access network device.

The processing capability information of the access network device may be a service volume that can be processed by the access network device per unit time.

For example, for paging services, first, the access network device can obtain the number of pages that can be processed per unit time in each cell under each jurisdiction under its jurisdiction; second, the access network device uses each location area. The number of pages that can be processed per unit time in the largest cell is taken as the number of pages that can be processed per unit time in the location area; finally, the access network device processes pages that can be processed in a unit time in all location areas. The sum of the times is used as the number of times the access network device can process the paging time.

For example, for the ingress handover, the access network device may use a predetermined proportion of the number of pages that can be processed in the unit time of the access network device (for example, 15%) as the access network device can process in a unit time. The number of times the switch was entered.

The access network device sends an overload message to the mobility management device of the circuit switched domain, where the overload message includes the processing capability information of the access network device, when the load of the access network device is greater than or equal to a preset load threshold. In order to enable the mobility management device of the circuit switched domain to perform flow control on the circuit switched domain termination service.

The foregoing circuit switched domain termination service may include at least one of a paging and an ingress handover. The processing capability information of the access network device, for example, may be a traffic volume that can be processed per unit time, and the information may be a letter. The form of the element is carried in the overload message. For example, the processing capability information can be processed as the processing capability information in the overload message as shown in Table 2.

Table 2 Cells included in the overload message sent by the access network device to the mobility management device of the circuit switched domain

(Permitted HO Request Times

Per Second )

Number of pages that can be processed per second 1111 0111 3 bytes Optional (0) (Permitted Paging Times

Per Second )

Each of the above cells can occupy 3 bytes (octet), the cell identification code occupies 1 byte, and the number of times occupies 2 bytes, as shown in FIG. 2 .

Those skilled in the art can understand that: in Table 2, only the cells related to the embodiment of the present invention are listed, and other cells in the overload message sent by the mobility management device of the circuit switched domain to the access network device can be referred to There is related content in the technology, and will not be described here.

In this embodiment, the access capability information of the access network device is obtained by the access network device. When the load of the access network device is greater than or equal to a preset load threshold, the access network device moves to the circuit switched domain. The device sends an overload message including the acquired processing capability information of the access network device, so that the mobility management device in the circuit switched domain can perform flow control on the circuit switched domain termination service, save network resources, and improve traffic control efficiency. .

FIG. 5 is a schematic flowchart of another flow control method according to Embodiment 4 of the present invention, as shown in FIG. As shown in FIG. 5, the flow control method of this embodiment may include:

501. The mobility management device of the circuit switching domain receives an overload message sent by the access network device, where the overload message includes processing capability information of the access network device.

For example, when the load of the access network device is greater than or equal to a preset load threshold, the mobility management device of the circuit switching domain receives an overload message sent by the access network device to the processing capability information of the access network device.

The processing capability information of the access network device may be a service volume that can be processed by the access network device per unit time. Specifically, the access network device acquiring the processing capability information of the access network device may include the following:

For example, for paging services, first, the access network device can obtain the number of pages that can be processed per unit time in each cell under each jurisdiction under its jurisdiction; second, the access network device uses each location area. The maximum number of pages that can be processed per unit time in the middle cell is taken as the number of pages that can be processed per unit time in the location area; finally, the access network device processes the pages that can be processed in the unit time of all the location areas. The sum of the times is used as the number of times the access network device can process the paging time.

The processing capability information of the access network device, for example, may be a traffic that can be processed in a unit time, and the information may be carried in an overload message in the form of a cell. For example, the traffic capacity that can be processed per second is used as the processing capability information. The information indicating the processing capability information in the overload message may be as shown in Table 2. Each of the above cells can occupy 3 bytes (octet), the cell identification code occupies 1 byte, and the number of times occupies 2 bytes, as shown in FIG.

Those skilled in the art can understand that: in Table 2, only the cells related to the embodiment of the present invention are listed, and other cells in the overload message sent by the mobility management device of the circuit switched domain to the access network device can be referred to There is related content in the technology, and will not be described here. 502. The mobility management device of the circuit switching domain performs flow control on the circuit switched domain termination service according to the processing capability information of the access network device.

The circuit switched domain terminating service may include at least one of paging and incoming switching. Specifically, the mobility management device of the circuit switched domain performs flow control on the terminating service of the circuit switched domain according to the amount of traffic that can be processed in the unit time of the access network device. For example: when the mobility management device of the circuit switching domain sends the service volume of the circuit switched domain termination service to the access network device per unit time to reach the traffic volume that can be processed in the unit time of the access network device, the circuit switching domain The mobility management device rejects the subsequent circuit switched domain termination service described above.

In this embodiment, the mobility management device of the circuit switched domain receives the overload message that is sent by the access network device and includes the processing capability information of the access network device, so that the mobility management device of the circuit switched domain can perform circuit switching. The domain termination service performs flow control, which saves network resources and improves the efficiency of traffic control.

The access network device may be a base station controller in a GSM/CDMA network (Base

Station Controller (BSC), which can also be a Radio Network Controller (RNC) in a UMTS network, or an evolved type in an EPS network.

NodeB (Evolved NodeB, eNB for short) or Home evolved NodeB (Home Evolved)

NodeB, referred to as HeNB) and other devices.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present invention is not described. Limitations of the sequence of actions are described, as some may be performed in other sequences or concurrently in accordance with the present invention. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

FIG. 6 is a schematic structural diagram of a mobility management device of a circuit switched domain according to Embodiment 5 of the present invention. As shown in FIG. 6, the mobility management device of the circuit switched domain of this embodiment may include an acquisition module 61 and a sending module 62. The obtaining module 61 is configured to acquire the processing capability information of the mobility management device of the circuit switched domain, and the sending module 62 is configured to: when the load of the mobility management device of the circuit switched domain is greater than or equal to a preset load threshold, The network device sends an overload message, where the overload message includes the processing capability information of the mobility management device of the circuit switched domain acquired by the obtaining module 61, so that the access network device performs flow control on the circuit switched domain originating service.

The processing capability information of the mobility management device in the circuit switched domain may be a traffic that can be processed by the mobility management device in the circuit switched domain per unit time. Correspondingly, the obtaining module 61 is specifically configured to acquire the amount of traffic that can be processed by the mobility management device of the circuit switched domain per unit time.

The function of the mobility management device of the circuit switched domain in the first embodiment of the present invention can be implemented by the mobility management device of the circuit switched domain provided by the embodiment of the present invention.

In this embodiment, the mobility management device of the circuit switched domain obtains the processing capability information of the mobility management device of the circuit switched domain by using the acquiring module, and sends when the load of the mobility management device of the circuit switched domain is greater than or equal to a preset load threshold. The module is capable of transmitting, to the access network device, an overload message including processing capability information of the mobility management device of the circuit switched domain acquired by the acquiring module, so that the access network device can perform processing capability information according to the mobility management device of the circuit switched domain. The circuit switching domain originating service performs flow control, which can save network resources and improve the efficiency of flow control. FIG. 7 is a schematic structural diagram of an access network device according to Embodiment 6 of the present invention. As shown in FIG. 7, the access network device in this embodiment may include a receiving module 71 and a control module 72. The receiving module 71 is configured to receive an overload message sent by the mobility management device of the circuit switched domain, where the overload message includes processing capability information of the mobility management device of the circuit switched domain, and the control module 72 is configured to receive the foregoing according to the receiving module 71. The processing capability information of the mobility management device of the circuit switched domain included in the overload message is used to perform flow control on the originating service of the circuit switched domain.

The processing capability information of the mobility management device in the circuit switched domain may be a traffic that can be processed by the mobility management device in the circuit switched domain per unit time. For example, the foregoing control module 72 may be specifically configured to: when the access network device transmits the service volume of the circuit switched domain to the mobility management device of the circuit switched domain per unit time, to the mobile management device unit time of the circuit switched domain. When the amount of traffic that can be processed, the subsequent circuit switched domain originating service is rejected.

The function of the access network device in the second embodiment of the present invention can be implemented by the access network device provided by the embodiment of the present invention.

In this embodiment, the receiving module receives the overload message of the processing capability information of the mobility management device of the circuit switched domain sent by the mobility management device of the circuit switched domain, so that the control module can be based on the mobility management device of the circuit switched domain. The processing capability information controls the flow of the originating service of the circuit switched domain, which can save network resources and improve the efficiency of flow control.

FIG. 8 is a schematic structural diagram of another access network device according to Embodiment 7 of the present invention. As shown in FIG. 8, the access network device in this embodiment may include a getter block 81 and a sending module 82. The obtaining module 81 is configured to obtain the processing capability information of the access network device, and the sending module 82 is configured to send, to the mobility management device of the circuit switched domain, when the load of the access network device is greater than or equal to a preset load threshold. The overload message includes the processing capability information of the access network device acquired by the obtaining module 61, so that the mobility management device of the circuit switched domain performs flow control on the circuit switched domain termination service. The circuit switched domain terminating service may include at least one of paging and incoming switching. The processing capability information of the access network device may be a service volume that can be processed in the unit time of the access network device. Correspondingly, the obtaining module 81 can be specifically configured to acquire the amount of traffic that can be processed in the unit time of the access network device. For example, the circuit switching domain termination service is a paging, and the obtaining module 81 may be specifically configured to obtain the number of times that can be processed in a unit time of each cell in each location area under the jurisdiction of the access network device, The number of pages that can be processed per unit time in the largest cell in each location area as the number of pages that can be processed per unit time in the location area, and the pages that can be processed per unit time in all location areas The sum of the times is used as the number of times the access network device can process the paging time. For example, the foregoing circuit switched domain termination service is an inbound switch, and the foregoing getter block 81 may be specifically configured to use the preset number of times that the access network device can process the paging time as the access network device unit. The number of inbound switches that can be processed in time.

The function of the access network device in the foregoing Embodiment 3 of the present invention can be implemented by the access network device provided by the embodiment of the present invention.

In this embodiment, the access network device obtains the processing capability information of the access network device by using the acquiring module, and when the load of the access network device is greater than or equal to a preset load threshold, the sending module sends the mobility management device to the circuit switched domain. Sending an overload message including the processing capability information of the foregoing access network device acquired by the acquiring module, so that the mobility management device of the circuit switched domain can perform flow control on the circuit switched domain termination service, save network resources, and improve traffic control. effectiveness.

FIG. 9 is a schematic structural diagram of another mobility management device of a circuit switched domain according to Embodiment 8 of the present invention. As shown in FIG. 9, the mobility management device of the circuit switched domain of this embodiment may include a receiving module 91 and a control module 92. . The receiving module 91 is configured to receive an overload message sent by the access network device, where the overload message includes processing capability information of the access network device, and the control module 92 is configured to use the foregoing information included in the overload message received by the receiving module 91. The processing capability information of the access network device controls the flow of the circuit switched domain termination service.

The circuit switched domain terminating service may include at least one of paging and incoming switching. The processing capability information of the access network device may be the unit time of the access network device. The amount of business that can be processed. For example, the foregoing control module 92 may be specifically configured to: when the mobility management device of the circuit switching domain is sent to the access network device, the service volume of the terminating service is reachable in the unit time of the access network device. In the case of traffic, the subsequent circuit switched domain termination service is rejected.

The function of the mobility management device of the circuit switched domain in the fourth embodiment of the present invention can be implemented by the mobility management device of the circuit switched domain provided by the embodiment of the present invention.

In this embodiment, the receiving module receives the overload message that is sent by the access network device and includes the processing capability information of the access network device, so that the control module can perform flow control on the circuit switched domain termination service, thereby saving network resources. And improve the efficiency of flow control.

A person skilled in the art can understand that all or part of implementing the foregoing method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and when executed, the program includes The foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

It should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

Rights request

A flow control method, comprising:

The method according to claim 1, wherein the mobility management device of the circuit switched domain acquires processing capability information of the mobility management device of the circuit switched domain, including:

The mobility management device of the circuit switched domain acquires the amount of traffic that can be processed by the mobility management device of the circuit switched domain in a unit time.

The method according to claim 1 or 2, wherein the circuit switched domain originating service comprises at least one of an originating call, an originating short message, and a location update.

4. A flow control method, characterized in that:

The access network device receives an overload message sent by the mobility management device of the circuit switched domain, where the overload message includes processing capability information of the mobility management device of the circuit switched domain;

The method according to claim 4, wherein the access network device performs flow control on the originating service of the circuit switched domain according to the processing capability information of the mobility management device of the circuit switched domain, including:

The access network device performs flow control on the originating service of the circuit switched domain according to the amount of traffic that can be processed in the unit time of the mobility management device of the circuit switched domain.

The method according to claim 5, wherein the access network device originates from the circuit switched domain according to the amount of traffic that can be processed in the unit time of the mobility management device of the circuit switched domain. Traffic control for services, including:

When the amount of traffic of the circuit switched domain originating service sent by the access network device to the mobility management device of the circuit switched domain per unit time reaches the traffic volume that can be processed by the mobile management device of the circuit switched domain per unit time The access network device rejects the subsequent circuit switched domain originating service.

7. A flow control method, comprising:

8. The method according to claim 7, wherein the circuit switched domain terminating service comprises at least one of paging and incoming switching.

The method according to claim 7 or 8, wherein the access network device obtains the processing capability information of the access network device, including:

The access network device obtains the amount of traffic that can be processed in the unit time of the access network device.

The method according to claim 9, wherein the circuit switched domain termination service is paging, and the access network device obtains the traffic volume that can be processed in the unit time of the access network device, including:

Obtaining, by the access network device, the number of times that a page can be processed per unit time in each cell under each jurisdiction;

The access network device uses the number of pages that can be processed in a unit time of a largest cell in each location area as the number of pages that can be processed in a unit time in the location area;

The access network device uses the sum of the number of pages that can be processed per unit time in all location areas as the number of times the access network device can process the paging time.

11. The method according to claim 9, wherein said circuit switched domain termination industry The access network device obtains the traffic that can be processed in the unit time of the access network device, including:

The access network device uses the preset number of pagings that can be processed in the unit time of the access network device as the number of inbound switching that can be processed in the unit time of the access network device.

12. A flow control method, comprising:

The method according to claim 12, wherein the mobility management device of the circuit switched domain performs flow control on the circuit switched domain termination service according to the processing capability information of the access network device, including:

The mobility management device of the circuit switched domain performs flow control on the circuit switched domain termination service according to the amount of traffic that can be processed in the unit time of the access network device.

The method according to claim 13, wherein the mobility management device of the circuit switched domain performs flow control on the circuit switched domain termination service according to the amount of traffic that can be processed in the unit time of the access network device. Includes:

When the mobility of the circuit switched domain terminating service sent by the mobility management device of the circuit switched domain to the access network device per unit time reaches the traffic volume that can be processed in the unit time of the access network device, the circuit The mobility management device of the switching domain rejects the subsequent circuit switched domain termination service.

15. A mobility management device for a circuit switched domain, comprising:

An acquiring module, configured to acquire processing capability information of a mobility management device of the circuit switched domain, and a sending module, configured to: when a load of a mobility management device of the circuit switched domain is greater than or equal to a preset load threshold, The network device sends an overload message, where the overload message includes processing capability information of the mobility management device of the circuit switched domain acquired by the acquiring module, so that the The network access device performs flow control on the originating service of the circuit switched domain.

The mobility management device of the circuit switched domain according to claim 15, wherein the acquiring module is specifically configured to acquire a traffic volume that can be processed in a unit time by the mobility management device of the circuit switched domain.

17. An access network device, comprising:

And a control module, configured to perform flow control on the originating service of the circuit switched domain according to the processing capability information of the mobility management device of the circuit switched domain included in the overload message received by the receiving module.

The access network device according to claim 17, wherein the processing capability information of the mobility management device of the circuit switched domain includes a traffic volume that can be processed by the mobility management device of the circuit switched domain per unit time, The control module is specifically used for

When the amount of traffic of the circuit switched domain originating service sent by the access network device to the mobility management device of the circuit switched domain per unit time reaches the traffic volume that can be processed by the mobile management device of the circuit switched domain per unit time Rejecting the subsequent circuit switched domain originating service.

19. An access network device, comprising:

The access network device of the circuit switched domain according to claim 19, wherein the processing capability information of the access network device comprises a traffic volume that can be processed in a unit time of the access network device, the circuit switching The domain termination service is paging, and the obtaining module is specifically used for

Acquiring the number of pages that can be processed per unit time in each cell under each location area under the jurisdiction of the access network device, and paging that can be processed in a unit time of the largest cell in each location area The number of times as the number of pages that can be processed per unit time in the location area, and the sum of the number of pages that can be processed per unit time in all location areas is used as the processing time in the unit time of the access network device. The number of calls.

The access network device according to claim 19, wherein the processing capability information of the access network device includes a service amount that can be processed by the access network device in a unit time, and the circuit switched domain termination service is In the switch, the acquiring module is specifically used for

The number of times that the preset proportion of the access network device can process the unit time is used as the number of times the incoming network device can process the incoming switch.

22. A mobility management device for a circuit switched domain, comprising:

The mobility management device of the circuit switched domain according to claim 22, wherein the processing capability information of the access network device includes a traffic volume that can be processed in a unit time of the access network device, where the control module is specific Used for

When the mobility of the circuit switched domain terminating service sent by the mobility management device of the circuit switched domain to the access network device per unit time reaches the traffic volume that can be processed in the unit time of the access network device, the subsequent The circuit switched domain terminates the service.