CN103945411A

CN103945411A - Method and device for selecting network access points

Info

Publication number: CN103945411A
Application number: CN201410127516.2A
Authority: CN
Inventors: 王国平; 刘荧; 吴泽瑞
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-03-31
Filing date: 2014-03-31
Publication date: 2014-07-23
Anticipated expiration: 2034-03-31
Also published as: CN103945411B

Abstract

The invention discloses a method and device for selecting network access points and belongs to the technical field of communication. The method comprises the steps that a request sent by a terminal for obtaining the network access points is received; according to the priority, of a current network access point, in a priority list corresponding to accessible network access points in a terminal access address field, one or more network access points for access are selected for the terminal, wherein the terminal access address field and the priority list corresponding to the accessible network access points are determined through the loading condition periodically fed back by the network access points and the path service quality of connected protocol IP address fields between networks needing to be detected; the network access points for access are returned to the terminal. According to the method and device, the phenomenon that one network access point which is over high in load is still selected to serve as the network access point of the terminal is avoided, and therefore the access and use efficiency of the network access points is improved.

Description

A kind of method and device of choosing Network Access Point

Technical field

The present invention relates to communication technical field, particularly a kind of method and device of choosing Network Access Point.

Background technology

IMS (IP Multimedia Subsystem) is IP (Internet Protocol, the agreement interconnecting between network) IP multimedia subsystem, IMS, be a kind of brand-new multimedia service form, it can meet, and present terminal client is more novel, the demand of more diversified multimedia service.Wherein, A-SBC(Access Session Border Controller, access Session Border Controller) be the Network Access Point in IMS network, in IMS network, occupy critical role, for each terminal can normally be passed through A-SBC access network, can dispose Disaster Tolerant Scheme for A-SBC at present.

In prior art, terminal is to the DMS(Device Management Server in IMS network, device management server) report the application of obtaining Network Access Point, DMS choose with the address information of this terminal in the Network Access Point that matches of default address field, and the address information of this Network Access Point matching and precedence information are sent to terminal, wherein the priority of Network Access Point is predefined.Terminal is determined the Network Access Point of access, the backup network access point that other Network Access Points use as disaster tolerance again according to the priority of the Network Access Point receiving.

Inventor finds that prior art at least exists following problem:

The priority of Network Access Point is predefined, causes each Network Access Point after operation a period of time, and two or more Network Access Point load imbalances of disaster tolerance each other, have affected the service efficiency of Network Access Point in whole network.

Summary of the invention

In order to solve the problem of prior art, the embodiment of the present invention provides a kind of method and device of choosing Network Access Point.Described technical scheme is as follows:

First aspect, a kind of method of choosing Network Access Point, comprising:

The request of obtaining Network Access Point that receiving terminal sends;

According to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, for described terminal is chosen one or more Network Access Points to be accessed, the path service quality of the wherein said protocol IP address field interconnecting between terminal access address section and priority list corresponding to accessible Network Access Point are by the load state of each Network Access Point periodic feedback and the network that needs to survey is determined;

Described Network Access Point to be accessed is returned to described terminal.

In the possible implementation of the first of first aspect, in the request of obtaining Network Access Point that described receiving terminal sends, also carry the domain-name information of preallocated Network Access Point,

Accordingly, describedly choose one or more Network Access Points to be accessed according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section for described terminal, comprising:

Resolve the domain-name information of described preallocated Network Access Point, obtain the address information of one or more Network Access Points corresponding to domain name information;

According to the address information of one or more Network Access Points corresponding to domain name information, in the priority list corresponding with accessible each Network Access Point in current terminal access address section, determine priority corresponding to one or more Network Access Points that domain name information is corresponding;

Priority corresponding to one or more Network Access Points corresponding according to domain name information, for described terminal is chosen Network Access Point to be accessed.

In conjunction with the possible implementation of the first of first aspect, in the possible implementation of the second, described priority corresponding to one or more Network Access Points corresponding according to domain name information, chooses Network Access Point to be accessed for described terminal, comprising:

If the highest Network Access Point of priority satisfying condition in inquiring the priority of one or more Network Access Points that domain-name information is corresponding in the priority list corresponding with accessible each Network Access Point in terminal access address section is multiple, choose with the address information of described terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed, and the Network Access Point that other are satisfied condition is defined as the alternative network access point in Network Access Point to be accessed successively according to priority orders.

In the third possible implementation of first aspect, described according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, choose one or more Network Access Points to be accessed for described terminal, comprising:

Elected while getting the highest Network Access Point of multiple priority satisfying condition, choose with the address information of described terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed.

In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, described choose with the address information of described terminal in the close Network Access Point of default address field as after the master network access point in Network Access Point to be accessed, described method also comprises:

The Network Access Point that other are satisfied condition is defined as the alternative network access point in Network Access Point to be accessed successively according to priority orders.

In the 5th kind of possible implementation of first aspect, before the request of obtaining Network Access Point that described reception subscriber equipment terminal sends, described method also comprises:

Periodically send probe instructions to each Network Access Point, so that described each Network Access Point feeds back current load state and needs the path service quality of the IP address field of surveying.

In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, described periodicity is after each Network Access Point sends probe instructions, and described method also comprises:

The current load state feeding back according to described each Network Access Point and the path service quality that needs the IP address field of surveying, arrange the priority in the priority list that described each Network Access Point is corresponding with accessible Network Access Point in terminal access address section.

In conjunction with the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation, described described Network Access Point to be accessed is returned to described terminal after, described method also comprises:

When the path service quality that detects the IP address field that existence need to survey lower than the Network Access Point of predetermined threshold value or break down Network Access Point time, to the described path service quality that needs the IP address field of surveying of access lower than the Network Access Point of predetermined threshold value or described in the terminal of the Network Access Point that breaks down send the information for re-registering.

In the 8th kind of possible implementation of first aspect, after the request of obtaining Network Access Point that described reception subscriber equipment terminal sends, described method also comprises:

Send address information or the domain-name information of the each Network Access Point matching with described terminal access address section to described terminal.

Second aspect, a kind of method of choosing Network Access Point, comprising:

Send the request of obtaining Network Access Point to device management server DMS;

Address information or the domain-name information of the each Network Access Point matching with self access address section that receives that described DMS sends, and send probe instructions according to described address information or domain-name information to described each Network Access Point, so that described each Network Access Point feedback load situation;

Measure the path service quality between self and described each Network Access Point;

According to the path service quality between the load state of described each Network Access Point feedback and self and the described each Network Access Point that measure, choose one or more Network Access Points to be accessed.

In the possible implementation of the first of second aspect, described according to the path service quality between the load state of described each Network Access Point feedback and self and the described each Network Access Point that measure, choose one or more Network Access Points to be accessed, comprising:

Elected while getting the highest Network Access Point of multiple priority satisfying condition, choose with the address information of described terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed, and the Network Access Point that other are satisfied condition is defined as the alternative network access point in Network Access Point to be accessed successively according to priority orders.

The third aspect, a kind of device of choosing Network Access Point, comprising:

Receiver module, the request of obtaining Network Access Point sending for receiving terminal;

First chooses module, for the priority at the terminal access address section priority list corresponding with accessible Network Access Point according to current each Network Access Point, for described terminal is chosen one or more Network Access Points to be accessed, the path service quality of the wherein said protocol IP address field interconnecting between terminal access address section and priority list corresponding to accessible Network Access Point are by the load state of each Network Access Point periodic feedback and the network that needs to survey is determined;

Return to module, for described Network Access Point to be accessed is returned to described terminal.

In the possible implementation of the first of the third aspect, in the request of obtaining Network Access Point that described receiving terminal sends, also carry the domain-name information of preallocated Network Access Point,

Accordingly, described first chooses module, comprising:

Resolution unit, for resolving the domain-name information of described preallocated Network Access Point, obtains the address information of one or more Network Access Points corresponding to domain name information;

Determining unit, be used for according to the address information of one or more Network Access Points corresponding to domain name information, in the priority list corresponding with accessible each Network Access Point in current terminal access address section, determine priority corresponding to one or more Network Access Points that domain name information is corresponding;

First chooses unit, for priority corresponding to one or more Network Access Points corresponding according to domain name information, for described terminal is chosen Network Access Point to be accessed.

In conjunction with the possible implementation of the first of the third aspect, in the possible implementation of the second, described in choose unit specifically for:

In the third possible implementation of the third aspect, described first chooses module, comprising:

Second chooses unit, for elected while getting the highest Network Access Point of multiple priority satisfying condition, choose with the address information of described terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed.

In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation, described first chooses module also comprises:

The 3rd chooses unit, is defined as successively the alternative network access point of Network Access Point to be accessed for the Network Access Point that other are satisfied condition according to priority orders.

In the 5th kind of possible implementation of the third aspect, described device also comprises:

Probe instructions sending module, for periodically sending probe instructions to each Network Access Point, so that described each Network Access Point feeds back current load state and needs the path service quality of the IP address field of surveying.

In conjunction with the 5th kind of possible implementation of the third aspect, in the 6th kind of possible implementation, described device also comprises:

Priority arranges module, for the current load state feeding back according to described each Network Access Point and the path service quality that needs the IP address field of surveying, the priority in the priority list that described each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set.

In conjunction with the 6th kind of possible implementation of the third aspect, in the 7th kind of possible implementation, described device also comprises:

Re-register module, for when the path service quality that detects the IP address field that existence need to survey lower than the Network Access Point of predetermined threshold value or break down Network Access Point time, to the path service quality of the described IP address field that needs detection of access lower than the Network Access Point of predetermined threshold value or described in the terminal of the Network Access Point that breaks down send the information for re-registering.

In the 8th kind of possible implementation of the third aspect, described device also comprises:

Information is started module, for send address information or the domain-name information of the each Network Access Point matching with described terminal access address section to described terminal.

Fourth aspect, a kind of device of choosing Network Access Point, comprising:

Request sending module, for sending the request of obtaining Network Access Point to device management server DMS;

Processing module, for address information or the domain-name information of the each Network Access Point matching with self access address section that receives that described DMS sends, and send probe instructions according to described address information or domain-name information to described each Network Access Point, so that described each Network Access Point feedback load situation;

Measurement module, for measuring the path service quality between self and described each Network Access Point;

Second chooses module, for according to the path service quality between the load state of described each Network Access Point feedback and self and the described each Network Access Point that measure, chooses one or more Network Access Points to be accessed.

In the possible implementation of the first of fourth aspect, described second choose module specifically for:

The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:

The path service quality of the IP address field that the needs that the load state periodically detecting by each Network Access Point and each Network Access Point are corresponding are surveyed is determined the priority of each Network Access Point, and is the Network Access Point that terminal is chosen access according to this priority.Network Access Point and the disaster tolerance Network Access Point of the access of choosing are changed with the variation of load state and path service quality according to the dynamic of load state and path service quality, avoid some Network Access Point load too high also can be chosen for the Network Access Point of terminal, improved access and the service efficiency of Network Access Point.

Brief description of the drawings

In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the method flow diagram of choosing Network Access Point that the embodiment of the present invention one provides;

Fig. 2 is the method flow diagram of choosing Network Access Point that the embodiment of the present invention two provides;

Fig. 3 is the method flow diagram of choosing Network Access Point that the embodiment of the present invention three provides;

Fig. 4 is the method flow diagram of choosing Network Access Point that the embodiment of the present invention four provides;

Fig. 5 is the method flow diagram of choosing Network Access Point that the embodiment of the present invention five provides;

Fig. 6 is the method flow diagram of choosing Network Access Point that the embodiment of the present invention six provides;

Fig. 7 is the apparatus structure schematic diagram of choosing Network Access Point that the embodiment of the present invention seven provides;

Fig. 8 is the apparatus structure schematic diagram of choosing Network Access Point that the embodiment of the present invention eight provides;

Fig. 9 is the structural representation of the device management server that provides of the embodiment of the present invention nine;

Figure 10 is the structural representation of the name server that provides of the embodiment of the present invention ten;

Figure 11 is the structural representation of the terminal that provides of the embodiment of the present invention 11.

Embodiment

For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.

Embodiment mono-

The embodiment of the present invention provides a kind of method of choosing Network Access Point, and referring to Fig. 1, method flow comprises:

101: receive the request of obtaining Network Access Point that subscriber equipment terminal sends;

102: the priority corresponding with accessible each Network Access Point according to current terminal access address section, for terminal is chosen one or more Network Access Points to be accessed, the path service quality of the IP address field that the priority that wherein each Network Access Point is corresponding is surveyed by load state and the needs of each Network Access Point periodic feedback is determined;

103: Network Access Point to be accessed is returned to terminal.

The path service quality of the IP address field that the needs that the load state that the embodiment of the present invention periodically detects by each Network Access Point and each Network Access Point are corresponding are surveyed is determined the priority of each Network Access Point, and is the Network Access Point that terminal is chosen access according to this priority.Network Access Point and the disaster tolerance Network Access Point of the access of choosing are changed with the variation of load state and path service quality according to the dynamic of load state and path service quality, avoid some Network Access Point load too high also can be chosen for the Network Access Point of terminal, improved access and the service efficiency of Network Access Point.

Embodiment bis-

The embodiment of the present invention provides a kind of method of choosing Network Access Point, referring to Fig. 2.

In the embodiment of the present invention, the information of Network Access Point externally adopts the mode of address information or domain-name information, and the domain-name information of the Network Access Point of disaster tolerance is not identical each other, but address information is not identical yet.

Wherein, method flow comprises:

201: terminal sends the request of obtaining Network Access Point to DMS.

Wherein, this request of obtaining Network Access Point sends to DMS by log-on message for terminal in embodiments of the present invention.

Preferably, three steps below also can periodically carrying out before this step is carried out, so that the priority list of DMS maintenance terminal access address section and accessible Network Access Point.

DMS periodically sends probe instructions to each Network Access Point, so that each Network Access Point feeds back current load state and needs the path service quality of the IP address field of surveying.

DMS receives the feedback information that each Network Access Point sends, and wherein, feedback information comprises the path service quality of the IP address field of load state that each Network Access Point is current and needs detection.

The path service quality of the IP address field that the load state that DMS feeds back according to each Network Access Point and needs are surveyed, arranges the priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section.

Wherein, the load state of Network Access Point (A-SBC) can include but not limited to CPU(Central Processing Unit, central processing unit) load, the i.e. utilization rate of CPU.Need the path service quality of the IP address field of surveying to include but not limited to: time delay; Packet loss; Delay variation etc.

Wherein, in the time that the probe instructions of DMS transmission does not receive the feedback information of Network Access Point in Preset Time, determine that this Network Access Point breaks down.

When priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set, need to consider above-mentioned two factors.Wherein set-up mode can include but not limited to that following mode carries out:

Pay the utmost attention to load state, the priority that the Network Access Point that load state is lower is set is higher; In the time that load state is identical, the priority that the Network Access Point that time delay is lower is set is higher; In the time that load state is identical and time delay is identical, the priority that the Network Access Point that packet loss is less is set is higher; In the time that load state is identical and time delay is identical and packet loss is identical, the priority that the Network Access Point that delay variation is less is set is higher.

Wherein, the terminal access address section that DMS safeguards and the priority list of accessible Network Access Point are dynamic changes, and the path service quality of the IP address field that the current load state feeding back according to each Network Access Point and needs are surveyed is periodically adjusted.In addition, by deleting from the priority list of terminal access address section and accessible Network Access Point lower than the Network Access Point of pre-setting priority, to ensure that the Network Access Point in this list all belongs to upstate.

Wherein, DMS receives BOSS(Business and Operation Support System, business operation support system) access strategy that issues, can also by advance on DMS configuration obtain access strategy, taking priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set and in this terminal access address section and priority list corresponding to accessible Network Access Point as terminal is chosen Network Access Point to be accessed.

Further, DMS also can receive that BOSS system issues or the terminal access address section that obtains of configuration and accessible Network Access Point address information or the corresponding relation of domain-name information on DMS in advance.DMS, in the time choosing Network Access Point for terminal, need to choose the accessible Network Access Point matching with terminal access address section according to the IP address of terminal.

The request of obtaining Network Access Point that 202:DMS receiving terminal sends.

Wherein, the IP address of meeting carried terminal in this request.

203:DMS is according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, for terminal is chosen one or more Network Access Points to be accessed, the path service quality of the IP address field of wherein being surveyed by load state and the needs of each Network Access Point periodic feedback at the terminal access address section priority list corresponding with accessible Network Access Point is determined;

Wherein, the mode of choosing is in the priority list of Network Access Point safeguarded of DMS, to choose Network Access Point that priority is the highest as Network Access Point to be accessed.

Preferably, in the time choosing Network Access Point for terminal, if it is multiple choosing the highest Network Access Point of priority satisfying condition in the priority list corresponding with accessible each Network Access Point in terminal access address section, choose the Network Access Point with the close address field in IP address of terminal, so that terminal is after access network access point, while using miscellaneous service, obtain less time delay texts, wherein satisfied condition is the highest Network Access Point of priority, the Network Access Point now satisfying condition is multiple if, the load state of the Network Access Point satisfying condition is described and needs the path service quality of the IP address field of surveying all identical.Therefore step 203 can complete by following steps:

Elected while getting the highest Network Access Point of multiple priority satisfying condition, choose with the address information of terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed.

Network Access Point to be accessed is returned to terminal by 204:DMS.

Wherein, the information that DMS feeds back to the Network Access Point to be accessed of terminal can comprise two kinds of situations, for the address information of Network Access Point to be accessed is an IP address, another kind be Network Access Point to be accessed be domain-name information, in this content of prescribed information not.

Wherein, in embodiments of the present invention, the domain-name information of the Network Access Point of disaster tolerance is all not identical each other.

205: when the path service quality that detects the IP address field that existence need to survey lower than the Network Access Point of predetermined threshold value or break down Network Access Point time, DMS needs path service quality from the IP address field of surveying to access sends for the information of login again lower than the terminal of the Network Access Point of predetermined threshold value or the Network Access Point that breaks down.

When DMS does not receive the feedback information of Network Access Point after the probe instructions sending, determine that this Network Access Point makes a mistake, and needs the terminal for accessing this Network Access Point to redistribute Network Access Point; Or, DMS is receiving in the feedback information that Network Access Point returns, detect the path service quality of the IP address field that existence need to survey lower than the situation of predetermined threshold value, therefore judge that this Network Access Point is not suitable for carrying out network insertion service again, therefore needs the terminal for accessing this Network Access Point to redistribute Network Access Point.

Now, in the terminal access address section of safeguarding at DMS and the priority list of accessible Network Access Point, by the network insertion point deletion relating in above-mentioned two situations.

Concrete, DMS is by I-CSCF(Interrogating-Call Session Control Function, interrogation-call session control function) terminal of Network Access Point accesses again in function notice access above-mentioned two situations flow process, so that terminal sends the request of obtaining Network Access Point to DMS again.

Embodiment tri-

The embodiment of the present invention provides a kind of method of choosing Network Access Point, referring to Fig. 3.

Wherein, method flow comprises:

301: terminal sends the request of obtaining Network Access Point to DMS.

Preferably, three steps below also can carrying out before this step is carried out, so that the terminal access address section that DMS safeguards and the priority list of accessible Network Access Point.

Network Access Point is periodically to DMS uploading feedback information, and feedback information comprises the path service quality of the IP address field of load state that Network Access Point is current and needs detection

DMS receives the feedback information that each Network Access Point periodically sends, and feedback information comprises the path service quality of the IP address field of load state that each Network Access Point is current and needs detection.

The path service quality of the IP address field that the current load state that DMS feeds back according to each Network Access Point and needs are surveyed, arranges the priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section.

Wherein, the load state of Network Access Point (A-SBC) can include but not limited to cpu load, i.e. the utilization rate of CPU.Need the path service quality of the IP address field of surveying to include but not limited to: time delay; Packet loss; Delay variation etc.

Wherein, in the time not receiving the feedback information of Network Access Point in Preset Time, determine that this Network Access Point breaks down.

Wherein, DMS receives the access strategy that BOSS system issues, can also by advance on DMS configuration obtain access strategy, taking priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set and in this terminal access address section and priority list corresponding to accessible Network Access Point as terminal is chosen Network Access Point to be accessed.

The request of obtaining Network Access Point that 302:DMS receiving terminal sends.

Wherein, the IP address of meeting carried terminal in this request.

303:DMS is according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, for terminal is chosen one or more Network Access Points to be accessed, the path service quality of the IP address field of wherein being surveyed by load state and the needs of each Network Access Point periodic feedback at the terminal access address section priority list corresponding with accessible Network Access Point is determined;

Wherein, the mode of choosing is in the priority list of Network Access Point of safeguarding at DMS, to choose Network Access Point that priority is the highest as master network access point, and chooses and meet the mode that priority successively decreases and choose one or more Network Access Points as backup network access point.

Preferably, in the time choosing Network Access Point for terminal, if it is multiple choosing the highest Network Access Point of priority satisfying condition in the priority list corresponding with accessible each Network Access Point in terminal access address section, choose the Network Access Point that belongs to close address field with the IP address of terminal, so that terminal is after access network access point, while using miscellaneous service, obtain less time delay texts, wherein satisfied condition is the highest Network Access Point of priority, the Network Access Point now satisfying condition is multiple if, the load state of the Network Access Point satisfying condition is described and needs the path service quality of the IP address field of surveying all identical.Therefore step 303 can complete by following steps:

Elected while getting the highest Network Access Point of multiple priority satisfying condition, choose with the address information of terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed, and the Network Access Point that other are satisfied condition is defined as the alternative network access point in Network Access Point to be accessed successively according to priority orders.

Network Access Point to be accessed is returned to terminal by 304:DMS.

Concrete, the address information of above-mentioned multiple Network Access Points and precedence information are returned to terminal as the information of Network Access Point to be accessed, so that terminal accesses according to the highest master network access point of priority, other backup network access points use as disaster tolerance.

Wherein, the information that DMS feeds back to the Network Access Point to be accessed of terminal can comprise two kinds of situations, for the address information of Network Access Point to be accessed is an IP address, in another for the address information of Network Access Point to be accessed is domain-name information, in this content of qualified address information not.

Embodiment tetra-

The embodiment of the present invention provides a kind of method of choosing Network Access Point, referring to Fig. 4.

In the embodiment of the present invention, the information of Network Access Point externally adopts domain name mode, and the domain-name information of the Network Access Point of disaster tolerance is identical each other, but address information is not identical.

Wherein, method flow comprises:

401: terminal sends the request of obtaining Network Access Point to DMS.

DMS can receive BOSS system issues or the corresponding relation of the terminal access address section that obtains of configuration and accessible Network Access Point domain-name information on DMS in advance.DMS, in the time choosing Network Access Point for terminal, need to choose the accessible Network Access Point matching with terminal access address section according to the IP address of terminal.

The request of obtaining Network Access Point that 402:DMS receiving terminal sends.

Wherein, the IP address of meeting carried terminal in this request.

Further, DMS, according to the IP address of terminal, chooses the domain-name information of the Network Access Point of serving this terminal place IP address field, as the domain-name information of preallocated Network Access Point.Wherein, be provided with in embodiments of the present invention special DNS(Domain Name Server, name server) server, be used to terminal to carry out the priority list of choosing of Network Access Point and maintenance terminal access address section and accessible Network Access Point.

403:DMS returns to the address information of special dns server and the domain-name information of preallocated Network Access Point to terminal.

Terminal receives after the address information of special dns server, and address information corresponding to predefined terminal self dns server deleted, and is reset to the address information of special dns server is carried out network insertion domain name resolution server as terminal.

Wherein, the address information of the corresponding one or more Network Access Points of domain-name information of preallocated Network Access Point is IP address, and special dns server can be the priority that terminal is determined Network Access Point corresponding to each address information according to the domain-name information of this preallocated Network Access Point.

404: terminal, according to the address information of dns server, sends the request of obtaining Network Access Point to special dns server.

Wherein, this request of obtaining Network Access Point is in embodiments of the present invention for terminal sends domain name mapping request to special dns server.

Further, in this request, carry the domain-name information of preallocated Network Access Point, according to the address information corresponding to domain-name information of the preallocated Network Access Point of this acquisition request.

405: the request of obtaining Network Access Point that special dns server receiving terminal sends.

In this kind of situation, the IP address of meeting carried terminal in this request.Wherein, the request of obtaining Network Access Point is specially the request of the address information of obtaining Network Access Point in embodiments of the present invention, and wherein address information is IP address.

Preferably, three steps below also can carrying out before this step is carried out, so that the terminal access address section that special dns server is safeguarded and the priority list of accessible Network Access Point.

Network Access Point is periodically to special dns server uploading feedback information, and feedback information comprises the path service quality of the IP address field of load state that Network Access Point is current and needs detection

Special dns server receives the feedback information that each Network Access Point periodically sends, and feedback information comprises the path service quality of the IP address field of load state that each Network Access Point is current and needs detection.

The path service quality of the IP address field that the current load state that special dns server feeds back according to each Network Access Point and needs are surveyed, arranges the priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section.

Wherein, the terminal access address section that special dns server is safeguarded and the priority list of accessible Network Access Point are dynamic changes, and the path service quality of the IP address field that the current load state feeding back according to each Network Access Point and needs are surveyed is periodically adjusted.In addition, by deleting from the priority list of terminal access address section and accessible Network Access Point lower than the Network Access Point of pre-setting priority, to ensure that the Network Access Point in this list all belongs to upstate.

Wherein, special dns server receives the access strategy that BOSS system issues, can also by advance on special dns server configuration obtain access strategy, taking priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set and in this terminal access address section and priority list corresponding to accessible Network Access Point as terminal is chosen Network Access Point to be accessed.

Further, special dns server can receive Network Access Point domain-name information that BOSS system issues or that configuration obtains on special dns server in advance and the corresponding relation of address information.

406: special dns server is according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, for terminal is chosen one or more Network Access Points to be accessed, the path service quality of the IP address field of wherein being surveyed by load state and the needs of each Network Access Point periodic feedback at the terminal access address section priority list corresponding with accessible Network Access Point is determined.

Wherein, the mode of choosing is that to choose Network Access Point corresponding to address information that priority is the highest be master network access point, and the Network Access Point corresponding to address information of other priority is backup network access point.

Preferably, step 406 is made up of following steps 4061 to step 4063:

4061: resolve the domain-name information of preallocated Network Access Point, obtain the address information of one or more Network Access Points that domain-name information is corresponding;

4062: according to the address information of one or more Network Access Points corresponding to domain-name information, in the priority list corresponding with accessible each Network Access Point in current terminal access address section, determine priority corresponding to one or more Network Access Points that domain-name information is corresponding;

4063: priority corresponding to one or more Network Access Points corresponding according to domain-name information, for terminal is chosen Network Access Point to be accessed.

Preferably, in the time choosing Network Access Point for terminal, if the highest Network Access Point of priority satisfying condition in inquiring the priority of one or more Network Access Points that domain-name information is corresponding in the priority list corresponding with accessible each Network Access Point in terminal access address section is multiple, choose the Network Access Point that belongs to close address field with the IP address of terminal, so that terminal is after access network access point, while using miscellaneous service, obtain less time delay texts, wherein satisfied condition is the highest Network Access Point of priority, the Network Access Point now satisfying condition is multiple if, the load state of the Network Access Point satisfying condition is described and needs the path service quality of the IP address field of surveying all identical.Therefore step 4063 can complete by following steps:

If the highest Network Access Point of priority satisfying condition in inquiring the priority of one or more Network Access Points that domain-name information is corresponding in the priority list corresponding with accessible each Network Access Point in terminal access address section is multiple, choose with the address information of terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed, and the Network Access Point that other are satisfied condition is defined as the alternative network access point in Network Access Point to be accessed successively according to priority orders.

407: Network Access Point to be accessed is returned to terminal by special dns server.

Embodiment five

The embodiment of the present invention provides a kind of method of choosing Network Access Point, and referring to Fig. 5, method flow comprises:

501: send the request of obtaining Network Access Point to device management server DMS;

502: the address information of the each Network Access Point matching with self access address section that receives that DMS sends, and send probe instructions according to address information to each Network Access Point, so that each Network Access Point feedback load situation;

503: measure the path service quality between self and each Network Access Point;

504: according to the path service quality between the load state of each Network Access Point feedback and self and the each Network Access Point that measure, choose one or more Network Access Points to be accessed.

The embodiment of the present invention is determined the priority of each Network Access Point by terminal to the each Network Access Point detection load state being assigned with and the path service quality of measuring between each Network Access Point and terminal, and is the Network Access Point that terminal is chosen access according to this priority.Network Access Point and the disaster tolerance Network Access Point of access are chosen according to current load state and path service quality, avoid some Network Access Point load too high also can be chosen for the Network Access Point of terminal, improved access and the service efficiency of Network Access Point.

Embodiment six

The embodiment of the present invention provides a kind of method of choosing Network Access Point, referring to Fig. 6.

Wherein, the method flow process comprises:

601: terminal sends the request of obtaining Network Access Point to device management server DMS.

602:DMS sends address information or the domain-name information of the each Network Access Point matching with terminal access address section to terminal.

Preferably, DMS also can send access strategy to terminal, the access strategy that this access strategy can issue for receiving BOSS system, can also by advance on DMS configuration obtain access strategy, taking priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set and in this terminal access address section and priority list corresponding to accessible Network Access Point as terminal is chosen Network Access Point to be accessed.

Further, DMS also can receive that BOSS system issues or the terminal access address section that obtains of configuration and accessible Network Access Point address information or the corresponding relation of domain-name information on DMS in advance.DMS chooses address information or the domain-name information of the each Network Access Point matching with this terminal access address section in above-mentioned corresponding relation for terminal according to the address information of terminal.

603: terminal receives address information or the domain-name information of each Network Access Point of DMS transmission, and send probe instructions according to address information or domain-name information to each Network Access Point, so that each Network Access Point feedback load situation.

When receive be the domain-name information of each Network Access Point of matching with terminal access address section time, sending probe instructions according to this domain-name information to each Network Access Point, need first by dns server, domain-name information to be resolved, obtain the address information of each Network Access Point, then the address information of the each Network Access Point obtaining according to parsing is surveyed to each Network Access Point.

604: terminal receives the feedback information that each Network Access Point returns, this feedback information comprises the load state that each Network Access Point is current.

Wherein, the load state of Network Access Point (A-SBC) can include but not limited to cpu load, i.e. the utilization rate of CPU.Wherein, in the time not receiving the feedback information of Network Access Point in Preset Time, determine that this Network Access Point breaks down.

605: the path service quality between terminal measurement self and each Network Access Point.

Wherein, the path service quality between self and each Network Access Point can include but not limited to: time delay; Packet loss; Delay variation etc.

Preferably, when receive be the domain-name information of each Network Access Point of matching with terminal access address section time, sending probe instructions according to this domain-name information to each Network Access Point, need first by dns server, domain-name information to be resolved, obtain the address information of each Network Access Point, then the address information of the each Network Access Point obtaining according to parsing is measured to the path service quality of each Network Access Point.

606: terminal, according to the path service quality between the load state of each Network Access Point feedback and self and the each Network Access Point that measure, is chosen one or more Network Access Points to be accessed.

Path service quality between load state and terminal and each Network Access Point of the each Network Access Point obtaining according to step 604 and step 605, arranges the priority of each Network Access Point.Wherein set-up mode can include but not limited to that following mode carries out:

In addition, will delete lower than the Network Access Point of pre-setting priority.

Wherein, the mode of choosing Network Access Point for terminal is to choose Network Access Point that priority is the highest as master network access point, and the Network Access Point that the priority mode of successively decreasing is chosen one or more other priority is as backup network access point.

Preferably, in the time choosing Network Access Point for terminal, if it is multiple choosing the Network Access Point satisfying condition in the priority list corresponding with accessible each Network Access Point in terminal access address section, choose the Network Access Point that belongs to close address field with the IP address of terminal, so that terminal is after access network access point, while using miscellaneous service, obtain less time delay texts, wherein satisfied condition is the highest Network Access Point of priority, the Network Access Point now satisfying condition is multiple if, load state and the path service quality of the Network Access Point that explanation satisfies condition are all identical.

Therefore step 606 can complete by following steps:

607: terminal is determined master network access point in the Network Access Point one or more to be accessed of choosing, and accesses master network access point.

Wherein, can be set to master network access point by the highest Network Access Point of priority, and access this Network Access Point.The Network Access Point of other priority sets gradually as alternative network access point, in the time that this master network access point breaks down, chooses the highest Network Access Point of backup network access point medium priority and again accesses.

Embodiment seven

The embodiment of the present invention provides a kind of device of choosing Network Access Point, and referring to Fig. 7, this device comprises:

Receiver module 701, the request of obtaining Network Access Point sending for receiving terminal;

First chooses module 702, for the priority at the terminal access address section priority list corresponding with accessible Network Access Point according to current each Network Access Point, for terminal is chosen one or more Network Access Points to be accessed, the path service quality of the protocol IP address field wherein interconnecting between terminal access address section and priority list corresponding to accessible Network Access Point are by the load state of each Network Access Point periodic feedback and the network that needs to survey is determined;

Return to module 703, for Network Access Point to be accessed is returned to terminal.

Wherein, in the request of obtaining Network Access Point that receiving terminal sends, also carry the domain-name information of preallocated Network Access Point,

Accordingly, first chooses module 702, comprising:

Resolution unit, for resolving the domain-name information of preallocated Network Access Point, obtains the address information of one or more Network Access Points that domain-name information is corresponding;

Determining unit, be used for according to the address information of one or more Network Access Points corresponding to domain-name information, in the priority list corresponding with accessible each Network Access Point in current terminal access address section, determine priority corresponding to one or more Network Access Points that domain-name information is corresponding;

First chooses unit, for priority corresponding to one or more Network Access Points corresponding according to domain-name information, for terminal is chosen Network Access Point to be accessed.

Wherein, choose unit specifically for:

Preferably, first chooses module 702, comprising:

Second chooses unit, for elected while getting the highest Network Access Point of multiple priority satisfying condition, choose with the address information of terminal in the close Network Access Point of default address field as the master network access point in Network Access Point to be accessed.

Preferably, first choose module 702 and also comprise:

Preferably, device also comprises:

Probe instructions sending module 704, for periodically sending probe instructions to each Network Access Point, so that each Network Access Point feeds back current load state and needs the path service quality of the IP address field of surveying.

Preferably, device also comprises:

Priority arranges module 705, for the current load state feeding back according to each Network Access Point and the path service quality that needs the IP address field of surveying, the priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section is set.

Preferably, device also comprises:

Re-register module 706, for when the path service quality that detects the IP address field that existence need to survey lower than the Network Access Point of predetermined threshold value or break down Network Access Point time, need the path service quality of the IP address field of detection to send the information for re-registering lower than the terminal of the Network Access Point of predetermined threshold value or the Network Access Point that breaks down to access.

Preferably, device also comprises:

Information is started module 707, for send address information or the domain-name information of the each Network Access Point matching with terminal access address section to terminal.

Embodiment eight

The embodiment of the present invention provides a kind of device of choosing Network Access Point, and referring to Fig. 3, this device comprises:

Request sending module 801, for sending the request of obtaining Network Access Point to device management server DMS;

Processing module 802, for address information or the domain-name information of the each Network Access Point matching with self access address section that receives that DMS sends, and send probe instructions according to address information or domain-name information to each Network Access Point, so that each Network Access Point feedback load situation;

Measurement module 803, for measuring the path service quality between self and each Network Access Point;

Second chooses module 804, for according to the path service quality between the load state of each Network Access Point feedback and self and the each Network Access Point that measure, chooses one or more Network Access Points to be accessed.

Preferably, second choose module 804 specifically for:

Embodiment nine

The embodiment of the present invention provides a kind of device management server, referring to Fig. 9.Comprise:

Memory 901 and at least one processor 902, processor 902 is configured to carry out following operation:

The request of obtaining Network Access Point that receiving terminal sends;

According to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, for terminal is chosen one or more Network Access Points to be accessed, the path service quality of the protocol IP address field wherein interconnecting between terminal access address section and priority list corresponding to accessible Network Access Point are by the load state of each Network Access Point periodic feedback and the network that needs to survey is determined;

Network Access Point to be accessed is returned to terminal.

Preferably, in the request of obtaining Network Access Point that receiving terminal sends, also carry the domain-name information of preallocated Network Access Point,

Accordingly, according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, choose one or more Network Access Points to be accessed for terminal, comprising:

Resolve the domain-name information of preallocated Network Access Point, obtain the address information of one or more Network Access Points that domain-name information is corresponding;

According to the address information of one or more Network Access Points corresponding to domain-name information, in the priority list corresponding with accessible each Network Access Point in current terminal access address section, determine priority corresponding to one or more Network Access Points that domain-name information is corresponding;

Priority corresponding to one or more Network Access Points corresponding according to domain-name information, for terminal is chosen Network Access Point to be accessed.

Preferably, priority corresponding to one or more Network Access Points corresponding according to domain-name information, chooses Network Access Point to be accessed for terminal, comprising:

Preferably, according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section, choose one or more Network Access Points to be accessed for terminal, comprising:

Preferably, choose with the address information of terminal in the close Network Access Point of default address field as after the master network access point in Network Access Point to be accessed, method also comprises:

Preferably, before receiving the request of obtaining Network Access Point of subscriber equipment terminal transmission, method also comprises:

Periodically send probe instructions to each Network Access Point, so that each Network Access Point feeds back current load state and needs the path service quality of the IP address field of surveying.

Preferably, periodically, after each Network Access Point sends probe instructions, method also comprises:

The path service quality of the IP address field that the current load state feeding back according to each Network Access Point and needs are surveyed, arranges the priority in the priority list that each Network Access Point is corresponding with accessible Network Access Point in terminal access address section.

Preferably, after Network Access Point to be accessed is returned to terminal, method also comprises:

When the path service quality that detects the IP address field that existence need to survey lower than the Network Access Point of predetermined threshold value or break down Network Access Point time, the path service quality that needs the IP address field of surveying to access sends the information for re-registering lower than the terminal of the Network Access Point of predetermined threshold value or the Network Access Point that breaks down.

Preferably, after receiving the request of obtaining Network Access Point of subscriber equipment terminal transmission, method also comprises:

Send address information or the domain-name information of the each Network Access Point matching with terminal access address section to terminal.

Embodiment ten

The embodiment of the present invention provides a kind of name server, referring to Figure 10.Comprise:

Memory 1001 and at least one processor 1002, processor 1002 is configured to carry out following operation:

The request of obtaining Network Access Point that receiving terminal sends;

Network Access Point to be accessed is returned to terminal.

Embodiment 11

The embodiment of the present invention provides a kind of terminal, referring to Figure 11.Comprise:

Memory 1101 and at least one processor 1102, processor 1102 is configured to carry out following operation:

Address information or the domain-name information of the each Network Access Point matching with self access address section that receives that DMS sends, and send probe instructions according to address information or domain-name information to each Network Access Point, so that each Network Access Point feedback load situation;

Measure the path service quality between self and each Network Access Point;

According to the path service quality between the load state of each Network Access Point feedback and self and the each Network Access Point that measure, choose one or more Network Access Points to be accessed.

Preferably, according to the path service quality between the load state of each Network Access Point feedback and self and the each Network Access Point that measure, choose one or more Network Access Points to be accessed, comprising:

The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.

One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. a method of choosing Network Access Point, is characterized in that, described method comprises:

The request of obtaining Network Access Point that receiving terminal sends;

2. method according to claim 1, is characterized in that, also carries the domain-name information of preallocated Network Access Point in the request of obtaining Network Access Point that described receiving terminal sends,

3. method according to claim 2, is characterized in that, described priority corresponding to one or more Network Access Points corresponding according to domain name information, chooses Network Access Point to be accessed for described terminal, comprising:

4. method according to claim 1, it is characterized in that, describedly choose one or more Network Access Points to be accessed according to the priority in current each Network Access Point priority list corresponding with accessible Network Access Point in terminal access address section for described terminal, comprising:

5. method according to claim 4, is characterized in that, described in choose with the address information of described terminal in the close Network Access Point of default address field as after the master network access point in Network Access Point to be accessed, described method also comprises:

6. method according to claim 1, is characterized in that, before the request of obtaining Network Access Point that described reception subscriber equipment terminal sends, described method also comprises:

7. method according to claim 6, is characterized in that, described periodicity is after each Network Access Point sends probe instructions, and described method also comprises:

8. method according to claim 7, is characterized in that, described described Network Access Point to be accessed is returned to described terminal after, described method also comprises:

9. method according to claim 1, is characterized in that, after the request of obtaining Network Access Point that described reception subscriber equipment terminal sends, described method also comprises:

10. a method of choosing Network Access Point, is characterized in that, described method comprises:

11. methods according to claim 10, it is characterized in that, describedly choose one or more Network Access Points to be accessed according to the path service quality between the load state of described each Network Access Point feedback and self and the described each Network Access Point that measure, comprising:

Choose the device of Network Access Point for 12. 1 kinds, it is characterized in that, described device comprises:

13. devices according to claim 12, is characterized in that, also carry the domain-name information of preallocated Network Access Point in the request of obtaining Network Access Point that described receiving terminal sends,

Accordingly, described first chooses module, comprising:

14. devices according to claim 13, is characterized in that, described in choose unit specifically for:

15. devices according to claim 12, is characterized in that, described first chooses module, comprising:

16. devices according to claim 15, is characterized in that, described first chooses module also comprises:

17. devices according to claim 12, is characterized in that, described device also comprises:

18. devices according to claim 17, is characterized in that, described device also comprises:

19. devices according to claim 18, is characterized in that, described device also comprises:

20. devices according to claim 12, is characterized in that, described device also comprises:

Choose the device of Network Access Point for 21. 1 kinds, it is characterized in that, described device comprises:

22. devices according to claim 21, is characterized in that, described second choose module specifically for: