CN102469523A - Base station access method and base station access gateway - Google Patents

Base station access method and base station access gateway Download PDF

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Publication number
CN102469523A
CN102469523A CN2010105526087A CN201010552608A CN102469523A CN 102469523 A CN102469523 A CN 102469523A CN 2010105526087 A CN2010105526087 A CN 2010105526087A CN 201010552608 A CN201010552608 A CN 201010552608A CN 102469523 A CN102469523 A CN 102469523A
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access server
base station
load
access
server
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王伟
罗晓华
姚幸林
周辉
李光伟
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ZTE Corp
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ZTE Corp
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Priority to CN2010105526087A priority Critical patent/CN102469523A/en
Priority to PCT/CN2011/076289 priority patent/WO2012065445A1/en
Publication of CN102469523A publication Critical patent/CN102469523A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0272—Virtual private networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a base station access method and a base station access gateway, which are applied to a network protocol safety virtual private network. The method comprises the steps of acquiring the load of each access server; allocating the base stations to all the access servers according to the loads; and distributing access parameters to the base stations, to enable the base stations to access in the corresponding access servers according to the access parameters. By adopting the technical scheme provided by the invention, the problems of large manual configuration parameter workload and possibly happened errors are solved, and the base stations can independently complete the interlinking with the access servers without local configuration.

Description

Base station access method and gateway
Technical field
The present invention relates to the communications field, in particular to a kind of base station access method and gateway.
Background technology
Along with the arrival in all-IP epoch, the application of the base station of IPization is more and more general.The result of this IPization makes the IP base station any one to have the environment that IP inserts in the world, is linked in the access server through the IP transmission manner.
Owing to adopt the transmission means of IP, need to solve the safety issue under the IP transmission means.In order to guarantee to transmit safety of data, general solution is exactly to adopt the networking mode of Virtual Private Network at present.Wherein, the Virtual Private Network based on IP safety (IP Security abbreviates IPSEC as) agreement is exactly an a kind of representative networking mode wherein.This networking mode, through in the base station (Base Transceiver Station abbreviates BTS as) and security gateway (Security Gateway abbreviates SGW as) set up the IPSEC secure tunnel, guarantee safety of data transmission.
The inventor finds in the above-mentioned correlation technique, and this IP base station all is the relevant access parameter of configuration in this locality, for example: the IP of access server, the port of access server.In network system in actual moving process, if certain server failure, can't operate as normal, then need let the base station that is linked on this server transfer to other server, at this moment just need to revise the access parameter of base station.According to present this configuration mode; Revise relevant access parameter, can only go to this locality to revise through manual work, and can introduce the another one problem like this: when large-scale network-estabilishing is used; Because the IP base station number is huge; Revise if manual work is carried out local parameter to each base station, so not only workload is very big, and easy error.
Simultaneously, the configuration mode of present this static state also causes the unbalanced phenomenon of load of each access server easily.For example: when artificial this locality disposes access parameter; Maybe and not know the preload of working as of server; And all be fitted on the access parameter of a large amount of base stations on the same server; Will cause the load of this server too high like this, cause service quality to descend, and other server keep very big disposal ability.
Visible by above-mentioned analysis, adopt the configuration mode of traditional base station access parameter, not only can cause very big inconvenience, and sometimes also can service impacting quality.
Summary of the invention
Main purpose of the present invention is to provide a kind of base station access method and gateway, one of to address the above problem at least.
According to an aspect of the present invention, a kind of base station access method that is applied to procotol safety IPSEC Virtual Private Network is provided, has comprised: the load that obtains each access server; Distribute the base station according to above-mentioned load for each access server; To base station distribution access parameter, so that corresponding access server is inserted according to access parameter in the base station.
According to another aspect of the present invention, a kind of gateway that is applied to procotol safety IPSEC Virtual Private Network is provided, has comprised: the load acquisition module is used to obtain the load of each access server; The base station assigns module is used for distributing the base station according to above-mentioned load for each access server; Base station AM access module is used for to base station distribution access parameter, so that corresponding access server is inserted according to access parameter in the base station.
Through the present invention; Adopt and dynamically obtain the load condition of each access service; Distribute access parameter from the trend base station and make it insert the scheme of corresponding access server; Solved human configuration parameter workload greatly and the problem of easy error, just can accomplish voluntarily and the linking of access server thereby make the base station need not carry out local configuration.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the base station access method of the embodiment of the invention;
Fig. 2 is the sketch map of IPSEC negotiations process according to the preferred embodiment of the invention;
Fig. 3 is the network topology sketch map of the instance according to the present invention;
Fig. 4 is the base station of the instance according to the present invention and the sketch map of gateway information reciprocal process;
Fig. 5 is the gateway of the instance according to the present invention and the sketch map of access server information interactive process;
Fig. 6 is the structural representation according to the gateway of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 is the flow chart according to the base station access method of the embodiment of the invention.As shown in Figure 1, above-mentioned base station access method comprises:
Step S102 obtains the load of each access server.
Step S104 distributes the base station according to above-mentioned load for each access server.
Step S106 is to base station distribution access parameter, so that corresponding access server is inserted according to access parameter in the base station.
Through said method,, distribute access parameter automatically according to the load condition of each access server; Make the IP base station can insert corresponding access server automatically; Thereby no longer need carry out artificial this locality configuration, greatly reduce staff's workload, improve the reliability of configuration.Simultaneously,, make the load condition of each access server in the system more balanced, improved the reliability and the service quality of system because the distribution of base station is based on the load condition of each access server.
Preferably, among the step S102, the load that obtains each access server may further include following processing one of at least:
(1) periodically obtains the load of each access server.
(2) when new base station is inserted, obtain the load of said each server.
Periodically obtain the load of each access server, promptly every separated scheduled time is obtained load condition one time, and the cycle of obtaining load is can adjust based on actual conditions the above-mentioned scheduled time, to satisfy different needs.Behind the load that obtains each access server; Can (be the peak load value with the maximum load that allows just with the load that gets access to; Or be called the permissible load value) compare, judge whether to exist the access server of overload, when continuous several times obtain the load less than certain access server; Just assert this server failure, concrete number of times can preestablish according to condition of different.For overload with the access server of fault, corresponding processing is arranged in the subsequent step.When new base station is inserted, then need the real-time load that obtains each access server, so that should new base station assigns go down as early as possible.
Preferably, among the step S 104, according to load following processing one of at least for each access server distribution base station may further include:
(1) need divide timing as new base station, give load minimum access server new base station assigns.
When (2) surpassing the access server of peak load value when occurring in each access server loading; The access server that is lower than peak load value and average load value to load is shifted in the base station that this access server is corresponding, reduces to the average load value until the load of this access server.
(3) when breaking down access server in each access server, the access server that is lower than the average load value to load is shifted in whole base stations that this access server is corresponding.
Corresponding different situations needs different allocation strategies.Need divide timing as new base station, directly give load minimum access server this new base station assigns, needn't consider whether it transships.When surpassing the access server of peak load value when occurring loading; The access server that is lower than the peak load value and is lower than the average load value to other loads is shifted in then that this access server is corresponding part base station; Make this load of going into server reduce to the average load value; Be in order to handle overload, therefore can not to cause another access server overload at this moment in order to make this access server nonoverload.When breaking down access server, the access server that is lower than the average load value to other loads is shifted in whole base stations that this access server is corresponding, needs the preferential service that guarantees the client this moment, does not therefore consider the situation of transshipping.
Preferably, as shown in Figure 2, above-mentioned access parameter can be through the distribution of expansion IPSEC agreement.
Among the present invention, preferentially select the configuration mode of expansion IPSEC agreement for use, the automatic distribution of access parameter is carried out in the IP base station, with the dynamic access of automatic completion to access server.Wherein, the Configuration type of the configuration mode of expansion IPSEC agreement can define as follows:
Types Value
ACCESS_SERVER_INFO_REQUEST 129
ACCESS_SERVER_INFO_REPLY 130
Attribute can define as follows:
Attribute Value
ACCES_S_SERVER_IP 16600
SCCESS_SERVER_PORT 16601
Below in conjunction with instance above-mentioned preferred implementation is elaborated.
Fig. 3 is the network topology sketch map of the instance according to the present invention.As shown in Figure 3, provided the typical application of the present invention in the real network networking, wherein relate to:
M base station B 1, B 2... B m,
N access server S 1, S 2... S n,
N the load L that access server is current 1, L 2... L n, the load L that server allows;
N access server, C is counted in the base station that each server inserts 1, C 2... C n
Instance one: as a new base station B M+1The distribution of the access server during access
As shown in Figure 4, comprising:
Step S402:B M+1Initiate authentication request to gateway;
Step S404: gateway is to B M+1Send the response whether authentication is passed through;
Step S406:B M+1According to authentication result, initiate access parameter request (access server information request) to gateway;
Step S408: the base station receives response message, and gateway is according to B M+1In the authentication result of step S404, select S kAs B M+1Access server, S wherein kSatisfy L k=min{L 1, L 2... L n.
Fig. 5 is the gateway of the instance according to the present invention and the sketch map of access server information interactive process.As shown in Figure 5, the present invention increases a UDP message between gateway and access server, obtains the preload of working as of each access server through this message.The information interactive process of above-mentioned gateway and access server comprises:
Step S502 sends and obtains access server when preload request (UDP), to obtain the current load condition of each access server.
Step S504, gateway reception access server work as preload and reply, and carry out handled.
To carry out different processing for the access server of overload and the access server of fault, be elaborated below in conjunction with instance two, three.
Instance two: work as S kLoad surpassed the load that allows, i.e. L k＞L at this moment will be being linked into S kOn a part of base station transfer to other access server, comprising:
(1) gateway obtains the load of all access servers, at this moment S kThe load L that returns k＞L representes current S kLoad too high, need adjust;
(2) gateway calculates as follows:
Calculate the average of the load of all access servers:
Figure BDA0000033315040000071
Calculate S kThe base station number that needs transfer:
Figure BDA0000033315040000072
From S kThe last base station assigns that needs to shift is to S iOn, S wherein jSatisfied 1≤j≤n,
Figure BDA0000033315040000081
And j ≠ k lets all from S kLast base station of shifting is distributed according to the principle of load balancing, if the load of the access server that is assigned with is less, then distributes more base station to this server, otherwise then distributes less.Therefore, be assigned to S jOn base station number computing formula:
Figure BDA0000033315040000082
Up to all distributing C base station.
If the S that does not satisfy condition j, then do not distribute.
Instance three: the continuous several times of gateway obtain less than S kLoad, at this moment think S kBreak down, this moment will be being linked into S kOn whole base stations transfer on other access server, comprising:
(1) the continuous several times of gateway obtain less than S kLoad, at this moment think S kBreak down, this moment will be being linked into S kOn whole base stations transfer on other access server.
(2) gateway calculates as follows:
Calculate the average of the load of all access servers:
Figure BDA0000033315040000083
Owing at this moment can not obtain L kValue, so this moment L kUsefulness be before the value of preserving.
S kThe base station number of last access is C k, S kGo up all base stations and distribute according to the principle of load balancing, this moment is no matter whether the server that is assigned with has surpassed the load that allows, the server S that therefore is assigned with jSatisfied 1≤j≤n,
Figure BDA0000033315040000084
And j ≠ k.According to the principle of load balancing,, then distribute more base station to this server, otherwise then distribute less if the load of the access server that is assigned with is less.Therefore, be assigned to S jOn the base station number be:
Figure BDA0000033315040000091
Up to C kIndividual base station all distributes.
Fig. 6 is the structural representation according to the gateway of the embodiment of the invention.As shown in Figure 6, comprise according to the gateway of the embodiment of the invention:
Load acquisition module 62 is used to obtain the load of each access server.
Base station assigns module 64 is used for distributing the base station according to above-mentioned load for each access server.
Base station AM access module 66 is used for to base station distribution access parameter, so that corresponding access server is inserted according to access parameter in the base station.
Said apparatus can be based on the load condition of each access server; Distribute access parameter automatically; Make the IP base station insert corresponding access server automatically; Thereby avoided the configuration of artificial this locality, improved the reliability of configuration when greatly reducing staff's workload, made that also the load condition of each access server is more balanced.
Preferably, load acquisition module 62 can be used for: the load that periodically obtains each access server; When having new base station to insert, obtain the load of each server.
In the practical implementation process, on the opportunity that load acquisition module 62 obtains the load of each access server, include but not limited to above-mentioned 2 kinds of situation.
Preferably, base station assigns module 64 can be used for:
There is being new base station need divide timing, giving load minimum access server new base station assigns.
In each access server, occur loading when surpassing the access server of peak load value; The access server that is lower than peak load value and average load value to load is shifted in the base station that this access server is corresponding, reduces to the average load value until the load of this access server.
When in each access server, breaking down access server, the access server that is lower than the average load value to load is shifted in the base stations that this access server is whole.
The allocation strategy that condition of different is corresponding different, being chosen in said method embodiment and the instance of specific strategy has detailed description, repeats no more here.
Preferably, base station AM access module 66 can be used for through expansion IPSEC agreement distribution access parameter.
The present invention preferentially uses expansion IPSEC agreement distribution access parameter, in view of the present invention is applied to the IPSEC Virtual Private Network, uses expansion IPSEC agreement distribution access parameter to realize the most convenient and swift.
From above description; Can find out; Support of the present invention is carried out safety certification and the automatic distribution that inserts relevant parameter to the IP base station, and the IP base station is under the situation that need not carry out local configuration, and completion is connected with access server; Can effectively support the large-scale network-estabilishing of IP base station to use, and be that base station later parameter upgrading and maintenance offer convenience.Simultaneously, the present invention is the fault reply of load balancing and the server of further back-level server also, the reliability that can effectively improve network in the large-scale network-estabilishing with improve service quality.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a base station access method is applied to procotol safety IPSEC Virtual Private Network, it is characterized in that said method comprises:
Obtain the load of each access server;
According to said load is that said each access server distributes the base station;
To said base station distribution access parameter, so that corresponding access server is inserted according to said access parameter in said base station.
2. method according to claim 1 is characterized in that, the said load that obtains each access server comprise following one of at least:
Periodically obtain the load of said each access server;
When new base station is inserted, obtain the load of said each access server.
3. method according to claim 2 is characterized in that, it is one of following to be according to said load that said each access server distributes base station to comprise:
Need divide timing as new base station, give load minimum access server said new base station assigns;
When surpassing the access server of peak load value when occurring in said each access server loading; The access server that is lower than peak load value and average load value to load is shifted in the base station that this access server is corresponding, reduces to the average load value until the load of this access server;
When breaking down access server in said each access server, the access server that is lower than the average load value to load is shifted in whole base stations that this access server is corresponding.
4. according to each described method in the claim 1 to 3, it is characterized in that said access parameter is through the distribution of expansion IPSEC agreement.
5. a gateway is applied to procotol safety IPSEC Virtual Private Network, it is characterized in that said gateway comprises:
The load acquisition module is used to obtain the load of each access server;
The base station assigns module, being used for according to said load is that said each access server distributes the base station;
Base station AM access module is used for to said base station distribution access parameter, so that corresponding access server is inserted according to said access parameter in said base station.
6. gateway according to claim 5 is characterized in that, said load acquisition module is used for periodically obtaining the load of said each access server; When having new base station to insert, obtain the load of said each access server.
7. based on the described gateway of claim 6, it is characterized in that said base station assigns module is used for having new base station need divide timing, give load minimum access server said new base station assigns; In said each access server, occur loading when surpassing the access server of peak load value; The access server that is lower than peak load value and average load value to load is shifted in the base station that this access server is corresponding, reduces to the average load value until the load of this access server; When in said each access server, breaking down access server, the access server that is lower than the average load value to load is shifted in the base stations that this access server is whole.
8. according to each described gateway in the claim 5 to 7, it is characterized in that the AM access module of said base station is used for distributing said access parameter through expansion IPSEC agreement.
CN2010105526087A 2010-11-19 2010-11-19 Base station access method and base station access gateway Pending CN102469523A (en)

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CN101729326A (en) * 2008-10-21 2010-06-09 中兴通讯股份有限公司 Automatic configuration server selection method and system, domain name system and home gateway

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CN101729327A (en) * 2008-10-17 2010-06-09 中兴通讯股份有限公司 Method for selecting access gateway and automatic configuration server
CN101729326A (en) * 2008-10-21 2010-06-09 中兴通讯股份有限公司 Automatic configuration server selection method and system, domain name system and home gateway

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Application publication date: 20120523