CN101729326B - Automatic configuration server selection method and system, domain name system and home gateway - Google Patents
Automatic configuration server selection method and system, domain name system and home gateway Download PDFInfo
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Abstract
The invention discloses an automatic configuration server selection method and a system, a domain name system and a home gateway. The method is used in a communication system which comprises the home gateway, the domain name system, a universal resource localizer and automatic configuration servers. The method comprises the following steps: the corresponding relations of a universal resource localizer and a plurality of IP addresses are configured in the domain name system, wherein each IP address corresponds to one automatic configuration server; the domain name system receives an analysis request transmitted by the home gateway according to the preset universal resource localizer, and transmits the multiple IP addresses corresponding to the universal resource localizer to the home gateway according to the analysis request; and the home gateway randomly selects one IP address from the received multiple IP addresses, and transmits an access request to the automatic configuration server corresponding to the selected IP address, thereby reducing the development cost for hardware and software.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of system of selection and system, domain name system and home gateway of Automatic Configuration Server.
Background technology
Along with indoor covering has become the emphasis that 3G network is built, suitable indoor covering scheme is owing to can allow network bring into play the effect of its maximum on the one hand, for operator creates larger value, also can save on the other hand the networking cost of operator, the low input of real realization, high repayment, increasing multinational operator begins to wish to provide the radio access scheme of a kind of ALL in One.This wherein, femto base station (Femto-node) is exactly a kind of radio reception device that can satisfy this requirement, it can be hot localised points (for example, family) fixed network and mobile network in combine, thereby the advantage that takes full advantage of fixing and mobile network satisfies the demand of user and operator.
Because the quantity of Fetmo-node is very large, and directly be positioned in family or the office, and the user who uses Fetmo-node does not generally have the maintenance experience of specialty, therefore, Fetmo-node need to have the characteristic of plug and play, be that Femto-node wants when powering on and can automatically dispose, need not user's interference and can enter operating state.Therefore in the system architecture of Femto-node, generally have a kind of network element device as Automatic Configuration Server (the Automatic Configuration Server of Femto-node, referred to as ACS), to the ACS request registration, ACS then finishes access authentication and the data configuration function of Femto-node to Femto-node when powering on.
Meanwhile, because the One's name is legion of Femto-node, and the disposal ability of each ACS is limited, therefore, must consider the load sharing scheme of ACS.Load sharing scheme for ACS, that relatively commonly uses at present has two kinds: the first is to access shunting by the preposition intelligent exchange of ACS cluster, this method need to dispose intelligent exchange, select the operable ACS of Femto-node by this intelligent exchange according to the load condition of ACS, but can cause the rising of hardware cost; Second method is to realize distributed ACS with software, this method is monitored the load of all ACS by software systems, then select the operable ACS of Femto-node by software systems according to the load condition of ACS, but the software development cost in this mode is higher.Therefore, generally speaking the cost of present existing ACS load sharing scheme is relatively all higher.
Summary of the invention
Propose the present invention for the higher problem of cost of implementing present ACS load sharing scheme needs, for this reason, the present invention aims to provide a kind of system of selection and system, domain name system and home gateway of Automatic Configuration Server, to address the above problem.
A kind of system of selection of Automatic Configuration Server is provided according to an aspect of the present invention.
System of selection according to Automatic Configuration Server of the present invention, be applied to comprise the communication system of home gateway, domain name system, Universal Resource Locator, Automatic Configuration Server, comprise following operation: the corresponding relation of configure generic resource localizer and a plurality of IP address in domain name system, wherein, corresponding Automatic Configuration Server in each IP address; Domain name system receives the analysis request that home gateway sends according to the Universal Resource Locator that presets, and sends to home gateway according to analysis request a plurality of IP address that Universal Resource Locator is corresponding; Home gateway is selected an IP address at random from a plurality of IP address that receives, and corresponding Automatic Configuration Server sends access request to the IP address of selecting.
Preferably, after Automatic Configuration Server sent access request, said method also comprised at home gateway: Automatic Configuration Server receives access request, and returns the access response message according to load condition to home gateway.
Preferably, Automatic Configuration Server returns the access response message according to load condition to home gateway and comprises: Automatic Configuration Server is judged its load condition value threshold value that whether overloads; If the determination result is NO, then Automatic Configuration Server returns to home gateway and accepts the access response message, otherwise Automatic Configuration Server returns refusal access response message to home gateway, wherein, carry the information of Automatic Configuration Server excess load in the refusal access response message.
Preferably, Automatic Configuration Server returns refusal access response message to home gateway after, said method also comprises: home gateway receives refusal access response message, select at random a new IP address in other IP address except the IP address of selecting from a plurality of IP address, and corresponding Automatic Configuration Server sends access request to the new IP address of selecting.
Preferably, said method also comprises: if Automatic Configuration Server corresponding to all IP addresses returns refusal access response message, then home gateway is selected an IP address at random from a plurality of IP address behind the first predetermined amount of time, and corresponding Automatic Configuration Server sends access request to the IP address of selecting.
Preferably, said method also comprises: if home gateway does not receive the access response message of Automatic Configuration Server corresponding to the IP address of selection in the second predetermined amount of time, the Automatic Configuration Server that then home gateway is corresponding to other IP address in a plurality of IP address sends access request.
Preferably, home gateway is femto base station.
According to a further aspect in the invention, provide a kind of domain name system.
Domain name system according to the present invention comprises: configuration module, and for the corresponding relation of configure generic resource localizer and a plurality of IP address, wherein, the corresponding Automatic Configuration Server in each IP address; Receiver module is used for receiving the analysis request that home gateway sends according to the Universal Resource Locator that presets; Sending module, the analysis request that is used for receiving according to receiver module sends to home gateway with a plurality of IP address corresponding to Universal Resource Locator that configuration module disposes, home gateway is selected an IP address at random from a plurality of IP address that receives, and corresponding Automatic Configuration Server sends access request to the IP address of selecting.
According to a further aspect in the invention, also provide a kind of home gateway.
Home gateway according to the present invention comprises: the first sending module is used for sending analysis request according to the Universal Resource Locator that presets to domain name system; Receiver module is used for receiving the domain name system responses in a plurality of IP address that analysis request sends, and wherein, domain name system is used for the corresponding relation of pre-configured Universal Resource Locator and a plurality of IP address, wherein, and the corresponding Automatic Configuration Server in each IP address; Select module, be used for selecting at random an IP address from a plurality of IP address that receiver module receives; The second sending module is used for the Automatic Configuration Server corresponding to the IP address of selecting module to select and sends access request.
A kind of selective system of Automatic Configuration Server also is provided according to a further aspect in the invention.
According to the selective system of Automatic Configuration Server of the present invention, comprise domain name system and home gateway, wherein, domain name system comprises: configuration module, the corresponding relation that is used for configure generic resource localizer and a plurality of IP address, wherein, the corresponding Automatic Configuration Server in each IP address; The first receiver module is used for receiving the analysis request that home gateway sends according to the Universal Resource Locator that presets; The first sending module, the analysis request that is used for receiving according to the first receiver module sends to home gateway with a plurality of IP address corresponding to Universal Resource Locator that configuration module disposes; Home gateway comprises: the second sending module is used for sending analysis request according to the Universal Resource Locator that presets to domain name system; The second receiver module is used for receiving a plurality of IP address; Select module, be used for selecting at random an IP address from a plurality of IP address that the second receiver module receives; The 3rd sending module is used for the Automatic Configuration Server corresponding to the IP address of selecting module to select and sends access request.
Preferably, said system also comprises Automatic Configuration Server, and particularly, Automatic Configuration Server comprises: the 3rd receiver module is used for receiving access request; Feedback module is used for accessing response message according to the load condition of Automatic Configuration Server to the home gateway feedback.
Wherein, feedback module comprises: judge submodule, the load condition value that is used for the judging Automatic Configuration Server threshold value that whether overloads; The first feedback submodule is used for judging in the submodule situation that the determination result is NO, accepts the access response message to the home gateway feedback; The second feedback submodule, being used in the judged result of judging submodule is in the situation that is, to home gateway feedback refusal access response message, wherein, carries the information of Automatic Configuration Server excess load in the refusal access response message.
By the present invention, the corresponding relation of employing configure generic resource localizer and a plurality of IP address in domain name system, home gateway is selected an IP address at random from a plurality of IP address from domain name system, and to the IP address of selecting corresponding Automatic Configuration Server sends the method for access request, reached the purpose that ACS shares load, do not need to increase hardware or software setting, solve the higher problem of cost of the load sharing scheme needs of implementing present ACS, and then reduced the hardware and software development cost.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is for the system architecture diagram that comprises Femto-node of implementing the embodiment of the invention;
Fig. 2 is the structured flowchart according to the selective system of the ACS of the embodiment of the invention;
Fig. 3 is the preferred structure block diagram according to the selective system of the ACS of the embodiment of the invention;
Fig. 4 is the flow chart according to the system of selection of the ACS of the embodiment of the invention;
Fig. 5 is the detail flowchart according to the system of selection of the ACS of the embodiment of the invention.
Embodiment
Functional overview
The invention provides system of selection and system, domain name system and the home gateway of a kind of ACS, by Universal Resource Locator (the Universal Resource Locator that parses ACS, referred to as URL) a plurality of IP address is (wherein, the corresponding ACS in each IP address), Femto-node accesses the mode of ACS corresponding to one of them IP address at random, can reach the purpose of load sharing.
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is for the system architecture diagram that comprises Femto-node of implementing the embodiment of the invention, as shown in Figure 1, support based on Simple Object Access Protocol (Simple Object Access Protocol between ACS and the Femto-node, referred to as SOAP) client wide area network management agreement (CPE WAN Management Protocol, referred to as CWMP), Femto-node and its security gateway (Security Gateway, referred to as SeGW) by wide area network (Wide Area Network, referred to as WAN) communicate, SeGW is by local area network (LAN) (Local Area Network, referred to as LAN) and authentication and authorization charging entity (Authentication, Authorization and Accounting, referred to as AAA), AG, ACS communicates, and the IP Sec building tunnel between the SeGW and dismounting are in order to guarantee the communications security between Femto-node and the ACS, and this process is not done in embodiments of the present invention and elaborated.AG is by asynchronous transfer mode (Asynchronous TransferMode, referred to as ATM)/IP and (the Mobile Switching Center of mobile switching centre, referred to as MSC), service universal packet wireless business affair support node (Serving Generalpacket radio service support node, referred to as SGSN) communicate, (the Operation Maintain Center of the operation maintenance center that is connected with AG, referred to as OMC)-AG communicates by LAN and Element management system (Element Management System is referred to as EMS); Wherein, ACS is as the nucleus equipment of adaptive network, for Femto-node provides from business such as installation, self-configuring, software upgradings, ACS is as the control data corporation of Femto-node system simultaneously, configuration to the Femto-node initialization data is provided, all Femto-node all initiate registration request to ACS first when starting, the following specifically describes embodiments of the invention.
System embodiment
According to embodiments of the invention, a kind of domain name system (Domain NameSystem is provided, referred to as DNS), the selective system of home gateway and ACS, wherein, above-mentioned domain name system and home gateway can be applied to the selective system of ACS, and the selective system of this ACS can be applied to communication system shown in Figure 1.
Fig. 2 is the structured flowchart according to the selective system of the ACS of the embodiment of the invention, and as shown in Figure 2, this system comprises: comprise DNS2 and home gateway 4, wherein:
DNS2 comprises: configuration module 22, the first receiver module 24, the first sending module 26, the below is described said structure.Configuration module 22 is used for disposing the corresponding relation of URL and a plurality of IP address, wherein, and the corresponding ACS in each IP address.The first receiver module 24 is used for receiving the analysis request that home gateway sends according to the URL that presets.The first sending module 26 is connected to configuration module 22 and the first receiver module 24, is used for according to the analysis request that the first receiver module 24 receives a plurality of IP address corresponding to URL that configuration module 22 disposes being sent to home gateway.
Home gateway 4 is connected to DNS2, specifically comprises: the second sending module 40, the second receiver module 42, selection module 44, the second sending module 46, the below is described said structure.The second sending module 40 is used for sending analysis request according to the URL that presets to DNS.The second receiver module 42 is connected to the second sending module 40, is used for receiving a plurality of IP address that DNS sends in response to the analysis request of the second sending module 40 transmissions.Select module 44, be connected to the second receiver module 42, be used for selecting at random an IP address from a plurality of IP address that the second receiver module 42 receives.The second sending module 46 is connected to and selects module 44, is used for sending access request to ACS corresponding to the IP address of selecting module 44 to select.
Need to prove; the present invention includes but be not limited to the various discrete or combining form of above-described embodiment; for example; although more than described the situation that DNS2 and home gateway 4 arrange in same system; but the invention is not restricted to this, be appreciated that above-mentioned DNS2 and home gateway 4 are except using in same system; can also be arranged in different systems and use separately respectively, all within protection scope of the present invention.
Fig. 3 is the preferred structure block diagram according to the selective system of the ACS of the embodiment of the invention, and as shown in Figure 3, said system also comprises ACS6, and particularly, ACS6 comprises: the 3rd receiver module 62 and feedback module 64, the below is described said structure.
The 3rd receiver module 62 can be connected to home gateway 4, is used for receiving the access request from home gateway 4.Feedback module 64 is connected to the 3rd receiver module 62, is used for after the 3rd receiver module 62 receives access request, feeds back the access response messages according to the load condition of ACS to home gateway 4.
Wherein, feedback module 64 specifically comprises: judge submodule 642 and the first feedback submodule 644 that is connected with this judgement submodule 642 respectively and the second feedback submodule 646.The below is described said structure.Judge submodule 642, the load condition value that is used for the judging ACS threshold value that whether overloads.The first feedback submodule 644 is connected to and judges submodule 642, is used for judging in submodule 642 situation that the determination result is NO, accepts the access response message to the home gateway feedback.The second feedback submodule 646 is connected to and judges submodule 642, and being used in the judged result of judging submodule 642 is in the situation that is, to home gateway feedback refusal access response message, wherein, carries the information of ACS excess load in the refusal access response message.
By this embodiment, the selective system of ACS is provided, realized the load sharing of ACS, without any need for hardware cost, ACS software also need not to consider distributed schemes, is a kind of adaptation flexible networking, low cost, high efficiency load sharing system.
The specific implementation process of the selective system of the ACS that the below provides the above embodiment of the present invention is described in detail.
Step 3, the first receiver module 24 of DNS2 receives the analysis request of home gateway 4, and the first sending module 26 of DNS2 sends to home gateway 4 according to the analysis request that the first receiver module 24 receives with a plurality of IP address corresponding to URL that configuration module 22 disposes; For example, send three ACS IP address 10.61.19.41,10.61.19.42,10.61.19.43;
Step 4, the second receiver module 42 of home gateway 4 receives a plurality of IP address of the first sending module 26 transmissions of DNS2, select module 44 from a plurality of IP address that the second receiver module 42 receives, to select at random an IP address, for example, select module 44 to select 10.61.19.42 as the ACS IP address of request access, the second sending module 46, the ACS6 corresponding to the IP address of selecting module 44 to select sends access request;
Step 5, the access request that the 3rd receiver module 62 of ACS6 receives from home gateway 4, the feedback module 64 of ACS6 after the 3rd receiver module 62 receives access request, feeds back the access response messages according to the load condition of ACS to home gateway 4;
Particularly, judge that submodule 642 judges the load condition value of the ACS6 threshold value that whether overloads, judging in submodule 642 situation that the determination result is NO, the first feedback submodule 644 is accepted the access response message to home gateway 4 feedbacks, judged result at judgement submodule 642 is in the situation that is, the second feedback submodule 646 wherein, carries the information of ACS6 excess load to home gateway 4 feedback refusal access response messages in the refusal access response message.
By this embodiment, provide the example of realizing the load sharing of ACS by the selective system of ACS.
Embodiment of the method
According to embodiments of the invention, the system of selection of a kind of ACS is provided, the method can be applied to communication system shown in Figure 1, and the method can realize by the correlation module according to the selective system of the ACS of the embodiment of the invention.In the implementation process of this embodiment, the ACS group of load sharing (comprising a plurality of ACS) uses identical URL each other, and a plurality of ACS share a Femto-node information database.
Fig. 4 is the flow chart according to the system of selection of the ACS of the embodiment of the invention, and as shown in Figure 4, the method comprising the steps of S402 is to step S406, and concrete operations are as follows:
Step S402, the corresponding relation of a plurality of IP address of configuration URL and ACS group that is to say in DNS, when in DNS the URL mapping IP address of ACS being arranged, a plurality of ACS IP address of the URL corresponding A CS group of ACS, the corresponding ACS in each IP address here;
Step S404, DNS receives the analysis request that home gateway sends according to the URL that presets, and sends to home gateway according to analysis request a plurality of IP address that URL is corresponding; The home gateway here can be Femto-node;
Need to prove, in the management mode of home gateway, home gateway generally is the URL of burning ACS in home gateway for the discovery of ACS, home gateway is searched the URL of ACS when powering on, and the IP address of asking ACS to DNS, the URL of dns resolution ACS also returns IP address corresponding to ACS, and Femto-node is a kind of as home gateway, and its mode that powers on is no exception;
Step S406, home gateway select an IP address as the IP address of accessible ACS from a plurality of IP address that receives at random, and corresponding ACS sends access request to the above-mentioned IP address of selecting; ACS receives access request, and returns the access response message according to load condition to home gateway; Particularly, ACS judges its load condition value threshold value that whether overloads; If the determination result is NO, then ACS returns to home gateway and accepts access response message (can be called initial configuration acceptance response message, this does not affect the essence of invention yet), enters the subsequent treatment of the access request of Femto-node; Otherwise, ACS returns refusal access response message (can be called initial configuration refusal response message, this does not affect the essence of invention yet) to home gateway, wherein, the information that carries the ACS excess load in the refusal access response message is Reason For Denial information, and the Reason For Denial value is that ACS is busy.
By this embodiment, the corresponding relation of URL and a plurality of IP address is disposed in employing in DNS, home gateway is selected the method for IP address at random from a plurality of IP address, reached the purpose that ACS shares load, do not need to increase hardware or software setting, solve the higher problem of cost of the load sharing scheme needs of implementing present ACS, and then reduced the hardware and software development cost.
Preferably, in step S406, if ACS returns refusal access response message to home gateway, home gateway receives this refusal access response message, can again initiate access procedure, particularly, again select at random a new IP address in other IP address except this IP address from a plurality of IP address, and corresponding ACS sends access request to the new IP address of selecting.
After this, if ACS corresponding to all IP addresses returns refusal access response message, then home gateway (for example, 3600s) select at random afterwards an IP address from a plurality of IP address, and corresponding ACS sends access request to the IP address of selecting at the first predetermined amount of time; (for example, do not receive the access response message of ACS in 1s), the ACS that then home gateway is corresponding to other IP address in a plurality of IP address sends access request if home gateway is at the second predetermined amount of time.That is to say, if Femto-node was after attempting all ACS IP addresses, all busy without response or ACS because of ACS, then wait for, and behind the second predetermined amount of time of having waited in advance with the ACS agreement, again attempt access, until access successfully, the number of times of perhaps attempting access reaches the threshold value (for example, 10 times) that sets in advance, if also do not access successfully, then return failure.
The below describes the present invention as an example of Femto-node adaptive management network example, Fig. 5 is according to the detail flowchart of the system of selection of the ACS of the embodiment of the invention under this scene, as shown in Figure 5, describe as an example of the process that is applied to communication system shown in Figure 1 example, the method comprising the steps of S502 is to step S526, and concrete operations are as follows:
Step S502, Femto-node detects (Check) SeGW URL;
Step S504, Femto-node sends request (DNS Query) according to the SeGW URL that detects to DNS, and DNS returns SeGW information according to this request to Femto-node;
Need to prove, at first need to the URL of middle ACS and ACS group's IP address corresponding relation (that is, above-mentioned steps S402) be set at DNS, in DNS, be rendered as ACS URL is arranged the corresponding clauses and subclauses of multirow URL and IP address; For example, in the system of present embodiment, ACS group has three ac servers that load sharing is carried out in Femto-node access, the URL of ACS is http://www.femtoacs.com.cn/tr-069, three corresponding ac server IP addresses are 10.61.19.41,10.61.19.42,10.61.19.43, the corresponding 10.61.19.41 of http://www.femtoacs.com.cn/tr-069 is set, the corresponding 10.61.19.42 of http://www.femtoacs.com.cn/tr-069, the corresponding 10.61.19.43 of http://www.femtoacs.com.cn/tr-069; And its ACS URL burning of the Femto-node of granting is http://www.femtoacs.com.cn/tr-069; Wherein, all ACS in the ACS group share a database, when having preserved the parameter that need to dispose when Femto-node powers on and Femto-node in this database and powering on Femto-node are carried out the security parameter etc. of authentication;
Step S506, Femto-node and SeGW set up secure tunnel;
Step S508, behind the Femto-node electrifying startup, detecting ACS URL is http://www.femtoacs.com.cn/tr-069;
Step S510, Femto-node sends analysis request according to the ACS URL that detects to DNS, that is and, Femto-node is to IP address corresponding to DNS inquiry http://www.femtoacs.com.cn/tr-069; After this, DNS receives this analysis request, and returns a plurality of IP address corresponding to a plurality of ACS (that is, above-mentioned steps S404) according to this analysis request to Femto-node; For example, return three ACS IP address 10.61.19.41,10.61.19.42,10.61.19.43;
Step S512, Femto-node select IP address (that is, above-mentioned steps S406) corresponding to (Select) ACS at random from a plurality of IP address of returning; For example, Femto-node selects 10.61.19.42 as the ACS IP address of request access;
Step S514, Femto-node are that the ACS of 10.61.19.42 sends initial configuration request (Initial Configuration Required) to the IP address; This ACS receives the access request from Femto-node, detects self load condition, if load proceeds to step S516 in normal condition, if load has reached threshold value or near threshold value, proceeded to step S518;
Step S516, enter Femto-node access request normal process flow process, and this ACS returns initial configuration acceptance response message (Initial ConfigurationAccept) to Femto-node, wherein, the normal process flow process comprises that Femto-node authentication and Femto-node configuration data issue, that is to say that Femto-node successfully accesses ACS (Access ACSsuccessfully), proceeds to step S524;
Step S518, the access request of this ACS refusal Femto-node, return initial configuration refusal response message (Initial Configuration Reject to Femto-node, includeACS busy), and carry therein Reason For Denial for the information of " ACS is busy ", proceed to step S522;
Step S520, Femto-node does not receive the access response message (No response) of ACS in the time-out time section, for example, Femto-node waits for that the time-out time section of ACS response is 1s, if in 1s, do not receive the response from ACS, proceed to step S522;
Step S522, Femto-node receives the refusal access response of ACS, and check that refusal accesses reason, if Reason For Denial is " ACS is busy ", perhaps Femto-node does not receive the access response message, then Femto-node reselects an ACS IP Address requests access, for example, Femto-node selects 10.61.19.41 request access, and repeating step S522 is to step S522, Femto-node attempts all available ACS IP addresses, if all ACS return admission reject response message (Try all ACS failure), proceeds to step S524;
Step S524 discharges secure tunnel (Release Security Tunnel), if all ACS return the admission reject response message, proceeds to step S526;
Step S526, Femto-node attempts all available ACS IP addresses, and all because ACS hurries and can't access without response or ACS, then Femto-node enters wait state, the stand-by period section is to then again proceeding to step S512, for example, the stand-by period section of Femto-node is 3600 seconds, and Femto-node is in the situation that can't access ACS, after waiting for 3600s, again attempt access ACS (Iftry all ACS failure, waiting 3600s, try againfrom S512).
Need to prove, whether Femto-node can access ACS two kinds of possibilities, a kind of is that Femto-node is illegal Femto-node through the ACS authentication, refuse its access for this situation ACS, and the explanation Reason For Denial is " illegal Femto-node ", for this situation, Femto-node does not reattempt again access; Another kind is that the bad or current overload of ACS of network condition causes Femto-node to access, and for this situation, allows Femto-node to wait for again access after the reasonable time section, rather than makes repeated attempts and cause the ACS message congestion.
By this embodiment, satisfied the demand of Femto-node access ACS being carried out load sharing, the technical scheme of the embodiment of the invention is applicable to the management of the Femto-node of various standards, comprise universal mobile telecommunications system (Universal Mobile TelecommunicationsSystem, referred to as UMTS), global system for mobile communications (Global System forMobile communications, referred to as GSM), micro-wave access to global intercommunication (Worldwide Interoperability for Microwave Access is referred to as WiMax) etc.
To sum up, pass through the above embodiment of the present invention, provide the method for wireless device access ACS being carried out load sharing, thereby balance ACS resource improves connection reliability and resource utilization, compare with other load sharing scheme, reduce hardware costs, reduce ACS software development complexity, and change in the networking situation, when some ACS fault or some ACS need upgrade, only need to revise URL and IP address reply relation on the DNS, need not to adjust network design.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, 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 the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the system of selection of an Automatic Configuration Server is applied to comprise the communication system of home gateway, domain name system, Universal Resource Locator, Automatic Configuration Server it is characterized in that described method comprises:
The corresponding relation of the described Universal Resource Locator of configuration and a plurality of IP address in the domain name system, wherein, the corresponding Automatic Configuration Server in each IP address;
The domain name system receives the analysis request that described home gateway sends according to the described Universal Resource Locator that presets, and sends to described home gateway according to described analysis request a plurality of IP address that described Universal Resource Locator is corresponding;
Described home gateway is selected an IP address at random from the described a plurality of IP address that receives, and corresponding Automatic Configuration Server sends access request to the described IP address of selecting.
2. method according to claim 1 is characterized in that, after described Automatic Configuration Server sent described access request, described method also comprised at described home gateway:
Described Automatic Configuration Server receives described access request, and returns the access response message according to load condition to described home gateway.
3. method according to claim 2 is characterized in that, described Automatic Configuration Server returns the access response message according to load condition to described home gateway and comprises:
Described Automatic Configuration Server is judged its load condition value threshold value that whether overloads;
If the determination result is NO, then described Automatic Configuration Server returns to described home gateway and accepts the access response message, otherwise, described Automatic Configuration Server returns refusal access response message to described home gateway, wherein, carry the information of described Automatic Configuration Server excess load in the described refusal access response message.
4. method according to claim 3 is characterized in that, described Automatic Configuration Server returned refusal access response message to described home gateway after, described method also comprised:
Described home gateway receives described refusal access response message, select at random a new IP address in other IP address except the described IP address of selecting from described a plurality of IP address, and corresponding Automatic Configuration Server sends access request to the described new IP address of selecting.
5. method according to claim 1 is characterized in that, described method also comprises:
If Automatic Configuration Server corresponding to described all IP addresses returns refusal access response message, then described home gateway is selected an IP address at random from described a plurality of IP address behind the first predetermined amount of time, and corresponding Automatic Configuration Server sends access request to the described IP address of selecting.
6. method according to claim 1 is characterized in that, described method also comprises:
If described home gateway does not receive the access response message of Automatic Configuration Server corresponding to the described IP address of selection in the second predetermined amount of time, the Automatic Configuration Server that then described home gateway is corresponding to other IP address in described a plurality of IP address sends access request.
7. each described method in 6 according to claim 1 is characterized in that described home gateway is femto base station.
8. a domain name system is characterized in that, comprising:
Configuration module, for the corresponding relation of configure generic resource localizer and a plurality of IP address, wherein, the corresponding Automatic Configuration Server in each IP address;
Receiver module is used for receiving the analysis request that home gateway sends according to the described Universal Resource Locator that presets;
Sending module, the described analysis request that is used for receiving according to described receiver module sends to described home gateway with a plurality of IP address corresponding to described Universal Resource Locator that described configuration module disposes, described home gateway is selected an IP address at random from the described a plurality of IP address that receives, and corresponding Automatic Configuration Server sends access request to the described IP address of selecting.
9. a home gateway is characterized in that, comprising:
The first sending module is used for sending analysis request according to the Universal Resource Locator that presets to domain name system;
Receiver module, be used for receiving the domain name system responses in a plurality of IP address that described analysis request sends, wherein, the domain name system is used for the corresponding relation of pre-configured described Universal Resource Locator and a plurality of IP address, wherein, corresponding Automatic Configuration Server in each IP address;
Select module, be used for selecting at random an IP address from described a plurality of IP address that described receiver module receives;
The second sending module is used for the Automatic Configuration Server corresponding to the described IP address that described selection module is selected and sends access request.
10. the selective system of an Automatic Configuration Server comprises domain name system and home gateway, it is characterized in that:
The domain name system comprises:
Configuration module, for the corresponding relation of configure generic resource localizer and a plurality of IP address, wherein, the corresponding Automatic Configuration Server in each IP address;
The first receiver module is used for receiving the analysis request that described home gateway sends according to the described Universal Resource Locator that presets;
The first sending module, the described analysis request that is used for receiving according to described the first receiver module sends to described home gateway with a plurality of IP address corresponding to described Universal Resource Locator that described configuration module disposes;
Described home gateway comprises:
The second sending module is used for sending analysis request according to the described Universal Resource Locator that presets to the domain name system;
The second receiver module is used for receiving described a plurality of IP address;
Select module, be used for selecting at random an IP address from described a plurality of IP address that described the second receiver module receives;
The 3rd sending module is used for the Automatic Configuration Server corresponding to the described IP address that described selection module is selected and sends access request.
11. system according to claim 10, described system also comprises Automatic Configuration Server, it is characterized in that, described Automatic Configuration Server comprises:
The 3rd receiver module is used for receiving described access request;
Feedback module is used for accessing response message according to the load condition of described Automatic Configuration Server to described home gateway feedback.
12. system according to claim 11 is characterized in that, described feedback module comprises:
Judge submodule, the load condition value that is used for the judging described Automatic Configuration Server threshold value that whether overloads;
The first feedback submodule is used in the described judgement submodule situation that the determination result is NO, accepts the access response message to described home gateway feedback;
The second feedback submodule, the judged result that is used at described judgement submodule is in the situation that is, to described home gateway feedback refusal access response message, wherein, carries the information of described Automatic Configuration Server excess load in the described refusal access response message.
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| CN102469523A (en) * | 2010-11-19 | 2012-05-23 | 中兴通讯股份有限公司 | Base station access method and base station access gateway |
| CN102231765A (en) * | 2011-06-28 | 2011-11-02 | 中兴通讯股份有限公司 | Method and device for realizing load balance and set-top box |
| CN102685726B (en) * | 2012-05-17 | 2014-11-26 | 中国联合网络通信集团有限公司 | Adaptive management entity, base station self-configuring method and base station self-configuring system |
| CN104427565B (en) * | 2013-08-28 | 2020-04-14 | 中兴通讯股份有限公司 | Switching processing method, access network information processing method and device |
| CN104411011B (en) * | 2014-11-28 | 2018-07-03 | 广州杰赛科技股份有限公司 | Femto cell, clock server time service, synchronous method and system |
| CN105791146B (en) * | 2014-12-24 | 2019-03-19 | 华为技术有限公司 | The method, apparatus and system that user side equipment is interacted with configuration server |
| CN109921961A (en) * | 2019-03-29 | 2019-06-21 | 深圳市思迪信息技术股份有限公司 | Multistation spot net speed-measuring method and device based on mobile platform |
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| CN1946211A (en) * | 2006-09-28 | 2007-04-11 | 江苏天泽信息产业有限公司 | Communication method between mobile terminal of GPRS/CDMA communication mode and central system |
| CN101098319A (en) * | 2006-06-27 | 2008-01-02 | 中国移动通信集团公司 | IP multimedia subsystem based family gateway and configuring method thereof |
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| CN101098319A (en) * | 2006-06-27 | 2008-01-02 | 中国移动通信集团公司 | IP multimedia subsystem based family gateway and configuring method thereof |
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