CN201571069U - Access equipment and system thereof - Google Patents
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- CN201571069U CN201571069U CN2009202692355U CN200920269235U CN201571069U CN 201571069 U CN201571069 U CN 201571069U CN 2009202692355 U CN2009202692355 U CN 2009202692355U CN 200920269235 U CN200920269235 U CN 200920269235U CN 201571069 U CN201571069 U CN 201571069U
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- authentication server
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- dialing authentication
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Abstract
The utility model provides access equipment and the system thereof. The access equipment comprises a receiving module, a selecting module and a sending module, wherein the receiving module is used for receiving certification, authorization and accounting requests; the selecting module is used for selecting a remote user dial certification server from a plurality of parallel-operating remote user dial certification servers; and the sending module is used for sending the current certification, authorization and accounting requests to the remote user dial certification server selected by the selecting module, so as to process the current certification, authorization and accounting requests. The access equipment and the system thereof of the embodiment provided by the utility model can enhance the process efficiency in processing AAA requests of users, reduce the burden of each RADIUS server, and can simultaneously support more users to perform AAA operation.
Description
Technical field
The utility model embodiment relates to technical field of the computer network, relates in particular to a kind of access device and system.
Background technology
At present, in the network application field, Internet Service Provider (Internet Service Provider; Hereinafter to be referred as: ISP) provide the access service of paying for the user, therefore, need the identity of butt joint access customer to authenticate, and the user by authentication is provided accesses network and uses service.Access service for needs charge after the user reaches the standard grade, also needs to add up the foundation of online situation of user and conduct charging.
In correlation technique, use remote customer dialing authentication server (RemoteAuthentication Dial In User Service usually; Hereinafter to be referred as: RADIUS) the butt joint access customer carries out Certificate Authority book keeping operation (Authentication, Authorization and Accounting; Hereinafter to be referred as: AAA) operation.Receive user's request of AAA operation at network access equipment after, this request is sent to radius server, radius server can be authorized the user according to the configuration information that sets in advance behind authentication success.In addition, the offline information of reaching the standard grade that radius server can also recording user, and keep accounts for the user according to this information.During the user was online, radius server also can regularly receive the user's of network access equipment transmission accounting information.
In order to prevent that faults such as service disruption from appearring in radius server, in the practical application, on access device, generally can dispose a plurality of radius servers.And the mode that adopts active/standby server is handled the AAA operation: when main radius server breaks down, can switch to and continue as the user on the standby radius server service is provided.As can be seen, standby radius server only uses at the main radius server Shi Caihui that goes wrong, and when main radius server normally moved, standby radius server was in idle condition.That is to say that same time point has only a radius server carrying out work.
Because radius server is based on User Datagram Protoco (UDP) (User Datagram Protocol; Hereinafter to be referred as: UDP), at the request of different user, in message, be provided with id field in order to distinguish from same client (that is, source IP is identical), different users uses different ID, and the user can not discharge ID and use for other users before operation is not finished.The scope of message ID is 0-255, that is to say, a radius server can only can only be handled 256 users simultaneously at most.
On access device,, can at first distribute a untapped ID and send request message, waiting for server response then for it at user's request.In actual applications, access device does not need to wait for previous user's server response in order to raise the efficiency, and just can send next user's request.If the user asks instantaneous increasing, for example, network interrupts recovering, access device is restarted or a large amount of users initiates the access authentication request simultaneously, under the slow situation of server process, will store a lot of user's requests that does not obtain the server response on the access device, new user can't operate less than ID because of application.
In realizing the utility model process, the inventor finds that there are the following problems at least in the prior art: from above-mentioned processing procedure as can be seen, if the quantity of user's request is very huge, can make that the load meeting of radius server is too high, might cause process user request in time, thereby influence reaching the standard grade of user.
The utility model content
The utility model embodiment provides a kind of access device and system, realizes many radius server parallel processing of user Certificate Authority book keeping operation requests.
The utility model embodiment provides a kind of access device, comprising:
Receiver module is used to receive current authentication mandate book keeping operation request;
Select module, be used for selecting a remote customer dialing authentication server from the remote customer dialing authentication server of a plurality of parallel runnings;
Sending module is used for described current authentication mandate book keeping operation request is sent to the remote customer dialing authentication server that described selection module is selected, to handle current authentication mandate book keeping operation request.
The utility model embodiment provides a kind of connecting system, comprises the remote customer dialing authentication server of above-mentioned access device and a plurality of parallel runnings.
The access device of the utility model embodiment and system, by access device is the radius server transmission user AAA request of many concurrent workings, overcome in the prior art under the situation of the enormous amount of user's request, a radius server process user request in time, thereby influence the problem that the user reaches the standard grade, many radius server parallel processing of user Certificate Authority book keeping operation requests have been realized, improved process user AAA processing of request efficient, alleviate the burden of each radius server, and can support more user to carry out the AAA operation simultaneously.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic network structure of the utility model embodiment;
Fig. 2 is the structural representation of the access device of the utility model embodiment;
Fig. 3 is the flow chart of the access device process user AAA request of the utility model embodiment;
Fig. 4 is the schematic diagram of the connecting system of the utility model embodiment.
Embodiment
Further specify the technical scheme of the utility model embodiment below in conjunction with the drawings and specific embodiments.
As mentioned above, in order to solve above-mentioned technical problem, the utility model embodiment provides a kind of access device, and this access device is the AAA request that a plurality of radius servers of concurrent working send the user.Fig. 1 is the schematic network structure of the utility model embodiment, as shown in Figure 1, a plurality of subscriber equipmenies are connected to access device by network, access device is connected with the radius server of a plurality of concurrent workings, the radius server of a plurality of concurrent workings is regardless of active and standby, and the AAA request that a plurality of subscriber equipmenies are sent is simultaneously operated.Below, the technical scheme of the utility model embodiment is elaborated.
According to embodiment of the present utility model, provide a kind of access device.Fig. 2 is the structural representation of the access device of the utility model embodiment, as shown in Figure 2, access device according to the utility model embodiment comprises: receiver module 20, select module 22, sending module 24, below, the access device of the utility model embodiment is elaborated.
Receiver module 20 is used to receive the current authentication mandate book keeping operation request that the user sends;
Select module 22, be used for selecting a remote customer dialing authentication server from the remote customer dialing authentication server of a plurality of parallel runnings; Need to prove that all radius servers are not distinguished active and standby, the AAA request that each radius server can send subscriber equipment is simultaneously operated.
Sending module 24 is used for current authentication mandate book keeping operation request is sent to the remote customer dialing authentication server of selecting module 22 to select, to handle current authentication mandate book keeping operation request.
By above-mentioned processing, realized many radius server parallel processing of user AAA requests, improved process user AAA processing of request efficient, alleviate the burden of each radius server, and can support more user to carry out the AAA operation simultaneously.
In the utility model embodiment, every radius server can be handled 256 user AAA requests at most, the quantity of many radius server process user AAA requests can break through the restriction of 256 user AAA requests, improved the disposal ability of access device, in addition, if the quantity of user's AAA request increases, can improve the disposal ability of access device by the mode that increases radius server.
Under traditional active and standby radius server pattern, general switching equipment only sends to a main radius server with the AAA request, and by this main radius server AAA is asked to operate, and other radius servers are as standby.In the utility model embodiment, user's AAA request can make the treatment effeciency of access device that raising significantly arranged simultaneously by a plurality of radius server parallel processings.
In the utility model embodiment, the speed that different radius servers is handled the AAA request is inequality, and, the communicating line quality of different radius servers also has difference, handle the AAA request efficiency in order to improve as far as possible, preferably, in the utility model embodiment, select module 22 to need to select the current AAA request of remote customer dialing authentication server process of a best performance, be assigned on the high radius server of performance as far as possible with AAA request with the user.
Particularly, select module 22 specifically to comprise calculating sub module, determine submodule, submodule and processing sub are set.Below, select the process of optimum radius server to be elaborated to selecting module 22.
Calculating sub module, the radius server that is used to calculate described a plurality of parallel runnings can be handled the sum of AAA request simultaneously;
Determine submodule, be used to the initial proportion value of the radius server allocation process AAA request of a plurality of parallel runnings; That is to say, determine that submodule need determine the ratio value of the process user AAA request of each radius server, by this ratio value user's AAA request is assigned to different radius servers and handles.In actual applications, the aforementioned proportion value can set in advance an initial value, i.e. initial proportion value.For example, access device has three radius servers, and determination module is 1: 1: 1 for the initial proportion value of these three radius server settings,, is the AAA request of these three radius servers according to 1: 1: 1 pro rate user that is.
Submodule is set, is used to the radius server of a plurality of parallel runnings that request queue is set, and handle the sum of AAA request and the length that the initial proportion value is determined the request queue of each radius server according to all radius servers;
Processing sub is used for the radius server that the following at least a parameter of basis is determined best performance: the quantity of the length of described request formation, described initial proportion value, the untreated described Certificate Authority book keeping operation request of each remote customer dialing authentication server.
Determined the radius server of best performance in processing sub after, sending module 24 joins current AAA request in the request queue of optimum radius server.
Handle the AAA request by selecting optimum radius server, user's AAA request is assigned on the high radius server of performance as far as possible, because the high radius server treatment effeciency of performance than higher, therefore, can improve significantly and handle the AAA request efficiency.
Access device is in order to distribute to the AAA request of each radius server according to the real-time performance adjustment of each radius server, preferably, according to embodiment of the present utility model, access device can also comprise: detection module, first adjusting module and second adjusting module.
Detection module is used for detecting the performance of the radius server of a plurality of parallel runnings in real time, and preserves the performance data of the radius server of a plurality of parallel runnings; Particularly, detection module can be determined the performance of the radius server of a plurality of parallel runnings according to predefined parameter, and wherein, above-mentioned predefined parameter comprises: the network quality of each radius server and each radius server are handled the time of AAA request.
That is to say, when radius server is handled the AAA request, the performance of each radius server all can real-time change, detection module need detect and write down the performance of each radius server, for example, detection module need detect radius server and handle the average time that a user AAA request is consumed, wherein, the influence of the factors such as the performance that can be subjected to server itself average time, load size and network quality that consume, in actual applications, consume the performance height of short radius server average time.
First adjusting module is used for according to performance data the initial proportion value being adjusted.Particularly, detect in real time under the situation that the performance of certain radius server rises at detection module, first adjusting module can increase the initial proportion value of this radius server; For example, the performance that detection module detects second radius server rises, and then the initial proportion value is revised as 1: 2: 1 at 1: 1: 1, has improved the ratio value of second radius server process user AAA request.Detect in real time at detection module under the situation of decreased performance of certain radius server, first adjusting module reduces the initial proportion value of this radius server.For example, the performance that detection module detects the 3rd radius server rises, and then the initial proportion value is revised as 2: 2: 1 at 1: 1: 1, has reduced the ratio value of the 3rd radius server process user AAA request.
That is to say, in running, can adjust the initial proportion value, when detection module detects certain radius server performance low the time, then can suitably turn down the ratio value that radius server is handled the AAA request, make the load of radius server more reasonable.
Second adjusting module is used for according to the initial proportion value of the first adjusting module adjustment length of request queue being adjusted.Particularly, under the situation of first adjusting module with the initial proportion value raising of certain radius server, second adjusting module increases the length of the request queue of this radius server; Under the situation of first adjusting module with the initial proportion value reduction of certain radius server, second adjusting module reduces the length of the request queue of this radius server.
In addition, in running, finding certain radius server when detection module breaks down when can't work on, to stop using this radius server, and share the task of this radius server by other radius servers, share on other radius servers being assigned to the AAA request that this radius server handles.
After processing, select module 22 just can determine optimum radius server according to the quantity of the untreated AAA request of the length of adjusted request queue, adjusted initial proportion value and/or each radius server through first adjusting module and second adjusting module.
By above-mentioned processing, when finding that certain radius server can not normally use, can fast the user who is assigned to this radius server be switched on other radius servers, improve the reliability of equipment, save the handoff procedure of active and standby radius server.
Performance by the monitoring radius server, user's AAA is asked to be assigned on the higher radius server of performance to handle, make the lower radius server of performance can reduce load, can avoid the radius server situation of decreased performance to continue to worsen, alleviate the burden of radius server, help the recovery of server performance.
In addition, if many radius servers are deployed on the different communication lines, can monitor towards the communication quality of the circuit of each radius server, make some AAA requests of radius server multiprocessing of good communication quality, make the bad radius server of communication quality handle some AAA requests less, when fault such as congested appears in the network line that leads to certain radius server, can reduce or avoid using this radius server, use other radius servers on the better circuit as far as possible.
Below, the process of the access device of the utility model embodiment being carried out the AAA operation is elaborated, and Fig. 3 is the flow chart of the access device process user AAA request of the utility model embodiment, as shown in Figure 3, comprises following processing:
Step 301, a plurality of radius server parallel processing AAA requests are set, access device is determined an initial proportion value for all radius servers, and the ratio of each radius server process user AAA operation can equate, also can dispose a special ratios;
Step 302 is calculated the total number of users that the radius server of a plurality of parallel runnings can be supported, wherein, every radius server can be supported 256 users at most,, can handle 256 users' AAA request simultaneously that is; According to above-mentioned total number of users and initial proportion value, be that each radius server sets a request queue, each radius server queue length sum equals the total number of users that can support;
Step 303, when the user asks access network, access device is selected the radius server of a best performance according to the length of each radius server request queue and initial proportion value, and user AAA request is added in the request queue of this radius server;
Step 304, each radius server are taken out user's AAA request from the request queue of book server, the AAA operation of the line correlation of going forward side by side, and each radius server also needs to write down the time that the AAA request of finishing each user is consumed;
Step 305 judges whether the time point of adjusting performance parameter arrives, and if the judgment is Yes, then execution in step 306, otherwise, repeated execution of steps 303-305;
Step 306, detect the network quality of each radius server, for example, can use ICMP to detect, perhaps detect, determine a weighted value A according to network interface speed, bandwidth etc., high more in network quality, for example, network delay is low, packet loss or network speed are not fast more, and weighted value is high more;
Step 307 is calculated in the scheduled time radius server and is handled the time that a user AAA request is consumed, thereby obtains weighted value B, wherein, the time of consumption more less or the time that consumes compare when reducing with the result of sampling last time, weighted value is high more;
Step 308 according to weighted value A, the weighted value B of each radius server, is calculated the performance number of each radius server, and wherein, weight is high more, and performance number is high more;
Step 309, performance number according to radius server, readjust the initial proportion value of each radius server and the length of request queue, and untreated user AAA request in the request queue according to each radius server of length adjustment of initial proportion value and request queue, and execution in step 303.
Radius server by many concurrent workings asks to carry out parallel work-flow to AAA, performance and network quality to each radius server are monitored, according to the load of the balanced radius server of the real-time performance of each radius server, reached the purpose of supporting more user's request, improving AAA solicit operation performance and efficient.
Need to prove that above-mentioned example has provided a comparatively simple execution mode, in actual applications, the calculating that detects radius server performance methodology, weighted value, performance number, initial proportion value is not limited to the mode of being given an example among the utility model embodiment.
According to embodiment of the present utility model, a kind of connecting system is provided, Fig. 4 is the schematic diagram of the connecting system of the utility model embodiment, as shown in Figure 4, the connecting system according to the utility model embodiment comprises: the access device 40 in the foregoing description and the remote customer dialing authentication server 42 of a plurality of parallel runnings.
This access device 40 is used to receive the current authentication mandate book keeping operation request that the user sends, and from the remote customer dialing authentication server of a plurality of parallel runnings, select a remote customer dialing authentication server, subsequently, current authentication mandate book keeping operation request is sent on the remote customer dialing authentication server of selection, to handle current authentication mandate book keeping operation request.
The remote customer dialing authentication server 42 of a plurality of parallel runnings is used for receiving the current authentication mandate book keeping operation request of access device 40 transmissions respectively and handling.
Need to prove that the specific descriptions of the remote customer dialing authentication server 42 of access device 40 and a plurality of parallel runnings can be understood with reference to the foregoing description, do not repeat them here.
By above-mentioned processing, many radius server parallel processing of user AAA requests have been realized, improve connecting system process user AAA processing of request efficient, alleviated the burden of each radius server in the connecting system, and can support more user to carry out the AAA operation simultaneously.
Device embodiment described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying performing creative labour.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the storage medium of other form arbitrarily.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. an access device is characterized in that, comprising:
Receiver module is used to receive current authentication mandate book keeping operation request;
Select module, be used for selecting a remote customer dialing authentication server from the remote customer dialing authentication server of a plurality of parallel runnings;
Sending module is used for described current authentication mandate book keeping operation request is sent to the remote customer dialing authentication server that described selection module is selected, to handle current authentication mandate book keeping operation request.
2. access device according to claim 1 is characterized in that, described selection module comprises:
Calculating sub module, the remote customer dialing authentication server that is used to calculate described a plurality of parallel runnings can be handled the sum of Certificate Authority book keeping operation request simultaneously;
Determine submodule, be used to the remote customer dialing authentication server-assignment of described a plurality of parallel runnings to handle the initial proportion value that described Certificate Authority book keeping operation is asked;
Submodule is set, is used to the remote customer dialing authentication server of described a plurality of parallel runnings that request queue is set, and determine the length of described request formation according to described sum and described initial proportion value;
Processing sub is used for determining best performance remote customer dialing authentication server according to following at least a parameter: the quantity of the length of described request formation, described initial proportion value, the untreated described Certificate Authority book keeping operation request of each remote customer dialing authentication server.
3. access device according to claim 2 is characterized in that, described sending module specifically is used for: the request queue that described current authentication mandate book keeping operation request is joined the remote customer dialing authentication server of described best performance.
4. access device according to claim 2 is characterized in that, described access device also comprises:
Detection module is used for detecting in real time the performance of the remote customer dialing authentication server of described a plurality of parallel runnings and the performance data of preserving described each remote customer dialing authentication server;
First adjusting module is used for according to described performance data described initial proportion value being adjusted;
Second adjusting module is used for according to the described initial proportion value of the described first adjusting module adjustment length of described request formation being adjusted.
5. access device according to claim 4, it is characterized in that, described detection module specifically is used for: the performance of determining described each remote customer dialing authentication server according to predefined parameter, wherein, described predefined parameter comprises: the time of the described Certificate Authority book keeping operation of the network quality of described each remote customer dialing authentication server and described each remote customer dialing authentication server process request.
6. access device according to claim 4, it is characterized in that, described first adjusting module specifically is used for: detect in real time under the situation that the performance of certain remote customer dialing authentication server rises at described detection module, increase the described initial proportion value of this remote customer dialing authentication server; Detect in real time at described detection module under the situation of decreased performance of certain remote customer dialing authentication server, reduce the described initial proportion value of this remote customer dialing authentication server.
7. access device according to claim 4, it is characterized in that, described second adjusting module specifically is used for: under the situation of described first adjusting module with the described initial proportion value raising of certain remote customer dialing authentication server, increase the length of the request queue of this remote customer dialing authentication server; Under the situation of described first adjusting module, reduce the length of the request queue of this remote customer dialing authentication server with the described initial proportion value reduction of certain remote customer dialing authentication server.
8. a connecting system is characterized in that, comprises the remote customer dialing authentication server of claim 1 each described access device and a plurality of parallel runnings to the claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202692355U CN201571069U (en) | 2009-11-13 | 2009-11-13 | Access equipment and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202692355U CN201571069U (en) | 2009-11-13 | 2009-11-13 | Access equipment and system thereof |
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| CN201571069U true CN201571069U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202692355U Expired - Fee Related CN201571069U (en) | 2009-11-13 | 2009-11-13 | Access equipment and system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105512343A (en) * | 2016-01-06 | 2016-04-20 | 北京京东尚科信息技术有限公司 | Method and device for simulating network anomaly and testing automatic switching of database faults |
| CN108900500A (en) * | 2018-06-26 | 2018-11-27 | 新华三技术有限公司 | login authentication method and device |
| US10250581B2 (en) | 2013-04-09 | 2019-04-02 | Zte Corporation | Client, server, radius capability negotiation method and system between client and server |
-
2009
- 2009-11-13 CN CN2009202692355U patent/CN201571069U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10250581B2 (en) | 2013-04-09 | 2019-04-02 | Zte Corporation | Client, server, radius capability negotiation method and system between client and server |
| CN105512343A (en) * | 2016-01-06 | 2016-04-20 | 北京京东尚科信息技术有限公司 | Method and device for simulating network anomaly and testing automatic switching of database faults |
| CN108900500A (en) * | 2018-06-26 | 2018-11-27 | 新华三技术有限公司 | login authentication method and device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20141113 |
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| EXPY | Termination of patent right or utility model |