CN103095536A - User access method, access service router and user access system - Google Patents
User access method, access service router and user access system Download PDFInfo
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- CN103095536A CN103095536A CN201110343039XA CN201110343039A CN103095536A CN 103095536 A CN103095536 A CN 103095536A CN 201110343039X A CN201110343039X A CN 201110343039XA CN 201110343039 A CN201110343039 A CN 201110343039A CN 103095536 A CN103095536 A CN 103095536A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/287—Remote access server, e.g. BRAS
- H04L12/2876—Handling of subscriber policies
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Abstract
The invention discloses a user access method, an access service router and a user access system. The user access method comprises the following steps: after a user terminal is accessed to an access network (AN) and access authentication is completed through an access service router (ASR), identity information is requested to the ASR, user type of the user terminal is distinguished by the ASR, and corresponding identification information is returned according to the user type of the user terminal. The access server router comprises a receiving module, an authentication module, a judgment module and a distributing module. The user access system comprises an access network, an authentication authorization charging AAA server and the ASR. The user access method, the access service router and the user access system can utilize existing access network to deploy, transformation of the existing network is reduced to the largest extent, and non-identification user can be tolerated.
Description
Technical field
The present invention relates to the marked net of the communications field, be specifically related to a kind of user access method, access service router (Access Service Router is called for short ASR) and subscriber access system.
Background technology
Existing the Internet can not satisfy the demand of current information-intensive society well, seriously hamper further developing of information network, be badly in need of the design of breakthrough, great-leap-forward and design a kind of new network architecture, the serious drawback that exists to solve existing the Internet.In recent years, countries in the world have been launched the research work of new network system aspect one after another, on this basis, propose the marked network system, to satisfy Future Internet in the demand of the aspects such as Pervasive Service, mobility, fail safe, controllability and manageability.
The marked network architecture is a kind of new network architecture that is different from open system interconnection (OSI) 7 layer network systems and the Internet 4 layer network systems.The marked network system is as a whole with user, business and Internet resources three organic unity, has realized well network integration access and provides Pervasive Service for the user.In marked network, user's identity is separated with the position, and in marked net network structure as shown in Figure 1, Host is main frame, for the user configures access sign (Access Identifier is called for short AID) as identify label; Couple in router (Access Service Router is called for short ASR) configures Route Distinguisher (Router Identifier is called for short RID) as station location marker for the user.All Host main frames are registered and are authenticated by ASR and access network.Host is linked on ASR, and the behavior of leaving ASR, and ASR needs to report to identity and location register register (Identifer and Location Register is called for short ILR).It is mapping relations＜AID of user configured AID and RID that ILR preserves Host, RID 〉, ILR provides the response to the query mappings relation simultaneously.
Communicate by letter between Host and Host, route realizes by the RID on ASR being encapsulated also, the original message between Host and Host is encapsulated in payload Payload, after message arrives purpose ASR, purpose ASR carries out decapsulation to message, then original message is forwarded to purpose Host.As shown in Figure 2, the process that E-Packets between source Host1 and purpose Host2 in marked net is: at first source Host1 is sent to source ASR1 with message, and the ASR1 place encapsulates message with RID in the source; Then the message after source ASR1 will encapsulate is sent to purpose ASR2; At last, after message arrives purpose ASR2, on purpose ASR2, message is carried out decapsulation, and be forwarded to purpose Host2.
At present, in existing network, user access network generally comprises following steps:
1, the related access network of UE (Access Network is called for short AN);
2, AN authenticates UE;
3, distribute the address for UE.
But, due to the classification of existing network such as WLAN, WiMAX, fixed network etc. and unrealized user identity and position, so existing Access Network or cut-in method can not be realized the support to marked network.Therefore, be badly in need of at present proposing a kind of marked net that makes and can utilize existing Access Network to dispose, reduce as far as possible the transformation to existing network, and continue the compatible present non-sign network user (perhaps, being called domestic consumer) method and device.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of user access method, access service router (ASR) and subscriber access system, can utilize existing Access Network to dispose, and reduce as far as possible the transformation to existing network, and compatible non-sign network users.
In order to solve the problems of the technologies described above, the invention provides a kind of user access method, comprising:
After user terminal access access network (AN) is also completed access authentication by access service router (ASR), to described ASR requests identity information;
Described ASR distinguishes the user type of described user terminal, returns to corresponding identity information according to the user type of described user terminal.
Further, described user terminal access AN also completes authentication by ASR, comprising:
Described user terminal sends access request to described AN, and described AN is forwarded to described ASR with described access request, and ASR acts on behalf of aaa server as authentication and authorization charging AAA agency and aaa server by interacting message and completes access authentication to described user terminal.
Further, described user type comprises: domestic consumer and marked net user.
Further, described identity information comprises the access sign (AID) of marked net user terminal or the IP address of domestic consumer's terminal.
Further, when described ASR carries out access authentication to user terminal, obtain the access sign (AID) of described user terminal to described aaa server, and described AID is kept in local storage.
Further, described ASR distinguishes the user type of described user terminal, comprising:
The local AID that whether preserves described user terminal of described ASR inquiry if inquire, thinks that described user is the marked net user, otherwise is domestic consumer.
Further, described ASR returns to corresponding identity information according to the user type of described user terminal, comprising:
If described user is the marked net user, described ASR returns to described user terminal with the AID of described user terminal;
If described user is domestic consumer, described ASR is described user terminal distributing IP address, and described IP address is returned to described user terminal.
Further, described ASR arranges agreement (DHCP) server or DHCP relay as DynamicHost, is described user terminal distributing IP address.
In order to solve the problems of the technologies described above, the invention provides a kind of access service router-A SR, comprising:
Receiver module is used for receiving access network (AN) and forwards the access request of user terminal and the request message that described user terminal requests is obtained identity information;
Authentication module is used for completing the access authentication to described user terminal;
Judge module is used for judging the user type of described user terminal, and judged result is sent to distribution module;
Distribution module is used for returning to corresponding identity information according to described judged result to described user terminal.
Further, described authentication module is used for completing the access authentication to described user terminal, comprising:
Described authentication module is acted on behalf of described aaa server as authentication and authorization charging AAA and aaa server by interacting message and is completed access authentication to described user terminal.
Further, described user type comprises: domestic consumer and marked net user.
Further, described identity information comprises the access sign (AID) of marked net user terminal or the IP address of domestic consumer's terminal.
Further, described authentication module when also being used for user terminal is carried out access authentication, obtaining the access sign (AID) of described user terminal, and described AID is kept in local storage to described aaa server.
Further, described judge module also is used for the local AID that whether preserves described user terminal of inquiry, if inquire, thinks that described user is the marked net user, otherwise is domestic consumer.
Further, described distribution module is used for returning to corresponding identity information according to described judged result to described user terminal, comprising:
If described judged result is described user is the marked net user, the AID with described user terminal returns to described user terminal;
Being domestic consumer if described judged result is described user, is described user terminal distributing IP address, and described IP address is returned to described user terminal.
Further, described distribution module arranges agreement (DHCP) server or DHCP relay as DynamicHost, is described user terminal distributing IP address.
In order to solve the problems of the technologies described above, the invention provides a kind of subscriber access system, comprising: access network (AN), authentication and authorization charging aaa server and access service router as above (ASR).
Compared with prior art, user access method provided by the invention, access service router (ASR) and subscriber access system can utilize existing Access Network to dispose, reduce as far as possible the transformation to existing network, in the time of can not direct communication between AN and aaa server, act on behalf of the access authentication of having realized UE as AAA by ASR, and realized the compatibility to non-sign network users, can the distinguishing identifier network users and existing network domestic consumer, and be that it distributes corresponding identity information.
Description of drawings
Fig. 1 is the marked net schematic network structure;
Fig. 2 is the flow chart that E-Packets between source Host1 and purpose Host2 in marked net;
Fig. 3 is user access method flow chart in embodiment;
Fig. 4 is ASR structural representation in embodiment;
Fig. 5 is subscriber access system structural representation in embodiment;
Fig. 6 is one and uses user access method flow chart in example.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.Need to prove, in the situation that do not conflict, the embodiment in the application and the feature in embodiment be combination in any mutually.
Embodiment:
As shown in Figure 3, the present embodiment provides a kind of user access method, comprises the following steps:
S101: user terminal access access network (AN) is also completed access authentication by ASR;
In this step, described user terminal sends access request to described AN, described AN is forwarded to described ASR with described access request, and ASR acts on behalf of aaa server as authentication and authorization charging AAA agency and aaa server by interacting message and completes access authentication to described user terminal.
Wherein, when ASR carried out access authentication to user terminal, ASR obtained the access sign (AID) of described user terminal to described aaa server, and described AID is kept in local storage.
S102: after completing authentication, user terminal is to described ASR requests identity information;
Wherein, the identity information of user terminal requests comprises the AID of marked net user terminal or the IP address of domestic consumer's terminal.
S103: described ASR distinguishes the user type of described user terminal, and returns to corresponding identity information according to the user type of described user terminal.
The present embodiment utilizes existing Access Network to dispose, and reduces as far as possible the transformation to existing network, and can compatible non-sign network users, and therefore, user type comprises: domestic consumer's (that is, non-sign network users) and marked net user.
Wherein, when distinguishing the user type of user terminal, the local AID that whether preserves described user terminal of ASR inquiry if inquire, thinks that described user is the marked net user, otherwise is domestic consumer.
Wherein, ASR returns to corresponding identity information according to the user type of described user terminal, comprising:
If described user is the marked net user, described ASR returns to described user terminal with the AID of described user terminal;
If described user is domestic consumer, described ASR is described user terminal distributing IP address, and described IP address is returned to described user terminal.
In the present embodiment, the IP address assignment work of domestic consumer's terminal is completed by ASR, and ASR can possess the DHCP function, uses the DHCP agreement to be user terminal distributing IP address, but being not necessarily the Same Physical entity with Dynamic Host Configuration Protocol server, can be DHCP relay as ASR.Certainly, not getting rid of ASR uses the self-defining agreement of marked net to be user terminal distributing IP address.
As shown in Figure 4, the present embodiment provides a kind of access service router (ASR) of user assignment identity information that is, comprising:
Receiver module is used for receiving access network (AN) and forwards the access request of user terminal and the request message that described user terminal requests is obtained identity information;
Wherein, described identity information comprises the access sign (AID) of marked net user terminal or the IP address of domestic consumer's terminal.
Authentication module is used for completing the access authentication to described user terminal;
Wherein, described authentication module is acted on behalf of described aaa server as authentication and authorization charging AAA and aaa server by interacting message and is completed access authentication to described user terminal.
In addition, described authentication module when also being used for user terminal is carried out access authentication, obtaining the access sign (AID) of described user terminal, and described AID is kept in local storage to described aaa server.
Judge module is used for judging the user type of described user terminal, and judged result is sent to distribution module;
Wherein, the user type of described user terminal comprises: domestic consumer and marked net user.
Described judge module also is used for the local AID that whether preserves described user terminal of inquiry, if inquire, thinks that described user is the marked net user, otherwise is domestic consumer.
Distribution module is used for returning to corresponding identity information according to described judged result to described user terminal.
Wherein, be the marked net user if described judged result is described user, distribution module returns to described user terminal with the AID of described user terminal;
Be domestic consumer if described judged result is described user, distribution module is described user terminal distributing IP address, and described IP address is returned to described user terminal.
In the present embodiment, the IP address assignment work of domestic consumer is completed by the distribution module of ASR, and described distribution module can possess the DHCP function, uses the DHCP agreement to be user assignment IP address, but being not necessarily the Same Physical entity with Dynamic Host Configuration Protocol server, can be also DHCP relay.Certainly, do not get rid of and use the self-defining agreement of marked net to be user assignment IP address.
In addition, as shown in Figure 5, the present invention also provides a kind of subscriber access system, is applied to comprise in marked net: AN, aaa server and access service router-A SR as described above.
Wherein, can not direct correlation between AN and aaa server, must act on behalf of as AAA by ASR, AN and aaa server are coupled together, receive the access request of UE transmission as AN after, this access request is forwarded to ASR, and ASR carries out access authentication as authentication and authorization charging AAA agency, by AN, the authentication success response is returned to UE after authentication success.
In one was used example, as shown in Figure 6, the method for user's access comprised the following steps:
S201: user terminal UE request access AN;
S202:AN is forwarded to ASR with access request;
S203:ASR is mutual with aaa server as AAA Proxy (AAA agency), completes UE is carried out access authentication;
Wherein, aaa server is kept at described user's authentication information and user totem information in local storage when authenticating, and the user totem information of aaa server storage comprises user's AID.It is prior art that the AAA acting server carries out access authentication to the user, repeats no more herein.
ASR is when acting on behalf of access authentication, and to the AID of aaa server inquiring user, if inquire, the AID with the user is kept in local storage;
S204: authentication success, the success response of ASR return authentication are to AN, and the success response of AN return authentication is to UE;
S205:UE is to ASR IP address requesting/AID;
Wherein, common UE only needs the IP address, and the IP address is the identity information of domestic consumer; Marked net UE needs AID, and AID is marked net user's identity information.
After S206:ASR receives the request of UE, if local preserve user's AID, described AID is returned to described user terminal, otherwise be described user assignment IP address, and described IP address is returned to described user terminal.
In step S206, if UE is the marked net user, ASR will send to UE from the AID that aaa server obtains; If UE is domestic consumer, ASR is as Dynamic Host Configuration Protocol server, and perhaps DHCP relay, be UE distributing IP address.
So far, ASR is that the user assignment identity information is complete, and the user accesses AN and completes.
can find out from above-described embodiment, with respect to prior art, the user access method that provides in above-described embodiment, access service router-A SR and subscriber access system utilize existing Access Network to dispose, introduce the ASR of marked net, reduce as far as possible the transformation to existing network, in the time of can not direct communication between AN and aaa server, act on behalf of the access authentication of having realized UE as AAA by ASR, and realized the compatibility to non-sign network users, can the distinguishing identifier network users and existing network domestic consumer, be respectively marked net user assignment AID, be domestic consumer's distributing IP address.
One of ordinary skill in the art will appreciate that all or part of step in said method can come the instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is only the preferred embodiments of the present invention, is not for limiting protection scope of the present invention.According to summary of the invention of the present invention; also other various embodiments can be arranged; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (17)
1. user access method comprises:
After user terminal access access network (AN) is also completed access authentication by access service router (ASR), to described ASR requests identity information;
Described ASR distinguishes the user type of described user terminal, returns to corresponding identity information according to the user type of described user terminal.
2. the method for claim 1 is characterized in that:
Described user terminal access AN also completes authentication by ASR, comprising:
Described user terminal sends access request to described AN, and described AN is forwarded to described ASR with described access request, and ASR acts on behalf of aaa server as authentication and authorization charging AAA agency and aaa server by interacting message and completes access authentication to described user terminal.
3. the method for claim 1 is characterized in that:
Described user type comprises: domestic consumer and marked net user.
4. the method for claim 1 is characterized in that:
Described identity information comprises the access sign (AID) of marked net user terminal or the IP address of domestic consumer's terminal.
5. method as claimed in claim 2 is characterized in that:
When described ASR carries out access authentication to user terminal, obtain the access sign (AID) of described user terminal to described aaa server, and described AID is kept in local storage.
6. method as claimed in claim 5 is characterized in that:
Described ASR distinguishes the user type of described user terminal, comprising:
The local AID that whether preserves described user terminal of described ASR inquiry if inquire, thinks that described user is the marked net user, otherwise is domestic consumer.
7. method as claimed in claim 6 is characterized in that:
Described ASR returns to corresponding identity information according to the user type of described user terminal, comprising:
If described user is the marked net user, described ASR returns to described user terminal with the AID of described user terminal;
If described user is domestic consumer, described ASR is described user terminal distributing IP address, and described IP address is returned to described user terminal.
8. method as claimed in claim 7 is characterized in that:
Described ASR arranges agreement (DHCP) server or DHCP relay as DynamicHost, is described user terminal distributing IP address.
9. one kind is the access service router of user assignment identity information, comprising:
Receiver module is used for receiving access network (AN) and forwards the access request of user terminal and the request message that described user terminal requests is obtained identity information;
Authentication module is used for completing the access authentication to described user terminal;
Judge module is used for judging the user type of described user terminal, and judged result is sent to distribution module;
Distribution module is used for returning to corresponding identity information according to described judged result to described user terminal.
10. access service router as claimed in claim 9 is characterized in that:
Described authentication module is used for completing the access authentication to described user terminal, comprising:
Described authentication module is acted on behalf of described aaa server as authentication and authorization charging AAA and aaa server by interacting message and is completed access authentication to described user terminal.
11. access service router as claimed in claim 9 is characterized in that:
Described user type comprises: domestic consumer and marked net user.
12. access service router as claimed in claim 9 is characterized in that:
Described identity information comprises the access sign (AID) of marked net user terminal or the IP address of domestic consumer's terminal.
13. access service router as claimed in claim 10 is characterized in that:
Described authentication module when also being used for user terminal is carried out access authentication, obtaining the access sign (AID) of described user terminal, and described AID is kept in local storage to described aaa server.
14. access service router as claimed in claim 9 is characterized in that:
Described judge module also is used for the local AID that whether preserves described user terminal of inquiry, if inquire, thinks that described user is the marked net user, otherwise is domestic consumer.
15. access service router as claimed in claim 9 is characterized in that:
Described distribution module is used for returning to corresponding identity information according to described judged result to described user terminal, comprising:
If described judged result is described user is the marked net user, the AID with described user terminal returns to described user terminal;
Being domestic consumer if described judged result is described user, is described user terminal distributing IP address, and described IP address is returned to described user terminal.
16. access service router as claimed in claim 15 is characterized in that:
Described distribution module arranges agreement (DHCP) server or DHCP relay as DynamicHost, is described user terminal distributing IP address.
17. a subscriber access system is characterized in that, comprising: access network (AN), authentication and authorization charging aaa server and access service router as described in claim 9 to 16 any one claim (ASR).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110343039.XA CN103095536B (en) | 2011-11-03 | 2011-11-03 | A kind of user access method, access service router and subscriber access system |
| PCT/CN2012/083708 WO2013064051A1 (en) | 2011-11-03 | 2012-10-29 | User access method, access service router, and user access system |
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| CN201110343039.XA CN103095536B (en) | 2011-11-03 | 2011-11-03 | A kind of user access method, access service router and subscriber access system |
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| WO2020057315A1 (en) * | 2018-09-18 | 2020-03-26 | 华为技术有限公司 | Authentication method, device, and system |
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Also Published As
| Publication number | Publication date |
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| WO2013064051A1 (en) | 2013-05-10 |
| CN103095536B (en) | 2017-06-30 |
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