CN105703931A - Identification network redundancy backup method and device - Google Patents
Identification network redundancy backup method and device Download PDFInfo
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- CN105703931A CN105703931A CN201410697511.3A CN201410697511A CN105703931A CN 105703931 A CN105703931 A CN 105703931A CN 201410697511 A CN201410697511 A CN 201410697511A CN 105703931 A CN105703931 A CN 105703931A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/34—Signalling channels for network management communication
Abstract
The invention discloses an identification network redundancy backup method and a device. The method comprises steps that main/standby relationship among multiple pieces of ASN equipment including the present ASN equipment is established and maintained; a charging start message containing the user identity information sent by a gateway GGSN is received, and the authentication request information is further generated; the charging start message is sent by the GGSN to the multiple pieces of ASN equipment; the authentication request information is sent to an identity location register ILR server; the user authentication information distributed by the ILR server to the user is received and stored; when the present ARN equipment is the main equipment, response to the received charging start message is carried out, and a charging response message is sent to the GGSN. According to the method, through establishing the main/standby relationship among the multiple pieces of ASN equipment, the user authentication information of the user is stored on all of the multiple pieces of ASN equipment, as the user authentication information is further stored in the standby equipment, the user can further access to the network normally by switching an access link to the standby equipment even when the main equipment is shut down because of faults.
Description
Technical field
The present invention relates to data network communication field, particularly relate to a kind of marked net network redundancy backup method and device。
Background technology
Marked net is that the IP basic network architecture optimization done for mobile and fixing the Internet is disposed, the related communication problem that solution terminal moves the IP address change brought and causes, and in prior art, ASN device fails marked net network only has separate unit access service node ASN deployed with devices, once will interrupt the service to terminal use。
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of marked net network redundancy backup method and device, solve in prior art in separate unit ASN deployed with devices system, the problem that the ASN device fails machine of delaying will interrupt the service to terminal use。
According to one aspect of the present invention, it is provided that a kind of marked net network redundancy backup method, it is applied to an access service node ASN equipment, including:
Create and safeguard the main and standby relation between the multiple stage ASN equipment including this ASN equipment, this main and standby relation only exists a main equipment；
Receive the gateway GGSN account start message carrying subscriber identity information sent, and generate a certification solicited message according to account start message；Wherein, this account start message is that GGSN sends respectively to multiple stage ASN equipment；
This certification solicited message is sent to identity position depositor ILR server；
Receive and preserve ILR server according to the user authentication information that certification solicited message is this user distribution；Wherein user authentication information generates according to subscriber identity information；And,
When this ASN equipment is main equipment, the account start message that response receives, and send charge response message to GGSN。
Alternatively, also include after feed back the step of charge response message to GGSN: establishment and the data channel between GGSN, and forwarded the data message of user by this data channel。
Alternatively, also include after preserving the step of user authentication information:
Receive the GGSN charging termination messages for this user sent, and generate one according to charging termination messages and roll off the production line solicited message；Wherein, charging termination messages is that GGSN sends respectively to multiple stage ASN equipment；
Delete the user authentication information of the user of storage, and send, to ILR server, the solicited message that rolls off the production line。
Alternatively, subscriber identity information includes: the international mobile subscriber identity IMSI code of user is or/and the IP address of user place private network。
Alternatively, user authentication information includes: address of theenduser AID, the AID corresponding with subscriber identity information is ILR server is the public network identity information that distributes of user, and AID includes: distribute to public network IP address and the range of port number of user。
According to another aspect of the present invention, additionally provide a kind of marked net network redundancy backup method, be applied to a gateway GGSN, including:
The request of reaching the standard grade according to user, generates the account start message carrying subscriber identity information；
Information according to the multiple stage ASN equipment got in advance, sends this account start message respectively to each ASN equipment, wherein, sets up and safeguards there is main and standby relation, and only exist a main equipment between multiple stage ASN equipment；
Receive the charge response message of the user of main equipment feedback, and notify that this user reaches the standard grade。
Alternatively, also include after the step of user on-line notification: establishment and the data channel between main equipment, forwarded the data message of user by this data channel。
Alternatively, also include after the step of user on-line notification:
The request of rolling off the production line according to user, generates the charging termination messages of user；
This charging termination messages is sent respectively to multiple stage ASN equipment。
According to another aspect of the present invention, additionally provide a kind of marked net network redundancy back-up device, be applied to an access service node ASN equipment, including:
First creation module, for creating and safeguarding the main and standby relation between the multiple stage ASN equipment including this ASN equipment, only exists a main equipment in main and standby relation；
First receiver module, for receiving the gateway GGSN account start message carrying subscriber identity information sent, and generates a certification solicited message according to account start message；Wherein, this account start message is that GGSN sends respectively to multiple stage ASN equipment；
First sending module, for sending this certification solicited message to identity position depositor ILR server；
Second receiver module, is the user authentication information that user distributes for receiving and preserve ILR server according to account start message；Wherein user authentication information generates according to subscriber identity information；And,
Second sending module, for when this ASN equipment is main equipment, responding the described account start message received, and send charge response message to GGSN。
Alternatively, this marked net network redundancy back-up device also includes: the second creation module, for creating the data channel between GGSN, and is forwarded the data message of user by data channel。
Alternatively, this marked net network redundancy back-up device also includes:
3rd receiver module, for receiving the GGSN charging termination messages for this user sent, and generates one according to described charging termination messages and rolls off the production line solicited message；Wherein, this charging termination messages is that GGSN sends respectively to multiple stage ASN equipment；
Removing module, for deleting the user authentication information of this user of storage, and sends, to ILR server, the solicited message that rolls off the production line。
According to another aspect of the invention, additionally provide a kind of marked net network redundancy back-up device, be applied to a gateway GGSN, including:
First generation module, for the request of reaching the standard grade according to user, generates the account start message carrying subscriber identity information；
First sending module, for the information according to the multiple stage ASN equipment got in advance, sends this account start message respectively to each ASN equipment, wherein, sets up and safeguards there is main and standby relation, and only exist a main equipment between multiple stage ASN equipment；
Receiver module, for receiving the charge response message of the user of main equipment feedback, and user on-line notification。
Alternatively, this marked net network redundancy back-up device also includes: creation module, for creating the data channel between main equipment, is forwarded the data message of user by data channel。
Alternatively, this marked net network redundancy back-up device also includes:
Second generation module, for the request of rolling off the production line according to user, generates the charging termination messages of this user；
Second sending module, for sending charging termination messages respectively to multiple stage ASN equipment。
Embodiments of the invention provide the benefit that: a kind of marked net network redundancy backup method and device, by creating the main and standby relation between multiple stage ASN equipment, determine that an ASN equipment is main equipment, when reaching the standard grade there being user to ask, multiple stage ASN equipment all preserves the authentication information of this user, when main equipment breaks down and delays machine, determine a new main equipment, former access link is switched on new main equipment, owing to new main equipment has stored the authentication information of this user, therefore user terminal still can normally access network, thus avoiding an ASN equipment fault will the terminal problem to the service of terminal use。
Accompanying drawing explanation
Fig. 1 represents the marked net network redundancy backup method of the present invention, is applied to the flow chart of an access service node ASN equipment side；
Fig. 2 represents the marked net network redundancy backup method of the present invention, is applied to the flow chart of a gateway GGSN side；
Fig. 3 represents the device schematic diagram corresponding to Fig. 1；
Fig. 4 represents the device schematic diagram corresponding to Fig. 2；
Fig. 5 represents the system diagram of the marked net network redundancy backup method of the present invention。
Detailed description of the invention
It is more fully described the exemplary embodiment of the present invention below with reference to accompanying drawings。Although accompanying drawing showing the exemplary embodiment of the present invention, it being understood, however, that may be realized in various forms the present invention and should do not limited by embodiments set forth here。On the contrary, it is provided that these embodiments are able to be best understood from the present invention, and complete for the scope of the present invention can be conveyed to those skilled in the art。
Embodiment
The embodiment provides a kind of marked net network redundancy backup method, be applied to an access service node ASN equipment, as it is shown in figure 1, the method includes:
Step 11: create and safeguard the main and standby relation between the multiple stage ASN equipment including this ASN equipment, only existing a main equipment in this main and standby relation；
In marked net network system of the prior art, only it is deployed with an ASN equipment, after machine is delayed in this ASN device fails or power-off, user's service of terminal can be interrupted, in order to solve this problem, the present embodiment realizes the entity backup of marked net access side device by two or more ASN equipment, specific implementation is: form the main and standby relation between multiple stage ASN equipment by detection protocol, such as: VRRP Virtual Router Redundacy Protocol etc., it is worthy of note, this main and standby relation only can determine that, an ASN equipment is main equipment, when main equipment break down or power-off delay machine time, detection protocol can determine whether that another ASN equipment is new main equipment, thus achieve the entity backup of marked net network insertion side；
Step 12: receive the gateway GGSN account start message carrying subscriber identity information sent, and generate a certification solicited message according to account start message；Wherein, this account start message is that GGSN sends respectively to multiple stage ASN equipment；
The same with the function of ASN equipment of the prior art, the multiple stage ASN equipment in the present embodiment is all able to receive that the account start message sended over by GGSN, and generates a certification solicited message；This account start message carries the subscriber identity information of user, this account start message is Radius account start message (RemoteAuthenticationDialInUserService, remote customer dialing authentication system), wherein, include at this subscriber identity information: the international mobile subscriber identity IMSI code of user is or/and the IP address of user place private network, by the two information, all can uniquely determine a user；
Step 13: send this certification solicited message to identity position depositor ILR server；
The same with separate unit ASN equipment of the prior art, the ASN equipment of the present embodiment is also required to be transmitted the certification solicited message of generation to ILR server, unlike the prior art, the multiple stage ASN equipment of the present invention all sends this certification solicited message to ILR server, rather than only main equipment forwards；
Step 14: receive and preserve ILR server according to the user authentication information that certification solicited message is this user distribution；Wherein user authentication information generates according to subscriber identity information；
The multiple stage ASN equipment of the present embodiment all can receive the user authentication information sended over by ILR server, and self preserving this user authentication information, wherein, this user authentication information is that ILR server generates according to subscriber identity information and is that user distributes, this user authentication information includes: the address of theenduser AID corresponding with subscriber identity information, this AID is ILR server is the public network identity information that distributes of user, including: distribute to public network IP address and the range of port number of user, thus can form the mapping relations between each user and each AID, it is worthy of note the corresponding well-determined AID of each user；
Step 15: when this ASN equipment is main equipment, the account start message that response receives, and send charge response message to GGSN；
Although multiple stage ASN equipment all have received the GGSN account start message sended over, but only have that ASN equipment as main equipment and just can this account start message be responded, and feeds back charge response message to GGSN；It is worthy of note, when the ASN equipment as main equipment is after receiving the GGSN account start message sended over, it is possible to directly feed back this charge response message to GGSN；After main equipment receives user authentication message, then charge response message can also be sent to GGSN。
Alternatively, also include after feed back the step of charge response message to GGSN: establishment and the data channel between GGSN, and forwarded the data message of user by this data channel；
When the user authentication information all preserving user on each ASN equipment, and fed back after charge response message to GGSN by main equipment, need to create the data channel between main equipment and GGSN, by this data channel, the data message of subscriber terminal side can be uploaded to network side, or the data message of network side is downloaded to subscriber terminal side。
Alternatively, when user data transmission is complete, request is when rolling off the production line, with in prior art the difference is that, multiple stage ASN equipment in the present embodiment all needs to receive the GGSN charging termination messages for this user sent, and charging termination messages is that GGSN sends respectively to multiple stage ASN equipment；The user authentication information of this user being stored in self is deleted according to the charging termination messages received, and generate one according to charging termination messages and roll off the production line solicited message, the solicited message that rolls off the production line of this user is sent to ILR server, although ILR server can receive multiple ASN solicited message that rolls off the production line sended over, but ILR server only needs to process the solicited message that rolls off the production line of first same subscriber received, therefore, the workload of ILR can't be increased。
As in figure 2 it is shown, according to another aspect of the present embodiment, additionally provide a kind of marked net network redundancy backup method, be applied to a gateway GGSN, including:
Step 21: the request of reaching the standard grade according to user, generates the account start message carrying subscriber identity information；
Identical with the function of GGSN of the prior art, the GGSN in the present embodiment according to the request of reaching the standard grade of user, can generate an account start message, carry the subscriber identity information of this user in this account start message；
Step 22: the information according to the multiple stage ASN equipment got in advance, sends this account start message respectively to each ASN equipment, wherein, sets up and safeguards there is main and standby relation, and only exist a main equipment between multiple stage ASN equipment；
Different from GGSN in prior art, GGSN in the present embodiment can obtain the information of upper strata multiple stage ASN equipment, and send the account start message of user respectively to each ASN equipment；This GGSN can get the main and standby relation between multiple stage ASN equipment, it is thus understood that the identity of main equipment and stand-by equipment；
Step 23: receive the charge response message of the user of main equipment feedback, and notify that this user reaches the standard grade；
After mutual through each ASN equipment and ILR server, main equipment can be reached the standard grade to GGSN feedback request the charge response message of user, GGSN is after receiving this charge response message, it is notified that this user reaches the standard grade, wherein, multiple stage ASN equipment is according to the account start message received, generate a certification solicited message, and this certification solicited message is sent to ILR server, ILR server is assigned with user authentication information according to this certification solicited message for this user, and feeds back to each ASN equipment and preserve；。
Alternatively, the same with prior art, also include after the step of user on-line notification: establishment and the data channel between main equipment, forwarded the data message of user by this data channel, detailed process belongs to prior art, therefore is not described in detail at this。
Alternatively, when user data transmission is complete, request is when rolling off the production line, and GGSN can generate the charging termination messages of this user, and sends this charging termination messages to each ASN equipment, to the processing procedure of this charging termination messages as it has been described above, therefore do not repeat them here。
To sum up, the marked net network redundancy backup method of the present embodiment, by creating the main and standby relation between multiple stage ASN equipment, determine that an ASN equipment is main equipment, when reaching the standard grade there being user to ask, multiple stage ASN equipment all preserves the authentication information of this user, when main equipment breaks down and delays machine, determine a new main equipment, former access link is switched on new main equipment, owing to new main equipment has stored the authentication information of this user, therefore user terminal still can normally access network, thus avoiding an ASN equipment fault will the terminal problem to the service of terminal use。
As it is shown in figure 5, the idiographic flow of the present embodiment is as follows:
Create the communication link between user terminal, GGSN, multiple stage ASN equipment, route Router and ILR server, wherein, determine the main and standby relation between multiple stage ASN equipment by detection protocol, wherein at most determine a main equipment；
When user terminal needs transmission data, when request is reached the standard grade, GGSN can generate an account start message according to the request of reaching the standard grade of user, and send this account start message respectively to multiple stage ASN equipment, wherein, carrying the subscriber identity information of this user in this account start message, subscriber identity information includes: the IMSI code of user is or/and the IP address information of user place private network；
After each ASN equipment receives the GGSN account start message sended over, all can generate a certification solicited message according to account start message, and send this certification solicited message to ILR server；After the ASN equipment as main equipment receives the GGSN account start message sent, this account start message can be responded, and feed back a charge response message to GGSN；
After ILR server receives the certification solicited message that multiple ASN equipment sends over, can be that the user that request is reached the standard grade distributes well-determined user authentication information according to this certification solicited message, and feed back to each ASN equipment；
Each ASN equipment all receives and preserves the user authentication information that ILR server sends；
After GGSN receives this charge response message, can be reached the standard grade by corresponding user；And create the data channel between main equipment, by this data channel, user need the data message uploaded send to ASN device forwards to network side, or network side is downloaded to user terminal through the data message of ASN device forwards, it is achieved the network service of user terminal；
When the data end of transmission of user, when request is rolled off the production line, when GGSN is according to the request of rolling off the production line of user, generates charging termination messages, and send respectively to each ASN equipment；
Each ASN equipment receives this charging termination messages, and the user authentication information that will be stored in self is deleted, and generates one according to this charging termination messages and roll off the production line solicited message；
ILR server can receive multiple ASN solicited message that rolls off the production line sended over, but ILR server only needs to process the solicited message that rolls off the production line of first same subscriber received。
By creating the main and standby relation between multiple stage ASN equipment, determine that an ASN equipment is main equipment, when reaching the standard grade there being user to ask, multiple stage ASN equipment all preserves the authentication information of this user, when main equipment breaks down and delays machine, determine a new main equipment, former access link is switched on new main equipment, owing to new main equipment has stored the authentication information of this user, therefore user terminal still can normally access network, thus avoiding an ASN equipment fault will the terminal problem to the service of terminal use。
According to another aspect of the present embodiment, additionally providing a kind of marked net network redundancy back-up device, be applied to an access service node ASN equipment, as shown in Figure 3 and Figure 4, this device includes:
First creation module 101, for creating and safeguarding the main and standby relation between the multiple stage ASN equipment including this ASN equipment, only exists a main equipment in main and standby relation；
First receiver module 102, for receiving the gateway GGSN account start message carrying subscriber identity information sent, and generates a certification solicited message according to account start message；Wherein, this account start message is that GGSN sends respectively to multiple stage ASN equipment；
First sending module 103, for sending this certification solicited message to identity position depositor ILR server；
Second receiver module 104, is the user authentication information that user distributes for receiving and preserve ILR server according to account start message；Wherein user authentication information generates according to subscriber identity information；And,
Second sending module 105, for when this ASN equipment is main equipment, responding the described account start message received, and send charge response message to GGSN。
Alternatively, this marked net network redundancy back-up device also includes: the second creation module 106, for creating the data channel between GGSN, and is forwarded the data message of user by data channel。
Alternatively, this marked net network redundancy back-up device also includes:
3rd receiver module 107, for receiving the GGSN charging termination messages for this user sent, and generates one according to this charging termination messages and rolls off the production line solicited message；Wherein, this charging termination messages is that GGSN sends respectively to multiple stage ASN equipment；
Removing module 108, for deleting the user authentication information of this user of storage, and sends, to ILR server, the solicited message that rolls off the production line。
According to another aspect of the present embodiment, additionally provide a kind of marked net network redundancy back-up device, be applied to a gateway GGSN, including:
First generation module 201, for the request of reaching the standard grade according to user, generates the account start message carrying subscriber identity information；
First sending module 202, for the information according to the multiple stage ASN equipment got in advance, sends this account start message respectively to each ASN equipment, wherein, sets up and safeguards there is main and standby relation, and only exist a main equipment between multiple stage ASN equipment；
Receiver module 203, for receiving the charge response message of the user of main equipment feedback, and user on-line notification。
Alternatively, this marked net network redundancy back-up device also includes: creation module 204, for creating the data channel between main equipment, is forwarded the data message of user by data channel。
Alternatively, this marked net network redundancy back-up device also includes:
Second generation module 205, for the request of rolling off the production line according to user, generates the charging termination messages of this user；
Second sending module 206, for sending charging termination messages respectively to multiple stage ASN equipment。
It should be noted that this device is the device corresponding with said method, in said method embodiment, all implementations are all suitable in the embodiment of this device, also can reach identical technique effect。
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also making some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications are also in protection scope of the present invention。
Claims (14)
1. a marked net network redundancy backup method, is applied to an access service node ASN equipment, it is characterised in that including:
Create and safeguard the main and standby relation between the multiple stage ASN equipment including this ASN equipment, described main and standby relation only exists a main equipment；
Receive the gateway GGSN account start message carrying subscriber identity information sent, and generate a certification solicited message according to described account start message；Wherein, described account start message is that described GGSN sends respectively to described multiple stage ASN equipment；
Described certification solicited message is sent to identity position depositor ILR server；
Receive and preserve described ILR server according to the user authentication information that described certification solicited message is described user distribution；Wherein said user authentication information generates according to described subscriber identity information；And,
When this ASN equipment is main equipment, the described account start message that response receives carries out, and sends charge response message to described GGSN。
2. marked net network redundancy backup method according to claim 1, it is characterised in that also include after feed back the step of described charge response message to described GGSN:
Create the data channel between described GGSN, and forwarded the data message of described user by described data channel。
3. marked net network redundancy backup method according to claim 1, it is characterised in that also include after preserving the step of described user authentication information:
Receive the described GGSN charging termination messages for described user sent, and generate one according to described charging termination messages and roll off the production line solicited message；Wherein, described charging termination messages is that described GGSN sends respectively to described multiple stage ASN equipment；
Delete the user authentication information of described user of storage, and to described ILR server send described in roll off the production line solicited message。
4. marked net network redundancy backup method according to claim 1, it is characterised in that described subscriber identity information includes: the international mobile subscriber identity IMSI code of user is or/and the IP address of user place private network。
5. marked net network redundancy backup method according to claim 1, it is characterized in that, described user authentication information includes: the address of theenduser AID corresponding with described subscriber identity information, described AID is that described AID includes: distribute to public network IP address and the range of port number of described user by the public network identity information that ILR server is described user distribution。
6. a marked net network redundancy backup method, is applied to a gateway GGSN, it is characterised in that including:
The request of reaching the standard grade according to user, generates the account start message carrying subscriber identity information；
Information according to the multiple stage ASN equipment got in advance, sends described account start message respectively to each ASN equipment, wherein, sets up and safeguards there is main and standby relation, and only exist a main equipment between described multiple stage ASN equipment；
Receive the charge response message of the user of described main equipment feedback, and notify that described user reaches the standard grade。
7. marked net network redundancy backup method according to claim 6, it is characterised in that also include after the step of user on-line notification:
Create the data channel between described main equipment, forwarded the data message of described user by described data channel。
8. marked net network redundancy backup method according to claim 6, it is characterised in that also include after notifying the step that described user reaches the standard grade:
The request of rolling off the production line according to user, generates the charging termination messages of described user；
Described charging termination messages is sent respectively to described multiple stage ASN equipment。
9. a marked net network redundancy back-up device, is applied to an access service node ASN equipment, it is characterised in that including:
First creation module, for creating and safeguarding the main and standby relation between the multiple stage ASN equipment including this ASN equipment, only exists a main equipment in described main and standby relation；
First receiver module, for receiving the gateway GGSN account start message carrying subscriber identity information sent, and generates a certification solicited message according to described account start message；Wherein, described account start message is that described GGSN sends respectively to described multiple stage ASN equipment；
First sending module, for sending described certification solicited message to identity position depositor ILR server；
Second receiver module, for receiving and preserve described ILR server according to the user authentication information that described certification solicited message is described user distribution；Wherein said user authentication information generates according to described subscriber identity information；And,
Second sending module, for when this ASN equipment is main equipment, response receives described account start message, and sends charge response message to described GGSN。
10. marked net network redundancy back-up device according to claim 9, it is characterised in that also include:
Second creation module, for creating the data channel between described GGSN, and forwards the data message of described user by described data channel。
11. marked net network redundancy back-up device according to claim 9, it is characterised in that also include:
3rd receiver module, for receiving the described GGSN charging termination messages for described user sent, and generates one according to described charging termination messages and rolls off the production line solicited message；Wherein, described charging termination messages is that described GGSN sends respectively to described multiple stage ASN equipment；
Removing module, for deleting the user authentication information of described user of storage, and to described ILR server send described in roll off the production line solicited message。
12. a marked net network redundancy back-up device, it is applied to a gateway GGSN, it is characterised in that including:
First generation module, for the request of reaching the standard grade according to user, generates the account start message carrying subscriber identity information；
First sending module, for the information according to the multiple stage ASN equipment got in advance, sends described account start message respectively to each ASN equipment, wherein, sets up and safeguards there is main and standby relation, and only exist a main equipment between described multiple stage ASN equipment；
Receiver module, for receiving the charge response message of the user of described main equipment feedback, and notifies that described user reaches the standard grade。
13. marked net network redundancy back-up device according to claim 12, it is characterised in that also include:
Creation module, for creating the data channel between described main equipment, forwards the data message of described user by described data channel。
14. marked net network redundancy back-up device according to claim 12, it is characterised in that also include:
Second generation module, for the request of rolling off the production line according to user, generates the charging termination messages of described user；
Second sending module, for sending described charging termination messages respectively to described multiple stage ASN equipment。
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| CN201410697511.3A CN105703931A (en) | 2014-11-26 | 2014-11-26 | Identification network redundancy backup method and device |
| PCT/CN2015/078211 WO2016082464A1 (en) | 2014-11-26 | 2015-05-04 | Identification network redundancy backup method and apparatus |
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| CN201410697511.3A CN105703931A (en) | 2014-11-26 | 2014-11-26 | Identification network redundancy backup method and device |
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| CN102238148B (en) * | 2010-04-22 | 2015-10-21 | 中兴通讯股份有限公司 | identity management method and system |
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| CN101247396A (en) * | 2008-02-20 | 2008-08-20 | 北大方正集团有限公司 | Method, device and system for distributing IP address |
| CN101951616A (en) * | 2010-07-06 | 2011-01-19 | 北京星网锐捷网络技术有限公司 | Switching method, system and device for wireless controller |
| CN102572903A (en) * | 2010-12-31 | 2012-07-11 | 中兴通讯股份有限公司 | Selecting and disaster tolerant method and selecting and disaster tolerant system for accessing supporting node and access control device |
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