CN101267662A - A session rejection method, access network and access terminal - Google Patents
A session rejection method, access network and access terminal Download PDFInfo
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- CN101267662A CN101267662A CNA2007100882079A CN200710088207A CN101267662A CN 101267662 A CN101267662 A CN 101267662A CN A2007100882079 A CNA2007100882079 A CN A2007100882079A CN 200710088207 A CN200710088207 A CN 200710088207A CN 101267662 A CN101267662 A CN 101267662A
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Abstract
The invention discloses a conversion rejection method comprising receiving a request for building a conversion sent from an access terminal; judging whether the access terminal is an abnormal access terminal based on the request; if the terminal is an abnormal access terminal, sending a conversion rejection message to the access terminal and notifying the terminal of stopping sending the request for building conversion. The invention also provides an access network and an access terminal. With the invention, the access network can actively stopping the abnormal access terminal continuously sending the request for building conversion, thereby saving air-interface resources, and improving the global performance of a wireless communication system.
Description
Technical field
The present invention relates to wireless communication technology, be specifically related to a kind of session rejection method, access network and access terminal.
Background technology
In wireless communication system, for example in CDMA 2000 HRPD (high rate packet data) Radio Transmission Technology (CDMA2000 1xEV-DO) system, access network (AN, Access Network) with (AT that accesses terminal, Access Terminal) before carrying out the business transmission, must at first set up session, be kept at address, agreement and the configuration parameter of the usefulness that intercoms mutually that session establishment phase consults.The foundation of session comprises single ripple access terminal identification (UATI, Unicast Access Terminal Identifier) assignment, connects processes such as foundation, key exchange, session parameter configuration, session negotiation, authentication.
Figure 1 shows that existing session rejection method flow chart, referring to Fig. 1, this method may further comprise the steps:
Step 100:AT request is set up session with AN.
This step comprises the UATI assignment process, in the UATI assignment process, AT is by eating dishes without rice or wine and AN carries out the mutual of five message, comprises that UATI request (UATIRequest) message, hardware identifier request (HardwareIDRequest) message, hardware identifier response (HardwareIDReponse) message, UATI assignment (UATIAssignment) message and UATI assignment finish (UATIComplete) message.
Failure is set up in session between step 101:AT and the AN.
If session is set up successfully, then normally carry out by existing flow process.If the subsequent process that session is set up failure comprises procedure failures such as connecting foundation, key exchange, session parameter configuration, session negotiation or authentication, then can cause session to set up failure.
Step 102:AN carries the session of closing cause value to the AT transmission and closes (SessionClose) message, to set up the process of session between termination and the AT.
Step 103:AT sends SessionClose message to AN, response AN.
Afterwards, AT can be in a short period of time, and for example 5 seconds, continue execution in step 100, request is set up session with AN; If failure is once more set up in session, then AT and AN can continuous execution in step 100～steps 103.
By above-described method flow as can be known, existing session is set up process and is initiatively initiated by AT, and AN can only passive response, and can't initiatively refuse to set up session with AT, that is to say that the initiative that initiation session is set up grasps in AT.After AN and AT finished session and set up request, because the subsequent process failure of session in setting up, when causing session to set up failure, AT can ask to set up session with AN repeatedly, sets up successfully up to session; If AT can not successfully set up session with AN, can make that then carrying out the process that session sets up by eating dishes without rice or wine between AT and the AN enters an endless loop.Session is each time set up, and all can finish the process of UATI assignment at least between AT and AN, thereby take the interface-free resources between AT and the AN, causes the waste of interface-free resources.
For example, the AT failed authentication, when causing AN to close session, AT can ask to set up session with AN once more; If failure is once more set up in session, then AT also can ask to set up session with AN, because authentication is unsuccessful, can cause session to be closed again then.Like this, AT can ask to set up session with AN repeatedly, and AN can close session repeatedly, makes the process of setting up session by eating dishes without rice or wine between AT and the AN enter an endless loop.
For example, the AT that does not open an account is rejected in the authentication process after UATI assignment success, and this AT initiated a session every 5 seconds and sets up.Within such 1 day 24 hours, this AT initiates the invalid session in 24 * 60 * (60/5)=17280 (inferior) and sets up to I haven't seen you for ages, comprise that AN closes session that session sends and closes (SessionClose) message and AT and receive the SessionClose message that responds behind the SessionClose that AN sends, each session foundation and failure relate to minimum 7 message, come to the invalid idle message of 17280 * 7=120960 bar in one day, thereby cause the waste of interface-free resources.
Simultaneously, the each request of AT is set up session with AN, and AN need handle the message of the AT that receives, closes session then, therefore, has taken the disposal ability of AN.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of session rejection method, saves interface-free resources.
The embodiment of the invention provides a kind of access network, saves interface-free resources.
The embodiment of the invention provides a kind of and accesses terminal, and saves interface-free resources.
For achieving the above object, the technical scheme of the embodiment of the invention is achieved in that
A kind of session rejection method comprises:
The request of setting up session that reception accesses terminal and sends;
Judge according to described request whether described accessing terminal is to access terminal unusually;
Described accessing terminal is to access terminal unusually, then notifies it to stop to send the request of setting up session to the described transmission session rejection information that accesses terminal.
Described session rejection information sends by single ripple access terminal identification refusal UATIReject message of address administration protocol message.
Described session rejection information sends by carrying the session close message of closing cause value that shows the refusal session.
A kind of accessing terminal comprises conversation request module, session stop module and terminal transceiver module,
Described conversation request module is used for sending the request of setting up session to the terminal transceiver module; After the notice that receives the session stop module, stop to send the request of setting up session;
Described session stop module is used for the session rejection information that the receiving terminal transceiver module sends, and the announcement session request module stops to send the request of setting up session;
Described terminal transceiver module is used to receive the request of setting up session that the conversation request module sends, and is forwarded to access network; Receive the session rejection information that access network sends, be forwarded to the session stop module.
A kind of access network comprises abnormal terminals determination module, network transceiving module and session rejection module,
Described network transceiving module is used to receive the request of setting up session that accesses terminal and send, and is forwarded to the abnormal terminals determination module; Receive the session rejection information that the session rejection module sends, be forwarded to and access terminal;
Described abnormal terminals determination module is used to receive the request of setting up session that network transceiving module sends, and judges according to described request whether described accessing terminal is to access terminal unusually, is to access terminal unusually, then announcement session refusal module;
Described session rejection module is used to receive the notice that the abnormal terminals determination module sends, and sends session rejection information to network transceiving module.
Compared with prior art, the technical scheme that the embodiment of the invention provided, determine request when access network and set up accessing terminal of session with it to after accessing terminal unusually, initiatively to this transmission session rejection that accesses terminal, stop to ask to set up session to notify this to access terminal, thereby saved interface-free resources; Simultaneously, the impact of session to the access network disposal ability set up in the constantly request of effectively having avoided accessing terminal unusually, improved the overall performance index of wireless communication system.
Description of drawings
Fig. 1 is existing session rejection method flow chart;
Fig. 2 is the session rejection method flow chart in the embodiment of the invention;
Fig. 3 is a session rejection method flow chart in the embodiment of the invention one;
Fig. 4 is a session rejection method flow chart in the embodiment of the invention two;
Fig. 5 is the structural representation that accesses terminal in the embodiment of the invention;
Fig. 6 is the access network structural representation in the embodiment of the invention.
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Fig. 2 is the session rejection method flow chart in the embodiment of the invention, and as shown in Figure 2, this method comprises:
Step 200: the request of setting up session that access network accesses terminal and sends;
Step 201: access network judges according to this request whether this accesses terminal is to access terminal unusually, is to access terminal unusually, then notifies it to stop to send the request of setting up session to this transmission session rejection information that accesses terminal.
In this step, access network judges whether the accessing terminal of user ID correspondence of carrying in this request is to access terminal unusually to comprise: access network is determined that this accesses terminal and is the user in the predefined blacklist, or access network is determined that this accesses terminal and is not opened an account, or access network was judged in a period of time, this access terminal with the continuous frequency of failure of the session negotiation of access network greater than the maximum frequency of failure that is provided with at access network in advance, judge that then this accesses terminal to accessing terminal unusually.
In this step, access network can utilize in the address administration agreement and refuse and access terminal unusually to set up session at the message of eating dishes without rice or wine to increase newly, maybe can utilize the existing message refusal of session management protocol and access terminal unusually and set up session.
Below be example with CDMA2000 1xEV-DO, the present invention is described in detail by two embodiment.
Embodiment one:
At newly-increased a piece of news: the UATI refusal (UATIReject) of eating dishes without rice or wine, AN utilizes this newly-increased idle message refusal and accesses terminal unusually and sets up session present embodiment in the address administration agreement.
Fig. 3 is a session rejection method flow chart in the embodiment of the invention one, and as shown in Figure 2, this method may further comprise the steps:
Step 300:AT request is set up session with AN.
Step 301:AN judges whether this AT is unusual AT, is execution in step 302 then.
In this step, AN judges that whether this AT is that the method for unusual AT is: in a period of time, the continuous frequency of failure of the session negotiation of this AT and AN judges then that greater than the maximum frequency of failure that is provided with at AN in advance this AT is unusual AT.
In this step, be normal AT, then continue to carry out existing session and set up process if AN judges this AT; If it is unusual AT that AN judges this AT, then execution in step 302.
Step 302:AN sends UATI refusal (UATIReject) message to this AT.
In this step, AN generates UATIReject message, and after adding medium access control (MAC, the Media Access Control) packet header that comprises this AT sign, this message is sent to AT.
The idle message of UATIReject message for increasing newly in the address administration agreement, its definition is as shown in table 1.
| Field | Length (bits) |
| Message identifier (MessageID) | 8 |
| Transaction Identifier (TransactionID) | 8 |
The message definition of table 1 UATIReject
Wherein, message identifier (MessageID) is the type of message sign of UATIReject, and access network can this message field be set to the ident value that other message are not used in the address administration agreement.
When Transaction Identifier (TransactionID): AN utilizes this message refusal to set up session with this AT each time, this field value will be added 1.For example, when AN for the first time when AT sends this message, this field is set to 0x00; After long period of time, AT asks to set up conversation failure with AN once more, and when this AT sent this message refusal and sets up session, this field was set to 0x01 to AN once more.Set up request if repeat to send this message with the same session of refusal AT, then this field value is constant.
Step 303:AT stops request and sets up session with AN after receiving the UATI refusal of AN transmission.
In this step, AT can stop request and set up session with AN in one that sets in advance long period, and after the time that sets in advance finished, request was set up session with AN once more; Perhaps stop active request and AN sets up session, can be after being provided with of change terminal once more request set up session with AN.
This method also can further comprise: when AT moves to a new subnet, or during initial connecting system, AN sends the system message of carrying its subnet colour coding to AT; The AT record sends the subnet colour coding of the AN that sets up session rejection information, and at this moment, step 303 is: AT stops to ask the AN corresponding with this subnet colour coding to set up session.After this AT moved to other subnet, request was set up session with the AN of other subnet again.
Embodiment two:
In the present embodiment, AN utilizes the existing message of session management protocol: (SessionClose) message is closed in session, refuses and access terminal unusually to set up session.
Fig. 4 is a session rejection method flow chart in the embodiment of the invention two, and as shown in Figure 3, this method may further comprise the steps:
Step 400:AT request is set up session with AN.
Step 401:AN judges whether this AT is unusual AT, is execution in step 402 then.
In this step, AN judges whether this AT is that unusual AT comprises: AN determines that this AT is arranged in the blacklist that sets in advance, and perhaps AN determines that this AT does not open an account, and is rejected when authentication etc., judges that then this AT is unusual AT.
In this step, be normal AT, then continue to carry out existing session and set up process if AN judges this AT; If it is unusual AT that AN judges this AT, then execution in step 402.
Step 402:AN sends SessionClose message refusal to AT and sets up session with this AT, and this message is carried the cause value of closing that shows the session of AN refusal.
In this step, the value of closing reason (CloseReason) field in the SessionClose message is the cause value that increases newly, for example, can show the session of AN refusal by 0x09, and AT stops to send the request of setting up session with notice.
After the AN UATI that has been this AT assignment, judge when this AT is unusual AT, carry out this step.Therefore, in this step, after AN generates SessionClose message, add the MAC packet header of the UATI that is included as this AT assignment, re-send to this AT.
Step 403:AT replys SessionClose message to AN, with the session rejection of response AN transmission.
Step 404:AT stops request and sets up session with AN.
In this step, AT can stop request and set up session with AN in one that sets in advance long period; Perhaps stop active request and AN sets up session, as can be after being provided with of change terminal once more request set up session with AN.
For example, when AN determined that this AT is the user who does not open an account, AT was after the session rejection information that receives the AN transmission, and initiatively initiation session is set up; And after this AT opened an account, request was set up session with AN once more.When AN determined that this AT is arranged in blacklist, notice accessed terminal and stops initiation session foundation.
This method can further include: when AT moves to a new subnet, or during initial connecting system, AN sends the system message of carrying its subnet colour coding to AT; The AT record sends the subnet colour coding of the AN of session rejection.At this moment, step 404 is: AT stops to ask the AN corresponding with this subnet colour coding to set up session.After this AT moved to other subnet, initiation session was set up again.
Fig. 5 is the structural representation that accesses terminal in the embodiment of the invention, and referring to Fig. 5, accessing terminal comprises conversation request module, session stop module and terminal transceiver module, wherein,
The conversation request module is used for sending the request of setting up session to the terminal transceiver module; After the notice that receives the session stop module, stop to send the request of setting up session.
The session stop module is used for the session rejection information that the receiving terminal transceiver module sends, and the announcement session request module stops to send the request of setting up session.
The terminal transceiver module is used to receive the request of setting up session that the conversation request module sends, and is forwarded to access network; Receive the session rejection information that access network sends, be forwarded to the session stop module.
This accesses terminal and also comprises subnet colour coding logging modle, is used for the subnet colour coding that preservation can be sent the access network of session rejection information; After receiving new subnet colour coding, the announcement session request module sends the request of setting up session.At this moment, the conversation request module after being further used for receiving the notice of subnet colour coding logging modle transmission, sends the request of setting up session to the terminal transceiver module.
Fig. 6 is the access network structural representation in the embodiment of the invention, and as shown in Figure 6, access network comprises abnormal terminals determination module, network transceiving module and session rejection module, wherein,
Network transceiving module is used to receive the request of setting up session that accesses terminal and send, and is forwarded to the abnormal terminals determination module; Receive the session rejection information that the session rejection module sends, be forwarded to and access terminal.
The abnormal terminals determination module is used to receive the request of setting up session that network transceiving module sends, and judges according to this request whether this accesses terminal is to access terminal unusually, is to access terminal unusually, then announcement session refusal module.
The session rejection module is used to receive the notice that the abnormal terminals determination module sends, and sends session rejection information to network transceiving module.
The abnormal terminals determination module comprises memory module and searches module,
Memory module is used to preserve the blacklist that sets in advance or the list of opening an account;
Search module, be used for after the request of setting up session that receives the network transceiving module transmission, when in the blacklist that memory module is preserved, finding this record that accesses terminal, judge that this accesses terminal to accessing terminal unusually; Or when in the list of opening an account that memory module is preserved, not finding this record that accesses terminal, judge that this accesses terminal to accessing terminal unusually; And announcement session refusal module.
The abnormal terminals determination module comprises comparison module and failure record module,
The failure record module is used to preserve this number of times with the continuous session protocol failure of access network of accessing terminal;
Comparison module, be used for after the request of setting up session that receives the network transceiving module transmission, this that determine that the failure record module preserves accesses terminal number of times with the continuous session protocol failure of access network more than or equal to the maximum frequency of failure of preserving in advance, judges that then this accesses terminal to accessing terminal unusually; And announcement session refusal module.
By the above as can be seen, the technical scheme that the embodiment of the invention provided, determine accessing terminal of initiation session foundation at access network to after accessing terminal unusually, initiatively refusal accesses terminal with this and sets up session, making accesses terminal unusually stops request and sets up session with it, thereby saved interface-free resources, improved the overall performance index of wireless communication system.
Simultaneously, access network refusal with access terminal unusually set up session after stop request and set up session owing to access terminal, make the message that access network does not need reprocessing again to access terminal unusually and send, repeat to close session again, thereby effectively avoided impact the AN disposal ability.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a session rejection method is characterized in that, this method comprises:
The request of setting up session that reception accesses terminal and sends;
Judge according to described request whether described accessing terminal is to access terminal unusually;
Described accessing terminal is to access terminal unusually, then notifies it to stop to send the request of setting up session to the described transmission session rejection information that accesses terminal.
2. the method for claim 1 is characterized in that, described session rejection information sends by single ripple access terminal identification refusal UATIReject message of address administration agreement.
3. the method for claim 1 is characterized in that, described session rejection information sends by carrying the session close message of closing cause value that shows the refusal session.
4. the method for claim 1 is characterized in that, described judge this access terminal whether be access terminal unusually into:
Determine that described accessing terminal is arranged in the blacklist that sets in advance, or definite described accessing terminal do not opened an account then described accessing terminal to accessing terminal unusually.
5. the method for claim 1 is characterized in that, described judge this access terminal whether be access terminal unusually into:
Judgement is in the predefined time period, and continuously the number of times of session negotiation failure is greater than the maximum frequency of failure that sets in advance, then described accessing terminal to accessing terminal unusually.
6. the method for claim 1 is characterized in that, described notice accesses terminal and stops to send the request of setting up session and be:
Notify described accessing terminal in the time period that sets in advance, stop to send the request of setting up session;
Or notify described accessing terminal to stop initiatively to send the request of setting up session;
Or notify described accessing terminal in the subnet of current place, to stop to send the request of setting up session.
7. one kind accesses terminal, and it is characterized in that, described accessing terminal comprises conversation request module, session stop module and terminal transceiver module,
Described conversation request module is used for sending the request of setting up session to the terminal transceiver module; After the notice that receives the session stop module, stop to send the request of setting up session;
Described session stop module is used for the session rejection information that the receiving terminal transceiver module sends, and the announcement session request module stops to send the request of setting up session;
Described terminal transceiver module is used to receive the request of setting up session that the conversation request module sends, and is forwarded to access network; Receive the session rejection information that access network sends, be forwarded to the session stop module.
8. as claimed in claim 7 accessing terminal is characterized in that, described accessing terminal further comprises subnet colour coding logging modle, is used to preserve the subnet colour coding of the access network that sends session rejection; After receiving new subnet colour coding, the announcement session request module sends the request of setting up session;
Described conversation request module after being further used for receiving the notice of described subnet colour coding logging modle transmission, sends the request of setting up session to the terminal transceiver module.
9. an access network is characterized in that, described access network comprises abnormal terminals determination module, network transceiving module and session rejection module,
Described network transceiving module is used to receive the request of setting up session that accesses terminal and send, and is forwarded to the abnormal terminals determination module; Receive the session rejection information that the session rejection module sends, be forwarded to and access terminal;
Described abnormal terminals determination module is used to receive the request of setting up session that network transceiving module sends, and judges according to described request whether described accessing terminal is to access terminal unusually, is the then announcement session refusal module that accesses terminal unusually;
Described session rejection module is used to receive the notice that the abnormal terminals determination module sends, and sends session rejection information to network transceiving module.
10. access network as claimed in claim 9 is characterized in that, described abnormal terminals determination module comprises memory module and search module,
Described memory module is used to preserve the blacklist that sets in advance or the list of opening an account;
The described module of searching is used for after receiving the request of setting up session that network transceiving module sends, and when finding the described record that accesses terminal in the blacklist that described memory module is preserved, judges described accessing terminal to accessing terminal unusually; Or when in the list of opening an account that described memory module is preserved, not finding the described record that accesses terminal, judge described accessing terminal to accessing terminal unusually; And announcement session refusal module.
11. access network as claimed in claim 9 is characterized in that, described abnormal terminals determination module comprises comparison module and failure record module,
Described failure record module is used to preserve the described number of times that accesses terminal with the continuous session protocol failure of access network;
Described comparison module, be used for after the request of setting up session that receives the network transceiving module transmission, the described number of times with the continuous session protocol failure of access network of accessing terminal of determining that described failure record module is preserved is then judged described accessing terminal to accessing terminal unusually more than or equal to the maximum frequency of failure of preserving in advance; And announcement session refusal module.
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| WO2012159294A1 (en) * | 2011-06-24 | 2012-11-29 | 华为技术有限公司 | Network access control method, terminal and access network device |
| WO2016023163A1 (en) * | 2014-08-11 | 2016-02-18 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for access controlling |
| CN106899967A (en) * | 2015-12-21 | 2017-06-27 | 北京奇虎科技有限公司 | WiFi cipher safe protecting methods and device |
| WO2019024102A1 (en) * | 2017-08-04 | 2019-02-07 | 华为技术有限公司 | Method for processing session in wireless communication, and terminal device |
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| US6430619B1 (en) * | 1999-05-06 | 2002-08-06 | Cisco Technology, Inc. | Virtual private data network session count limitation |
| CN1141831C (en) * | 2002-06-24 | 2004-03-10 | 西安大唐电信有限公司 | Short speech message transmission system |
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| CN101197670A (en) * | 2006-12-08 | 2008-06-11 | 中兴通讯股份有限公司 | Authentication device for providing authentication to users accessing by terminal |
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| CN112770388A (en) * | 2020-12-24 | 2021-05-07 | 努比亚技术有限公司 | Information management system registration method, terminal and computer readable storage medium |
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