CN101159562B - Method for establishing IP connection to access to network conversation - Google Patents
Method for establishing IP connection to access to network conversation Download PDFInfo
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- CN101159562B CN101159562B CN2007101653931A CN200710165393A CN101159562B CN 101159562 B CN101159562 B CN 101159562B CN 2007101653931 A CN2007101653931 A CN 2007101653931A CN 200710165393 A CN200710165393 A CN 200710165393A CN 101159562 B CN101159562 B CN 101159562B
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Abstract
The invention discloses a method for setting up an IP connection access network session, which is used in a worldwide interoperability for microwave access. When the ASN-policy and charging enforcement function confirms the set-up of the IP connection access network session, the method comprises the following steps: step a: the ASN-policy and charging enforcement function receives a request for joining the IP connection access network session from the policy distribution function, and then sends a request for judging whether to join the IP connection access network session to the authentication charging; step b: the ASN-policy and charging enforcement function executes the authorization strategy feedback from the authentication charging to confirm to join the IP connection access network session, completing the method. The inventive method utilizes the CSN-policy and charging enforcement function during the set-up of the IP-CAN session, to ensure the quality of service in the CSN domain.
Description
Technical field
The present invention relates to a kind of establishment procotol (Internet Protocol, be called for short: IP) connect access network (IP Connect Access Network, be called for short: the IP-CAN) method of session, relate in particular to a kind of at microwave access global intercommunication network (Worldwide Interoperability for MicrowaveAccess, abbreviation: the method for creating the IP-CAN session WiMAX).
Background technology
IP Multimedia System (IP Multimedia Core Network Subsystem, be called for short IMS) be by third generation partner program (3rd Generation Partnership Project, abbreviation 3GPP) a kind of network architecture that proposes based on the IP technology, the user can be linked among the IMS by any IP Access Network, as passing through universal land radio access web, wireless mesh network, WLAN (wireless local area network), Wideband Code Division Multiple Access (WCDMA) Access Network, Digital Subscriber Line and cable etc., these Access Networks are referred to as IP-CAN.Core key-course that IMS provides and Access Network are irrelevant, and this characteristic has constituted the core technology of IMS.
In IMS, what control side and user side is to finish by the policy control based on business alternately, IMS requires and can carry out policy control based on business according to the strategy of operator and user's demand, as allow IP bag pass through with drop policy etc., and can realize charging to the different business data flow, promptly (Policy and Charging Control is called for short: PCC) policy and charging control in IMS.
WiMAX is being incomplete as a kind of emerging wireless access broadband technology aspect the whole flow process of PCC.What the flow process of setting up at present the IP-CAN session in WiMAX mainly was based on the IP-CAN session that proposes that 3GPP formulates in the standard by the fast wireless network transmitting multimedia contents sets up that the flow process development comes.But the PCC framework of the PCC framework of 3GPP and WiMAX is very different, in the PCC of 3GPP framework, has only a policy and charging enforcement function (Policy andCharging Enforcement Function, be called for short: PCEF), and in the PCC of WiMAX framework, at accessing business network (Access Service Network, be called for short: ASN) territory be connected service network (Connect Service Network, be called for short: CSN) respectively there is a PCEF in the territory, that is: policy and charging enforcement function (ASN-Policy and Charging Enforcement Function in the ASN territory, be called for short: policy and charging enforcement function (CSN-Policy and ChargingEnforcement Function, abbreviation: C-PCEF) A-PCEF) and in the CSN territory.
As shown in Figure 1, be the flow chart of the method for creating the IP-CAN session in WiMAX of prior art, this method may further comprise the steps:
Step 101: subscriber equipment (User Equipment, be called for short: UE) during access network, the access business network gateway (Access Service Network Gateway, be called for short: after AGW) be UE distributing IP address, A-PCEF triggering IP-CAN conversation establishing;
Step 102:A-PCEF is to strategy distribution function (Policy Distribution Function, be called for short: PDF) send the delegated strategy request, comprise in this delegated strategy request: IP connects IP address information or the identification information of access network type information, customer equipment identification information and A-PCEF;
At this, it is that WiMAX inserts that IP connects the access network type.
After step 103:PDF receives the delegated strategy request, store the information that comprises in this delegated strategy request, and institute's canned data is transmitted to the policy charging rule function, and (Policy and ChargingRules Function is called for short: PCRF);
If step 104:PCRF does not store this IP-CAN sessions of users relevant information, then to signatory storehouse (the Subscription Profile Repository of user, be called for short: SPR) send the request of inquiry IP-CAN session related information, comprise in the request of this inquiry IP-CAN session related information: customer equipment identification information;
Above-mentioned IP-CAN session related information comprises: authorize business information and PCC Rule Information, wherein, authorize in the business information to comprise: (Quality of Service is called for short: QoS) for type of service that the user contracted and professional service quality; The PCC Rule Information comprises: at the strategy and the charging regulation information of user institute signing service type.
Step 105:SPR returns this IP-CAN sessions of users relevant information to PCRF;
After the IP-CAN sessions of users relevant information was upgraded, SPR can provide the real-time update notice from trend PCRF.
This IP-CAN sessions of users relevant information that step 106:PCRF storage is returned from SPR, extract the information that comprises in the received delegated strategy request, according to the signatory type of service of UE from application function (Application Function, be called for short: obtain traffic performance AF), and make the delegated strategy decision-making according to access network type and PCC Rule Information;
Step 107:PCRF sends delegated strategy to PDF;
Comprise in the above-mentioned delegated strategy: UE traffic stream identifier, QoS information, upstream bandwidth, downlink bandwidth and charging regulation etc.
Step 108:PDF stores received delegated strategy, sends to A-PCEF and confirms IP-CAN conversation establishing message, comprises delegated strategy in this affirmation IP-CAN conversation establishing message;
After step 109:A-PCEF receives the confirmation IP-CAN conversation establishing message, to Business Stream binding and execution delegated strategy;
Step 110:A-PCEF confirms the establishment of IP-CAN session, and this method finishes.
By said method as can be known, the flow process of creating at present the IP-CAN session in WiMAX is based on that the strategy execution in ASN territory considers, and for the strategy execution in CSN territory, does not provide solution.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of in the WiMAX network, provides the method for the establishment IP-CAN session of improving solution for the strategy execution in CSN territory.
For solving the problems of the technologies described above, a kind of method that IP connects access to network conversation of creating of the present invention, be applied in the microwave access global intercommunication network, after policy and charging enforcement function in the accessing business network territory confirms that IP connects the access to network conversation establishment, this method comprises the steps: step a: the policy and charging enforcement function judges whether to add described IP to the authentication and authorization charging transmission and connects the access to network conversation request after the adding IP that receives the transmission of strategy distribution function connects the access to network conversation request in the connection service network territory; Step b: connect the delegated strategy that policy and charging enforcement function executing authentication and authorization charging returns in the service network territory, confirm to add IP and connect access to network conversation, this method finishes.
Further, also comprise following steps: step c between step a and step b: authentication and authorization charging is according to the policy configurations relevant information, judges whether that needing to add IP connects access to network conversation, if desired execution in step b then; Otherwise carry out next step; Steps d: the policy and charging enforcement function sends refusal adding IP connection access to network conversation message, this method end to the strategy distribution function in the connection service network territory.
Further, the policy configurations relevant information comprises: QoS of customer requires rank.
Further, also comprise following steps: step e between step a and step b: authentication and authorization charging is according to the identification information that judges whether to add the access business network gateway that comprises in the request of IP connection access to network conversation that receives, judge whether need to add IP and connect access to network conversation, if desired execution in step b then; Otherwise carry out next step; Step f: the policy and charging enforcement function sends refusal adding IP connection access to network conversation message, this method end to the strategy distribution function in the connection service network territory.
Further, adding the request of IP connection access to network conversation comprises: IP connects the IP address information or the identification information of policy and charging enforcement function in access network type information, customer equipment identification information and the accessing business network territory.
Further, customer equipment identification information comprises: the signatory mark information of user device IP address information and subscriber equipment, above-mentioned customer equipment identification information connect the identification information of access to network conversation as IP.
Further, judging whether to add IP connects in the access to network conversation request and comprise: IP connects the address information of policy and charging enforcement function in the identification information of access to network conversation, the address information that connects policy and charging enforcement function in the service network territory, the accessing business network territory and the identification information of access business network gateway.
Further, delegated strategy comprises: user apparatus service traffic identifier, quality of service information, upstream bandwidth, downlink bandwidth and charging regulation.
Further, in step b, the policy and charging enforcement function sends to the strategy distribution function and confirms to add IP connection access to network conversation message in the connection service network territory, and affirmation adds IP and connects access to network conversation.
Adopt method of the present invention, in the process of creating the IP-CAN session, add the strategy execution in CSN territory, guaranteed the QoS in CSN territory.
Description of drawings
Fig. 1 is the flow chart of method of the establishment IP-CAN session of prior art;
Fig. 2 is the flow chart of the method for a kind of IP-CAN of establishment session of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated:
As shown in Figure 2, be a kind of flow chart of creating the method for IP-CAN session of the present invention, this method may further comprise the steps:
Step 201: subscriber equipment (User Equipment, be called for short: UE) during access network, the access business network gateway (Access Gateway, be called for short: after AGW) be UE distributing IP address, A-PCEF triggering IP-CAN conversation establishing;
Step 202:A-PCEF sends the delegated strategy request to PDF, comprise in this delegated strategy request: the delegated strategy solicited message comprises in this delegated strategy solicited message: IP connects IP address information or the identification information of access network type information, UE identification information and A-PCEF; The UE identification information comprises: the IP address information of UE and the signatory mark information of UE.
In the present embodiment, it is that WiMAX inserts that IP connects the access network type.
After step 203:PDF receives the delegated strategy request, store the delegated strategy solicited message that comprises in this delegated strategy request, and this delegated strategy solicited message is transmitted to PCRF;
If step 204:PCRF does not store this IP-CAN sessions of users relevant information, then send the request of inquiry IP-CAN session related information to SPR, comprise in the request of this inquiry IP-CAN session related information: the UE identification information;
Above-mentioned IP-CAN session related information comprises: authorize business information and PCC Rule Information, wherein, authorize in the business information to comprise: type of service that the user contracted and professional QoS; The PCC Rule Information comprises: at the strategy and the charging regulation information of user institute signing service type.
Step 205:SPR returns this IP-CAN sessions of users relevant information to PCRF;
After the IP-CAN sessions of users relevant information was upgraded, SPR can provide the real-time update notice from trend PCRF.
This IP-CAN sessions of users relevant information that step 206:PCRF storage is returned from SPR, extract the information that comprises in the received delegated strategy request, from AF, obtain traffic performance according to the type of service that UE is signatory, and make the delegated strategy decision-making according to access network type and PCC Rule Information;
Step 207:PCRF sends delegated strategy to PDF;
Comprise in the above-mentioned delegated strategy: UE traffic stream identifier, QoS information, upstream bandwidth, downlink bandwidth and charging regulation etc.
Step 208:PDF stores received delegated strategy, sends IP-CAN conversation establishing acknowledge message to A-PCEF, comprises delegated strategy in this IP-CAN conversation establishing acknowledge message;
After step 209:A-PCEF receives IP-CAN conversation establishing acknowledge message, to binding of existing business stream and execution delegated strategy;
Step 210:A-PCEF confirms the establishment of IP-CAN session;
Step 211:PDF sends to C-PCEF and adds the IP-CAN conversation request;
Comprise in this adding IP-CAN conversation request: IP connects IP address information or the identification information of access network type information, UE identification information and A-PCEF; Above-mentioned UE identification information is used for unique identification and goes out the IP-CAN session as the identification information of IP-CAN session, and it comprises: the IP address information of UE and the signatory mark information of UE.
After step 212:C-PCEF received and adds the IP-CAN conversation request, (Authentication Authorization Accounting was called for short: AAA) send and judge whether to add the IP-CAN conversation request to authentication and authorization charging;
This judges whether to add the identification information that comprises the IP-CAN session in the IP-CAN conversation request, the address information of C-PCEF, the address information of A-PCEF and the identification information of AGW etc.
Step 213:AAA judges whether to need to add the IP-CAN session, and returns Indication message to C-PCEF;
AAA can be according to the policy configurations relevant information, and judging whether needs to add the IP-CAN session, and this policy configurations relevant information comprises: user's qos requirement rank etc., if user's qos requirement rank is higher, then AAA judges that C-PCEF need add the IP-CAN session.
AAA also can judge whether AGW does not belong to identical operator with the CSN net according to the AGW identification information, if AGW does not belong to identical operator with the CSN net, then AAA judges that C-PCEF need add the IP-CAN session.
If AAA judges that C-PCEF need add the IP-CAN session, then in returning to the Indication message of C-PCEF, comprise delegated strategy, comprise in this delegated strategy: UE traffic stream identifier, QoS information, upstream bandwidth, downlink bandwidth and charging regulation etc.
Step 214: if the Indication message that C-PCEF receives is to confirm to add the IP-CAN session, then C-PCEF carries out the delegated strategy that comprises in this Indication message; If the Indication message that C-PCEF receives is to need not to add the IP-CAN session, then send refusal and add the IP-CAN conversation message to PDF, this method finishes.
Step 215:C-PCEF sends to PDF and confirms to add the IP-CAN conversation message, joins in the IP-CAN session, and this method finishes.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and these change and be out of shape the protection range that all should belong to the appended claim of the present invention accordingly.
Claims (9)
1. create the method that IP connects access to network conversation for one kind, be applied to it is characterized in that in the microwave access global intercommunication network, after policy and charging enforcement function in the accessing business network territory confirmed that IP connects the access to network conversation establishment, this method comprised the steps:
Step a: the policy and charging enforcement function judges whether to add described IP to the authentication and authorization charging transmission and connects the access to network conversation request after the adding IP that receives the transmission of strategy distribution function connects the access to network conversation request in the connection service network territory;
Step b: connect the delegated strategy that policy and charging enforcement function executing authentication and authorization charging returns in the service network territory, confirm to add IP and connect access to network conversation, this method finishes.
2. establishment IP as claimed in claim 1 connects the method for access to network conversation, it is characterized in that, also comprises following steps between step a and step b:
Step c: authentication and authorization charging is according to the policy configurations relevant information, judges whether that needing to add IP connects access to network conversation, if desired execution in step b then; Otherwise carry out next step;
Steps d: the policy and charging enforcement function sends refusal adding IP connection access to network conversation message, this method end to the strategy distribution function in the connection service network territory.
3. establishment IP as claimed in claim 2 connects the method for access to network conversation, it is characterized in that described policy configurations relevant information comprises: QoS of customer requires rank.
4. establishment IP as claimed in claim 1 connects the method for access to network conversation, it is characterized in that, also comprises following steps between step a and step b:
Step e: authentication and authorization charging adds the identification information that IP connects the access business network gateway that comprises in the access to network conversation request according to judging whether of receiving, judges whether that needing to add IP connects access to network conversation, if desired execution in step b then; Otherwise carry out next step;
Step f: the policy and charging enforcement function sends refusal adding IP connection access to network conversation message, this method end to the strategy distribution function in the connection service network territory.
5. establishment IP as claimed in claim 1 connects the method for access to network conversation, it is characterized in that described adding IP connects the access to network conversation request and comprises: IP connects the IP address information or the identification information of policy and charging enforcement function in access network type information, customer equipment identification information and the accessing business network territory.
6. establishment IP as claimed in claim 5 connects the method for access to network conversation, it is characterized in that, described customer equipment identification information comprises: the signatory mark information of user device IP address information and subscriber equipment, described customer equipment identification information connect the identification information of access to network conversation as IP.
7. establishment IP as claimed in claim 1 connects the method for access to network conversation, it is characterized in that, describedly judge whether to add IP and connect in the access to network conversation request and comprise: IP connects the address information of policy and charging enforcement function in the identification information of access to network conversation, the address information that connects policy and charging enforcement function in the service network territory, the accessing business network territory and the identification information of access business network gateway.
8. establishment IP as claimed in claim 1 connects the method for access to network conversation, it is characterized in that described delegated strategy comprises: user apparatus service traffic identifier, quality of service information, upstream bandwidth, downlink bandwidth and charging regulation.
9. establishment IP as claimed in claim 1 connects the method for access to network conversation, it is characterized in that: in step b, the policy and charging enforcement function sends to the strategy distribution function and confirms to add IP connection access to network conversation message in the connection service network territory, and affirmation adds IP and connects access to network conversation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101653931A CN101159562B (en) | 2007-10-26 | 2007-10-26 | Method for establishing IP connection to access to network conversation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101653931A CN101159562B (en) | 2007-10-26 | 2007-10-26 | Method for establishing IP connection to access to network conversation |
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| CN101159562B true CN101159562B (en) | 2011-07-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101582777B (en) * | 2008-05-16 | 2013-08-07 | 华为技术有限公司 | Method and device for acquiring policy and charging control rule |
| CN101345637B (en) * | 2008-08-20 | 2014-01-01 | 中兴通讯股份有限公司 | Method and apparatus for discovering policy charging decision function/policy distribution function entity |
| CN102098653A (en) * | 2009-12-14 | 2011-06-15 | 中兴通讯股份有限公司 | Method and system for realizing QoS (Quality of Service) control |
| CN105406973A (en) * | 2015-10-20 | 2016-03-16 | 中国联合网络通信集团有限公司 | Rule information acquisition method and rule information acquisition device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801808A (en) * | 2005-08-24 | 2006-07-12 | 华为技术有限公司 | Method and system for improving resource utilization efficiency in communication network |
| CN1848739A (en) * | 2005-11-03 | 2006-10-18 | 华为技术有限公司 | Charging system and method |
| CN101052201A (en) * | 2006-04-03 | 2007-10-10 | 中兴通讯股份有限公司 | Evolution mobile communication system and its strategy consulting method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801808A (en) * | 2005-08-24 | 2006-07-12 | 华为技术有限公司 | Method and system for improving resource utilization efficiency in communication network |
| CN1848739A (en) * | 2005-11-03 | 2006-10-18 | 华为技术有限公司 | Charging system and method |
| CN101052201A (en) * | 2006-04-03 | 2007-10-10 | 中兴通讯股份有限公司 | Evolution mobile communication system and its strategy consulting method |
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Granted publication date: 20110713 Termination date: 20191026 |