CN101119211A - Service implementing method of equal user tactics - Google Patents
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- CN101119211A CN101119211A CNA2007101219552A CN200710121955A CN101119211A CN 101119211 A CN101119211 A CN 101119211A CN A2007101219552 A CNA2007101219552 A CN A2007101219552A CN 200710121955 A CN200710121955 A CN 200710121955A CN 101119211 A CN101119211 A CN 101119211A
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Abstract
The present invention discloses an service realization method for the fair user policy, mainly comprising the following steps: A, the user accesses an accessing server and goes to an AAA server to fulfill the accessing authority inspecting; B, the accessing server receives the grouping data service request of the user and matches the fee calculating rules and the policy information; if the match is successful, the step D comes up, otherwise the fee calculating rules and the policy requests are sent to PCRF; wherein, the fee calculating rules have relative relationships with the user type, the service type and the fee calculating policy, the policy information have relative relationships with the fee calculating policy, the policy cycle, the flux quota and the pointed speed; C, the PCRF server sends fee calculating rules and the policy response to the accessing server and issues the relative fee calculating rules and the policy information; D, the users process the transmission of the service data, access to the network and execute the policy information of the service and add up the data flow rate of the service. The present invention can effectively elevate the justification of the network resources used by the users.
Description
Technical field
The present invention relates to the communications field, relate in particular to the service implementation method of equal user tactics in a kind of packet data network.
Background technology
Along with popularizing rapidly and rapid development of network technique of the Internet, Packet data service becomes the popular behavior of more and more popularizing.Present Packet data service is mostly carried out single charging policy, promptly charge according to quantity or periodic metering, chargeing according to quantity is to receive and send quantity of data packets according to the user to collect the charges, and periodic metering is to collect the charges according to the time that the user inserts packet network.
The charging way of single charging policy has some shortcomings like this: the first, and the Internet resources of operator are limited, the user of all access carrier networks enjoys same data rate, and no matter which type of business this user does; When network blockage, all users' business is all influenced, and the excessive use resource of certain user influences other users' business of networking, to these user's unfairnesses; The second, section at the same time, the flow of user online is unpredictable, and operator not have the load of the way balancing network of getting well.
In addition, along with making rapid progress of network technology, the internet expedites the emergence of increasing new things.P2P (Peer to Peer) download technology is exactly typical case's representative, be that the extensive use of the P2P class download tool of representative has brought new problem to telecom operators wherein, make that the defective of the single charging policy of operator is more and more obvious with BT (BitTorrent), electric mule.Because BT class business can seriously occupy the network bandwidth, under existing bandwidth, can cause network congestion, and cause some common users can't use various services on the network normally, so allow BT user's unconfined use, be exactly unfairness, and the simple and crude P2P business of forbidding also is unpractical to those non-BT users.
Therefore, how to guarantee the use Internet resources of each user fairness as far as possible, and the load balance that as far as possible guarantees network, the technical problem that needs to be resolved hurrily become.
Summary of the invention
Technical problem to be solved by this invention provides a kind of service implementation method of equal user tactics, to improve the fairness that the user uses Internet resources.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of service implementation method of equal user tactics comprises the steps:
A, user insert access server, and finish access authentication to authentication, mandate and charging (AAA) server;
B, access server receive user's Packet data service request, according to Packet data service request message coupling charging regulation and policy information, if the match is successful, enter step D; Otherwise, send charging regulation and strategy request to strategy and charging regulation server (PCRF); Wherein, described charging regulation is the corresponding relation of user type and type of service and charging policy, and described policy information is the corresponding relation of charging policy and strategy cycle, flow quota and assigned rate;
C, PCRF server send charging regulation and policy response to access server, issue corresponding charging regulation and policy information;
D, user carry out the transmission of business datum, and access network is carried out this professional policy information, and this professional data traffic is added up;
Behind E, the user offline, access server sends end to PCRF, and this end comprises the current cumulative data flow of customer service;
After F, PCRF server receive end, calculate and preserve the residual flow quota of this customer service, and return acknowledge message to access server;
After G, access server receive the confirmation message, send charging message, and discharge the user to aaa server.
Among the step B, access server mates charging regulation and policy information according to source IP, purpose IP, source port, destination interface, IP protocol type and the application protocol type information of Packet data service request message.
Among the step C, the policy information that PCRF issues to access server comprises residual flow quota and tactful identification number.
Also comprise among the step C: set up the customer service session connection between access server and the PCRF server, after charging regulation or policy information changed, the PCRF server directly issued the charging regulation and the policy information of each session and gives access server.
Among the step D, implementation strategy information be access server in the access network.
Among the step D, implementation strategy information be base station, base station controller, group control of functional node or packet data serving node in the access network.
Step D specifically comprises:
Access network compares current cumulative data flow and flow quota, if current cumulative data flow is less than the flow quota, then carry out transfer of data according to the assigned rate before exceeding the quata, if current cumulative data flow then carries out transfer of data according to the assigned rate after exceeding the quata greater than the flow quota;
Access network compares data speed and assigned rate, if data rate surpasses assigned rate, then abandons the data message that this surpasses assigned rate.
Also comprise among the step D: during greater than the flow quota, access server sends the policy update request message to PCRF at current cumulative data flow, sends charging message to aaa server, carries current cumulative data flow and rate in this charging message; After PCRF receives the policy update request message, the residual flow quota is updated to 0; Access server restarts integrated flow information.
Also comprise among the step D: when all data services of access server carrying surpassed its access capability, access server limited all user service flow amounts.
Method of the present invention also comprises: after the user had bought Ex quota, PCRF upgraded corresponding flow quota.
When described Ex quota corresponding service was online, PCRF also directly was issued to access server with policy information.
Method of the present invention has solved the problem that present single charging policy ran into, can effectively guarantee the use Internet resources of each packet network user fairness, prevent the business of unconfined some the big flows of use of user and cause network blockage, reach the purpose of reasonable distribution packet network bandwidth resources, further can also realize the load balance of Internet resources.
Description of drawings
Fig. 1 is the service implementation method schematic flow sheet of the equal user tactics of preferred embodiment of the present invention;
Fig. 2 is the configuration diagram of the applied CDMA2000-1x network of method of the present invention;
Fig. 3 is the application example business process map under normal circumstances of method of the present invention;
Fig. 4 is the application example business process map under special circumstances of method of the present invention.
Embodiment
Core concept of the present invention is: the service traffics of control packet data user and the use Internet resources that service rate is realized the packet data user justice.To certain Packet data service of certain user, in a life cycle, for it distributes a flow quota and an assigned rate, the user can only use the flow quota of distributing with assigned rate in this life cycle; In this life cycle, the user uses the flow quota that is over and distributes, and system then can reduce this user's Packet data service speed.
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Please refer to Fig. 1, the service implementation method of the equal user tactics of preferred embodiment of the present invention comprises the steps:
Step 101: user (MS) inserts access server, and to authentication, mandate and charging (Authentication, Authorization, Accounting, AAA) server is finished access authentication;
The user initiates user's access process, and access server (perhaps being called IAD) receives user's access request, initiates authentication process to aaa server, and after authentication was finished, the user inserted success.
Step 102: access server receives user's Packet data service request, according to Packet data service request message coupling charging regulation and policy information, if the match is successful, enters step 104; If it fails to match, access server is to strategy and charging regulation server (Policy and Charging Rules Functionserver, PCRF) transmission charging regulation and strategy request;
Wherein, described charging regulation is the corresponding relation of user type and type of service and charging policy, and described policy information is the corresponding relation of charging policy and strategy cycle, flow quota and assigned rate.After access server receives user's Packet data service request, mate charging regulation and policy information according to source IP, purpose IP, source port, destination interface, IP protocol type and the application protocol type information of Packet data service request message.(IP Multimedia System has introduced the PCRF server in IMS), and has defined the interface between itself and the access server, and this PCRF server does not exist in existing packet network in the IP multimedia system.The method of preferred embodiment of the present invention is introduced this PCRF server in existing packet network, and this PCRF server can be provided with separately, also can unify with existing elements (for example aaa server).Access server is in charging regulation and strategy request message that PCRF sends, comprise source IP, purpose IP, source port, destination interface, IP protocol type, application protocol type, uniform resource locator (Uniform Resoure Locator, information such as URL), access server is according to these information matches charging regulation and policy information.
Described charging regulation can comprise a plurality of filters, and described filters has following characteristic: the first, and the business datum flow filter is unidirectional, so that carry out quota restrictions and rate limit at preceding reverse data flow respectively; The second, different business datum flow filter has different sign granularities: based on the filter of IP five-tuple, port numbers and protocol number can carry out wildcard, and the IP address can wildcard, and support the mask mode; Can further analyze the particular filter of message, complicated operations more is provided, can filter the transport layer on the IP layer and the data flow of application layer, these rules are transmitted by the standard interface mode by PCRF; The 3rd, if do not have available packet filtering device for a business data flow, access server then can abandon the message of this business data flow; Therefore, can define general charging regulation, in order to avoid access server abandons the message of coupling less than filter.
Described policy information comprises: the user is interior flow quota of cycle at the appointed time, data rate, the rate of flow quota correspondence; Different Strategies information identifies with kinds of characters or other unique identifications.Access server is gone up with PCRF and is safeguarded identical policy information table, the corresponding relation of record identify number and policy information.
Step 103:PCRF server sends charging regulation and policy response to access server, issues corresponding charging regulation and policy information;
PCRF can only issue residual flow quota and tactful identification number when giving access server distributing policy information.In this step, also further set up the customer service session connection between access server and the PCRF server, after charging regulation or policy information changed, the PCRF server directly issued the charging regulation and the policy information of (push) each session and gives access server.Each different service conversation link information of this user of PCRF server maintenance is preserved the current business flow quota and the corresponding strategy information of each connection.
Step 104: the user carries out the transmission of business datum, and access network is carried out this professional policy information, and this professional data traffic is added up;
Wherein, implementation strategy information can be access server in the access network, also can be other radio nodes in the access network, base station (Base Transceiver Station for example, BTS), base station controller (Base Station Controller, BSC), group control of functional node (Packet Control Function, PCF), packet data serving node (Packet Data Service Node, PDSN) etc.With access server implementation strategy information is example, and this step specifically comprises:
Access server compares current cumulative data flow and flow quota, if current cumulative data flow is less than the flow quota, then carry out transfer of data according to the assigned rate before exceeding the quata, if current cumulative data flow then carries out transfer of data according to the assigned rate after exceeding the quata greater than the flow quota; Access server compares data speed and assigned rate, if data rate surpasses assigned rate, then abandons the data message that this surpasses assigned rate.
During greater than the flow quota, access server further sends the policy update request message to PCRF at current cumulative data flow, and sends charging message to aaa server, carries current cumulative data flow and rate in this charging message; After PCRF receives the policy update request message, the residual flow quota is updated to 0; Access server restarts integrated flow information.
In this step, when all data services of access server carrying surpassed its access capability, access server can also further limit all user service flow amounts.
Step 105: behind the user offline, access server sends end to PCRF, comprises the business datum flow of each professional current accumulative total of user in this end;
After step 106:PCRF server receives end, calculate and preserve this user corresponding professional remaining quota information, and return acknowledge message to access server;
PCRF calculates and preserves remaining quota, when this business application of next this user inserts, remaining quota is handed down to this business of this user; PCRF begins the flow quota of recovering default again in the next time cycle of regulation, calculates remaining quota in next time cycle again; When the user used the flow quota in designated period after, if the user wants to improve speed of surfing the Internet, the user can pay and buy extra quota; If the user has bought quota at added flow, then PCRF needs update strategy information, and new flow quota and rate promptly are set, if current business is online, also by the push mode new policy information is issued to access server.
Step 107: after access server receives the confirmation message, send charging message, and discharge the user to aaa server.
Below provide method of the present invention and be applied in a application example in the CDMA2000-1x system.
At present the core network element in the CDMA2000 packet data network comprises: and BTS, BSC, PCF, PDSN, aaa server, home agent (Home Agent, HA).Method of the present invention be applied in the CDMA2000-1x network the representative network framework as shown in Figure 2: access server correspondence the PDSN here in the inventive method; Access Network correspondence the BTS here in the inventive method BSC access network that PCF, PDSN formed; PCRF in the inventive method is the new network element of introducing among the IMS, can be server independently, also can unify with aaa server.
In this application example, on PCRF, be provided with in advance and the preservation charging regulation, charging regulation as shown in table 1 below for example is set:
| User type | Type of service | Charging policy |
| Ev-Do Rev.A user | Web page browsing, Email | A |
| The P2P business | B | |
| The 1x data user | Web page browsing, Email | C |
| The P2P business | D |
Table 1
And on PCRF, set in advance and conversation strategy information, this policy information also need dispose on PDSN simultaneously, and perhaps the interface by standard is issued to upward preservation of PDSN by PCRF, and Policy Info: as shown in table 2 below for example is set
| The strategy sign | The strategy cycle | The flow quota | Speed (descending/up) Kbps | Rate | ||||
| Before exceeding the quata | After exceeding the quata | Before the additional payment | After the additional payment | |||||
| ?A | | 2G | Unrestrictedly | 256/128 | ?1 | ?1.2 | ||
| ? | Month | 1G | 64/32 | 16/8 | ?1 | ?1.2 | ||
| ? | |
1G | Unrestrictedly | 256 | ?1 | ?1.2 | ||
| ? | Month | 1G | 48 | 16 | ?1 | ?1.2 | ||
Table 2
After as above being provided with, just can control the service traffics of packet data user and the use Internet resources that service rate is realized the packet data user justice.
Please refer to Fig. 3, be the application example business process map under normal circumstances of method of the present invention, described normal condition is meant that service traffics do not surpass the flow quota, specifically comprise the steps:
Step 301:Ev-Do user began to insert for the first time in the cycle of appointment, after PDSN receives user's HTTP service request, mate less than charging regulation and policy information in this locality, send charging regulation and strategy request message to PCRF, comprise in this request message: source IP, purpose IP, source port, destination interface, IP protocol number (being Transmission Control Protocol here), application protocol type (being HTTP (HypertextTransfer Protocol) here), URL etc.;
Step 302:PCRF is according to business information, match this user and belong to Ev-Do Rev.A user, and be the HTTP business, find tactful A, with set up service conversation between the PDSN and be connected, issue the filter=HTTP business of this kind business and Mail business, strategy sign=tactful A, remaining quota=2G to PDSN;
Step 303: the user carries out the transfer of data of http and mail, the policy information of PDSN implementation strategy A, and record traffic flow, and the HTTP service traffics are 9M, and the Mail service traffics are 1M, and the service traffics under this filtering rule of this user add up to 10M;
Step 304: the user initiates the P2P business again, and PDSN less than charging regulation and policy information, sends charging regulation and strategy request message to PCRF in this locality coupling, carries information such as professional relevant five-tuple, application protocol type in the message;
Step 305:PCRF is according to business information, match this user and belong to Ev-Do Rev.A user, and be the P2P business, find tactful B, with set up service conversation between the PDSN and be connected, issue filter=P2P business, strategy sign=tactful B, remaining quota=1G of this kind business to PDSN;
Step 306: the user carries out the transfer of data of P2P, and the policy information of PDSN implementation strategy B, and record traffic flow, the flow of P2P are 0.5G;
Step 307: user offline, PDSN reports flow information to PCRF, and HTTP is professional to add up to 10M with the Mail service traffics, and the flow of P2P is 0.5G;
Step 308:PCRF calculates the residual flow quota, the remaining quota=2G-10M=2038M of HTTP business and Mail business, and the residual flow quota=1G-0.5G=0.5G of P2P business, PCRF preserves this user's relevant information, and returns acknowledge message to PDSN;
Step 309:PDSN sends charging message to aaa server, discharges the user then;
Step 310: after the user reaches the standard grade next time, the professional beginning of P2P, PDSN less than charging regulation and policy information, sends charging regulation and strategy request message to PCRF in this locality coupling, carries the P2P service related information;
Step 311:PCRF matches user's charging regulation and policy information according to business information, and sets up service conversation between the PDSN and is connected, and issues filter=P2P business, strategy sign=tactful B, remaining quota=0.5G of this kind business to PDSN;
Step 312: the user carries out the transfer of data of P2P.
Please refer to Fig. 4, be the application example business process map under special circumstances of method of the present invention, described special circumstances are meant that service traffics have surpassed the flow quota, and the user bought extra quota, specifically comprise the steps:
Step 401:PDSN finds that user P2P service traffics have surpassed quota in the implementation strategy information process;
Step 402:PDSN sends the policy update request message to PCRF, carries the rule of P2P business, and flow=0.5G of P2P;
Step 403:PCRF calculates remaining quota, the professional residual flow quota of P2P is=0.5G-0.5G=0G, PCRF preserves the relevant information that this user should business, and sends policy update message to PDSN: professional filter=P2P business, strategy sign=tactful B, remaining quota=0G;
Step 404:PDSN sends charging message to AAA;
Step 405:PDSN continues the P2P business, and to less than 16/8Kbps, add up service traffics simultaneously again: the P2P service traffics are accumulated to 0.1G to the rate limit of P2P business.
Step 501: the user has additionally bought the P2P flow quota of 1G, PCRF detects this user's business and uses, and issues filter=P2P business, strategy sign=tactful B, the remaining quota=0G+1G of new Policy Info: business to PDSN by the push mode;
After step 502:PDSN receives push message, send charging message, carry excess traffic 0.1G in the message to aaa server;
Step 503:PDSN continues the transfer of data of P2P business, carries out new policy information, and rate limit is below the 64/32Kbps, and adds up P2P service traffics=0.4G again;
Step 504: user offline, PDSN reports flow information to PCRF, and the flow of P2P is 0.4G;
Step 505:PCRF calculates residual flow quota 1G-0.4G=0.6G, and the flow quota of P2P business is=0+0.6G that PCRF preserves this user's relevant information, and returns acknowledge message to PDSN;
Step 506:PDSN sends charging message to aaa server, discharges the user then.
After the new time cycle begins, PCRF recovers the flow quota again, reverts to 2G for the professional flow quota with the Mail business of this user's HTTP, for the P2P business, because this user extra quota of buying in the last time cycle does not use, so its flow quota is 1G+0.6G.
In sum, method of the present invention has solved the problem that present single charging policy ran into, can effectively guarantee the use Internet resources of each packet network user fairness, prevent the business of unconfined some the big flows of use of user and cause network blockage, reach the purpose of reasonable distribution packet network bandwidth resources, further can also realize the load balance of Internet resources.On the basis of this technical scheme, at miscellaneous service, can also expand various policy informations, such as more service quality (Quality of Service, Qos) strategy etc. are provided.
Claims (11)
1. the service implementation method of an equal user tactics is characterized in that, comprises the steps:
A, user insert access server, and finish access authentication to authentication, mandate and charging aaa server;
B, access server receive user's Packet data service request, according to Packet data service request message coupling charging regulation and policy information, if the match is successful, enter step D; Otherwise, send charging regulation and strategy request to strategy and charging regulation server PCRF; Wherein, described charging regulation is the corresponding relation of user type and type of service and charging policy, and described policy information is the corresponding relation of charging policy and strategy cycle, flow quota and assigned rate;
C, PCRF server send charging regulation and policy response to access server, issue corresponding charging regulation and policy information;
D, user carry out the transmission of business datum, and access network is carried out this professional policy information, and this professional data traffic is added up;
Behind E, the user offline, access server sends end to PCRF, and this end comprises the current cumulative data flow of customer service;
After F, PCRF server receive end, calculate and preserve the residual flow quota of this customer service, and return acknowledge message to access server;
After G, access server receive the confirmation message, send charging message, and discharge the user to aaa server.
2. the method for claim 1 is characterized in that:
Among the step B, access server mates charging regulation and policy information according to source IP, purpose IP, source port, destination interface, IP protocol type and the application protocol type information of Packet data service request message.
3. the method for claim 1 is characterized in that:
Among the step C, the policy information that PCRF issues to access server comprises residual flow quota and tactful identification number.
4. the method for claim 1 is characterized in that, also comprises among the step C:
Set up the customer service session connection between access server and the PCRF server, after charging regulation or policy information changed, the PCRF server directly issued the charging regulation and the policy information of each session and gives access server.
5. the method for claim 1 is characterized in that:
Among the step D, implementation strategy information be access server in the access network.
6. the method for claim 1 is characterized in that:
Among the step D, implementation strategy information be base station, base station controller, group control of functional node or packet data serving node in the access network.
7. the method for claim 1 is characterized in that, step D specifically comprises:
Access network compares current cumulative data flow and flow quota, if current cumulative data flow is less than the flow quota, then carry out transfer of data according to the assigned rate before exceeding the quata, if current cumulative data flow then carries out transfer of data according to the assigned rate after exceeding the quata greater than the flow quota;
Access network compares data speed and assigned rate, if data rate surpasses assigned rate, then abandons the data message that this surpasses assigned rate.
8. method as claimed in claim 7 is characterized in that, also comprises among the step D:
During greater than the flow quota, access server sends the policy update request message to PCRF at current cumulative data flow, sends charging message to aaa server, carries current cumulative data flow and rate in this charging message; After PCRF receives the policy update request message, the residual flow quota is updated to 0; Access server restarts integrated flow information.
9. method as claimed in claim 7 is characterized in that, also comprises among the step D:
When all data services of access server carrying surpassed its access capability, access server limited all user service flow amounts.
10. the method for claim 1 is characterized in that, also comprises:
After the user had bought Ex quota, PCRF upgraded corresponding flow quota.
11. method as claimed in claim 10 is characterized in that:
When described Ex quota corresponding service was online, PCRF also directly was issued to access server with policy information.
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2007
- 2007-09-18 CN CNB2007101219552A patent/CN100544266C/en not_active Expired - Fee Related
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