CN103684844A - A control method for PCC rule switching and a system thereof - Google Patents
A control method for PCC rule switching and a system thereof Download PDFInfo
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Abstract
The invention discloses a control method for (policy and charging control) PCC rule switching and a system thereof, and relates to the field of communication. The method comprises the following steps: A policy and charging rule entity PCRF sends a GX message. The GX message comprises a PCC rule, a rule activation time of the PCC rule, a rule deactivation time and a rule repetition period. A packet data network gateway (PGW) receive the Gx message, and executes the PCC rule repeatedly according to the rule activation time, the rule deactivation time and rule repetition period of the PCC rule. According to the method and the system, phenomenon that at transition time points from busy time to idle time, the PCRF sends the Gx message repeatedly, which leads to outburst of the Gx messages, are avoided, and signaling loads of the PGW and the PRCF are reduced.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of PCC(POLICY AND CHARGING CONTROL, policy and charging control) control method and the system of changing rules.
Background technology
In the PCC of 3GPP framework, as shown in Figure 1, core network element PGW(PACKET DATA NETWORK GATEWAY, packet data network gateway) with PCRF(POLICY AND CHARGING RULE FUNCTION, strategy and charging regulation entity) by Gx interactive interfacing, set up IP-CAN(IP CONNECTIVITY ACCESS NETWORK, IP connects Access Network) session, implementation strategy is controlled, in PGW and PCRF, and IP-CAN session of Session ID unique identification.
Particularly, as shown in Figure 2, when user adheres to or PDN(PACKET DATA NETWORK, Packet Data Network) connect while setting up, PGW is by CCR-I(Credit Control Request-Initial, credit control request-initial) message request PCRF carries out the PCC mandate of session establishment, PCRF sends ULR(Update location request, position updating request) from SPR(Subscription Profile Repository, user property memory) obtain after user's subscription data, implementation strategy decision-making, session and rule are carried out to Qos mandate, and the list of thing information exchange PCC after authorizing is regular and that need to subscribe to is crossed CCA(Credit contorl Answer, Credit Control Answer) message sends to PGW.
As shown in Figure 3, in session keep-process, PCRF can pass through RAR(Re-Auth-Request, again authorized application) message is carried out the mandate again of PCC rule, or upgrade reported event list, and PGW is by RAA(Re-Authe-Answer, again authorization response) message responds.
As shown in Figure 4, user's attachment removal or PDN connect while deleting, and PGW carries out the release of session association resource by CCR-T message request PCRF, and PCRF removes after related resource, responds CCA.If last session that this session is user, PCRF sends PUR(Purge UE Request to SPR, removes user terminal requests) request cancels subscription data, SPR, by PUA(Purge UE Request, removes UE and replys) message responds.
Wherein, the form of CCA message that PCRF is handed down to PGW is generally as shown in table 1 below:
Table 1CCA message examples
PCRF is handed down to the form of RAR message of PGW generally as shown in table 2 below:
Table 2RAR message examples
In above-mentioned CCA message and RAR message, all there is the control routine of the PCC changing rules shown in following table 3:
The control routine example of table 3PCC changing rules
For each PCC rule, by regular activationary time Rule-Activation-Time and regular deexcitation time Rule-Deactivation-Time, defined the regular applicable time period.For example: busy adopts a Qos avoid congestion; Idle adopts another Qos to improve user awareness.In user's access, PCRF is handed down to PGW by above-mentioned two PCC rules (comprising the time period), and PGW completes the control of Qos according to two PCC rules that receive.
According to relevant regulations, what Rule-Activation-Time and Rule-Deactivation-Time adopted is the number of seconds from 0 beginning of 1900.1.1 day, is therefore an absolute time.
Above-mentioned two the PCC rules of still take are example, and PCRF generally has two kinds of processing modes:
1, issue 1 rule should using at present at every turn, such as the access of user's busy, issue the rule of busy, Rule-Deactivation-Time fills in the time point of busy period conversion; After arriving this time point, then issue idle rule, Rule-Deactivation-Time fills in the time point of not busy busy conversion.
2, issue a plurality of rules: 1 rule should using at present, next 1 rule of time period are, 1 rule of next but one time period at every turn, etc., such as the access of user's busy, issue the rule of busy, Rule-Deactivation-Time fills in the time point of busy period conversion; Issue idle rule, Rule-Activation-Time fills in the time point of busy conversion simultaneously; Rule-Deactivation-Time fills in the time point of not busy busy conversion.
In LTE system, UE(user equipment, user terminal) always online (such as 1 month or longer), two above-mentioned modes, all there is a problem, after the time point of PCC rule finishes, need PGW, PCRF to send Gx message (comprising CCA message and RAR message).In one day, there is the conversion in the do-> spare time of spare time-> as shown in table 4 below, when each conversion, need PCRF, PGW to send frequently Gx message.
Table 4 busy conversion table
| Idle: 0 point-8 point | Busy: 8 point-21 points | Idle: 21 point-24 points |
In above-mentioned the 2nd kind of mode, because each fuzzy rules sending is many, do not need the time point of each busy period conversion to send, but its controlling mechanism is complicated, and on long terms, the Gx message number of its transmission is still more.
At the time point of each busy period conversion, owing to there being a large amount of UE, therefore a large amount of PCC rules need to reconfigure like this, and the instantaneous Gx message bursts causing causes signaling to impact to PGW and PCRF.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: how to provide a kind of control method and system of PCC changing rules, to avoid occurring at the time point of busy period conversion the situation of Gx message bursts.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of control method of policy and charging control PCC changing rules, it comprises:
Strategy and charging regulation entity PCRF send Gx message, and described Gx message comprises: PCC rule, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period;
Packet data network gateway PGW receives described Gx message, repeats described PCC regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
Wherein, described Gx message comprises that described PCRF sends to all PCC rule of described PGW, and corresponding regular activationary time, regular deexcitation time and rule repetition period of PCC rule described in each.
Wherein, the described rule repetition period is 1 hour, 1 day or 1 week.
The present invention also provides a kind of control system of PCC changing rules, comprising: PCRF and PGW;
Described PCRF is used for sending Gx message, and described Gx message comprises: PCC rule, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period;
Described PGW is used for receiving described Gx message, repeats described PCC regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
Wherein, described Gx message comprises that described PCRF sends to all PCC rule of described PGW, and corresponding regular activationary time, regular deexcitation time and rule repetition period of PCC rule described in each.
Wherein, the described rule repetition period is 1 hour, 1 day or 1 week.
(3) beneficial effect
Method and system described in the present embodiment, by adding the rule repetition period in the Gx message issuing at PCRF, can make PGW receive a Gx message, can in corresponding rule time of implementation section, repeat PCC rule according to the rule repetition period, thereby the problem of having avoided PCRF to repeat to send Gx message and cause occurring Gx message bursts at the time point of busy period conversion, has alleviated the signaling traffic load of PGW and PCRF.
Accompanying drawing explanation
Fig. 1 is PGW and the mutual schematic diagram of PCRF of prior art;
Fig. 2 is adhering to or PDN connects PGW and the mutual schematic diagram of PCRF while setting up as user of prior art;
Fig. 3 is PGW and the mutual schematic diagram of PCRF in the session keep-process of prior art;
Fig. 4 is PGW and the mutual schematic diagram of PCRF when user's attachment removal or PDN connection deletion of prior art;
Fig. 5 is the control method flow chart of the PCC changing rules described in the embodiment of the present invention 1.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
The situation that occurs Gx message bursts for fear of the time point in busy period conversion, the present embodiment 1 provides a kind of control method of PCC changing rules, and as shown in Figure 5, described method comprises:
510:PCRF sends Gx message, and described Gx message comprises: PCC rule, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
Wherein, described Gx message can be CCA message or RAR message etc.Described regular activationary time Rule-Activation-Time, and described regular deexcitation time Rule-Deactivation-Time, for defining the time of implementation of described PCC rule, it is all absolute times.Described rule repetition period Repetition-Time can be 1 hour, 1 day, 1 week etc., is preferably 1 in the present embodiment.
520:PGW receives described Gx message, repeats described PCC regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
Particularly, described PGW extracts described PCC rule after receiving described Gx message from described Gx message, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period, and it is regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period, to repeat described PCC.Its concrete executive mode is: in time interval [Rule-Activation-Time+n * Repetition-Time, Rule-Deactivation-Time+n * Repetition-Time], all carry out described PCC rule, wherein, n is natural number.
Suppose the 10:00 access PGW of user 2013-5-10, and busy period regulation as table 4 in background technology, in the Gx message that PCRF issues, can comprise as two PCC rules in table 5 below.
Table 5PCC Sample Rules
When PGW receives this Gx message that PCRF issues, its by May 10th, 2013 21:00 user's way to manage is switched to idle way to manage by busy way to manage, on May 11st, 2013,8:00 switched to busy way to manage by user's way to manage by idle way to manage, on May 11st, 2013,21:00 switched to idle way to manage by user's way to manage by busy way to manage, on May 12nd, 2013,8:00 switched to busy way to manage by user's way to manage by idle way to manage .... by that analogy, take and repeat this two PCC rules as the cycle in 24 hours.
Method described in the present embodiment, by adding the rule repetition period in the Gx message issuing at PCRF, can make PGW receive a Gx message, can in corresponding rule time of implementation section, repeat PCC rule according to the rule repetition period, thereby the problem of having avoided PCRF to repeat to send Gx message and cause occurring Gx message bursts at the time point of busy period conversion, has alleviated the signaling traffic load of PGW and PCRF.
Embodiment 2
The present embodiment 2 is described based on embodiment 1, in order further to reduce the quantity that described PCRF issues Gx message, in the present embodiment, described Gx message comprises that described PCRF sends to all PCC rules of described PGW, and corresponding regular activationary time, regular deexcitation time and rule repetition period of PCC rule described in each.Like this, described PCRF only need send once described Gx message, and described PGW can obtain all required PCC rule, and repeats according to the repetition period, is more conducive to avoid occurring the situation of Gx message bursts.
Embodiment 3
The present embodiment provides a kind of control system of PCC changing rules, comprises PCRF and PGW.
Described PCRF is used for sending Gx message, and described Gx message comprises: PCC rule, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.The described rule repetition period is 1 hour, 1 day or 1 week.
Described PGW is used for receiving described Gx message, repeats described PCC regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
System described in the present embodiment, PCRF adds the rule repetition period in the Gx message issuing, can make PGW receive a Gx message, can in corresponding rule time of implementation section, repeat PCC rule according to the rule repetition period, thereby the problem of having avoided PCRF to repeat to send Gx message and cause occurring Gx message bursts at the time point of busy period conversion, has alleviated the signaling traffic load of PGW and PCRF.
Embodiment 4
The present embodiment is described based on embodiment 3, in order further to reduce the quantity that described PCRF issues Gx message, in the present embodiment, described Gx message comprises that described PCRF sends to all PCC rules of described PGW, and corresponding regular activationary time, regular deexcitation time and rule repetition period of PCC rule described in each.Like this, described PCRF only need send once described Gx message, and described PGW can obtain all required PCC rule, and repeats according to the repetition period, is more conducive to avoid occurring the situation of Gx message bursts.
The control method of PCC changing rules and system described in the embodiment of the present invention, by adding the rule repetition period in the Gx message issuing at PCRF, can make PGW receive a Gx message, can in corresponding rule time of implementation section, repeat PCC rule according to the rule repetition period, thereby avoided the problem that repeats to send Gx message and cause occurring Gx message bursts at the time point PCRF of busy period conversion, alleviated the signaling traffic load of PGW and PCRF.
Above execution mode is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (6)
1. a control method for policy and charging control PCC changing rules, is characterized in that, comprising:
Strategy and charging regulation entity PCRF send Gx message, and described Gx message comprises: PCC rule, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period;
Packet data network gateway PGW receives described Gx message, repeats described PCC regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
2. the method for claim 1, is characterized in that, described Gx message comprises that described PCRF sends to all PCC rule of described PGW, and corresponding regular activationary time, regular deexcitation time and rule repetition period of PCC rule described in each.
3. the method for claim 1, is characterized in that, the described rule repetition period is 1 hour, 1 day or 1 week.
4. a control system for PCC changing rules, is characterized in that, comprising: PCRF and PGW;
Described PCRF is used for sending Gx message, and described Gx message comprises: PCC rule, and the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period;
Described PGW is used for receiving described Gx message, repeats described PCC regular according to the regular activationary time of described PCC rule, regular deexcitation time and rule repetition period.
5. system as claimed in claim 4, is characterized in that, described Gx message comprises that described PCRF sends to all PCC rule of described PGW, and corresponding regular activationary time, regular deexcitation time and rule repetition period of PCC rule described in each.
6. system as claimed in claim 4, is characterized in that, the described rule repetition period is 1 hour, 1 day or 1 week.
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| CN104053139A (en) * | 2014-04-28 | 2014-09-17 | 大唐移动通信设备有限公司 | Method and device for processing policy control and charging information |
| CN104410526A (en) * | 2014-11-28 | 2015-03-11 | 华为技术有限公司 | Call control method, Diameter protocol forwarding equipment and system |
| WO2017143593A1 (en) | 2016-02-26 | 2017-08-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for policy handling |
| WO2019136704A1 (en) * | 2018-01-12 | 2019-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Sx AND N4 PROTOCOL EXTENSION TO SUPPORT TIME OF DAY (ToD) |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104053139A (en) * | 2014-04-28 | 2014-09-17 | 大唐移动通信设备有限公司 | Method and device for processing policy control and charging information |
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| WO2019136704A1 (en) * | 2018-01-12 | 2019-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Sx AND N4 PROTOCOL EXTENSION TO SUPPORT TIME OF DAY (ToD) |
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Application publication date: 20140326 |