WO2017092442A1 - 策略和计费控制快速调整方法、装置及系统 - Google Patents

策略和计费控制快速调整方法、装置及系统 Download PDF

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Publication number
WO2017092442A1
WO2017092442A1 PCT/CN2016/097236 CN2016097236W WO2017092442A1 WO 2017092442 A1 WO2017092442 A1 WO 2017092442A1 CN 2016097236 W CN2016097236 W CN 2016097236W WO 2017092442 A1 WO2017092442 A1 WO 2017092442A1
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Prior art keywords
pcc rule
quota
service
exhausted
pcef
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PCT/CN2016/097236
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English (en)
French (fr)
Inventor
吴中华
周晓云
孙闵
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中兴通讯股份有限公司
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Publication of WO2017092442A1 publication Critical patent/WO2017092442A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/20—Traffic policing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, device, and system for quickly adjusting policy and charging control.
  • Policy and Charging Control Policy and Charging Control used in the Local Breakout roaming scenario currently defined by the 3rd Generation Partnership Project (3GPP) Wireless Communication Standards Organization
  • 3GPP 3rd Generation Partnership Project
  • PCC architecture Release 8 version is shown in Figure 1.
  • the Policy and Charging Rules Function is responsible for formulating policy and charging rules (Policy and Charging Rules, PCC rules) and sending them to the policy control and accounting enforcement function entity. (Policy and Control Enforcement Function, PCEF for short) is executed.
  • Policy and Control Enforcement Function Policy and Control Enforcement Function, PCEF for short
  • BBERF Bearer Binding and Event Reporting Function
  • QoS Rule Quality of Service Rule
  • the PCRF can also subscribe to PCEF or BBERF for related events carrying the network.
  • the basis for formulating the policy and charging rules by the PCRF includes: obtaining information related to the service from the Application Function (AF); and obtaining the User Policy and Charging Control from the Subscription Profile Repository (SPR). Signing information; obtaining information related to the bearer network from BBERF or PCEF.
  • the Policy and Charging Enforcement Function Entity is usually located in the Gateway (Gate Way, GW for short) and performs the PCC rules defined by the PCRF on the bearer plane.
  • the PCEF detects the service data flow according to the service data flow filter in the PCC rule, and then performs the operation parameters such as the gating, QoS control, charging control, and usage monitoring specified by the PCC rule for the service data flow.
  • the gating parameter determines whether the service flow matched by the PCC rule can be transmitted through the GW.
  • the QoS control parameter determines the maximum limit bandwidth of the service flow matched by the PCC rule (Maximum Bit Rate, referred to as MBR), Guaranteed Bit Rate (GBR), and QoS Class Identifier (QCI).
  • MBR Maximum Bit Rate
  • GRR Guaranteed Bit Rate
  • QCI QoS Class Identifier
  • the charging control parameters of the PCC rule include a Service-Identifier (SI), a Rate-Group (RG), and the like.
  • the PCEF requests credit control for the matched traffic flow to the online charging system (Online Charging System, OCS for short) according to the charging control parameters indicated by the PCC rule, or outputs the message to the offline charging system (Offline Charging System, referred to as OFCS). single.
  • the usage monitoring parameter of the PCC rule includes a usage monitoring key (Monitoring-Key), and the PCRF also sets a usage monitoring threshold for each usage monitoring key and transmits it to the PCEF.
  • the PCEF needs to report the accumulated amount on the usage monitoring key to the PCRF.
  • the PCC rules also contain priorities. If a service flow can match multiple PCC rules, the PCEF should control the service according to the PCC rule with the highest priority.
  • the bearer binding and event reporting function entity provides bearer binding, verification of uplink bearer binding, and event reporting.
  • the BBERF is located at the S-GW, and when the UE accesses through the trusted non-3GPP access system, the BBERF is located in the trusted non-
  • the 3GPP access gateway when the UE accesses through the untrusted non-3GPP access system, the BBERF is located in the Evolved Packet Data Gateway (ePDG). At this time, the PCEF no longer performs the bearer binding function.
  • the user's service data is routed to the destination via the gateway of the home network, and the BBERF and PCEF in the home network directly request the QoS rule and the PCC rule from the home network PCRF.
  • the user's service data can be directly routed to the destination through the gateway of the visited network, or routed back to the network by the visited network, and then transmitted to the destination by the gateway of the home network.
  • the former becomes the Local Breakout mode, and the latter is called the Home Routed mode.
  • the BBERF and PCEF located in the visited network need to request QoS rules and PCC rules from the PCRF (referred to as H-PCRF) of the home network via the PCRF of the visited network (referred to as V-PCRF).
  • H-PCRF the PCRF of the home network
  • V-PCRF the PCRF of the visited network
  • home routing mode because user business data is returned
  • the network gateway transmits to the destination, and the PCEF in the home network gateway directly requests the PCC rule from the H-PCRF. If the BBERF exists in the visited network in the home routing mode, the visited network BBERF also needs to request the QoS rule from the V-PCRF to the H-PCRF. .
  • the charging system collects the traffic as the charging traffic.
  • the PCEF reports traffic from the PCEF to the PCC rule 2 that receives the PCRF update
  • the PCEF still generates the CDR according to the PCC rule 1, resulting in the free traffic and PCRF statistics collected by the accounting system. Free traffic is inconsistent.
  • the PCC rules 1 report the free traffic accumulated by the PCC to the PCRF to delete the PCC rules and according to the PCC rule 2, the interval may be short.
  • the generated traffic statistics deviation is also considerable. For example, the interval is 100 milliseconds, the bandwidth is 10 megabytes per second, and the traffic statistics deviation can reach 1 megabyte.
  • the current PCC architecture allows for policy and billing control and usage monitoring of sponsored services, ie sponsors are encouraged to use certain services (eg, video advertisements) to pay a certain amount of traffic to the operator.
  • the AF provides service information to the PCRF, it can indicate the sponsor identification of the service and how much traffic is sponsored.
  • the PCC rule constructed by the PCRF indicates that the PCEF generates a free CDR. After the sponsored traffic is exhausted, the PCRF revokes the PCC rule. At this time, the related service can match the lower priority general service PCC rule and output the general service. Charge bills.
  • the implementation process of the prior art is as shown in FIG. 2, and includes the following steps:
  • Step 201 The user accesses the visited network gateway, and the PCEF in the visited network gateway requests policy control from the V-PCRF.
  • Step 202 The V-PCRF requests policy control from the H-PCRF.
  • Step 203 The H-PCRF determines to install a low-priority general-purpose service PCC rule for the user session according to the user's subscription information and the policy configuration of the SPR, and the H-PCRF sends the generated PCC rule to the V-PCRF.
  • Step 204 The V-PCRF sends the general service PCC rule to the PCEF.
  • Step 205 The user accesses a specific service (e.g., video advertisement) of the home network, and the application server acts as an H-AF, providing the H-PCRF with service information and related sponsorship information, such as sponsor identification and how much traffic is sponsored.
  • a specific service e.g., video advertisement
  • the application server acts as an H-AF, providing the H-PCRF with service information and related sponsorship information, such as sponsor identification and how much traffic is sponsored.
  • Step 206 The H-PCRF confirms receipt of the service information to the H-AF.
  • Step 207 The H-PCRF generates a high-priority PCC rule for the sponsored service, and sends it to the V-PCRF, and indicates that the usage monitoring is started.
  • the usage monitoring threshold value is equal to the sponsored traffic provided by the H-AF.
  • Step 208 The V-PCRF passes the sponsored service PCC rules and related usage monitoring information to the PCEF.
  • Step 209. The PCEF installs the sponsored service PCC rule, and confirms that the rule installation is successful to the V-PCRF.
  • Step 210 The V-PCRF confirms that the rule installation is successful to the H-PCRF.
  • Step 211 The user uses the sponsored service, and the PCEF monitors the sponsored service traffic. After the monitoring threshold is reached, the PCEF reports that the sponsored service has used the traffic to the V-PCRF.
  • Step 212 The V-PCRF reports that the sponsored service has used traffic to the H-PCRF.
  • Step 213. The H-PCRF confirms receipt of the reported traffic to the V-PCRF.
  • Step 214 The V-PCRF confirms receipt of the reported traffic to the PCEF.
  • Step 215. The H-PCRF reports the sponsored service traffic to the H-AF.
  • Step 216 The H-AF confirms receipt of the sponsored service traffic.
  • Step 217 Since the sponsorship traffic quota is exhausted, the H-AF instructs the H-PCRF to delete the praise. Help with business related information.
  • Step 218 The H-PCRF confirms to the AF that the sponsored service related information is deleted.
  • Step 219. The H-PCRF instructs the V-PCRF to delete the sponsored service PCC rule.
  • Step 220 The V-PCRF instructs the PCEF to delete the sponsored service PCC rule.
  • Step 221. The PCEF confirms to the V-PCRF that the sponsored service PCC rule is successfully deleted.
  • step 211 the sponsored service traffic quota is exhausted, but after the PCEF deletes the sponsored service PCC rule in step 220, the PCEF can match the related service to the low priority common service PCC rule, during which PCEF The CDRs are still output according to the charging parameters specified in the sponsored service PCC rules, resulting in inconsistent sponsored service traffic of the AF/PCRF statistics and sponsored service traffic of the charging system.
  • the sponsored service traffic reported by the PCEF is transmitted to the H-AF via the V-PCRF and the H-PCRF, the H-AF triggers the H-PCRF and the V-PCRF to delete the sponsored service PCC rule from the PCEF.
  • the interval between the sponsored service traffic reporting and the sponsoring service PCC rule deletion is longer, resulting in a larger deviation of the sponsored service traffic between the AF/PCRF and the billing system.
  • the main purpose of the present invention is to provide a method, a device and a system for quickly adjusting the policy and the charging control, and aim to solve the problem that the traffic statistics of the specific service are inconsistent between the AF/PCRF and the charging system existing in the prior art.
  • the embodiment of the present invention provides a method for quickly adjusting a policy and a charging control rule, including:
  • the policy control and charging rule function entity PCRF allocates the service usage quota to the policy control and charging execution function entity PCEF in a one-time or fractional manner, and constructs a policy and charging control PCC for this service.
  • the rule and the set usage monitoring threshold are delivered to the PCEF.
  • the PCRF adds an "PCC rule quota exhaustion action" indication to the PCC rule when the one-time allocation or the last service usage quota allocation operation is performed;
  • the PCEF After receiving the PCC rule indicating that the PCC rule quota is exhausted, the PCEF automatically presses the action after the PCC rule quota is exhausted after monitoring the service usage of the PCC rule to reach the preset threshold. "Instructed to operate.
  • the “action after the PCC rule quota is exhausted” is specifically: the PCC rule automatically expires after the quota is exhausted; correspondingly, the method for automatically performing the automatic failure indication after the PCC rule quota is exhausted is: After that, the PCEF automatically invalidates the PCC rule carrying the indication, and matches the service adapted by the PCC rule to other low-priority PCC rules, and outputs the charging key according to the low-priority PCC rule.
  • the action of the “PCC rule quota exhaustion” is specifically: the gate control is closed after the PCC rule quota is exhausted; correspondingly, the method of automatically pressing the PCC rule quota exhaustion after the gate closure indication operation is: after the quota is exhausted The PCEF automatically turns off the gating of the PCC rule carrying the indication;
  • the action after the PCC rule quota is exhausted is specifically: the PCC rule quota is exhausted and redirected; correspondingly, the method of automatically performing the redirect instruction after the PCC rule quota is exhausted is: after the quota is exhausted
  • the PCEF automatically redirects the service adapted by the PCC rule carrying the indication, and determines whether to cancel the redirect according to the information received on the redirect page.
  • the “action after the PCC rule quota is exhausted” is specifically: the IP-CAN session is ended after the PCC rule quota is exhausted; correspondingly, the method of automatically ending the IP-CAN session indication after the PCC rule quota is exhausted is : After the quota is exhausted, the PCEF automatically ends the IP-CAN session of the service to which the PCC rule carrying the indication is adapted.
  • the usage monitoring is specifically: traffic monitoring or time monitoring.
  • the method further includes: the AF provides the service information for the PCRF, and if the current AF allocates the entire service quota or the last service quota to the PCRF, the service information is added to the service information. "Action after the PCC rule quota is exhausted" indication.
  • the present invention also provides a policy and charging control rule that is fast
  • the adjustment method is applied to the PCRF, including the steps:
  • the service consumption quota is allocated to the PCEF in a one-time or one-time allocation manner, and a PCC rule is configured to be sent to the PCEF for the service in the initial allocation, and the usage monitoring is started.
  • the "PCC rule quota exhaustion action" indication is added to the PCC rule.
  • the embodiment of the present invention further provides a method for rapidly adjusting a policy and a charging control rule, which is applied to a PCEF, including:
  • the PCC rule If the PCC rule contains the "PCC rule quota exhaustion action" indication, the PCC rule automatically performs the operation according to the indication.
  • the “action after the PCC rule quota is exhausted” is specifically: the PCC rule automatically expires after the quota is exhausted; correspondingly, the method for automatically performing the automatic failure indication after the PCC rule quota is exhausted is: After that, the PCEF automatically invalidates the PCC rule carrying the indication, and matches the service adapted by the PCC rule to other low-priority PCC rules, and outputs the charging key according to the low-priority PCC rule.
  • the action of the “PCC rule quota exhaustion” is specifically: the gate control is closed after the PCC rule quota is exhausted; correspondingly, the method of automatically pressing the PCC rule quota exhaustion after the gate closure indication operation is: after the quota is exhausted The PCEF automatically turns off the gating of the PCC rule carrying the indication;
  • the action after the PCC rule quota is exhausted is specifically: the PCC rule quota is exhausted and redirected; correspondingly, the method of automatically performing the redirect instruction after the PCC rule quota is exhausted is: after the quota is exhausted
  • the PCEF automatically redirects the service adapted by the PCC rule carrying the indication, and determines whether to cancel the re-determination according to the information received on the redirect page. to.
  • the “action after the PCC rule quota is exhausted” is specifically: the IP-CAN session is ended after the PCC rule quota is exhausted; correspondingly, the method of automatically ending the IP-CAN session indication after the PCC rule quota is exhausted is : After the quota is exhausted, the PCEF automatically ends the IP-CAN session of the service to which the PCC rule carrying the indication is adapted.
  • the present invention further provides a device and a charging control rule rapid adjustment device, which is applied to a PCRF, and includes:
  • a PCC rule construction unit configured to monitor the current demanded service, construct a PCC rule for this service and deliver it to the PCEF;
  • a service usage allocation unit configured to allocate all service usage quotas to the PCEF for one or two times for the service
  • the action indication unit is configured to add a “PCC rule quota exhaustion action” indication to the PCC rule when all the service usage quotas are allocated to the PCEF or the last service usage quota is allocated.
  • the present invention further provides a device and a charging control rule rapid adjustment device, which is applied to a PCEF, and includes:
  • the rule installation unit is configured to install the PCC rules issued by the PCRF;
  • the service usage monitoring unit is configured to monitor the service usage adapted by the PCC rule
  • the action execution unit is set to automatically press the "PCC” if the PCC rule includes the "PCC rule quota exhaustion action” indication when the service usage amount of the PCC rule reaches a preset threshold.
  • the action after the rule quota is exhausted indicates the operation.
  • an embodiment of the present invention further provides a policy and charging control rule rapid adjustment system, including the PCRF and the PCEF as described above.
  • a storage medium is also provided.
  • the storage medium is arranged to store program code for performing the following steps:
  • the policy control and charging rule function entity PCRF allocates the service usage quota to the policy control and charging execution function entity PCEF in a one-time or fractional manner, and constructs a policy and charging control PCC for this service.
  • the rule and the set usage monitoring threshold are delivered to the PCEF.
  • the PCRF adds a “PCC rule quota exhaustion action” indication to the PCC rule; After receiving the PCC rule including the "Action after the PCC rule quota is exhausted", the PCEF automatically presses the "PCC rule quota exhaustion action” when it detects that the service usage of the PCC rule reaches the preset threshold. Indicates the operation.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the method further includes the following steps: the AF provides the service information to the PCRF, and if the current AF allocates the entire service quota or the last service quota to the PCRF, the PCC rule quota is added to the service information. "Exhausted action" indication.
  • the present invention has the following beneficial effects:
  • the PCEF when the current PCC rule quota is exhausted, the PCEF automatically takes the PCC rule quota exhaustion action to immediately invalidate the PCC rule, or causes the PCC rule to be closed, or redirects the service flow, or The action of re-accessing the IP-CAN session is solved.
  • the prior art PCEF still needs to charge according to the current PCC rule in a time slot before the current PCC rule quota is exhausted and the new PCC rule is acquired and installed. The problem of control ensures the consistency of the AF/PCRF and billing system for the usage statistics of the quota-adjusted rate.
  • FIG. 1 is a schematic diagram of a PCC architecture used in a local grooming roaming scenario defined in 3GPP;
  • FIG. 2 is a flowchart of a method for implementing a sponsored service provided by a user using a home network AF in a local grooming roaming mode in the prior art
  • FIG. 3 is a flowchart of a method for quickly adjusting a PCC rule according to the present invention
  • FIG. 4 is a flowchart of a method for rapidly adjusting a PCC rule in a non-roaming scenario according to Embodiment 1 of the present invention
  • FIG. 5 is a flowchart of a method for rapidly adjusting a PCC rule in a local grooming roaming scenario according to Embodiment 2 of the present invention
  • FIG. 6 is a structural diagram of a PCC rule rapid adjustment system according to Embodiment 4 of the present invention.
  • Step 301 For the service that needs to be monitored by the current usage, the PCRF constructs a PCC rule and sets a usage monitoring threshold for the service, and delivers the threshold to the PCEF.
  • Step 302 The PCRF allocates a service usage quota to the PCEF in a one-time or fractional manner
  • Step 303 When performing the one-time allocation or the last service usage quota allocation operation, the PCRF adds a “PCC rule quota exhaustion action” indication to the PCC rule.
  • Step 304 After receiving the PCC rule that includes the “Action after the PCC rule quota is exhausted”, the PCEF automatically presses the “PCC rule quota consumption” when monitoring the service usage of the PCC rule to reach the preset threshold. Follow the instructions to proceed.
  • the present invention optionally adds a “PCC rule quota exhaustion action” indication in the content of the PCC rule.
  • the PCC rule After the PCC rule quota is exhausted, the PCC rule automatically expires after the quota is exhausted. After the quota is exhausted, the PCEF automatically invalidates the PCC rule.
  • the PCC rule is adapted to the service. Other low priority PCC rules will be matched and the bills will be output according to the billing keys specified by the low priority PCC rules.
  • the action of "PCC rule quota exhaustion” may also be “the PCC rule quota is exhausted and the gate is closed". After the PCC rule carrying this action is exhausted, the PCEF automatically makes the PCC rule The gate is closed so that the user cannot continue to use the service to which the PCC rules are adapted.
  • the "PCC rule quota exhaustion action” can also be "PCC rule quota exhaustion after redirection”. After the PCC rule carrying this action is exhausted, the PCEF automatically redirects the service to which the PCC rule is adapted. In this way, the user can select whether to continue using the service on the redirect page, and then the PCRF decides whether to cancel the redirect according to the user selection.
  • the "PCC rule quota exhaustion action” may also be "end the IP-CAN session after the PCC rule quota is exhausted", so that the user re-accesses, so that the PCEF re-requests the PCC rule to the PCRF after the user re-accesses.
  • the PCRF constructs the service PCC rule and sets the usage monitoring threshold
  • the PCRF sets the usage monitoring threshold according to the final quota size, and carries the "PCC rule" in the service PCC rule. "Action after the quota is exhausted” indication.
  • the PCEF automatically performs the operation after the PCC rule quota is exhausted after the service amount of the PCC rule reaches the threshold given by the PCRF.
  • the present invention may also optionally add an indication of “the action after the sponsored service quota is exhausted”. If the AF is found to be the last sponsored service quota when the user provides the sponsored service information to the PCRF, the AF will also include this indication when providing the last sponsored service quota, so that the PCRF can determine the sponsored service PCC accordingly.
  • the rule carries the action after the PCC rule quota is exhausted.
  • the PCRF manages the service usage quota in the non-roaming scenario and adjusts the charging control policy after the usage quota is exhausted.
  • the method for rapidly adjusting the PCC rule includes the following steps:
  • Step 401 The user goes online on the home network, and the PCEF in the home network gateway requests policy control from the home network PCRF.
  • Step 402. The PCRF analyzes that the user has 200 MB of HTTP free traffic quota remaining, and determines to first issue the 100 MB quota.
  • Step 403. The PCRF sends a high priority HTTP service free PCC rule 1 and a low priority general service charge PCC rule 2, and sets a 100 MB traffic monitoring threshold for the PCC rule 1.
  • PCEF installs PCC Rule 1 and PCC Rule 2.
  • the HTTP service matches PCC Rule 1 and monitors traffic, and other services match PCC Rule 2.
  • Step 405. When the HTTP service traffic monitored by the PCC rule 1 reaches 100 MB, the PCEF reports the traffic.
  • Step 406 The PCRF receives the reported traffic, and finds that only 100 MB of free traffic quota is left for the HTTP service, and the PCRF completely allocates the last 100 MB quota.
  • the PCRF sets a 100 MB traffic monitoring threshold for PCC rule 1, and includes an indication of "automatic failure after the PCC rule quota is exhausted" in PCC rule 1.
  • Step 407. The PCRF sends the PCC rule 1 including the "automatic failure after the PCC rule quota is exhausted" indication and the 100 MB traffic monitoring threshold set for the PCC rule 1 to the PCEF.
  • Step 408 The HTTP service used by the user continues to match the PCC rule 1 and monitors the traffic. After reaching 100 MB, the PCEF automatically disables the PCC rule 1. At this time, the HTTP service matches the PCC rule 2, and the charging control parameter specified by the PCC rule 2 is applied to the OCS. Request credit control or output a bill to OFCS.
  • Step 409 Because the PCC rule 1 reaches the 100 MB traffic monitoring threshold, the PCEF reports the traffic.
  • Step 410 The PCRF acknowledges receipt of the traffic report to the PCEF, and instructs the PCEF to delete the PCC rule 1.
  • the PCEF can automatically switch the PCC rules after the free quota of the HTTP service is exhausted, which ensures the consistency of the free quota statistics of the HTTP service by the AF/PCRF and the charging system.
  • the PCEF may also deactivate the PCC rule 1 when the traffic reaches the upper limit in step 308.
  • the PCC rule 1 is deactivated.
  • the PCRF does not need to issue an instruction to delete the PCC rule 1.
  • step 406 when the PCRF is set to the PCC rule 1 and then set the 100 MB traffic monitoring threshold, the PCRF may also carry other action indications, such as carrying (1) "PCC rule quota exhaustion redirection" indication,
  • step 408 after the traffic reaches 100 MB, the PCEF redirects the corresponding data packet to a server, and the server performs related processing.
  • the address of the server may be configured on the PCEF or sent by the PCRF along with the usage quota; (2) the indication that the PCC rule quota is exhausted and the gate is closed.
  • step 408 when the traffic reaches 100 MB, the PCEF will block the corresponding After the packet passes, the user will not be able to continue accessing the service.
  • step 408 when the traffic reaches 100 MB, the PCEF causes the IP-CAN session to go offline, and then the PCEF requests the PCRF for the re-established IP-CAN session. New PCC rules.
  • the fast adjustment method of the PCC rule includes the following steps:
  • Step 501 The user accesses the visited network gateway, and the PCEF in the visited network gateway requests policy control from the V-PCRF.
  • Step 502. The V-PCRF requests policy control from the H-PCRF.
  • Step 503. The H-PCRF determines to install a low-priority general-purpose service PCC rule for the user session according to the user's subscription information and the policy configuration of the SPR, and the H-PCRF sends the generated PCC rule to the V-PCRF.
  • Step 504. The V-PCRF sends the general service PCC rule to the PCEF.
  • Step 505. The user accesses a specific service of the home network (for example, a video advertisement), and the application server acts as an H-AF, and provides the H-PCRF with service information and related sponsorship information, such as a sponsor. Identify and sponsor how much traffic. Because the AF delivers all the sponsored traffic quotas to the PCRF at one time, the AF also provides the "Automatically expired after the sponsored service quota is exhausted" indication to the PCRF.
  • a specific service of the home network for example, a video advertisement
  • the application server acts as an H-AF, and provides the H-PCRF with service information and related sponsorship information, such as a sponsor. Identify and sponsor how much traffic. Because the AF delivers all the sponsored traffic quotas to the PCRF at one time, the AF also provides the "Automatically expired after the sponsored service quota is exhausted" indication to the PCRF.
  • Step 506. The H-PCRF confirms receipt of the service information to the H-AF.
  • the H-PCRF generates a high-priority PCC rule for the sponsored service, and sends it to the V-PCRF, and indicates that the usage monitoring is started.
  • the usage monitoring threshold value is equal to the sponsored traffic provided by the H-AF because the AF provides
  • the sponsorship service information includes the "automatically expire after the sponsorship service quota is exhausted” indication, so the PCRF includes the "automatically expire after the PCC rule quota is exhausted” indication in the sponsored service PCC rule.
  • Step 508 The V-PCRF passes the sponsored service PCC rule and the related usage monitoring information to the PCEF, where the sponsoring service PCC rule includes an indication that “the PCC rule quota is automatically expired after the quota is exhausted”.
  • Step 509 The PCEF installs the sponsored service PCC rule, and confirms that the rule installation is successful to the V-PCRF.
  • Step 510 The V-PCRF confirms that the rule installation is successful to the H-PCRF.
  • Step 511 The user uses the sponsored service, and the PCEF monitors the sponsored service traffic. After the monitoring threshold is reached, the PCEF automatically invalidates the sponsored service PCC rule. At this time, the related service matches the low-priority general-purpose service PCC rule, which is stipulated by the general service PCC rule.
  • the charging control parameters request credit control from the OCS or output a bill to the OFCS.
  • Step 512 The PCEF reports the used traffic accumulated by the sponsored service PCC rule to the V-PCRF.
  • Step 513 The V-PCRF reports the used traffic accumulated by the sponsored service PCC rule to the H-PCRF.
  • Step 514 The H-PCRF confirms receipt of the reported traffic to the V-PCRF, and instructs to delete the sponsored service PCC rule.
  • Step 515 The V-PCRF confirms receipt of the reported traffic to the PCEF, and instructs to delete the sponsored service PCC rule.
  • Step 516 The H-PCRF reports the sponsored service traffic to the H-AF.
  • Step 517 The H-AF confirms receipt of the sponsored service traffic.
  • Step 518 Since the sponsored service traffic quota has been exhausted, the H-AF instructs the H-PCRF to delete the sponsored service related information.
  • Step 519 The H-PCRF confirms that the sponsored service information is deleted to the AF.
  • the PCEF can automatically switch the PCC rules after the sponsorship service quota is exhausted, which ensures the consistency of the AF/PCRF and the billing system for the sponsored service quota statistics.
  • step 505 when the AF sends the threshold, the AF may carry other action indications, such as carrying (1) "PCC rule quota exhaustion redirection” indication; (2) “PCC rule quota exhaustion back door Control off” indication; (3) "End of IP-CAN session after PCC rule quota is exhausted” indication.
  • the above indication can be carried when the H-PCRF can provide the last quota to the PCEF. When the traffic counted by the PCEF reaches the threshold, the corresponding action is performed.
  • the quota provided by the AF or PCRF refers to the traffic.
  • the above embodiment is also applicable to the usage monitoring of the quota for the time.
  • This example takes the sponsored service provided by the user using the home network AF in the home route roaming scenario as an example.
  • the PCEF in the home network gateway directly requests the PCC rule from the PCRF of the home network; and when the user is in the home network, the user's service data is transmitted through the home network.
  • the gateway routes to the destination, and the PCEF in the home network directly requests the PCC rule from the home network PCRF.
  • the PCC rules are obtained in the same way in the home route mode and the non-roaming mode.
  • the home network PCEF requests the home network PCRF.
  • the PCC rules can be adjusted in the same scenario. 4 is shown, so it is not described here.
  • a PCC rule rapid adjustment system including: a PCRF 610 and a PCEF 620.
  • the PCRF 610 includes:
  • the PCC rule construction unit 611 is configured to set the PCC rule for the service and set the usage monitoring threshold to the PCEF 620;
  • the service usage allocation unit 612 is configured to deliver all service usage quotas to the PCEF 620 in one time or in multiple times;
  • the action instructing unit 613 is configured to add a “PCC rule quota exhaustion action” indication to the PCC rule when the PCEF 620 delivers the entire service quota or the last time the service quota is delivered to the PCEF 620;
  • the action after the PCC rule quota is exhausted can be automatically invalidated after the PCC rule quota is exhausted, the gate is closed after the PCC rule quota is exhausted, the PCC rule quota is exhausted after the resource is exhausted, and the PCC rule quota is exhausted. After the end of the IP-CAN session.”
  • the PCC rule adjustment processing method on the PCRF 610 side includes:
  • the service usage quota is allocated to the PCEF in a one-time or one-time allocation manner, and a PCC rule is issued to the PCEF for the service at the initial allocation. And instruct to turn on usage monitoring;
  • the "PCC rule quota exhaustion action” indication is added to the PCC rule.
  • the "PCC rule quota exhaustion action” indication indicates that the PCEF indicates that the automatic execution of the action after the quota is exhausted, and is no longer required to be executed after multiple layers of reporting and receiving the deleted deletion instruction, thereby saving a large number of intermediate steps. .
  • the PCEF 620 includes:
  • the rule installation unit 621 is configured to install a PCC rule delivered by the PCRF;
  • the service usage monitoring unit 622 is configured to monitor the service usage adapted by the PCC rule
  • the action execution unit 623 sets the service usage to be adapted in the PCC rule.
  • the preset threshold is reached, if the PCC rule contains the “Action after the PCC rule quota is exhausted”, the operation is automatically performed according to the “PCC rule quota exhaustion action” instruction.
  • the PCC rule adjustment processing method on the PCEF 620 side includes the following steps:
  • the PCC rule has an indication that the service usage of the PCC rule has reached a preset threshold
  • the PCC rule carries the "PCC rule quota exhaustion action" indication
  • the operation is automatically performed according to the instruction, and the specific operation type may be :
  • the PCC rule expires automatically after the quota is exhausted. After the PCC rule quota is exhausted, the gate is closed, the PCC rule quota is exhausted, and the PCC rule quota is exhausted.
  • the IP-CAN session ends.
  • the above PCC rule rapid adjustment system can be applied to various scenarios, such as non-roaming scenarios, local grooming roaming scenarios, and home routing roaming scenarios. Of course, in each scenario, the application is slightly different.
  • the user service data is transmitted from the home network to the destination. Therefore, the PCRF 610 and the PCEF 620 in the system respectively refer to the PCRF and the PCEF of the home network, and the PCEF in the home network directly belongs to the home network.
  • the network PCEF requests PCC rules.
  • the user accesses the visited network gateway.
  • the PCEF in the visited network needs to request the PCC rule from the PCRF of the home network via the visited network PCRF.
  • the PCC rule is generated by the home network PCRF, and the PCC is executed by the PCEF of the visited network.
  • the rule therefore, the PCRF 610 in the system refers to the PCRF of the home network, and the PCEF 620 in the system refers to the PCEF of the visited network.
  • the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • the PCEF when the current PCC rule quota is exhausted, the PCEF automatically takes the PCC rule quota exhaustion action to immediately invalidate the PCC rule, or causes the PCC rule to be closed, or redirects the service flow, or The action of re-accessing the IP-CAN session is solved.
  • the prior art PCEF still needs to charge according to the current PCC rule in a time slot before the current PCC rule quota is exhausted and the new PCC rule is acquired and installed. The problem of control ensures the consistency of the AF/PCRF and billing system for the usage statistics of the quota-adjusted rate.

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Abstract

本发明公开了一种策略和计费控制规则快速调整方法、装置及系统，所述方法包括：针对当前需要用量监控的业务，PCRF为其构造PCC规则下发至PCEF；同时，在执行一次性全部业务配额或者最后一份业务配额时，于PCC规则中增加"PCC规则配额耗尽后动作"指示；PCEF接收到包含有指示的PCC规则后，当监控到适配业务用量达到预设阈值时，自动按指示进行操作。本发明解决了现有技术PCEF在当前PCC规则配额耗尽后向PCRF获取并安装新的PCC规则前的一段时隙内仍需按当前PCC规则进行计费控制的问题，保证了AF/PCRF和计费系统对按配额调整费率的业务用量统计的一致性。

Description

策略和计费控制快速调整方法、装置及系统 技术领域
本发明涉及通信技术领域，尤其涉及一种策略和计费控制快速调整方法、装置及系统。
背景技术
在当前由第三代合作伙伴计划(3rd Generation Partnership Project，简称为3GPP)无线通信标准组织中定义的本地疏导(Local Breakout)漫游场景中使用的策略和计费控制(Policy and Charging Control，简称为PCC)架构Release 8版本如图1所示。
策略控制与计费规则功能实体(Policy and Charging Rules Function，简称为PCRF)负责制定策略和计费控制规则(Policy and Charging Rule，简称为PCC规则)，下发给策略控制与计费执行功能实体(Policy and Control Enforcement Function，简称为PCEF)执行。当存在承载绑定和事件报告功能实体(Bearer Binding and Event Reporting Function，简称为BBERF)时，PCRF还制定服务质量规则(Quality of Service Rule，简称QoS规则)，下发给BBERF执行。PCRF还可以向PCEF或BBERF订阅承载网络的相关事件。PCRF制定策略和计费规则的依据包括：从应用功能(Application Function，简称AF)获取与业务相关的信息；从用户签约数据库(Subscription Profile Repository，简称为SPR)获取与用户策略和计费控制相关的签约信息；从BBERF或PCEF获取与承载网络相关的信息。
策略和计费执行功能实体(PCEF)通常位于网关(Gate Way，简称为GW)内，在承载面执行PCRF所制定的PCC规则。PCEF按照PCC规则中的业务数据流过滤器对业务数据流进行检测，进而对这些业务数据流执行PCC规则所规定的门控、QoS控制、计费控制及用量监控等动作参数。门控参数决定PCC规则匹配的业务流能否通过GW传输，QoS控制参数决定PCC规则匹配的业务流的最大限制带宽(Maximum Bit Rate，简称 MBR)、保障带宽(Guaranteed Bit Rate，简称GBR)、服务质量等级标识(QoS Class Identifier，简称QCI)等。PCC规则的计费控制参数包括业务标识(Service-Identifier，简称SI)、费率组(Rating-Group，简称RG)等。PCEF按PCC规则指示的计费控制参数对所匹配的业务流向在线计费系统(Online Charging System，简称为OCS)请求信用控制，或者向离线计费系统(Offline Charging System，简称为OFCS)输出话单。PCC规则的用量监控参数包含一个用量监控键(Monitoring-Key)，PCRF还为每个用量监控键设置用量监控门限并传递给PCEF。当PCC规则的匹配业务流累计用量达到PCRF为相关用量监控键所设置的门限时，或PCC规则删除时，或PCC规则所在的Gx会话关闭时，或PCRF查询该用量监控键已累计用量时，PCEF需要将在此用量监控键上已累计的用量上报给PCRF。PCC规则还包含优先级，如果一个业务流可以匹配多个PCC规则，PCEF应该按优先级最高的那个PCC规则对该业务实施控制。
承载绑定和事件报告功能实体提供承载绑定、上行承载绑定的验证、以及事件报告。当UE通过E-UTRAN接入，并且S-GW与P-GW之间采用PMIPv6协议时，BBERF就位于S-GW，当UE通过可信任非3GPP接入系统接入时，BBERF位于可信任非3GPP接入网关，当UE通过不可信任非3GPP接入系统接入时、BBERF位于演进的分组数据网关(Evolved Packet Data Gateway，简称为ePDG)。此时，PCEF不再执行承载绑定功能。
当用户在归属网络时，用户的业务数据经由归属网络的网关路由到目的地，归属网络中的BBERF和PCEF向归属网络PCRF直接请求QoS规则和PCC规则。当用户漫游时，用户的业务数据可以通过拜访网络的网关直接路由到目的地，或者由拜访网络路由回归属网络，再由归属网络的网关传送到目的地。前者成为本地疏导(Local Breakout)模式，后者称为家乡路由(Home Routed)模式。
在本地疏导模式下，位于拜访网络中的BBERF和PCEF需要经由拜访网络的PCRF(称为V-PCRF)向归属网络的PCRF(称为H-PCRF)请求QoS规则和PCC规则。在家乡路由模式下，因为用户业务数据经由归 属网络网关传送到目的地，归属网络网关中的PCEF直接向H-PCRF请求PCC规则，家乡路由模式下如果拜访网络存在BBERF，则拜访网络BBERF也需要通过V-PCRF向H-PCRF请求QoS规则。
在实际应用中，PCRF可能需要根据业务累计用量调整PCC规则，例如，当用户的某个业务的月累计流量小于1GB时，PCRF为该业务下发PCC规则1，其中SI＝1，RG＝1，表示该业务为免费业务，PCEF按PCC规则的计费控制参数生成话单，计费系统收到SI＝1，RG＝1的话单后，应当视为免费流量。当某次PCEF上报业务用量给PCRF后，PCRF发现该业务的月累计流量已达到1GB，PCRF会对该业务要求PCEF删除PCC规则1，安装PCC规则2，其中SI＝2，RG＝2，表示该业务为收费业务，计费系统收到SI＝2，RG＝2的话单后，将其中的流量统计为收费流量。但是，从PCEF上报流量到收到PCRF更新的PCC规则2，这个过程中间如果用户继续使用该业务，PCEF仍然按PCC规则1来生成话单，导致计费系统统计到的免费流量和PCRF统计的免费流量不一致。虽然从PCEF上报PCC规则1累计的免费流量到收到PCRF删除PCC规则并且按照PCC规则2的指示，这个间隔可能很短，但如果当前用户的业务带宽非常大，产生的流量统计偏差也是可观的，例如间隔100毫秒，带宽10兆字节每秒，流量统计偏差就可以达到1兆字节。
特别的，目前PCC架构允许开展赞助业务的策略和计费控制及用量监控，即赞助商为鼓励用户使用特定业务(例如视频广告)，替用户向运营商支付一定的流量费用。AF向PCRF提供业务信息时，可以说明该业务的赞助商标识及赞助多少流量。在赞助流量范围内，PCRF构造的PCC规则指示PCEF产生免费话单，赞助流量用完后，PCRF撤销该PCC规则，这时相关业务可以匹配优先级更低的通用业务PCC规则，输出通用业务的收费话单。如果用户在本地疏导漫游模式下用户使用归属网络AF提供的赞助业务，现有技术的实现流程如图2所示，包括以下步骤：
步骤201.用户接入拜访网络网关，拜访网络网关中的PCEF向V-PCRF请求策略控制。
步骤202.V-PCRF向H-PCRF请求策略控制。
步骤203.H-PCRF根据用户在SPR的签约信息及自身策略配置，确定为该用户会话安装一个低优先级的通用业务PCC规则，H-PCRF将所生成的PCC规则下发给V-PCRF。
步骤204.V-PCRF将通用业务PCC规则下发给PCEF。
步骤205.用户访问归属网络的特定业务(例如视频广告)，应用服务器充当H-AF，向H-PCRF提供业务信息及相关的赞助信息，例如赞助商标识及赞助多少流量。
步骤206.H-PCRF向H-AF确认收到业务信息。
步骤207.H-PCRF为赞助业务生成一个高优先级的PCC规则，下发给V-PCRF，并指示开启用量监控，用量监控阀值大小和H-AF提供的赞助流量大小相等。
步骤208.V-PCRF将赞助业务PCC规则及相关的用量监控信息传递给PCEF。
步骤209.PCEF安装赞助业务PCC规则，向V-PCRF确认规则安装成功。
步骤210.V-PCRF向H-PCRF确认规则安装成功。
步骤211.用户使用赞助业务，PCEF监控赞助业务流量，达到监控阀值后，PCEF上报赞助业务已使用流量给V-PCRF。
步骤212.V-PCRF上报赞助业务已使用流量给H-PCRF。
步骤213.H-PCRF向V-PCRF确认收到上报流量。
步骤214.V-PCRF向PCEF确认收到上报流量。
步骤215.H-PCRF向H-AF上报赞助业务流量。
步骤216.H-AF确认收到赞助业务流量。
步骤217.因为赞助业务流量配额已耗尽，H-AF指示H-PCRF删除赞 助业务相关信息。
步骤218.H-PCRF向AF确认删除了赞助业务相关信息。
步骤219.H-PCRF指示V-PCRF删除赞助业务PCC规则。
步骤220.V-PCRF指示PCEF删除赞助业务PCC规则。
步骤221.PCEF向V-PCRF确认成功删除赞助业务PCC规则。
从以上流程可知，在步骤211时，赞助业务流量配额就已耗尽，但要到步骤220PCEF删除赞助业务PCC规则后，PCEF才能将相关业务匹配到低优先级的普通业务PCC规则，这期间PCEF仍然按赞助业务PCC规则所规定计费参数输出话单，导致AF/PCRF统计的赞助业务流量和计费系统统计的赞助业务流量不一致。由于PCEF上报的赞助业务流量要经由V-PCRF、H-PCRF传递到H-AF，再由H-AF触发H-PCRF、V-PCRF向PCEF删除赞助业务PCC规则。中间的步骤更多，从赞助业务流量上报到赞助业务PCC规则删除的间隔时间更长，导致AF/PCRF和计费系统间统计的赞助业务流量偏差更大。
发明内容
本发明的主要目的在于提出一种策略和计费控制快速调整方法、装置及系统，旨在解决现有技术中存在的AF/PCRF和计费系统对特定业务的流量统计不一致的问题。
为实现上述目的，本发明实施例提供了一种策略和计费控制规则快速调整方法，包括：
针对当前需要用量监控的业务，策略控制与计费规则功能实体PCRF采用一次性或者分次方式向策略控制与计费执行功能实体PCEF分配业务用量配额，并为此业务构造策略和计费控制PCC规则、设定用量监控阈值，下发至PCEF；同时，在执行一次性分配或者最后一次业务用量配额分配操作时，PCRF于所述PCC规则中增加“PCC规则配额耗尽后动作”指示；
所述PCEF接收到包含有“PCC规则配额耗尽后动作”指示的PCC规则后，当监控到该PCC规则所适配的业务用量达到预设阈值时，自动按“PCC规则配额耗尽后动作”指示进行操作。
可选的，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后自动失效；相应地，自动按PCC规则配额耗尽后自动失效指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则失效，同时将此PCC规则所适配的业务匹配其他的低优先级PCC规则，并按此低优先级PCC规则规定的计费键输出话单；
或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后门控关闭；相应地，自动按PCC规则配额耗尽后门控关闭指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则的门控关闭；
或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后重定向；相应地，自动按PCC规则配额耗尽后重定向指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务做重定向，根据重定向页面上所接收的信息决定是否取消重定向。
或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后结束IP-CAN会话；相应地，自动按PCC规则配额耗尽后结束IP-CAN会话指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务的IP-CAN会话结束。
可选的，所述用量监控具体为：流量监控或者时间监控。
可选的，在PCRF为当前业务构造PCC规则之前还包括步骤：AF为所述PCRF提供业务信息，若当前AF向PCRF分配全部业务配额或者最后一份业务配额，则于所述业务信息中添加“PCC规则配额耗尽后动作”指示。
为实现本发明的目的，本发明还提供了一种策略和计费控制规则快速 调整方法，应用于PCRF，包括步骤：
针对具有用量限定额度的业务，采用一次性或者分次分配方式向PCEF分配该业务用量配额，在初始分配时为此业务构造一PCC规则下发至PCEF并指示开启用量监控；
在所述分配操作中，若当前为一次性分配操作或者分次分配中的最后一次分配操作，于所述PCC规则中增加“PCC规则配额耗尽后动作”指示。
为实现本发明实施例的目的，本发明实施例还提供了一种策略和计费控制规则快速调整方法，应用于PCEF，包括：
安装PCRF下发的PCC规则，对该PCC规则适配的业务进行用量监控；
在监控到该PCC规则适配的业务用量达到预设阈值时，若所述PCC规则中携带有“PCC规则配额耗尽后动作”指示，则自动按照该指示进行操作。
可选的，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后自动失效；相应地，自动按PCC规则配额耗尽后自动失效指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则失效，同时将此PCC规则所适配的业务匹配其他的低优先级PCC规则，并按此低优先级PCC规则规定的计费键输出话单；
或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后门控关闭；相应地，自动按PCC规则配额耗尽后门控关闭指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则的门控关闭；
或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后重定向；相应地，自动按PCC规则配额耗尽后重定向指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务做重定向，根据重定向页面上所接收的信息决定是否取消重定 向。
或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后结束IP-CAN会话；相应地，自动按PCC规则配额耗尽后结束IP-CAN会话指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务的IP-CAN会话结束。
为实现本发明的目的，本发明还提供了一种策略和计费控制规则快速调整装置，应用于PCRF，包括：
PCC规则构造单元，设置为针对当前需要用量监控的业务，为此业务构造PCC规则并将其下发至PCEF；
业务用量分配单元，设置为针对所述业务向PCEF一次性或分次分配全部业务用量配额；
配额耗尽后动作指示单元，设置为在向PCEF一次性分配全部业务用量配额或者分配最后一份业务用量配额时，于所述PCC规则中添加“PCC规则配额耗尽后动作”指示。
为实现本发明的目的，本发明还提供了一种策略和计费控制规则快速调整装置，应用于PCEF，包括：
规则安装单元，设置为安装PCRF下发的PCC规则；
业务用量监控单元，设置为对所述PCC规则适配的业务用量进行监控；
配额耗尽后动作执行单元，设置为在所述PCC规则所适配的业务用量达到预设阈值时，若该PCC规则中包含有“PCC规则配额耗尽后动作”指示，自动按此“PCC规则配额耗尽后动作”指示进行操作。
为实现本发明实施例的目的，本发明实施例还提供了一种策略和计费控制规则快速调整系统，包括如上所述的PCRF和PCEF。
根据本发明的又一个实施例，还提供了一种存储介质。该存储介质设置为存储用于执行以下步骤的程序代码：
针对当前需要用量监控的业务，策略控制与计费规则功能实体PCRF采用一次性或者分次方式向策略控制与计费执行功能实体PCEF分配业务用量配额，并为此业务构造策略和计费控制PCC规则、设定用量监控阈值，下发至PCEF；同时，在执行一次性分配或者最后一次业务用量配额分配操作时，PCRF于所述PCC规则中增加“PCC规则配额耗尽后动作”指示；所述PCEF接收到包含有“PCC规则配额耗尽后动作”指示的PCC规则后，当监控到该PCC规则所适配的业务用量达到预设阈值时，自动按“PCC规则配额耗尽后动作”指示进行操作。
可选地，存储介质还设置为存储用于执行以下步骤的程序代码：
在PCRF为当前业务构造PCC规则之前还包括步骤：AF为所述PCRF提供业务信息，若当前AF向PCRF分配全部业务配额或者最后一份业务配额，则于所述业务信息中添加“PCC规则配额耗尽后动作”指示。
与现有技术相比，本发明具有以下有益效果：
通过本发明实施例，PCEF在当前PCC规则配额耗尽时自动按“PCC规则配额耗尽后动作”立即采取使PCC规则失效，或使PCC规则门控关闭，或使业务流重定向，或使IP-CAN会话下线重接入的动作，解决了现有技术PCEF在当前PCC规则配额耗尽后向PCRF获取并安装新的PCC规则前的一段时隙内仍需按当前PCC规则进行计费控制的问题，从而保证了AF/PCRF和计费系统对按配额调整费率的业务用量统计的一致性。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为3GPP中定义的本地疏导漫游场景中使用的PCC架构示意图；
图2为现有技术中在本地疏导漫游模式下用户使用归属网络AF提供的赞助业务的实现方法流程图；
图3为本发明提供的PCC规则快速调整方法流程图；
图4为本发明实施例一中非漫游场景下PCC规则快速调整的方法流程图；
图5为本发明实施例二中本地疏导漫游场景下PCC规则快速调整的方法流程图；
图6为本发明实施例四中PCC规则快速调整系统结构图。
具体实施方式
本发明的核心思想请参阅图3所示的PCC规则快速调整方法流程，具体包括步骤：
步骤301、针对当前需要用量监控的业务，PCRF为此业务构造PCC规则、设定用量监控阈值，下发至PCEF；
步骤302、PCRF采用一次性或者分次方式向PCEF分配业务用量配额；
步骤303、在执行一次性分配或者最后一次业务用量配额分配操作时，PCRF于PCC规则中增加“PCC规则配额耗尽后动作”指示；
步骤304、所述PCEF接收到包含有“PCC规则配额耗尽后动作”指示的PCC规则后，当监控到该PCC规则所适配的业务用量达到预设阈值时，自动按“PCC规则配额耗尽后动作”指示进行操作。
简而言之，与现有技术相比，本发明在PCC规则的内容中可选增加一个“PCC规则配额耗尽后动作”指示。
“PCC规则配额耗尽后动作”可以是“PCC规则配额耗尽后自动失效”，携带此动作的PCC规则在配额耗尽后，PCEF自动使该PCC规则失效，该PCC规则所适配的业务将匹配其它低优先级PCC规则，并按低优先级PCC规则规定的计费键输出话单。
“PCC规则配额耗尽后动作”也可以是“PCC规则配额耗尽后门控关闭”，携带此动作的PCC规则在配额耗尽后，PCEF自动使该PCC规则的 门控关闭，这样用户无法继续使用该PCC规则所适配的业务。
“PCC规则配额耗尽后动作”也可以是“PCC规则配额耗尽后重定向”，携带此动作的PCC规则在配额耗尽后，PCEF自动对该PCC规则所适配的业务做重定向，这样用户可以在重定向页面上选择是否继续使用该业务，然后PCRF根据用户选择决定是否取消重定向。
“PCC规则配额耗尽后动作”也可以是“PCC规则配额耗尽后结束IP-CAN会话”，以便用户重新接入，这样用户重接入后PCEF重新向PCRF请求PCC规则。
当PCRF构造业务PCC规则并设定用量监控阀值时，如果该业务当前只剩最后一份配额可用，PCRF按最后配额大小设定用量监控阀值，并在业务PCC规则中携带这个“PCC规则配额耗尽后动作”指示。当PCEF收到的PCC规则包含该指示时，PCEF会在该PCC规则所适配的业务用量达到PCRF所给定的阀值后，自动按“PCC规则配额耗尽后动作”进行操作。
并且，本发明在AF提供给PCRF的赞助业务信息中，也可选增加一个“赞助业务配额耗尽后动作”的指示。AF为某用户向PCRF提供赞助业务信息时若发现当前分配的是最后一份赞助业务配额，则在提供最后一份赞助业务配额时也包含这个指示，以便PCRF能够据此确定要在赞助业务PCC规则中携带“PCC规则配额耗尽后动作”。
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
实施例一
本实施例以非漫游场景下PCRF自己管理业务用量配额并在用量配额耗尽后调整计费控制策略为例，如图4所示，PCC规则的快速调整方法包括步骤：
步骤401.用户在归属网络上线，归属网络网关中的PCEF向归属网络PCRF请求策略控制。
步骤402.PCRF分析用户还剩200MB的HTTP免费流量配额，确定先下发其中的100MB配额，
步骤403.PCRF下发一个高优先级HTTP业务免费PCC规则1及一个低优先级通用业务收费PCC规则2，并为PCC规则1设置100MB的流量监控门限。
步骤404.PCEF安装PCC规则1及PCC规则2。HTTP业务匹配PCC规则1并监控流量，其它业务匹配PCC规则2。
步骤405.当PCC规则1监控的HTTP业务流量达到100MB时，PCEF上报流量。
步骤406.PCRF收到上报流量，发现HTTP业务仅剩100MB免费流量配额，PCRF这次完全分配这最后100MB配额。PCRF为PCC规则1再设置100MB流量监控门限，并在PCC规则1中包含“PCC规则配额耗尽后自动失效”指示。
步骤407.PCRF将包含“PCC规则配额耗尽后自动失效”指示的PCC规则1及为PCC规则1设置的100MB流量监控门限下发给PCEF。
步骤408.用户使用的HTTP业务继续匹配PCC规则1并监控流量，达到100MB后PCEF使PCC规则1自动失效，这时HTTP业务匹配PCC规则2，按PCC规则2所规定的计费控制参数向OCS请求信用控制或向OFCS输出话单。
步骤409.因为PCC规则1达到100MB流量监控门限，PCEF上报流量。
步骤410.PCRF向PCEF确认收到流量上报，并指示PCEF删除PCC规则1。
通过本实施例可见，PCEF在HTTP业务免费配额耗尽后能够自动切换PCC规则，保证了AF/PCRF和计费系统对HTTP业务免费配额统计的一致性。
在其他实施例中，PCEF也可以在步骤308中检测到流量达到上限时，同时就去激活PCC规则1，在步骤409上报流量时，同时向PCRF上报PCC规则1被去激活的指示。这样在步骤410中，PCRF不需要再下发删除PCC规则1的指示。
在其他场景中，在步骤406中，PCRF在下发为PCC规则1再设置100MB流量监控门限时，还可以携带其他动作指示，譬如携带(1)“PCC规则配额耗尽后重定向”指示，在步骤408中，当流量达到100MB后，PCEF将对应数据包重定向到一个服务器，由服务器再进行相关的处理。服务器的地址可以是在PCEF上配置或由PCRF随用量配额一同下发；(2)“PCC规则配额耗尽后门控关闭”指示，在步骤408中，当流量达到100MB后，PCEF将阻止对应的数据包通过，用户将无法继续访问该业务。(3)“PCC规则配额耗尽后结束IP-CAN会话”指示，步骤408中，当流量达到100MB后，PCEF使IP-CAN会话下线，然后PCEF为重新建立的IP-CAN会话向PCRF请求新的PCC规则。
实施例二
本实施例以本地疏导漫游场景下用户使用归属网络AF提供的赞助业务为例，如图5所示，PCC规则的快速调整方法包括步骤：
步骤501.用户接入拜访网络网关，拜访网络网关中的PCEF向V-PCRF请求策略控制。
步骤502.V-PCRF向H-PCRF请求策略控制。
步骤503.H-PCRF根据用户在SPR的签约信息及自身策略配置，确定为该用户会话安装一个低优先级的通用业务PCC规则，H-PCRF将所生成的PCC规则下发给V-PCRF。
步骤504.V-PCRF将通用业务PCC规则下发给PCEF。
步骤505.用户访问归属网络的特定业务(例如视频广告)，应用服务器充当H-AF，向H-PCRF提供业务信息及相关的赞助信息，例如赞助商 标识及赞助多少流量。因为AF一次性将全部赞助流量配额下发给PCRF，所以AF同时提供“赞助业务配额耗尽后自动失效”指示给PCRF。
步骤506.H-PCRF向H-AF确认收到业务信息。
步骤507.H-PCRF为赞助业务生成一个高优先级的PCC规则，下发给V-PCRF，并指示开启用量监控，用量监控阀值大小和H-AF提供的赞助流量大小相等，因为AF提供的赞助业务信息中包含“赞助业务配额耗尽后自动失效”指示，所以PCRF在赞助业务PCC规则中包含“PCC规则配额耗尽后自动失效”指示。
步骤508.V-PCRF将赞助业务PCC规则及相关的用量监控信息传递给PCEF，其中的赞助业务PCC规则中包含“PCC规则配额耗尽后自动失效”指示。
步骤509.PCEF安装赞助业务PCC规则，向V-PCRF确认规则安装成功。
步骤510.V-PCRF向H-PCRF确认规则安装成功。
步骤511.用户使用赞助业务，PCEF监控赞助业务流量，达到监控阀值后，PCEF自动使赞助业务PCC规则失效，这时相关业务匹配低优先级的通用业务PCC规则，按通用业务PCC规则所规定的计费控制参数向OCS请求信用控制或向OFCS输出话单。
步骤512.PCEF上报赞助业务PCC规则累计的已使用流量给V-PCRF。
步骤513.V-PCRF上报赞助业务PCC规则累计的已使用流量给H-PCRF。
步骤514.H-PCRF向V-PCRF确认收到上报流量，并指示删除赞助业务PCC规则。
步骤515.V-PCRF向PCEF确认收到上报流量，并指示删除赞助业务PCC规则。
步骤516.H-PCRF向H-AF上报赞助业务流量。
步骤517.H-AF确认收到赞助业务流量。
步骤518.因为赞助业务流量配额已耗尽，H-AF指示H-PCRF删除赞助业务相关信息。
步骤519.H-PCRF向AF确认删除了赞助业务信息。
通过本实施例可见，PCEF在赞助业务配额耗尽后能够自动切换PCC规则，保证了AF/PCRF和计费系统对赞助业务配额统计的一致性。
在其他场景中，在步骤505中，AF在下发门限时，还可以携带其他动作指示，譬如携带(1)“PCC规则配额耗尽后重定向”指示；(2)“PCC规则配额耗尽后门控关闭”指示；(3)“PCC规则配额耗尽后结束IP-CAN会话”指示。H-PCRF可以提供给PCEF的最后一个配额时携带上述指示。当PCEF统计的流量到达门限时，执行相应的动作。
在以上事实中，AF或PCRF提供的配额都是指流量，事实上上述实施例同样适用于配额为时间的用量监控。
实施例三
本实施例以家乡路由漫游场景下用户使用归属网络AF提供的赞助业务为例。
由于在家乡路由模式下，用户业务数据经由归属网络网关传送到目的地，归属网络网关中的PCEF直接向归属网络的PCRF请求PCC规则；而当用户在归属网络时，用户的业务数据经由归属网络的网关路由到目的地，归属网络中的PCEF向归属网络PCRF直接请求PCC规则。通过对比可知，家乡路由模式下与非漫游模式下，PCC规则的获取方式相同，均由归属网络PCEF向归属网络PCRF请求得到，那么两种场景下PCC规则的调整方案也可完全相同，如图4所示，因而此处不在赘述。
实施例四
如图6所示，本实施例中提供了一种PCC规则快速调整系统，包括：PCRF 610和PCEF 620。
其中的PCRF 610包括：
PCC规则构造单元611，设置为针对当前需要用量监控的业务，为此业务构造PCC规则并设定用量监控阈值，下发至PCEF 620；
业务用量分配单元612，设置为向PCEF 620一次性或分次下发全部业务用量配额；
配额耗尽后动作指示单元613，设置为在向PCEF 620一次性下发全部业务配额或者最后一次下发业务配额时，于所述PCC规则中添加“PCC规则配额耗尽后动作”指示；该“PCC规则配额耗尽后动作”可以为“PCC规则配额耗尽后自动失效”、“PCC规则配额耗尽后门控关闭”、“PCC规则配额耗尽后重定向”、“PCC规则配额耗尽后结束IP-CAN会话”。
相应的，PCRF 610侧的PCC规则调整处理方法包括：
针对具有用量(包括有时间用量、流量用量等)限定额度的业务，采用一次性或者分次分配方式向PCEF分配该业务用量配额，并在初始分配时为此业务构造一PCC规则下发至PCEF并指示开启用量监控；
在上述分配操作中，若当前为一次性分配操作或者分次分配中的最后一次分配操作，于PCC规则中增加“PCC规则配额耗尽后动作”指示。该“PCC规则配额耗尽后动作”指示为PCEF指明了在配额耗尽后的可自动执行动作，不再需要经多层上报并接到下发的删除指示后再执行，节省了大量中间步骤。
其中的PCEF 620包括：
规则安装单元621，设置为安装PCRF下发的PCC规则；
业务用量监控单元622，设置为对PCC规则适配的业务用量进行监控；
配额耗尽后动作执行单元623，设置为在PCC规则所适配的业务用量 达到预设阈值时，若该PCC规则中包含有“PCC规则配额耗尽后动作”指示，自动按此“PCC规则配额耗尽后动作”指示进行操作。
相应的，PCEF 620侧的PCC规则调整处理方法包括步骤：
安装PCRF 610下发的PCC规则，对该PCC规则适配的业务进行用量监控；
在监控到该PCC规则适配的业务用量达到预设阈值时，若所述PCC规则中携带有“PCC规则配额耗尽后动作”指示，则自动按照该指示进行操作，具体的操作类型可以为：PCC规则配额耗尽后自动失效、PCC规则配额耗尽后门控关闭、PCC规则配额耗尽后重定向、PCC规则配额耗尽后结束IP-CAN会话。
上述PCC规则快速调整系统可应用于各种场景下，如非漫游场景、本地疏导漫游场景以及家乡路由漫游场景。当然，在各个场景下，应用方式略微不同。
在非漫游场景和家乡路由漫游场景下，用户业务数据均由归属网络传送至目的地，因而本系统中的PCRF 610和PCEF 620分别指归属网络的PCRF和PCEF，归属网络中的PCEF直接向归属网络PCEF请求PCC规则。
在本地疏导漫游场景下，用户接入拜访网络网关，拜访网络中的PCEF需要经由拜访网络PCRF向归属网络的PCRF请求PCC规则，PCC规则由归属网络PCRF生成，而由拜访网络的PCEF执行该PCC规则，因而本系统中的PCRF 610指的是归属网络的PCRF、本系统中的PCEF 620指的是拜访网络的PCEF。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该 要素的过程、方法、物品或者装置中还存在另外的相同要素。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本发明各个实施例所述的方法。
工业实用性
通过本发明实施例，PCEF在当前PCC规则配额耗尽时自动按“PCC规则配额耗尽后动作”立即采取使PCC规则失效，或使PCC规则门控关闭，或使业务流重定向，或使IP-CAN会话下线重接入的动作，解决了现有技术PCEF在当前PCC规则配额耗尽后向PCRF获取并安装新的PCC规则前的一段时隙内仍需按当前PCC规则进行计费控制的问题，从而保证了AF/PCRF和计费系统对按配额调整费率的业务用量统计的一致性。

Claims (10)

  1. 一种策略和计费控制规则快速调整方法，所述方法包括：
    针对当前需要用量监控的业务，策略控制与计费规则功能实体PCRF采用一次性或者分次方式向策略控制与计费执行功能实体PCEF分配业务用量配额，并为此业务构造策略和计费控制PCC规则、设定用量监控阈值，下发至PCEF；同时，在执行一次性分配或者最后一次业务用量配额分配操作时，PCRF于所述PCC规则中增加“PCC规则配额耗尽后动作”指示；
    所述PCEF接收到包含有“PCC规则配额耗尽后动作”指示的PCC规则后，当监控到该PCC规则所适配的业务用量达到预设阈值时，自动按“PCC规则配额耗尽后动作”指示进行操作。
  2. 如权利要求1所述策略和计费控制规则快速调整方法，其中，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后自动失效；相应地，自动按PCC规则配额耗尽后自动失效指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则失效，同时将此PCC规则所适配的业务匹配其他的低优先级PCC规则，并按此低优先级PCC规则规定的计费键输出话单；
    或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后门控关闭；相应地，自动按PCC规则配额耗尽后门控关闭指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则的门控关闭；
    或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后重定向；相应地，自动按PCC规则配额耗尽后重定向指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务做重定向，根据重定向页面上所接收的信息决定是否取消重定向。
    或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额 耗尽后结束IP-CAN会话；相应地，自动按PCC规则配额耗尽后结束IP-CAN会话指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务的IP-CAN会话结束。
  3. 如权利要求1所述策略和计费控制规则快速调整方法，其中，所述用量监控具体为：流量监控或者时间监控。
  4. 如权利要求1所述策略和计费控制规则快速调整方法，其中，该方法中，在PCRF为当前业务构造PCC规则之前还包括步骤：AF为所述PCRF提供业务信息，若当前AF向PCRF分配全部业务配额或者最后一份业务配额，则于所述业务信息中添加“PCC规则配额耗尽后动作”指示。
  5. 一种策略和计费控制规则快速调整方法，应用于PCRF，该方法包括：
    针对具有用量限定额度的业务，采用一次性或者分次分配方式向PCEF分配该业务用量配额，在初始分配时为此业务构造一PCC规则下发至PCEF并指示开启用量监控；
    在所述分配操作中，若当前为一次性分配操作或者分次分配中的最后一次分配操作，于所述PCC规则中增加“PCC规则配额耗尽后动作”指示。
  6. 一种策略和计费控制规则快速调整方法，应用于PCEF，该方法包括：
    安装PCRF下发的PCC规则，对该PCC规则适配的业务进行用量监控；
    在监控到该PCC规则适配的业务用量达到预设阈值时，若所述PCC规则中携带有“PCC规则配额耗尽后动作”指示，则自动按照该指示进行操作。
  7. 如权利要求6所述策略和计费控制规则快速调整方法，其中，该方法中，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后自动失效；相应地，自动按PCC规则配额耗尽后自动失效指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则失效，同时将此PCC规则所适配的业务匹配其他的低优先级PCC规则，并按此低优先级PCC规则规定的计费键输出话单；
    或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后门控关闭；相应地，自动按PCC规则配额耗尽后门控关闭指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则的门控关闭；
    或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后重定向；相应地，自动按PCC规则配额耗尽后重定向指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务做重定向，根据重定向页面上所接收的信息决定是否取消重定向。
    或者，所述“PCC规则配额耗尽后动作”具体为：PCC规则配额耗尽后结束IP-CAN会话；相应地，自动按PCC规则配额耗尽后结束IP-CAN会话指示进行操作的方法为：在配额耗尽后，所述PCEF自动使携带有该指示的PCC规则所适配的业务的IP-CAN会话结束。
  8. 一种策略和计费控制规则快速调整装置，应用于PCRF，包括：
    PCC规则构造单元，设置为针对当前需要用量监控的业务，为此业务构造PCC规则并将其下发至PCEF；
    业务用量分配单元，设置为针对所述业务向PCEF一次性或分次分配全部业务用量配额；
    配额耗尽后动作指示单元，设置为在向PCEF一次性分配全部业务用量配额或者分配最后一份业务用量配额时，于所述PCC规则中添 加“PCC规则配额耗尽后动作”指示。
  9. 一种策略和计费控制规则快速调整装置，应用于PCEF，包括：
    规则安装单元，设置为安装PCRF下发的PCC规则；
    业务用量监控单元，设置为对所述PCC规则适配的业务用量进行监控；
    配额耗尽后动作执行单元，设置为在所述PCC规则所适配的业务用量达到预设阈值时，若该PCC规则中包含有“PCC规则配额耗尽后动作”指示，自动按此“PCC规则配额耗尽后动作”指示进行操作。
  10. 一种策略和计费控制规则快速调整系统，包括如权利要求8所述的PCRF，以及如权利要求9所述的PCEF。
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