WO2016141708A1 - 一种实现在线计费的方法及系统 - Google Patents

一种实现在线计费的方法及系统 Download PDF

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Publication number
WO2016141708A1
WO2016141708A1 PCT/CN2015/090165 CN2015090165W WO2016141708A1 WO 2016141708 A1 WO2016141708 A1 WO 2016141708A1 CN 2015090165 W CN2015090165 W CN 2015090165W WO 2016141708 A1 WO2016141708 A1 WO 2016141708A1
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WIPO (PCT)
Prior art keywords
traffic
list
rate
data packet
service
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PCT/CN2015/090165
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English (en)
French (fr)
Inventor
夏勇
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中兴通讯股份有限公司
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Publication of WO2016141708A1 publication Critical patent/WO2016141708A1/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
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H04L12/1407—Policy-and-charging control [PCC] architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/44—Augmented, consolidated or itemized billing statement or bill presentation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/64—On-line charging system [OCS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects

Definitions

  • This application relates to, but is not limited to, a mobile communication system.
  • FIG. 1 is a basic topology diagram of a related art mobile EPC network. As shown in FIG. 1 , the SAE-GW not only undertakes the task of forwarding the data plane (solid line connection part), but also bears the control plane (the dotted line connection part) to forward.
  • the task of online charging is to monitor the data forwarded by users in real time to prevent users from maliciously overruning data traffic.
  • NFV Network Function Virtualization
  • servers, switches, and storage can be applied to packet processing functions in any data layer, as well as control layer functions in fixed, mobile network architectures.
  • SDN is promoted by the Open NetWork Foundation (ONF) to provide basic forwarding capabilities for the network and to open an OpenFlow interface, allowing upper-layer software to define the forwarding behavior of data streams.
  • ONF Open NetWork Foundation
  • a development direction of EPC is to develop virtualization and control forwarding.
  • FIG. 2 is a topology diagram of an EPC network combined with NFV and SDN.
  • the related control of user data forwarding by EPC network online charging is mastered and initiated by a controller, and the content of such control behavior is received by the user.
  • the data usage information is affected, and the user data usage information is only controlled by the OpenFlow Switch.
  • SAE-GW the user data usage information master
  • SAE-GW the original The online charging mode is implemented by the SAE-GW.
  • the EPC network combined with NFV and SDN is not applicable.
  • the data traffic of the EPC network is at risk of malicious overdraft.
  • This paper provides a method and system for implementing online charging, which can be applied to online charging of an EPC network in combination with NFV and SDN.
  • a method for implementing online charging for each user including:
  • Online charging is performed according to the preset rate and the accumulated traffic of data packets corresponding to each rate.
  • the method before the online charging according to the preset rate and the accumulated traffic of the data packet corresponding to each rate, the method further includes:
  • the online charging rate is preset on the OpenFlow OpenFlow switch according to the charging rule.
  • the rate of online charging is set by the service list.
  • the cumulative traffic for obtaining data packets corresponding to each rate includes:
  • the traffic list of the data packet is added to the service list of the corresponding rate to obtain the cumulative traffic of the data packet corresponding to each rate.
  • Online billing includes:
  • Online charging is performed according to the rate set in each service list and the accumulated traffic of data packets in each service list.
  • the method further includes:
  • the OpenFlow switch generates a traffic list of the data packet according to the data packet and sends the traffic list to the controller.
  • the controller responds to the data packet of the OpenFlow switch according to the generated traffic list. Billing rules.
  • the method further includes:
  • the update request is an update request for a service list, the update request including a packet loss, and/or a redirect indication carrying a redirect address, and/or a free indication, and/or a rate switch time point, and/or an immediate trigger a request to send a request indication, and/or a traffic threshold, and/or a delivery time threshold;
  • the update request is an update request that requires or does not respond.
  • the method further includes:
  • the uploading request carries the accumulated traffic and time information of the data packet in the service list.
  • the method further includes: when the traffic list of the data packet is released,
  • the service list is released when the last traffic list it contains is released, and the information of the accumulated traffic in the service list is sent out while the service list is released.
  • adding the traffic list of the data packet to the service list of the corresponding rate includes:
  • the traffic list of the data packet is added to the service list of the corresponding rate by using the protocol source IP, the related bearer context TEIDU, and the service service identity number Service ID as the keywords.
  • the method before the obtaining the accumulated traffic of the data packet corresponding to each rate, the method further includes:
  • the controller When the user accesses the access, the controller interacts with the OpenFlow switch. After the TEIDU is created on the controller, the GTP packet of the general packet radio service technology tunneling protocol carrying the user data is sent to the OpenFlow switch to parse the GTP packet. The parsed user data packet is processed by OpenFlow.
  • the OpenFlow switch includes an obtaining unit and a charging unit; wherein
  • the obtaining unit is set to: obtain the accumulated traffic of the data packet corresponding to each rate;
  • the charging unit is configured to perform online charging according to a preset rate and a cumulative traffic of data packets corresponding to each rate.
  • the OpenFlow switch further includes a setting unit, configured to: preset a rate of online charging according to the charging rule.
  • the setting unit is set to,
  • the obtaining unit is configured to add a traffic list of the data packet to the service list of the corresponding rate when the data packet of each type is generated for the first time and matches the corresponding traffic list, so as to obtain the corresponding rate. Cumulative traffic of data packets;
  • the charging unit is configured to perform online charging according to the rate set in each service list and the accumulated traffic of data messages in each service list.
  • the OpenFlow switch further includes a traffic list generating unit, where the system further includes a controller Controller;
  • the traffic list generating unit is configured to: when the data packet does not match the corresponding traffic list, generate a traffic list of the data packet according to the data packet, and send the generated traffic list to the controller;
  • the controller includes a charging rule sending unit, and is configured to: respond to the charging rule of the data packet of the OpenFlow switch according to the generated traffic list.
  • the system further includes a predefined device,
  • the predefined device includes a first predefined unit, configured to: predefine an update request of the controller to the Open Flow switch;
  • the update request is an update request for the service list, the update request including a packet loss, and/or a redirect indication carrying a redirect address, and/or a free indication, and/or a rate switch time point, and/or Immediately triggering a request for a delivery request, and/or a request to send a traffic threshold, and/or a delivery time threshold;
  • the update request is an update request that requires or does not respond.
  • the predefined device further includes a second predefined unit, configured to: pre-define a request for sending the OpenFlow switch to the controller;
  • the uplink request carries the accumulated traffic and time information in the service list.
  • the OpenFlow switch further includes a release unit, configured to: when the traffic list of the data packet that the user accesses the network is released according to the user access amount,
  • the setting unit is set to,
  • the traffic list of the data packet is added to the corresponding rate by using the protocol source IP, the associated bearer context TEIDU, and the service service identity number Service ID as the keywords. In the business list.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above.
  • the technical solution of the present application includes: obtaining, for each user, the accumulated traffic of the data packets corresponding to each rate; and the accumulated traffic according to the preset rate and the data packet corresponding to each rate.
  • the method of the embodiment of the present invention implements online charging of the EPC network by combining the NFV and the SDN by performing online charging through the accumulated traffic of the data packet corresponding to each rate in the online charging rate preset by the OpenFlow switch. . And, by setting the rate in the service list, online charging is realized by adding the traffic list to the service list of the corresponding rate.
  • 1 is a basic topology diagram of a related art mobile EPC network
  • FIG. 2 is a topological diagram of an EPC network in combination with NFV and SDN;
  • FIG. 3 is a flowchart of a method for implementing online charging according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a system for implementing online charging according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for implementing online charging according to an embodiment of the present invention. As shown in FIG. 3, for each user, including:
  • Step 300 Acquire cumulative traffic of data packets corresponding to each rate
  • the rate of online charging is set through a service list.
  • the cumulative traffic of the data packets corresponding to each rate includes:
  • the traffic list of the data packet is added to the service list of the corresponding rate to obtain the cumulative traffic of the data packet corresponding to each rate.
  • Step 301 Perform online charging according to a preset rate and a cumulative traffic of data packets corresponding to each rate.
  • Online billing includes:
  • the traffic list of the data packet is added to the service list of the corresponding rate.
  • Online charging is performed according to the rate set in each service list and the accumulated traffic of data packets in each service list.
  • the traffic list is generally represented by a Flow Table.
  • the quintuple usually refers to the source IP address, source port, and destination.
  • adding the traffic list of the data packet to the service list of the corresponding rate includes:
  • the traffic list of the data packet is added to the service list of the corresponding rate by using a protocol (Source IP), a related bearer context (TEIDU), and a service identifier (Service ID) as the keywords. in.
  • a protocol (Source IP)
  • TEIDU related bearer context
  • Service ID service identifier
  • the method further includes:
  • the OpenFlow switch generates a traffic list of the data packet according to the data packet and sends the traffic list to the controller (Controller);
  • the controller responds to the charging rule of the data packet of the OpenFlow switch according to the generated traffic list.
  • the method of the embodiment of the present invention further includes: presetting the online charging rate on the OpenFlow switch according to the charging rule.
  • the rate for online billing can be set through the business list.
  • the general service list can be represented by Service Table.
  • the generation of the service list is mainly generated according to different charging rules of each type of data packet, that is, if different OCSs have the same charging rule for data packets, only one service is generated. List.
  • the charging rule of the data packet is usually configured by the Policy and Charging Rules Function (PCRF) or the OCS in the Controller. If the PCRF and the OCS do not contain the charging rule, The configuration of the charging rules can also be performed according to the protocol. At the same time that the charging rule is issued, the control rules are also issued, for example, threshold control, and/or quality of service QOS, etc.; the service list matching the charging rule herein refers to the charging standard defined by the charging rule. The rates for the business list match.
  • the method in response to the charging rule of the OpenFlow switch, if the charging rule is different from the existing traffic list, the method generates a service list according to the method of the present invention. If the charging rule is the same as the charging rule of the existing traffic list, Add the traffic list to the corresponding business list.
  • the update request is an update request for a service list, the update request including a packet loss, and/or a redirect indication carrying a redirect address, and/or a free indication, and/or a rate switch time point, and/or an immediate trigger a request to send a request indication, and/or a traffic threshold, and/or a delivery time threshold;
  • the update request is an update request that requires or does not respond.
  • the OpenFlow switch modifies the status of the corresponding service list for use in related processing of service accounting.
  • the upload request is triggered according to the request of the sending traffic threshold and/or the sending time threshold;
  • the uploading request carries the accumulated traffic and time information of the data packet in the service list.
  • the service list is released when the last traffic list it contains is released, and the information of the accumulated traffic in the service list is sent out while the service list is released.
  • the method of the embodiment of the present invention further includes:
  • the controller When the user accesses the access, the controller interacts with the OpenFlow switch. After the associated bearer context (TEIDU) is created on the controller, the general packet radio service technology tunneling protocol (GTP) packet carrying the user data is sent to the OpenFlow switch for parsing.
  • GTP general packet radio service technology tunneling protocol
  • the keyword of the GTP packet performs OpenFlow processing on the parsed user data packet. This part of the OpenFlow processing is an optional implementation condition of the technical solution of the embodiment of the present invention.
  • the method of the embodiment of the present invention implements online charging of the EPC network by combining the NFV and the SDN by performing online charging through the accumulated traffic of the data packet corresponding to each rate in the online charging rate preset by the OpenFlow switch. . And, by setting the rate in the service list, online charging is realized by adding the traffic list to the service list of the corresponding rate.
  • FIG. 4 is a structural block diagram of a system for implementing online charging according to an embodiment of the present invention. As shown in FIG. 4, at least the OpenFlow switch 40 is included:
  • the OpenFlow switch includes an obtaining unit 41 and a charging unit 42;
  • the obtaining unit 41 is configured to: obtain the accumulated traffic of the data packet corresponding to each rate;
  • the obtaining unit 41 is configured to: when each type of data packet is generated for the first time and matched to the corresponding traffic list, add the traffic list of the data packet to the service list of the corresponding rate to obtain the corresponding rate. Cumulative traffic of data packets;
  • the charging unit 42 is configured to perform online charging according to a preset rate and a cumulative traffic of data messages corresponding to each rate.
  • the OpenFlow switch 40 may further include a setting unit 43 configured to: preset a rate for online charging according to a charging rule;
  • the setting unit 43 is set to,
  • the charging unit 42 is configured to perform online charging according to the rate set in each service list and the accumulated traffic of data messages in each service list.
  • the OpenFlow switch further includes a traffic list generating unit 44, the system further including a controller Controller 50;
  • the traffic list generating unit 44 is configured to: when the data packet does not match the corresponding traffic list, generate a traffic list of the data packet according to the data packet, and send the generated traffic list to the controller 50;
  • the controller 50 includes a charging rule issuing unit 51, and is configured to respond to the charging rule of the data packet of the OpenFlow switch 40 according to the generated traffic list.
  • the system of the embodiment of the invention further includes a predefined device 60,
  • the predefined device 60 includes a first pre-defined unit 61 configured to: predefine an update request from the controller 50 to the Open Flow switch 40;
  • the update request is an update request for the service list, the update request includes a packet loss, and/or a redirect indication carrying a redirect address, and/or a free indication, and/or a rate switch time point, and/or an immediate trigger a request to send a request indication, and/or a traffic threshold, and/or a delivery time threshold;
  • the update request is an update request that requires or does not respond.
  • the predefined device 60 further includes a second pre-defined unit 62 configured to: pre-define the upload request of the OpenFlow switch 40 to the controller 50;
  • the upload request is triggered according to the request of the sending traffic threshold and/or the sending time threshold;
  • the upload request carries the accumulated traffic and time information in the service list.
  • the OpenFlow switch 40 further includes a release unit 45 configured to: when the traffic list of data packets accessed by the user accessing the network is released according to the amount of user access,
  • the setting unit 43 is set to,
  • the source IP address, the TEIDU, and the service service ID are used as keywords to add the traffic list of the data packet to the service list of the corresponding rate.
  • FIG. 5 is a flowchart of a method according to an embodiment of the present invention. As shown in FIG. 5, the method includes:
  • Step 500 The terminal initiates an access creation session request to the SAE-GW in the Controller (the SAE-GW is a virtual device in the Control), and creates a default bearer.
  • Step 501 The SAE-GW generates a TEIDC of the control plane, selects an OpenFlow switch, and initiates a bearer request (which carries the TEIDC for carrying back the response).
  • the OpenFlow switch is only responsible for forwarding the data packets of the user service to the OpenFlow switch specified by the PGW.
  • Step 502 The OpenFlow switch creates a bearer request in response to the Controller, generates and returns a TEIDU to the Controller. At this point, the Controller and the OpenFlow switch establish an association relationship between the session and the bearer accessed by the user.
  • Step 503 Complete the EPC core network access of the mobile user, and the Controller responds (should be the SGW and MME inside the Controller) to successfully access the terminal, and the subsequent Controller internal MME and Modifying the bearer request/response (Modify Bearer Req/Res) interaction between the SGWs; the user accesses the mobile network and starts to initiate service data, that is, starts to transmit data packets;
  • Step 504 The OpenFlow switch generates a traffic list and reports it to the Controller because the data packet for the first service data does not match the corresponding traffic list on the OpenFlow switch.
  • Step 505 The controller analyzes the reported traffic list and sends the corresponding charging rule and control rule, which clarifies the service type, that is, the Service ID (RatingGroup);
  • the method for analyzing and determining the charging rule is that within the Controller, the SAE-GW initiates a credit control initial request (CCR(I)) request to the OCS, requesting a quota quota for the previous data service; and the OCS responds to the SAE-GW CCA(I).
  • CCR(I) credit control initial request
  • the OCS responds to the SAE-GW CCA(I).
  • the corresponding quota is issued; the controller converts according to the quota issued by the OCS, and selects a reasonable upper threshold, that is, the determination of the charging rule and the control rule is completed.
  • control rule is set based on the set maximum amount of online charging, and the upper limit of the flow determined based on the prepaid or determined fee.
  • Step 506 The same service data of the user performs data packet transmission
  • Step 507 According to the service list in the OpenFlow switch, the cumulative traffic information of the user service is sent under the restriction of the upper threshold of the control rule;
  • Step 508 The quota issued by the OCS is exhausted.
  • the application request credit control update response (CCA(U)) is re-initiated; the OCS in the controller checks the user account, and determines that the accumulated traffic of the online charging has reached the quota. , that is, the user has owed a fee, and notified the SAE-GW through the CCA (U);
  • Step 509 The Controller instructs the OpenFlow switch to perform packet loss processing on the data packet of the service of the user; the service of the user is no longer allowed to pass through the OpenFlow switch until the subsequent user performs recharging.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • online charging is performed on the EPC network in combination with the NFV and the SDN by performing online charging through the accumulated traffic of the data packets corresponding to each rate in the online charging rate preset by the OpenFlow switch. And, by setting the rate in the service list, online charging is realized by adding the traffic list to the service list of the corresponding rate.

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Abstract

本文公布一种实现在线计费的方法及系统，该方法包括：针对每个用户，获取每种费率对应的数据报文的累计流量；根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。

Description

一种实现在线计费的方法及系统 技术领域
本申请涉及但不限于移动通信系统。
背景技术
当前移动演进分组核心网(EPC，Evolved Packet Core)在线计费由系统架构演进网关(SAE-GW，System Architecture Evolution-gateway)网元对接在线计费系统(OCS,Online Charging System)服务器来实现，其中，SAE-GW是由服务网关(SGW)与公用数据网网关(PGW)合一的网元。图1为相关技术的移动EPC网络的基本拓扑图，如图1所示，SAE-GW既承担着数据面(实线连接部分)转发的任务，同时也承担着控制面(虚线连接部分)转发的任务，而在线计费功能就是对用户转发数据进行实时监控，以防止用户恶意透支数据流量。
移动核心网的网络功能虚拟化(NFV)旨在利用标准的IT虚拟化技术解决这些问题，通过将多种网络设备类型融合到数据中心、网络节点以及用户企业内可定位的行业标准的高容量服务器、交换机和存储中。NFV可应用到任何数据层的数据包处理功能，以及固定、移动网络架构中的控制层功能。
SDN由开放式网络基金会(ONF，Open NetWork Foundation)组织推进，为网路提供基本的转发能力，并开放开放流(OpenFlow)接口，允许上层软件定义数据流的转发行为。
根据NFV和SDN的发展要求，EPC一个发展方向是向着虚拟化、控制转发分离化发展。
图2为NFV与SDN结合下EPC网络的拓扑图，如图2所示，EPC网络在线计费对用户数据转发的相关控制由控制器(Controller)掌握和发起，这种控制行为的内容受到用户数据使用信息的影响，而用户数据使用信息只由OpenFlow交换机(OpenFlow Switch)所掌握。这与相关技术的EPC网络里控制发起者，用户数据使用信息掌握者都是SAE-GW不一样。因此，原有的 由SAE-GW进行在线计费方式，并不适用NFV与SDN结合下的EPC网络，EPC网络的数据流量存在恶意透支的风险。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供一种实现在线计费的方法及系统，能够适用NFV与SDN结合下EPC网络的在线计费。
一种实现在线计费的方法，针对每个用户，包括：
获取每种费率对应的数据报文的累计流量；
根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。
可选地，所述根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费之前还包括：
根据计费规则在开放流OpenFlow交换机上预先设置在线计费的费率。
可选地，在线计费的费率通过业务列表设置，
获取每种费率对应的数据报文的累计流量包括：
每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中，以获取每种费率对应的数据报文的累计流量；
进行在线计费包括：
根据每个业务列表中设置的费率及每个业务列表中数据报文的累计流量进行在线计费。
可选地，当数据报文匹配不到相应的流量列表时，该方法还包括：
OpenFlow交换机根据数据报文生成该数据报文的流量列表并发往控制器Controller；
控制器根据所述生成的流量列表响应所述OpenFlow交换机该数据报文 的计费规则。
可选地，该方法还包括：
预先定义控制器到所述OpenFlow交换机的更新请求；
更新请求为业务列表的更新请求，所述更新请求包括丢包、和/或携带有重定向地址的重定向指示、和/或免费指示、和/或费率切换时间点、和/或立即触发上送请求指示、和/或上送流量门限、和/或上送时间门限的请求；
更新请求为需响应或无需响应的更新请求。
可选地，该方法还包括：
预先定义所述Open Flow交换机到所述控制器的上送请求；
根据所述上送流量门限、和/或上送时间门限的请求触发所述上送请求；
上送请求中携带所述业务列表中数据报文的累计流量和时间信息。
可选地，该方法还包括：当所述数据报文的流量列表被释放时，
业务列表在其所包含的最后一个流量列表被释放时释放，在业务列表释放的同时上送业务列表中累计流量的信息。
可选地，添加数据报文的流量列表到相应费率的业务列表中包括：
以用户终端网络之间互连的协议Source IP、相关承载上下文TEIDU及业务服务身份标识号码Service ID作为关键字，将所述数据报文的流量列表添加到相应费率的业务列表中。
可选地，所述获取每种费率对应的数据报文的累计流量之前还包括：
用户访问接入时，控制器与OpenFlow交换机交互，在控制器上创建TEIDU后，承载着用户数据的通用分组无线服务技术隧道协议GTP报文送到OpenFlow交换机后解析获得GTP报文的关键字,将解析出的用户数据报文做OpenFlow处理。
一种实现在线计费的系统，包括OpenFlow交换机：
OpenFlow交换机包括获取单元和计费单元；其中，
针对每个用户，
获取单元，设置为：获取每种费率对应的数据报文的累计流量；
计费单元，设置为：根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。
可选地，OpenFlow交换机还包括设置单元，设置为：根据计费规则预先设置在线计费的费率。
可选地，设置单元是设置为，
根据计费规则通过业务列表预先设置在线计费的费率；
获取单元是设置为，每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中，以获取每种费率对应的数据报文的累计流量；
计费单元是设置为，根据每个业务列表中设置的费率及每个业务列表中数据报文的累计流量进行在线计费。
可选地，OpenFlow交换机还包括流量列表生成单元，该系统还包括控制器Controller；
流量列表生成单元，设置为：当数据报文匹配不到相应的流量列表时，根据数据报文生成该数据报文的流量列表，并将生成的流量列表发往所述控制器；
控制器包括计费规则下发单元，设置为：根据生成的流量列表响应OpenFlow交换机该数据报文的计费规则。
可选地，该系统还包括预定义装置，
预定义装置包括第一预定义单元，设置为：预先定义控制器到所述Open Flow交换机的更新请求；
更新请求为所述业务列表的更新请求，所述更新请求包括丢包、和/或携带有重定向地址的重定向指示、和/或免费指示、和/或费率切换时间点、和/或立即触发上送请求指示、和/或上送流量门限、和/或上送时间门限的请求；
更新请求为需响应或无需响应的更新请求。
可选地，预定义装置还包括第二预定义单元，设置为：预先定义OpenFlow交换机到所述控制器的上送请求；
根据所述上送流量门限、和/或上送时间门限的请求触发所述上送请求；
所述上送请求中携带业务列表中累计流量和时间信息。
可选地，OpenFlow交换机还包括释放单元，设置为：当用户访问网络的数据报文的流量列表根据用户访问量被释放时，
在业务列表所包含的最后一个流量列表被释放时释放，在业务列表释放的同时上送业务列表中累计流量的信息。
可选地，设置单元是设置为，
根据计费规则的不同，以用户终端网络之间互连的协议Source IP、相关承载上下文TEIDU及业务服务身份标识号码Service ID作为关键字，将所述数据报文的流量列表添加到相应费率的业务列表中。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项的方法。
与相关技术相比，本申请技术方案包括：针对每个用户，获取每种费率对应的数据报文的累计流量；根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。本发明实施例方法通过在OpenFlow交换机预先设置的在线计费的费率，通过每种费率对应的数据报文的累计流量进行在线计费，实现了NFV与SDN结合下EPC网络的在线计费。以及，通过将费率设置在业务列表中，通过将流量列表添加到相应费率的业务列表中，实现了在线计费。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为相关技术的移动EPC网络的基本拓扑图；
图2为NFV与SDN结合下EPC网络的拓扑图；
图3为本发明实施例实现在线计费的方法的流程图；
图4为本发明实施例实现在线计费的系统的结构框图；
图5是本发明实施例实施例的方法的流程图。
本发明的实施方式
下文中将结合附图对本发明的实施方式进行说明。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任意组合。
图3为本发明实施例实现在线计费的方法的流程图，如图3所示，针对每个用户，包括：
步骤300、获取每种费率对应的数据报文的累计流量；
本发明实施例方法中，在线计费的费率通过业务列表设置，
本步骤中，获取每种费率对应的数据报文的累计流量包括：
每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中，以获取每种费率对应的数据报文的累计流量；
步骤301、根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。
在线计费的费率通过业务列表设置，
进行在线计费包括：
每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中；
根据每个业务列表中设置的费率及每个业务列表中数据报文的累计流量进行在线计费。
需要说明的是，流量列表一般通过Flow Table表示，是用户访问网络时，根据数据报文的五元组生成的，五元组通常是指源IP地址、源端口、目 的IP地址、目的端口和传输层协议五个量组成的一个集合；通过将费率系统的流量列表连接到同一业务列表，在业务列表中进行累计流量，结合费率，获得用户访问流量的费用，实现在线计费。
本步骤中，添加数据报文的流量列表到相应费率的业务列表中包括：
以用户终端网络之间互连的协议(Source IP)、相关承载上下文(TEIDU)及业务服务身份标识号码(Service ID)作为关键字，将数据报文的流量列表添加到相应费率的业务列表中。
当数据报文匹配不到相应的流量列表时，该方法还包括：
OpenFlow交换机根据数据报文生成该数据报文的流量列表并发往控制器(Controller)；
控制器根据生成的流量列表响应OpenFlow交换机该数据报文的计费规则。
在步骤300之前，本发明实施例方法还包括：根据计费规则在OpenFlow交换机上预先设置在线计费的费率。
在线计费的费率可以通过业务列表设置。在实际应用中，一般业务列表可以通过Service Table表示。
需要说明的是，这里业务列表的生成主要根据每种类型数据报文的计费规则的不同生成的，也就是说，如果不同OCS对数据报文的计费规则相同时，只会生成一个业务列表。
需要说明的是，数据报文的计费规则通常由Controller之中的策略与计费规则功能单元(PCRF，Policy and Charging Rules Function)或OCS配置，如果PCRF和OCS中不不含计费规则，也可以根据协议进行计费规则的配置。在下发计费规则的同时，往往还下发控制规则，例如、门限控制、和/或服务质量QOS等；这里与计费规则相匹配的业务列表是指与计费规则定义的计费标准与业务列表的费率相符。这里响应OpenFlow交换机的计费规则，如果与已经存在的流量列表的计费规则不同，则根据本发明实施例方法生成业务列表，如果计费规则与已经存在的流量列表的计费规则相同，则将该流量列表添加到相应的业务列表中。
本发明实施例方法还包括：
预先定义控制器到Open Flow交换机的更新请求；
更新请求为业务列表的更新请求，所述更新请求包括丢包、和/或携带有重定向地址的重定向指示、和/或免费指示、和/或费率切换时间点、和/或立即触发上送请求指示、和/或上送流量门限、和/或上送时间门限的请求；
更新请求为需响应或无需响应的更新请求。
当更新请求为丢包、重定向指示、免费指示的请求时，OpenFlow交换机修改相应业务列表状态，供业务计费的相关处理使用。
本发明实施例方法还包括：
预先定义Open Flow交换机到控制器的上送请求；
根据上送流量门限、和/或上送时间门限的请求触发上送请求；
上送请求中携带所述业务列表中数据报文的累计流量和时间信息。
当数据报文的流量列表被释放时，
业务列表在其所包含的最后一个流量列表被释放时释放，并在业务列表释放的同时上送业务列表中累计流量的信息。
步骤300之前，本发明实施例方法还包括：
用户访问接入时，控制器与OpenFlow交换机交互，在控制器上创建相关承载上下文(TEIDU)后，承载着用户数据的通用分组无线服务技术隧道协议(GTP)报文送到OpenFlow交换机后解析获得GTP报文的关键字，将解析出的用户数据报文做OpenFlow处理。该部分做OpenFlow处理为本发明实施例技术方案的一个可选实施条件。
本发明实施例方法通过在OpenFlow交换机预先设置的在线计费的费率，通过每种费率对应的数据报文的累计流量进行在线计费，实现了NFV与SDN结合下EPC网络的在线计费。以及，通过将费率设置在业务列表中，通过将流量列表添加到相应费率的业务列表中，实现了在线计费。
图4为本发明实施例实现在线计费的系统的结构框图，如图4所示，至少包括OpenFlow交换机40：
OpenFlow交换机包括获取单元41和计费单元42；其中，
针对每个用户，
获取单元41，设置为：获取每种费率对应的数据报文的累计流量；
获取单元41是设置为，每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中，以获取每种费率对应的数据报文的累计流量；
计费单元42，设置为：根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。
OpenFlow交换机40还可包括设置单元43，设置为：根据计费规则预先设置在线计费的费率；
设置单元43是设置为，
根据计费规则通过业务列表预先设置在线计费的费率；
计费单元42是设置为，根据每个业务列表中设置的费率及每个业务列表中数据报文的累计流量进行在线计费。
OpenFlow交换机还包括流量列表生成单元44，该系统还包括控制器Controller50；
流量列表生成单元44，设置为：当数据报文匹配不到相应的流量列表时，根据数据报文生成该数据报文的流量列表，并将生成的流量列表发往所述控制器50；
控制器50包括计费规则下发单元51，设置为：根据生成的流量列表响应OpenFlow交换机40该数据报文的计费规则。
本发明实施例系统还包括预定义装置60，
预定义装置60包括第一预定义单元61，设置为：预先定义控制器50到Open Flow交换机40的更新请求；
更新请求为所述业务列表的更新请求，更新请求包括丢包、和/或携带有重定向地址的重定向指示、和/或免费指示、和/或费率切换时间点、和/或立即触发上送请求指示、和/或上送流量门限、和/或上送时间门限的请求；
更新请求为需响应或无需响应的更新请求。
预定义装置60还包括第二预定义单元62，设置为：预先定义OpenFlow交换机40到控制器50的上送请求；
根据上送流量门限、和/或上送时间门限的请求触发上送请求；
上送请求中携带业务列表中累计流量和时间信息。
OpenFlow交换机40还包括释放单元45，设置为：当用户访问网络的数据报文的流量列表根据用户访问量被释放时，
在业务列表所包含的最后一个流量列表被释放时释放，在业务列表释放的同时上送业务列表中累计流量的信息。
设置单元43是设置为，
根据计费规则的不同，以Source IP、TEIDU及业务ServiceID作为关键字，将数据报文的流量列表添加到相应费率的业务列表中。
实施例1
图5是本发明实施例的方法的流程图，如图5所示，包括：
步骤500：终端发起接入创建会话请求至Controller中的SAE-GW(SAE-GW为Control中虚拟设备)，创建默认承载。
步骤501：SAE-GW产生控制面的TEIDC，选择一个OpenFlow交换机，并向其发起创建承载请求(携带TEIDC，用于对端响应带回)。
需要说明的是，如果SAE-GW只做SGW使用时，也一样需要此步骤，但OpenFlow交换机只负责把用户业务的数据报文转发到PGW指定的OpenFlow交换机，这种特定情况在此不赘述；
步骤502：OpenFlow交换机响应Controller创建承载请求，产生并返回TEIDU给Controller。至此Controller与OpenFlow交换机之间对于用户接入的会话、承载建立了关联关系；
步骤503：完成移动用户的EPC核心网接入，Controller响应(应该是经Controller内部的SGW、MME)终端接入成功，后续Controller内部MME与 SGW之间完成修改承载请求/响应(Modify Bearer Req/Res)交互；用户接入到移动网络，开始发起业务数据，即开始传输数据报文；
步骤504：由于用于第一个业务数据的数据报文在OpenFlow Switch上匹配不到相应的流量列表，OpenFlow交换机生成流量列表并上报给Controller；
步骤505：Controller对上报的流量列表进行分析后下发相应的计费规则和控制规则，这就明确了这个业务类型，即Service ID(RatingGroup)；
进行分析确定计费规则的方法是，Controller内部，SAE-GW向OCS发起信用控制初始请求(CCR(I))请求，为之前的数据业务请求批价配额；OCS响应SAE-GW CCA(I)下发相应的配额；Controller根据OCS下发的配额进行折算，选择一个合理的上送门限，即完成计费规则和控制规则的确定。
这里控制规则是基于设定的在线计费的最高额度设定的，及根据预先支付或确定的费用确定的流量上限。
步骤506：用户的同一业务数据进行数据报文的传输；
步骤507：根据OpenFlow交换机中的业务列表，在控制规则的上送门限的限制下，上送用户业务的累计流量信息；
步骤508：OCS下发的配额耗尽，此时，重新发起申请请求信用控制更新响应(CCA(U))；Controller中OCS查看用户账户，确定在线计费所累计流量的费用已经到达所配额度，即用户已经欠费，通过CCA(U)通知SAE-GW；
步骤509：Controller指示OpenFlow交换机对用户的该业务的数据报文进行丢包处理；用户的业务不再允许通过OpenFlow交换机，直至后续用户进行充值。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
工业实用性
本发明实施例通过在OpenFlow交换机预先设置的在线计费的费率，通过每种费率对应的数据报文的累计流量进行在线计费，实现了NFV与SDN结合下EPC网络的在线计费。以及，通过将费率设置在业务列表中，通过将流量列表添加到相应费率的业务列表中，实现了在线计费。

Claims (15)

  1. 一种实现在线计费的方法，针对每个用户，包括：
    获取每种费率对应的数据报文的累计流量；
    根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费。
  2. 根据权利要求1所述的方法，其中，所述根据预先设置的费率及每种费率对应的数据报文的累计流量进行在线计费之前还包括：
    根据计费规则在开放流OpenFlow交换机上预先设置在线计费的费率。
  3. 根据权利要求2所述的方法，其中，所述在线计费的费率通过业务列表设置，
    所述获取每种费率对应的数据报文的累计流量包括：
    每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中，以获取每种费率对应的数据报文的累计流量；
    所述进行在线计费包括：
    根据每个业务列表中设置的费率及每个业务列表中数据报文的累计流量进行在线计费。
  4. 根据权利要求3所述的方法，其中，当数据报文匹配不到相应的流量列表时，该方法还包括：
    所述OpenFlow交换机根据数据报文生成该数据报文的流量列表并发往控制器Controller；
    控制器根据所述生成的流量列表响应所述OpenFlow交换机该数据报文的计费规则。
  5. 根据权利要求1～4任一项所述的方法，该方法还包括：
    预先定义控制器到所述OpenFlow交换机的更新请求；
    所述更新请求为业务列表的更新请求，所述更新请求包括丢包、和/或携带有重定向地址的重定向指示、和/或免费指示、和/或费率切换时间点、 和/或立即触发上送请求指示、和/或上送流量门限、和/或上送时间门限的请求；
    所述更新请求为需响应或无需响应的更新请求。
  6. 根据权利要求5所述的方法，该方法还包括：
    预先定义所述Open Flow交换机到所述控制器的上送请求；
    根据所述上送流量门限、和/或上送时间门限的请求触发所述上送请求；
    所述上送请求中携带所述业务列表中数据报文的累计流量和时间信息。
  7. 根据权利要求3所述的方法，该方法还包括：当所述数据报文的流量列表被释放时，
    所述业务列表在其所包含的最后一个流量列表被释放时释放，在业务列表释放的同时上送业务列表中累计流量的信息。
  8. 根据权利要求3、4或7所述的方法，其中，所述添加数据报文的流量列表到相应费率的业务列表中包括：
    以用户终端网络之间互连的协议Source IP、相关承载上下文TEIDU及业务服务身份标识号码Service ID作为关键字，将所述数据报文的流量列表添加到相应费率的业务列表中。
  9. 根据权利要求1、2、3、4或7所述的方法，其中，所述获取每种费率对应的数据报文的累计流量之前还包括：
    用户访问接入时，控制器与OpenFlow交换机交互，在控制器上创建TEIDU后，承载着用户数据的通用分组无线服务技术隧道协议GTP报文送到OpenFlow交换机后解析获得GTP报文的关键字,将解析出的用户数据报文做OpenFlow处理。
  10. 一种实现在线计费的系统，包括OpenFlow交换机：
    OpenFlow交换机包括获取单元和计费单元；其中，
    针对每个用户，
    获取单元，设置为：获取每种费率对应的数据报文的累计流量；
    计费单元，设置为：根据预先设置的费率及每种费率对应的数据报文的 累计流量进行在线计费。
  11. 根据权利要求10所述的系统，其中，所述OpenFlow交换机还包括设置单元，设置为：根据计费规则预先设置在线计费的费率。
  12. 根据权利要求11所述的系统，其中，所述设置单元是设置为，
    根据计费规则通过业务列表预先设置在线计费的费率；
    所述获取单元是设置为，每种类型数据报文第一次产生且匹配到相应的流量列表时，分别添加数据报文的流量列表到相应费率的业务列表中，以获取每种费率对应的数据报文的累计流量；
    所述计费单元是设置为，根据每个业务列表中设置的费率及每个业务列表中数据报文的累计流量进行在线计费。
  13. 根据权利要求12所述的系统，其中，所述OpenFlow交换机还包括流量列表生成单元，该系统还包括控制器Controller；
    流量列表生成单元，设置为：当数据报文匹配不到相应的流量列表时，根据数据报文生成该数据报文的流量列表，并将生成的流量列表发往所述控制器；
    控制器包括计费规则下发单元，设置为：根据生成的流量列表响应OpenFlow交换机该数据报文的计费规则。
  14. 根据权利要求12或13所述的系统，该系统还包括预定义装置，
    所述预定义装置包括第一预定义单元，设置为：预先定义控制器到所述Open Flow交换机的更新请求；
    所述更新请求为所述业务列表的更新请求，所述更新请求包括丢包、和/或携带有重定向地址的重定向指示、和/或免费指示、和/或费率切换时间点、和/或立即触发上送请求指示、和/或上送流量门限、和/或上送时间门限的请求；
    所述更新请求为需响应或无需响应的更新请求。
  15. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-9任一项的方法。
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