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WO2009146621A1 - Procédé de traitement de données, passerelle de réseau large bande, contrôleur de politique et dispositif d'accès - Google Patents

Procédé de traitement de données, passerelle de réseau large bande, contrôleur de politique et dispositif d'accès Download PDF

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Publication number
WO2009146621A1
WO2009146621A1 PCT/CN2009/071456 CN2009071456W WO2009146621A1 WO 2009146621 A1 WO2009146621 A1 WO 2009146621A1 CN 2009071456 W CN2009071456 W CN 2009071456W WO 2009146621 A1 WO2009146621 A1 WO 2009146621A1
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WIPO (PCT)
Prior art keywords
data
user
service
value
information
Prior art date
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Ceased
Application number
PCT/CN2009/071456
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English (en)
Chinese (zh)
Inventor
邹嵘
胡新宇
陈建
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2009146621A1 publication Critical patent/WO2009146621A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H04L41/5022—Ensuring fulfilment of SLA by giving priorities, e.g. assigning classes of service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/18—Protocol analysers
    • 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
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a data processing method, a broadband network gateway, a policy controller, and an access device.
  • Background technique
  • IP Internet Protocol
  • IP-based network services such as video, voice and data Convergence, etc.
  • P2P Personalized peer-to-peer communication
  • users get sufficient bandwidth resources and services on demand.
  • the triple play service is a bundled business model that combines voice, data and video services.
  • VOIP voice over IP
  • IPTV Internet Protocol Television
  • VOIP and IPTV services are operated on the network side by physical or logical private network.
  • services are obtained through specific terminals, such as VOIP phones, set top boxes (STBs), etc.
  • STBs set top boxes
  • the access port on the gateway performs service differentiation.
  • service quality the service quality of different services according to the definition (Quality of Service, Qos) Level and bandwidth guarantees are scheduled.
  • the development speed of the Internet far exceeds the development speed of the telecommunication network, and Internet-based applications are emerging one after another, such as Internet video sharing, video on demand, Internet telephony, P2P file sharing, and instant messaging. It is foreseeable that Internet-based flexibility and scalability will be increasingly supported by the Internet. These applications, especially multimedia applications, have higher requirements for bandwidth and QoS. For example, some video-on-demand websites attract a large number of users to watch videos online, and users hope to obtain more stable effects and experiences. The current approach to the use of extensive and best-effort services for Internet data services clearly does not meet the needs of users.
  • FIG. 1 is a schematic structural diagram of a triple play system in the prior art, taking DSL access as an example.
  • a Digital Subscriber Line Access Multiplexer (DSLAM) and a Broadband Remote Access Server (BRAS) define different virtual local area networks according to the type of service (Virtual Local Area Network (VLAN), specifically, the Internet data service is divided into one VLAN, one VLAN of the VOIP service, one VLAN of the multicast service in the video, one VLAN of the on-demand service, and the service traffic is isolated in this way; the home gateway (Home Gateway) (HG) and DSLAM also divide different permanent virtual channels (PVCs) according to service types; HG differentiates services according to different terminal access ports, such as computers, IPTV set-top boxes, and VOIP phone access ports.
  • VLAN Virtual Local Area Network
  • HG home gateway
  • PVCs permanent virtual channels
  • the traffic is forwarded to the DSLAM through different PVCs.
  • the DSLAM maps the traffic from different PVCs to different VLANs and forwards them to the BRAS.
  • the bandwidth and QoS priority of different PVCs and VLANs are pre-planned.
  • both the BRAS and the HG judge the service type through the port of the data traffic, and then perform scheduling and forwarding through different forwarding channels (such as PVC and VLAN),
  • the service data is deeply divided and processed, which cannot meet the user's business requirements, and the service quality is low.
  • the embodiments of the present invention provide a data processing method, a broadband network gateway, a policy controller, and an access device, which are used to solve the defect that the service type is determined only by the port of the data traffic in the prior art, and the service quality is low.
  • In-depth detection of user service data prioritizes part of traffic through the planned service channel to improve service quality.
  • the embodiment of the invention provides a data processing method, including:
  • the embodiment of the invention provides a broadband network gateway, including:
  • a first receiving module configured to receive data and determine a user to which the data belongs
  • a determining module configured to determine, according to data processing policy information of the user to which the data belongs, whether to perform deep packet detection on the data
  • a detecting module configured to perform deep packet inspection on the data according to the indication of the determining module, to obtain a service type of each data stream in the data;
  • a table management module configured to identify, according to the data processing policy information and a service type of each data stream in the data, a data flow in which the service type in the data is the same as the value-added service type subscribed by the user;
  • a forwarding module configured to perform scheduling and forwarding on the data flow identified by the table management module.
  • the embodiment of the invention provides a policy controller, including:
  • a first sending module configured to send user service policy information to the broadband network gateway, where
  • the service policy information of the user includes the service type information of the value-added service subscribed by the user and the corresponding processing policy;
  • a second receiving module configured to receive service type information of each data stream in the data obtained by performing deep packet detection processing on the data sent by the broadband network gateway.
  • An embodiment of the present invention provides an access device, including:
  • a third receiving module configured to receive data
  • a second sending module configured to forward the data to a preset value-added service channel according to the control information, where the control information is used to indicate that the access device compares data corresponding to the value-added service subscribed by the user,
  • the preset value-added service channel is forwarded.
  • FIG. 1 is a schematic structural diagram of a triple play system in the prior art
  • FIG. 2 is a schematic structural diagram of an embodiment of a data processing system according to the present invention.
  • FIG. 3 is a flow chart of an embodiment of a data processing method according to the present invention.
  • Embodiment 4 is a schematic structural diagram of Embodiment 1 of a broadband network gateway according to the present invention.
  • Embodiment 2 of a broadband network gateway according to the present invention is a schematic structural diagram of Embodiment 2 of a broadband network gateway according to the present invention.
  • FIG. 6 is a schematic structural diagram of an embodiment of a policy controller according to the present invention.
  • FIG. 7 is a schematic structural diagram of an embodiment of an access device according to the present invention. detailed description
  • FIG. 2 is a schematic structural diagram of an embodiment of a data processing system according to the present invention.
  • a plurality of user terminals for performing different services such as a computer, an IPTV set-top box, and a VOIP, are shown in FIG.
  • the telephone is connected to the HG, and the HG is an access interface for the data traffic that the user terminal interacts with the network; the HG is connected to the DSLAM, and one or more deep packet inspections are established between the HG and the DSLAM according to different service types (deep packet inspection, DPI) Value-added service PVC; DSLAM is connected to Broadband Network Gateway (BNG), and one or more DPI value-added service VLANs are established between DSLAM and BNG. Each value-added service can use one VLAN or more. The value-added service uses a single VLAN.
  • DPI deep packet inspection
  • the Internet data service is divided into one VLAN, the VOIP service is a VLAN, the video is a multicast service, and the on-demand service is a VLAN.
  • service traffic is isolated.
  • BNG is the network exit. Data interaction with the network side, adding a service-aware functional module on the BNG, so that the BNG has the ability to analyze the content of the network data traffic, and to sense the services and applications of the bearer.
  • a value-added service channel is planned between the network egress BNG and the user terminal egress HG.
  • the value-added service data is preferentially scheduled to improve service quality.
  • the operator can release the DPI value-added service through the service platform.
  • the value-added service can be classified according to the service-aware capability of the DPI device, and the identifiable one or more application types are preferentially scheduled as a type of value-added service, such as a network flow.
  • Media acceleration, online game acceleration, voice acceleration, and more Users can subscribe to such value-added services through the login operator portal, and operators can set flexible tariff standards for value-added services.
  • the user logs in to the service platform and selects the DPI value-added service.
  • the service platform delivers the value-added service information subscribed by the user to the control platform.
  • the policy controller in the control platform dynamically generates the DPI service policy, that is, the user service policy information according to the user's selection, and the user service policy.
  • the information includes the service type of the value-added service subscribed by the user and the corresponding processing policy.
  • the processing policy is to instruct the BNG to perform DPI detection on the service data subscribed by the user, and deliver the user service policy information to the BNG to indicate the specific user. Internet data performs DPI detection.
  • the DPI service policy can be proactively delivered to the corresponding BNG by the policy controller, or can be detected by the BNG when the user first goes online.
  • the user goes online and actively obtains the user's DPI service policy from the policy controller.
  • the BNG Based on the DPI service policy of the user, the BNG performs DPI detection on the high speed internet (HIS) data stream of the user who subscribes to the DPI value-added service, marks the value-added service data stream, and schedules forwarding through the specified DPI VLAN.
  • the HSI data is still forwarded through the HSI VLAN.
  • the DPI PVC corresponding to the DPI VLAN of the forwarding channel is pre-planned and then sent to the user terminal.
  • the DPI module in the BNG can also report the detection result to the control platform.
  • the policy controller policy controller
  • ITMS terminal management control system
  • ACL dynamic access control list
  • Step 100 Receive data, and determine, according to data processing policy information of a user to which the data belongs, whether the data needs to be deepened. Packet detection; If deep packet inspection is required on the data, step 101 is performed, otherwise the data is processed according to techniques well known in the art.
  • the BNG After receiving the data, the BNG first determines which user the data belongs to, and can judge according to the IP address of the data or the media access control (MAC) address, etc., which can identify the identity of the user; After the data belongs to which user, the data processing policy information of the user is searched, and according to the data processing policy information, it is determined whether DPI detection needs to be performed on the received data.
  • the data processing policy information includes two information tables, which are respectively users.
  • the service policy information and the data flow state information wherein the user service policy information records the value-added service information subscribed by the user, and the data flow state information records the service type and related information of each data flow flowing through the BNG.
  • the two conditions should be met at the same time, that is, the record of the service type of the data flow in the data flow state information is unknown, and the user service policy information records that the user has subscribed to the value added.
  • the data received by BNG this time is new data for BNG, here
  • the other data streams related to the data are not received before, so there is no service type record related to the data stream in the data flow state information; in addition, the user must be subscribed to the user of the value-added service of a certain service type, The judgment is made based on the above trigger conditions.
  • Step 101 Perform deep packet inspection on the data, and obtain a service type of each data stream in the data.
  • the BNG sends the received data to the DPI module for DPI detection, and performs deep packet inspection processing on the data.
  • the operator can sense the services carried in the data stream.
  • the DPI can detect the payload of the network data packet, thereby identifying the service type of the data stream, and then achieving network traffic control. purpose. Through the depth detection of the data payload, the service type information of each data stream in the data can be obtained.
  • Step 102 Identify, according to the data processing policy information and the service type of each data stream in the data, a data flow in which the service type in the data is the same as the value-added service type subscribed by the user;
  • the BNG After detecting the service type of each data stream in the data, the BNG first searches for the value-added service type subscribed by the user in the user service policy information, and compares the service types of the data streams with the same value-added service type that the user subscribes to. If the type is the same, the data flow in the data type is the same as the value-added service type subscribed by the user, and the data flow state information is the same as the value-added service type subscribed by the user.
  • the service type is marked as "value added service”; for the data flow in which other service types in the data do not match the value-added service type subscribed by the user, the service type table of the data flow is marked as "non-value added service" in the data flow status information.
  • the user subscribes to the value-added service related to "network game acceleration", and the user service policy information of the user sent to the BNG under the network will record information that the user has subscribed to the value-added service whose service type is "network game”.
  • the BNG receives the data and performs DPI detection on it, it obtains the service type of each data stream in the data, for example Including the "online game” service type and the "video call” service type; then, the BNG compares the user's business policy information with the service type of the "network game” data stream in the data flow status information as "value added service", which will be related
  • the service type of the "video call” data stream is marked as "non-value added service” for subsequent use in forwarding data.
  • Step 103 Perform scheduling and forwarding on the identified data flow.
  • the BNG After the BNG updates the data flow state information, after performing the operation of identifying the data flow with the same service type as the value-added service type subscribed by the user in step 102, the BNG is forwarded according to the data flow state information.
  • the data flow status information is not only marked with the service type of the data stream, but also related information for forwarding the destination address of each data stream.
  • the data flow of the value-added service type will be forwarded through the preset value-added service channel, and the data flow of the non-value-added service type will be forwarded through the original forwarding channel.
  • the data flow corresponding to the value-added service subscribed by the user is scheduled to be forwarded through a preset value-added service channel; if the data is uplink data, the data is identified.
  • the data flow corresponding to the value-added service subscribed by the user is preferentially scheduled and forwarded.
  • the preset value-added service channel is a value-added service channel that meets the planned Qos indicator in a static or dynamic manner on the data transmission path device before receiving the processed data.
  • the uplink data refers to data flowing from the user terminal to the Internet
  • the downlink data refers to data sent from the Internet to the user terminal.
  • the value-added service channels include DPI VLAN between BNG and DSLAM and DPI PVC between DSLAM and HG, with a certain identification tag.
  • the data is forwarded to the DSLAM through which DPI VLAN, and then which DPI PVC is forwarded to the HG, which has been set.
  • the BNG sets the identification tag for the value-added service data
  • the data can be sent through the set value-added service channel. Go to the user terminal.
  • the scheduling forwarding process is: the BNG forwards the downlink data to the digital subscriber line access multiplexer DSLAM according to the identification tag, and the DFM VLAN corresponding to the identification tag; the DSLAM is configured according to the identification label, Forwarding the downlink data to the home gateway through a DPI PVC corresponding to the identification tag
  • the HG sends the downlink data to a user terminal.
  • the BNG can also tag the data packets of the value-added service with different "DPI VLAN TAG", and then forward the user data to the corresponding DSLAM through the corresponding DPI VLAN priority scheduling according to the data flow state information; the DSLAM is mapped according to the "DPI VLAN TAG" DPI PVC, HG performs priority scheduling according to DPI PVC.
  • the BNG After marking the service data subscribed to by the user, the BNG forwards the data to the user terminal according to the pre-planned value-added service channel.
  • the method provided in this embodiment also has the following situation: when there is no data flow corresponding to the value-added service in the data received by the BNG, the data is directly forwarded through the channel of the normal service data; and, when passing through the BNG The data received, the data flow status information is searched, and the service type of each data stream is known. The DPI detection is not required, and the data flow corresponding to the value-added service can be directly forwarded through the preset channel.
  • the user service policy information when the BNG performs deep packet detection on the data flowing through the BNG, the user service policy information is used, and the user service policy information may be actively sent by the policy controller to the corresponding BNG. It is received by the BNG. When the BNG detects that the user is online for the first time, the BNG actively obtains the user service policy information from the policy controller.
  • the service platform divides the value-added service according to the DPI detection capability of the BNG, and prioritizes the identifiable one or more application types as a type of value-added service, such as network streaming acceleration, network game acceleration, and voice acceleration.
  • the supported value-added services are released to users; users can subscribe to such value-added services through the login portal.
  • the control platform generates the user service policy information according to the subscription information of the user, and sends the information to the BNG, which is used to instruct the BNG to perform priority scheduling processing on the value-added service data of the specific user.
  • the BNG After performing the DPI detection on the data, the BNG also reports the detection result to the control platform. Specifically, the BNG sends the detection result information of the deep packet detection processing to the data to the control platform, where the result information includes each data. Traffic type information of the data stream; the control platform sends a control letter to the HG and/or the DSLAM according to the detection result information The control information is used to indicate that the HG and/or the DSLAM will forward data corresponding to the value-added service subscribed by the user, by using the set value-added service channel.
  • the policy controller or the terminal management control system or other management control system in the control platform sends dynamic control information to the HG and/or the DSLAM, such as a dynamic ACL, indicating that the HG and/or the DSLAM are added to the value-added service.
  • the data stream is forwarded through the corresponding value-added service channel.
  • the HG and/or the DSLAM forwarding the data through the set value-added service channel according to the control information includes: sending, by the HG, the data to the DPI PVC in the value-added service channel, to the The DSLAM; and/or the DSLAM transmits the uplink data to the broadband network gateway BNG through the DPI VLAN in the value-added service channel.
  • the data is mapped to the DPI PVC/VLAN according to the control information sent by the policy controller on the HG and/or the DSLAM, depending on whether the HG and/or DSLAM support the dynamic ACL configuration and matching delivered by the policy controller, if HG and DSLAM Neither can support this dynamic configuration and matching, then the data stream reaches the BNG through the HIS VLAN, and then the BNG sends the data to the network.
  • the data processing method provided by the embodiment of the present invention provides a value-added service solution for network applications, and provides a method for identifying and managing Internet traffic. Partial traffic is preferentially scheduled through the planned value-added service channel; operators can carry out value-added services and obtain high returns based on this, and users can obtain higher service quality.
  • the data processing method of the value-added service provided by this embodiment is not limited to the Internet application, and may also be planned, segmented, and operated according to requirements for other network service traffic.
  • the network gateway includes a first receiving module 11, a determining module 12, a detecting module 13, a table management module 14, and a forwarding module 15, wherein the first receiving module 11 is configured to receive data and determine a user to which the data belongs; Determining whether the deep data check needs to be performed on the data according to the data processing policy information of the user to which the data belongs, and notifying the detecting module 13 when the deep data check needs to be performed on the data; Performing deep packet detection on the data to obtain a service type of each data stream in the data; the table management module 14 is configured to: according to the data processing policy information and the service type of each data stream in the data, The data stream in the data is identified by the same data type as the value-added service type subscribed by the user.
  • the forwarding module 15 is configured to perform scheduling and forwarding on the identified data stream.
  • the first receiving module 11 determines, according to the received data packet, which user belongs to the user, which may be determined according to the information such as the IP address or the MAC address of the data packet that can identify the identity of the user; After learning which user the data belongs to, the data is sent to the judging module 12, and the judging module 12 judges whether DPI detection is needed for the data, and DPI detection is required when the following two conditions are met simultaneously, the condition is
  • the record of the service type of the data flow in the data flow state information is unknown, and the user service policy information records that the user has subscribed to the value-added service, wherein the data flow state information and the user service policy information constitute the user's data processing strategy. information.
  • the data is sent to the detection module 13 according to the processing policy corresponding to the value-added service type subscribed by the user in the user service policy information, and the DPI is detected by the detection module 13 to obtain the DPI detection.
  • the service type of each data stream in the data; and then the data flow state information is updated by the table management module 14, that is, the data flow in the data type is the same as the value-added service type subscribed by the user, and the table management is performed.
  • the module 14 is responsible for storing and managing the data flow state information and the user policy information, and the data processing policy information of the user used by the determining module 12 and the forwarding module 15 for processing the data is obtained from the table management module 14;
  • the user service policy information stored in the module 14 can also be received by the first receiving module 11 and stored in the table management module 14, where the user service policy information includes the user subscription.
  • Business type information of value-added services are responsible for storing and managing the data flow state information and the user policy information, and the data processing policy information of the user used by the determining module 12 and the forwarding module 15 for processing the data is obtained from the table management module 14;
  • the user service policy information stored in the module 14 can also be received by the first receiving module 11 and stored in the table management module 14, where the user service policy information includes the user subscription.
  • Business type information of value-added services are examples of value-added services.
  • the forwarding module 15 forwards the data, and specifically, for the downlink data, the data corresponding to the value-added service is forwarded through the preset value-added service channel according to the updated data flow state information, and the data of the non-value-added service is passed through Channel forwarding; for uplink data, the preferred scheduling and forwarding of value-added service data.
  • the scheduling and forwarding process is that the BNG forwards the data to the DSLAM through the planned DPI VLAN, and then the data is sent by the DSLAM to the HG through the DPI PVC corresponding to the DPI VLAN, and then the data is sent by the HG.
  • the scheduling and forwarding process is that the BNG forwards the data to the DSLAM through the planned DPI VLAN, and then the data is sent by the DSLAM to the HG through the DPI PVC corresponding to the DPI VLAN, and then the data is sent by the HG.
  • the scheduling and forwarding process is that the BNG forwards the data to the DSLAM
  • the broadband network gateway includes a first receiving module 11, a determining module 12, a detecting module 13, and a table management module.
  • the determining module 12 includes a first determining sub-module 121 and a second determining sub-module 122, where the first determining sub-module 121 is configured to determine, according to the data flow state information in the data processing policy information, Whether the service type of each data stream in the data is unknown; the second determining sub-module 122 is configured to determine, according to the user service policy information in the data processing policy information, whether the user subscribes to the value-added service.
  • the judging module 12 judges whether the trigger condition for performing DPI detection is met by the two function sub-modules.
  • the reporting module 16 is configured to send, to the control platform, service type information of each data stream in the data obtained by performing deep packet detection processing on the data, and the broadband network gateway may perform the deep packet inspection on the data, and the reporting module 16 may The test result information is sent out.
  • the first receiving module 11 is further configured to receive the uplink data sent from the DSLAM;
  • the broadband network gateway provided in this embodiment can identify and manage the traffic of the Internet, and prioritize some traffic through the planned value-added service channel.
  • the operator can carry out value-added services according to this, improve revenue, and improve service quality.
  • FIG. 6 is a schematic structural diagram of an embodiment of a policy controller according to the present invention.
  • the policy controller includes a first sending module 21 and a second receiving module 22, where the first sending module 21 is configured to send a user to a broadband network gateway.
  • Business policy information where the user service policy information includes a user The service type information of the subscribed value-added service and the corresponding processing policy; the second receiving module 22 is configured to receive the service of each data stream in the data obtained by performing the deep packet detection process on the data sent by the broadband network gateway Type information.
  • the policy controller generates the user service policy information according to the user subscription information, where the user service policy information records the service type information of the value-added service subscribed by the user, indicating which users subscribe to which value-added services, and the service type corresponding to the service type.
  • the processing policy is to instruct the BNG to perform DPI detection on the service data subscribed by the user; and then send the user service policy information to the BNG through the first sending module 21; after the BNG performs DPI detection on the data, the detection result is reported by the BNG.
  • the receiving module 22 is responsible for receiving and generating control information for the HG and/or DSLAM, and transmitting the control information to the HG and/or the DSLAM through the first sending module 21, and the first sending module 21 sends control information to the HG and/or the DSLAM,
  • the control information is used to indicate that the data corresponding to the value-added service subscribed by the user by the HG and/or the DSLAM is forwarded through the preset value-added service channel.
  • the policy controller provided in this embodiment can generate the deep packet detection service policy information according to the service sensing capability of the hardware device and the subscription information of the user, and send the information to the BNG, instructing the BNG to perform priority scheduling processing on the specific data of the specific user, and satisfy the BNG.
  • the business needs of users improve the quality of business services.
  • FIG. 7 is a schematic structural diagram of an embodiment of an access device according to the present invention.
  • the access device includes a third receiving module 31 and a second sending module 32, where the third receiving module 31 is configured to receive data;
  • the module 32 is configured to forward the data to the preset value-added service channel according to the control information, where the control information is used to indicate that the access device compares data corresponding to the value-added service subscribed by the user, by using a preset Value-added service channels are forwarded.
  • the access device may be a home gateway or a digital subscriber line access multiplexer. If the access device is a home gateway, the third receiving module 31 receives data, and the second sending module 32 is used for root subscriber line access. Multiplexer DSLAM. If the access device is a digital subscriber line access multiplexer, then The receiving module 31 receives the data, and the second sending module 32 is configured to: according to the control information, enable the access device provided by the foregoing embodiments to perform priority scheduling processing on the value-added service data of the user according to the pre-planned scheduling forwarding policy. To meet the business needs of users and improve the quality of business services.

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  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne, selon des modes de réalisation, un procédé de traitement de données, une passerelle de réseau large bande, un contrôleur de politique et un dispositif d'accès. Le procédé comprend : la réception de données, la détermination selon laquelle il est nécessaire d'effectuer une inspection profonde de paquets sur les données selon les informations de politique de traitement de données de l'utilisateur auquel les données appartiennent; et si tel est le cas, la réalisation d'une inspection profonde de paquets sur les données, l'acquisition du type de service de chaque flux de données dans les données; l'identification du flux de données dans les données, le type de service du flux de données étant identique au type de service à valeur ajoutée auquel l'utilisateur s'abonne, selon les informations de politique de traitement de données et le type de service de chaque flux de données dans les données; la programmation et le transfert du flux de données identifié. Les modes de réalisation de la présente invention décrivent un procédé d'inspection profonde de paquets sur le flux de l'application Internet selon la politique de service d'inspection profonde de paquets, une subdivision et une identification des données de service, et de préférence, la programmation d'une partie du flux à travers le canal de service planifié, permettant ainsi d'améliorer la qualité de service de trafic.
PCT/CN2009/071456 2008-06-04 2009-04-24 Procédé de traitement de données, passerelle de réseau large bande, contrôleur de politique et dispositif d'accès Ceased WO2009146621A1 (fr)

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