WO2017080422A1 - Procédé et dispositif de gestion de qos - Google Patents

Procédé et dispositif de gestion de qos Download PDF

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Publication number
WO2017080422A1
WO2017080422A1 PCT/CN2016/104906 CN2016104906W WO2017080422A1 WO 2017080422 A1 WO2017080422 A1 WO 2017080422A1 CN 2016104906 W CN2016104906 W CN 2016104906W WO 2017080422 A1 WO2017080422 A1 WO 2017080422A1
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WO
WIPO (PCT)
Prior art keywords
qos
user
parameter information
qos parameter
service
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PCT/CN2016/104906
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English (en)
Chinese (zh)
Inventor
陶峑郡
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中兴通讯股份有限公司
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Publication of WO2017080422A1 publication Critical patent/WO2017080422A1/fr

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    • 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
    • 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
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/805—QOS or priority aware

Definitions

  • the present invention relates to the field of mobile communications technologies, and in particular, to a QoS (Quality of Service) management method and apparatus.
  • QoS Quality of Service
  • 5G networks need to provide users with an always-on experience and meet more high-value scenarios such as industrial control, emergency communications and more. This aspect requires further reduction in user face delay and control plane delay, which is 5-10 times shorter than 4G, reaching the limit of human response such as 5ms (tactile response) and providing a true always-on experience.
  • 5ms tacile response
  • the existing 4G evolved Evolved Packet System (EPS) QoS (Quality of Service) management architecture as shown in Figure 1:
  • the existing quality (QoS) management control is mainly composed of nodes such as terminals, base stations, and packet gateways. Controlling, the QoS parameters signed by the user are transmitted by the control network element Mobility Management Entity (MME) to the terminal, the base station, and the packet gateway through control plane signaling.
  • MME Mobility Management Entity
  • the UE, the base station, and the packet gateway forwarding plane device need to establish a bearer connection and save the state information of the bearer, which increases the complexity of the forwarding device and may eventually affect the forwarding performance of the forwarding device.
  • the technical problem to be solved by the embodiments of the present invention is to provide a QoS management method and apparatus to implement an end-to-end QoS guarantee service.
  • the present invention provides a method for QoS parameter management, including:
  • the request message for obtaining the QoS parameter information of the current service of the user is sent to the user QoS data storage network element;
  • the foregoing method further has the following feature: the determining that the QoS service needs to be triggered is implemented according to the following conditions:
  • the above method also has the following features:
  • the request message includes one or more of the following: a user identity identifier, a terminal type parameter, and an initiated service type parameter;
  • the QoS parameter information includes one or more of the following: packet delay, transmission jitter, maximum guaranteed bandwidth, guaranteed bandwidth, priority, link level, and service chain identifier.
  • the embodiment of the present invention further provides an apparatus for managing QoS parameters, including:
  • a determining module configured to send a request message for acquiring a QoS parameter information of a current service of the user to the user QoS data storage network element when the QoS service is triggered to be triggered;
  • the processing module is configured to: after receiving the QoS parameter information returned by the user QoS data storage network element, select a transmission link for the user according to the QoS parameter information, and encapsulate the QoS parameter information in the packet, where the The message is passed to the policy enforcement monitoring point.
  • the above device also has the following features:
  • the determining module determines that the QoS service to be triggered is implemented according to the following conditions: receiving the packet sent by the user, analyzing the type of the user equipment and the service initiated by the current user, if the QoS parameter service needs to be delivered, and Valid current user QoS data.
  • the above device also has the following features:
  • the device is an access network element, a terminal, a marginal gateway or a server.
  • the embodiment of the present invention further provides a method for QoS parameter management, including:
  • the policy execution monitoring point After receiving the packet, the policy execution monitoring point obtains the QoS parameter information in the packet.
  • the foregoing method further has the following feature: after the obtaining the QoS parameter information in the packet, the method further includes:
  • the network management network element is notified to perform network optimization.
  • the embodiment of the present invention further provides a policy execution monitoring point, which includes:
  • the processing module is configured to delete the QoS parameter information in the packet, or forward the packet to the policy execution monitoring point of the last hop, and delete the packet by the policy execution monitoring point of the last hop QoS parameter information.
  • the foregoing policy execution monitoring point further has the following features:
  • the processing module is further configured to notify the network management network element to perform network optimization when the current device and the link do not meet the service QoS requirement according to the QoS parameter information.
  • the embodiment of the present invention further provides a method for managing QoS parameters, which is applied to a network element storing user QoS data, including:
  • the QoS parameter information of the current service of the user is sent to the device that sends the request message.
  • the above method also has the following features:
  • the QoS parameter information includes one or more of the following: packet delay, transmission jitter, maximum guaranteed bandwidth, guaranteed bandwidth, priority, link level, and service chain identifier.
  • the present invention further provides a network element, where a user QoS data storage is stored, where the method includes:
  • a receiving module configured to receive a request message for acquiring QoS parameter information of a current service of the user
  • the sending module is configured to send the QoS parameter information of the current service of the user to the device that sends the request message.
  • a storage medium is also provided.
  • the storage medium is arranged to store program code for performing the following steps:
  • the storage medium is further arranged to store program code for performing the following steps:
  • the embodiments of the present invention provide a QoS management method and apparatus, which can implement an end-to-end QoS guarantee service.
  • FIG. 1 is a structural diagram of a prior art 4G EPS QoS management
  • FIG. 2 is a flowchart of a method for QoS management according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for applying QoS management to a Policy Enforcement & Monitoring Point (PEMP) according to an embodiment of the present invention
  • Embodiment 1 of the present invention is a structural diagram of Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 2 of the present invention.
  • FIG. 6 is a flowchart of a method for managing QoS parameters of an uplink data packet according to Embodiment 1 of the present invention.
  • FIG. 7 is a flowchart of a method for managing QoS parameters of downlink data packets according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram of an apparatus for managing QoS parameters according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a PEMP according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a network element according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for QoS parameter management according to an embodiment of the present invention. As shown in FIG. 2, the method in this embodiment includes:
  • Step 11 When it is determined that the QoS service needs to be triggered, the request message for obtaining the QoS parameter information of the current service of the user is sent to the user QoS data storage network element.
  • Step 12 After receiving the QoS parameter information returned by the user QoS data storage network element, select a transmission link for the user according to the QoS parameter information, and encapsulate the QoS parameter information in the packet, and the packet is sent. Passed to the Policy Enforcement & Monitor Point (PEMP).
  • PEMP Policy Enforcement & Monitor Point
  • the execution body of the method of this embodiment may be an access network element, or a terminal, or a marginal gateway, or a server.
  • FIG. 3 is a flowchart of a method for QoS parameter management applied to PEMP according to an embodiment of the present invention. As shown in FIG. 3, the method in this embodiment includes:
  • Step 21 After receiving the packet, the PEMP obtains the QoS parameter information in the packet.
  • Step 22 Delete the QoS parameter information in the packet, or forward the packet to the PEMP of the last hop, and delete the QoS parameter information in the packet by the PEMP of the last hop.
  • FIG. 4 is a structural diagram of Embodiment 1 of the present invention.
  • the architecture of this embodiment includes:
  • Access network element It is mainly responsible for obtaining QoS parameter information from the user QoS data storage network element when the user initiates the uplink service, and reserves bandwidth for the QoS information and the accessed service subscribed by the user, and inserts the user QoS into the packet. Parameter information, and select a QoS path for it, and forward the packet to PEMP;
  • the marginal gateway is responsible for obtaining the QoS parameter information from the user QoS data storage network element, and reserving the bandwidth according to the QoS information and service subscribed by the user, and selecting the QoS path to forward the packet to the PEMP;
  • the PEMP is responsible for detecting whether the path meets the QoS requirements according to the QoS information in the packet.
  • the network management network element is alerted, and the last hop PEMP deletes the QoS parameter information in the packet.
  • FIG. 5 is a structural diagram of Embodiment 2 of the present invention.
  • the user equipment and/or the external server in this embodiment directly obtain QoS parameter information directly from the user QoS data storage network element. among them:
  • User equipment It is mainly responsible for obtaining QoS parameter information from the user QoS data storage network element when the user initiates the uplink service, and reserves bandwidth for the QoS information and the accessed service subscribed to by the user, and inserts the user QoS parameter information into the message. And select a QoS path for it, and forward the packet to PEMP;
  • the QoS parameter information is obtained from the user QoS data storage network element, and the bandwidth is reserved according to the QoS information and service subscribed by the user, and the QoS path is selected, and the packet is forwarded to the PEMP.
  • the PEMP is responsible for detecting whether the path meets the QoS requirements according to the QoS information in the packet.
  • the network management network element is alerted, and the last hop PEMP deletes the QoS parameter information in the packet.
  • FIG. 6 is a flowchart of a method for managing QoS parameters of an uplink data packet according to Embodiment 1 of the present invention, including the following steps:
  • Step 601 The access network element receives the uplink packet sent by the user, analyzes the user equipment type and the service initiated by the current user, and if it determines that the QoS parameter service or user type needs to be delivered, and does not have valid current user QoS data, initiates Step 602;
  • the access network element behavior may be performed by a user equipment.
  • Step 602 The access network element or the user equipment sends a request for acquiring the QoS parameter information of the current service of the user to the user QoS data storage network element, where the request carries the user identity identifier (such as the user source IP address, or the user MSISDN (Mobile Station Integrated Services Digital)
  • the network Dumber, the mobile station integrated service digital network number, etc.), the terminal type parameter, and the initiated service type parameter are not limited to the above parameters, and may also be one of the parameters.
  • the user QoS data storage network element selects the QoS parameter information for signing according to the user's identity and other parameter information, such as the user initiated service type, and the QoS parameter information may include but is not limited to the following:
  • Packet delay Packet delay, transmission jitter, maximum guaranteed bandwidth, guaranteed bandwidth, priority information, link level, service chain identity and other information.
  • the user QoS data storage network element returns the required QoS information of the current service to the access network element or the user equipment.
  • Step 603 The access network element or the user equipment selects a suitable transmission link for the user according to the QoS parameter of the user, and encapsulates the QoS parameter information in the packet, and delivers the packet to the next hop PEMP.
  • Step 604 The PEMP obtains the QoS parameter information in the packet, and further determines whether the current device and the link meet the service QoS requirement. If not, go to step 605. Otherwise, the process directly passes to step 606. If the PEMP is the last hop. PEMP deletes the QoS parameter information in the packet directly.
  • step 605 the network management device is notified to optimize the network, and then the process proceeds to step 606. If the PEMP is the last hop PEMP, the QoS parameter information in the packet is directly deleted.
  • the network management device re-updates the link routing path.
  • the PEMP sends the data packet to the last hop PEMP.
  • the last hop PEMP is responsible for deleting the QoS parameter information in the packet and transmitting the packet to the external server.
  • FIG. 7 is a flowchart of a method for managing QoS parameters of downlink data packets according to Embodiment 2 of the present invention, including the following steps:
  • Step 701 The external server delivers the packet to the ingress PEMP.
  • the ingress PEMP determines the user type and the current service type. If the QoS service needs to be triggered, the packet is forwarded to the edge gateway.
  • Step 702 The marginal gateway sends a request for acquiring the QoS parameter information of the current service of the user to the user QoS data storage network element, where the request carries the user identity identifier (such as the user source IP address, or the user MSISDN (Mobile Station Integrated Services Digital network Dumber)
  • the integrated service digital network number such as the user source IP address, or the user MSISDN (Mobile Station Integrated Services Digital network Dumber)
  • the integrated service digital network number the terminal type parameter, and the initiated service type parameter are not limited to the above parameters, and may also be one of the parameters.
  • the user QoS data storage network element selects the QoS parameter information for signing according to the user's identity and other parameter information, such as the user initiated service type, and the QoS parameter information may include but is not limited to the following:
  • Packet delay Packet delay, transmission jitter, maximum guaranteed bandwidth, guaranteed bandwidth, priority information, link level, service chain identity and other information.
  • the user QoS data storage network element returns the required QoS information of the current service to the marginal network element or the user equipment.
  • Step 703 The marginal gateway selects a suitable transmission link for the user according to the QoS parameter of the user, and encapsulates the QoS parameter information in the packet, and delivers the packet to the next hop PEMP.
  • Step 704 The PEMP obtains the QoS parameter information in the packet, and further determines whether the current device and the link meet the service QoS request. If not, go to step 705, otherwise pass to The last hop PEMP deletes the QoS parameter information in the packet by the last hop PEMP.
  • Step 705 Optimize the network by notifying the network management network element.
  • the network management network element re-updates the link routing path.
  • FIG. 8 is a schematic diagram of an apparatus for managing QoS parameters according to an embodiment of the present invention. As shown in FIG. 8, the apparatus in this embodiment includes:
  • the determining module 81 is configured to: when determining that the QoS service needs to be triggered, send a request message for acquiring the QoS parameter information of the current service of the user to the user QoS data storage network element;
  • the processing module 82 is configured to: after receiving the QoS parameter information returned by the user QoS data storage network element, select a transmission link for the user according to the QoS parameter information, and encapsulate the QoS parameter information in the packet, The message is passed to the policy enforcement monitoring point.
  • the determining module 81 determining that the QoS service needs to be triggered, may include: receiving the packet sent by the user, analyzing the type of the user equipment, and the service initiated by the current user, if it is determined that the QoS parameter needs to be transmitted. If the service or user type does not have valid current user QoS data, it is determined that the QoS service needs to be triggered.
  • the device may be an access network element, a terminal, a marginal gateway, or a server.
  • FIG. 9 is a schematic diagram of a PEMP according to an embodiment of the present invention. As shown in FIG. 9, the PEMP of this embodiment includes:
  • the obtaining module 91 is configured to: after receiving the packet, obtain QoS parameter information in the packet;
  • the processing module 92 is configured to delete the QoS parameter information in the packet, or forward the packet to the policy execution monitoring point of the last hop, and delete the packet by the policy execution monitoring point of the last hop QoS parameter information in .
  • the processing module 92 is further configured to notify the network management network element to perform network optimization when the current device and the link do not meet the service QoS requirement according to the QoS parameter information.
  • FIG. 10 is a schematic diagram of a network element according to an embodiment of the present invention. As shown in FIG. 10, the network element in this embodiment stores user QoS data, including:
  • the receiving module 101 is configured to receive a request message for acquiring QoS parameter information of a current service of the user.
  • the sending module 102 is configured to send the QoS parameter information of the current service of the user to the device that sends the request message.
  • the request message for acquiring the QoS parameter information of the current service of the user is sent to the user QoS data storage network element; and the user QoS data storage network element is returned.
  • the user selects a transmission link according to the QoS parameter information, encapsulates the QoS parameter information in the packet, and delivers the packet to the policy execution monitoring point.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un dispositif de gestion de QoS. Le procédé comprend les étapes consistant à : lorsqu'il est déterminé qu'un service QoS doit être déclenché et porté, envoyer un message de demande pour acquérir des informations de paramètre de QoS d'un service en cours d'un utilisateur à un élément de réseau de stockage de données de QoS de l'utilisateur ; et après que les informations de paramètre de QoS retournées par l'élément de réseau de stockage de données de QoS de l'utilisateur ont été reçues, sélectionner une liaison de transmission pour l'utilisateur d'après les informations de paramètre de QoS, encapsuler les informations de paramètre de QoS dans un message, et transmettre le message à un point de surveillance d'exécution de stratégie. La présente invention peut réaliser un service de garantie QoS de bout en bout.
PCT/CN2016/104906 2015-11-12 2016-11-07 Procédé et dispositif de gestion de qos WO2017080422A1 (fr)

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CN112073216A (zh) 2018-02-05 2020-12-11 华为技术有限公司 获取链路质量的方法和装置
CN111586642B (zh) * 2019-02-19 2021-12-14 华为技术有限公司 一种通信方法及装置
CN111835577B (zh) * 2019-04-22 2022-06-14 中国移动通信集团福建有限公司 物联网专网质差问题确定的方法、装置和电子设备

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