CN106712989B - QoS management method and device - Google Patents
QoS management method and device Download PDFInfo
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- CN106712989B CN106712989B CN201510770650.9A CN201510770650A CN106712989B CN 106712989 B CN106712989 B CN 106712989B CN 201510770650 A CN201510770650 A CN 201510770650A CN 106712989 B CN106712989 B CN 106712989B
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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
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- 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
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- 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
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Abstract
The invention provides a QoS management method and a device, wherein the method comprises the following steps: when determining that a service carrying QoS needs to be triggered, sending a request message for acquiring QoS parameter information of a current service of a user to a user QoS data storage network element; and after receiving QoS parameter information returned by the user QoS data storage network element, selecting a transmission link for a user according to the QoS parameter information, encapsulating the QoS parameter information in a message, and transmitting the message to a policy execution monitoring point. The invention can realize the end-to-end QoS guarantee service.
Description
Technical Field
The present invention relates to the field of mobile communication technologies, and in particular, to a Quality of Service (QoS) management method and apparatus.
Background
Mobile communication has been rapidly developed in the past 20 years, which has a great influence on the life style, working style, politics and economy of the society. The human society enters into the high-efficiency information era, the business application requirements of all aspects show explosive growth, and great challenges are brought to the frequency, the technology, the operation and other aspects of a wireless mobile bandwidth system in the future. The 5G mobile broadband system becomes a wireless mobile communication system oriented to the social requirements of human information after 2020, is a network with multi-service and multi-technology integration, meets the requirements of continuous development of various services of future extensive data and connection through the evolution and innovation of the technology, and improves the user experience.
With the improvement of the bandwidth and the capability of a wireless mobile communication system, the application of the mobile internet and the internet of things facing to individuals and industries is rapidly developed, and the ecology of the industries related to mobile communication is changed significantly. The wireless mobile communication technology, the computer and the information technology can be more closely and deeply crossed and fused, the integrated circuit, the device technology, the software technology and the like can be continuously and rapidly developed, and the development of the future 5G mobile broadband industry is supported. From a vision analysis of the future 5G in terms of social responsibilities and functions, end users, business applications and network operations, etc., the key capacity requirements of 5G are summarized from a technical point of view as follows:
1000 times of flow increase, and unit area throughput is obviously improvedLifting: based on the recent trend of increasing data traffic in mobile communication networks, the industry predicts that the global total mobile data traffic will be 1000 times of the total mobile data traffic in 2010 by 2020. This requires a 1000-fold increase in throughput per unit area, especially in busy hours, and requires 100Gbps/km2The above.
100 times the number of connecting devices: the 5G network user scope is greatly expanded in the future, and with the rapid development of the Internet of things, the number of devices connected in 2020 is expected to reach 500-. This requires a significant increase in the number of devices supported per unit of coverage area, and in some scenarios the number of devices connected via a 5G mobile network per unit area may reach 100 ten thousand/km2And the growth is 100 times compared with that of 4G.
Smaller latency and higher reliability: the 5G network needs to provide a user with an on-line experience at any time and meet the demands of more high-value scenes such as industrial control, emergency communication and the like. This aspect requires further reduction in user plane delay and control plane delay, 5-10 times shorter than 4G, reaching the limits of human response such as 5ms (haptic response), and providing a truly always-on experience. On the other hand, the business of life and important property safety of some relatives requires that the end-to-end reliability is improved to 99.999 percent or even 100 percent.
An existing 4G Evolved Packet System (EPS) QoS (quality of service) management architecture is shown in fig. 1: the existing quality of service (QoS) Management control is mainly controlled by nodes such as a terminal, a base station, and a packet gateway, and a QoS parameter signed by a user is transmitted to the nodes such as the terminal, the base station, and the packet gateway through a control plane signaling by a Mobile Management Entity (MME) of a control network element, which mainly has the following problems:
between the terminal and the server, the end-to-end QoS guarantee service is not really realized, as shown in fig. 1, the transmission network between the base station and the packet gateway, and the gateway and the external server do not realize perfect QoS guarantee;
in addition, in order to implement QoS management, the UE, the base station, and the packet gateway forwarding plane device need to establish bearer connection and store status information of the bearer, which increases the complexity of the forwarding device and may ultimately affect the forwarding performance of the forwarding device.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a QoS management method and apparatus to implement end-to-end QoS guarantee service.
In order to solve the above technical problem, the present invention provides a QoS parameter management method, including:
when determining that a service carrying QoS needs to be triggered, sending a request message for acquiring QoS parameter information of a current service of a user to a user QoS data storage network element;
and after receiving QoS parameter information returned by the user QoS data storage network element, selecting a transmission link for a user according to the QoS parameter information, encapsulating the QoS parameter information in a message, and transmitting the message to a policy execution monitoring point.
Further, the method also has the following characteristics: the determination of the need to trigger the QoS carrying service is implemented according to the following conditions:
and receiving the message sent by the user, and analyzing the type of the user equipment and the service initiated by the current user, if the QoS parameter service needs to be transmitted, and no effective QoS data of the current user exists.
Further, the method also has the following characteristics:
the request message includes one or more of: user identity identification, terminal type parameter and initiated service type parameter;
the QoS parameter information comprises one or more of: message delay, transmission jitter, maximum guaranteed bandwidth, priority, link level, service chain identification.
In order to solve the above problem, the present invention further provides a QoS parameter management apparatus, including:
the determining module is used for sending a request message for acquiring QoS parameter information of the current service of the user to a user QoS data storage network element when the QoS-carrying service is determined to be triggered;
and the processing module is used for selecting a transmission link for a user according to the QoS parameter information after receiving the QoS parameter information returned by the user QoS data storage network element, packaging the QoS parameter information in a message, and transmitting the message to a strategy execution monitoring point.
Further, the device also has the following characteristics:
the determining module determines that the QoS carrying service is required to be triggered according to the following conditions: and receiving the message sent by the user, and analyzing the type of the user equipment and the service initiated by the current user, if the QoS parameter service needs to be transmitted, and no effective QoS data of the current user exists.
Further, the device also has the following characteristics:
the device is an access network element, a terminal, a border gateway or a server.
In order to solve the above problem, the present invention further provides a QoS parameter management method, including:
after receiving a message, a strategy execution monitoring point acquires QoS parameter information in the message;
and deleting the QoS parameter information in the message, or forwarding the message to a last-hop policy execution monitoring point, and deleting the QoS parameter information in the message by the last-hop policy execution monitoring point.
Further, the method also has the following characteristics: after the QoS parameter information in the message is acquired, the method further includes:
and when determining that the current equipment and the link do not meet the service QoS requirement according to the QoS parameter information, informing a network management network element to carry out network optimization.
In order to solve the above problem, the present invention further provides a policy enforcement monitoring point, including:
the acquisition module is used for acquiring QoS parameter information in the message after receiving the message;
and the processing module is used for deleting the QoS parameter information in the message, or forwarding the message to the last-hop policy execution monitoring point, and deleting the QoS parameter information in the message by the last-hop policy execution monitoring point.
Further, the policy execution monitoring point has the following characteristics:
and the processing module is further used for informing a network management network element to perform network optimization when determining that the current equipment and the link do not meet the service QoS requirement according to the QoS parameter information.
In order to solve the above problem, the present invention further provides a QoS parameter management method, applied to a network element storing user QoS data, including:
receiving a request message for acquiring QoS parameter information of a current service of a user;
and sending the QoS parameter information of the current service of the user to the device for sending the request message.
Further, the method also has the following characteristics:
the QoS parameter information comprises one or more of: message delay, transmission jitter, maximum guaranteed bandwidth, priority, link level, service chain identification.
In order to solve the above problem, the present invention further provides a network element storing a user QoS data store, including:
the receiving module is used for receiving a request message for acquiring QoS parameter information of the current service of a user;
and the sending module is used for sending the QoS parameter information of the current service of the user to the device for sending the request message.
In summary, the present invention provides a QoS management method and apparatus, which can implement end-to-end QoS guarantee service.
Drawings
FIG. 1 is an architecture diagram of 4G EPS QoS management of the prior art;
FIG. 2 is a flow chart of a method of QoS management according to an embodiment of the present invention;
fig. 3 is a flowchart of a QoS management method applied to a Policy Enforcement and Monitoring Point (PEMP), according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a first embodiment of the present invention;
FIG. 5 is a schematic diagram of a second embodiment of the present invention;
fig. 6 is a flowchart of a QoS parameter management method for an uplink data packet according to a first embodiment of the present invention;
fig. 7 is a flowchart of a QoS parameter management method for a downlink data packet according to a second embodiment of the present invention;
FIG. 8 is a diagram illustrating an apparatus for QoS parameter management 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.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Fig. 2 is a flowchart of a QoS parameter management method according to an embodiment of the present invention, and as shown in fig. 2, the method according to the embodiment includes:
step 11, when determining that a service carrying QoS needs to be triggered, sending a request message for acquiring QoS parameter information of a current service of a user to a user QoS data storage network element;
The execution subject of the method of this embodiment may be an access network element, or a terminal, or a border gateway, or a server.
Fig. 3 is a flowchart of a QoS parameter management method applied to a PEMP according to an embodiment of the present invention, as shown in fig. 3, the method of the present embodiment includes:
step 21, after receiving the message, the PEMP acquires QoS parameter information in the message;
and step 22, deleting the QoS parameter information in the message, or forwarding the message to the last-hop PEMP, and deleting the QoS parameter information in the message by the last-hop PEMP.
Fig. 4 is an architecture diagram of a first embodiment of the present invention, where the architecture of the present embodiment includes:
accessing a network element: the method mainly takes charge of acquiring QoS parameter information from a user QoS data storage network element when a user initiates an uplink service, reserving bandwidth for the user QoS data storage network element according to the user signed QoS information and the accessed service, inserting the user QoS parameter information into a message, selecting a QoS path for the user QoS parameter information, and forwarding the message to a PEMP;
the marginal gateway is mainly responsible for acquiring QoS parameter information from a user QoS data storage network element when a downlink data message is sent, reserving bandwidth for the user QoS parameter information according to the QoS information and service signed by the user, selecting a QoS path and forwarding the message to the PEMP;
and the PEMP is mainly responsible for detecting whether the path meets the QoS requirement according to the QoS information in the message, alarming to a network management network element when the path quality is reduced, and deleting the QoS parameter information in the message by the PEMP of the last hop.
Fig. 5 is an architecture diagram of a second embodiment of the present invention, and in the architecture of fig. 5, there are no access network element and no border gateway. In this embodiment, the user equipment and/or the external server directly obtain the QoS parameter information from the user QoS data storage network element. Wherein:
the user equipment: the method mainly takes charge of acquiring QoS parameter information from a user QoS data storage network element when a user initiates an uplink service, reserving bandwidth for the user QoS data storage network element according to the user signed QoS information and the accessed service, inserting the user QoS parameter information into a message, selecting a QoS path for the user QoS parameter information, and forwarding the message to a PEMP;
the external server is mainly responsible for acquiring QoS parameter information from a user QoS data storage network element when a downlink data message is sent, reserving bandwidth for the user QoS parameter information according to the QoS information and service signed by the user, selecting a QoS path and forwarding the message to the PEMP;
and the PEMP is mainly responsible for detecting whether the path meets the QoS requirement according to the QoS information in the message, alarming to a network management network element when the path quality is reduced, and deleting the QoS parameter information in the message by the PEMP of the last hop.
Fig. 6 is a flowchart of a method for managing QoS parameters of an uplink data packet according to a first embodiment of the present invention, including the following steps:
601, the access network element receives the uplink message sent by the user, analyzes the user equipment type and the service initiated by the current user, if it is judged that the QoS parameter service or the user type needs to be transmitted and no valid QoS data of the current user exists, then step 602 is initiated;
in the architecture model of fig. 5, 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 obtaining QoS parameter information of the current service of the user to the user QoS data storage network element, where the request carries a user identity (such as a user source IP address, or a user MSISDN (mobile station Integrated Services Digital network number), etc.), a terminal type parameter, and an initiated service type parameter, which is not limited to the above parameters, but may also be one of the parameters.
The user QoS data storage network element selects QoS parameter information for subscription according to the identity of the user and other parameter information, such as the user initiated service type, where the QoS parameter information may include, but is not limited to, the following:
message delay, transmission jitter, maximum guaranteed bandwidth, priority and other information, link level, service chain identification and other information.
And the user QoS data storage network element returns the QoS information required by the current service to the access network element or the user equipment.
Step 603, the access network element or the user equipment selects a proper transmission link for the user according to the QoS parameter of the user, encapsulates the QoS parameter information in the message, and transmits the message to the next hop PEMP.
Step 604, the PEMP obtains the QoS parameter information in the message, and further determines whether the current device and link meet the service QoS requirement, if not, the step 605 is carried out, otherwise, the step 606 is directly carried out, and if the current PEMP is the last hop PEMP, the QoS parameter information in the message is directly deleted.
Step 605, the network management device is notified to optimize the network, and then the process goes to step 606, if the PEMP is the last-hop PEMP, the QoS parameter information in the message is directly deleted.
The network management device re-updates the link routing path.
And step 606, the PEMP sends the data message to the last-hop PEMP, and the last-hop PEMP is responsible for deleting the QoS parameter information in the message and transmitting the message to an external server.
Fig. 7 is a flowchart of a method for managing QoS parameters for downlink data packets according to a second embodiment of the present invention, including the following steps:
step 701, the external server transmits the message to the portal PEMP, and the portal PEMP determines the user type and the current service type, and forwards the message to the border gateway if the QoS-carrying service needs to be triggered.
Step 702, the border gateway sends a request for obtaining QoS parameter information of the current service of the user to a user QoS data storage network element, where the request carries a user identity (such as a user source IP address or a user MSISDN (Mobile station integrated Services Digital network number), a terminal type parameter, and an initiated service type parameter, which is not limited to the above parameters, but may also be one of the parameters.
The user QoS data storage network element selects QoS parameter information for subscription according to the identity of the user and other parameter information, such as the user initiated service type, where the QoS parameter information may include, but is not limited to, the following:
message delay, transmission jitter, maximum guaranteed bandwidth, priority and other information, link level, service chain identification and other information.
And the user QoS data storage network element returns the QoS information required by the current service to the marginal network element or the user equipment.
And 703, selecting a proper transmission link for the user by the marginal gateway according to the QoS parameter of the user, packaging the QoS parameter information in a message, and transmitting the message to the next hop PEMP.
Step 704, the PEMP obtains the QoS parameter information in the message, and further determines whether the current device and link meet the service QoS request, if not, step 705 is performed, otherwise, the current device and link are transferred to the last-hop PEMP, and the QoS parameter information in the message is deleted by the last-hop PEMP.
Step 705, the network management network element is notified to optimize the network.
And the network management network element renews the link routing path.
When the architecture of FIG. 5 is adopted, the actions of steps 701-703 are performed by an external server.
Fig. 8 is a schematic diagram of an apparatus for QoS parameter management according to an embodiment of the present invention, and as shown in fig. 8, the apparatus of the embodiment includes:
a determining module 81, configured to send a request message for acquiring QoS parameter information of a current service of a user to a user QoS data storage network element when it is determined that a QoS-carrying service needs to be triggered;
and 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, encapsulate the QoS parameter information in a message, and transmit the message to a policy enforcement monitoring point.
In a preferred embodiment, the determining module 81 may determine that the QoS carrying service needs to be triggered, including: and receiving the message sent by the user, analyzing the type of the user equipment and the service initiated by the current user, and determining to trigger the carrying QoS service if judging that the QoS parameter service or the user type needs to be transmitted and no effective QoS data of the current user exists.
The device can be an access network element, a terminal, a border gateway or a server.
Fig. 9 is a schematic diagram of a PEMP according to an embodiment of the present invention, and as shown in fig. 9, the PEMP of the embodiment includes:
the acquiring module 91 is configured to acquire QoS parameter information in a message after receiving the message;
and the processing module 92 is configured to delete the QoS parameter information in the message, or forward the message to the policy enforcement monitoring point of the last hop, and delete the QoS parameter information in the message by the policy enforcement monitoring point of the last hop.
In a preferred embodiment, the processing module 92 is further configured to notify a network management network element to perform network optimization when it is determined that 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, and as shown in fig. 10, the network element of this embodiment stores user QoS data, and includes:
a receiving module 101, configured to receive a request message for acquiring QoS parameter information of a current service of a user;
a sending module 102, configured to send QoS parameter information of the current service of the user to the device that sends the request message.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing the relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module/unit in the above embodiments may be implemented in the form of hardware, and may also be implemented in the form of a software functional module. The present invention is not limited to any specific form of combination of hardware and software.
The foregoing is only a preferred embodiment of the present invention, and naturally there are many other embodiments of the present invention, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the scope of the appended claims.
Claims (8)
1. A method of quality of service, QoS, parameter management, comprising:
when determining that a service carrying QoS needs to be triggered, sending a request message for acquiring QoS parameter information of a current service of a user to a user QoS data storage network element;
and after receiving QoS parameter information returned by the user QoS data storage network element, selecting a transmission link for a user according to the QoS parameter information, encapsulating the QoS parameter information in a message, transmitting the message to a policy execution monitoring point, so that the policy execution monitoring point informs a network management network element to perform network optimization when determining that the current equipment and the link do not meet the service QoS requirement according to the QoS parameter information in the process of transmitting the message.
2. The method of claim 1, wherein the determining that QoS traffic is to be triggered is performed according to the following conditions:
and receiving the message sent by the user, and analyzing the type of the user equipment and the service initiated by the current user, if the QoS parameter service needs to be transmitted, and no effective QoS data of the current user exists.
3. The method of claim 1 or 2, wherein:
the request message includes one or more of: user identity identification, terminal type parameter and initiated service type parameter;
the QoS parameter information comprises one or more of: message delay, transmission jitter, maximum guaranteed bandwidth, priority, link level, service chain identification.
4. An apparatus for quality of service (QoS) parameter management, comprising:
the determining module is used for sending a request message for acquiring QoS parameter information of the current service of the user to a user QoS data storage network element when the QoS-carrying service is determined to be triggered;
and the processing module is used for selecting a transmission link for a user according to the QoS parameter information after receiving the QoS parameter information returned by the user QoS data storage network element, packaging the QoS parameter information in a message, transmitting the message to the strategy execution monitoring point, so that the strategy execution monitoring point informs a network management network element to perform network optimization when determining that the current equipment and the link do not meet the service QoS requirement according to the QoS parameter information in the process of transmitting the message.
5. The apparatus of claim 4, wherein:
the determining module determines that the QoS carrying service is required to be triggered according to the following conditions: and receiving the message sent by the user, and analyzing the type of the user equipment and the service initiated by the current user, if the QoS parameter service needs to be transmitted, and no effective QoS data of the current user exists.
6. The apparatus of claim 4 or 5, wherein:
the device is an access network element, a terminal, a border gateway or a server.
7. A method of quality of service, QoS, parameter management, comprising:
after receiving a message, a strategy execution monitoring point acquires QoS parameter information in the message;
deleting the QoS parameter information in the message, or forwarding the message to a last-hop policy execution monitoring point, and deleting the QoS parameter information in the message by the last-hop policy execution monitoring point;
and further comprising:
and when determining that the current equipment and the link do not meet the service QoS requirement according to the QoS parameter information, informing a network management network element to carry out network optimization.
8. A policy enforcement monitoring point, comprising:
the acquisition module is used for acquiring QoS parameter information in the message after receiving the message;
the processing module is used for deleting the QoS parameter information in the message, or forwarding the message to a last-hop policy execution monitoring point, and deleting the QoS parameter information in the message by the last-hop policy execution monitoring point; and the network management unit is also used for informing a network management network element to carry out network optimization when the current equipment and the link do not meet the service QoS requirement according to the QoS parameter information.
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| CN109526029B (en) * | 2017-09-20 | 2022-05-10 | 中国移动通信有限公司研究院 | Service optimization method, medium, related device and equipment |
| CN112073216A (en) | 2018-02-05 | 2020-12-11 | 华为技术有限公司 | Method and device for acquiring link quality |
| CN108897632A (en) * | 2018-07-18 | 2018-11-27 | 杭州鑫合汇互联网金融服务有限公司 | A kind of message system and message method |
| CN111586642B (en) * | 2019-02-19 | 2021-12-14 | 华为技术有限公司 | Communication method and device |
| CN111835577B (en) * | 2019-04-22 | 2022-06-14 | 中国移动通信集团福建有限公司 | Method and device for determining quality difference problem of Internet of things private network and electronic equipment |
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