WO2013189025A1

WO2013189025A1 - Qos policy generation method, device and system

Info

Publication number: WO2013189025A1
Application number: PCT/CN2012/077143
Authority: WO
Inventors: 李岩; 吴问付; 魏凯
Original assignee: 华为技术有限公司
Priority date: 2012-06-19
Filing date: 2012-06-19
Publication date: 2013-12-27
Also published as: CN103688570B; CN103688570A

Abstract

The present invention is applicable to the field of communications, and provided are a QoS policy generation method, device and system. The method comprises: transmitting a first measurement message to a network device and acquiring a first transmission time delay, the first measurement message being used for informing the network device to measure and return the first transmission time delay from the network device to an application server; acquiring the maximum time delay demand of the application server; according to the first transmission time delay and the maximum time delay demand, acquiring the time delay requirement from user equipment (UE) to the network device; and according to the time delay requirement, configuring the QCI. The embodiments of the present invention evaluate an end-to-end time delay from UE to an application server in the configuration process of a QCI, thereby configuring an appropriate QCI for the transmission of a service flow, so as to allow a corresponding QoS policy to satisfy the end-to-end time delay demand of the application server and improve the utilization rate of radio resources as well.

Description

QoS policy generation method, device and system

Technical field

The invention belongs to the field of communications, and in particular relates to a QoS (Quality of Service, quality of service) strategy generation method, device and system.

Background technique

At 3GPP (The 3rd Generation Partnership Project, 3rd Generation Partnership Project) defined PCC (Policy and Charging) In the Control, Policy, and Charging Control architecture, the 3GPP-defined delay is only concerned with PCEF (Policy and Charging Enforcement). Function, policy and accounting execution function entity) to UE (User The delay between the equipment and the user equipment, and the application layer is concerned with the end-to-end delay, that is, the delay between the UE and the application server. Therefore, the PCRF (Policy Control and Charging Rules Function, the policy control and charging rule function entity) generates the QCI (QoS Class) in the PCC rule based only on the service class or the delay requirement of the application layer. Identifier, QoS class identifier), and may not meet the needs of the application layer.

Taking the video service as an example, if the delay between the UE and the application server required by a video server, that is, the maximum delay is 120 ms, the PCRF generates QCI=1 (maximum delay 100 ms), but actually from the application server to the PCEF. The delay between the delays is 40ms, that is, the actual maximum delay is likely to reach 140ms, then QCI=1 can not meet the requirements of the application layer; and if the PCRF generates QCI=3 (maximum delay 50ms), ie, The actual maximum delay is 90ms, which can meet the delay requirement of the video server. However, it should be noted that different QCIs have different requirements for radio resources. Generally, the smaller the delay requirement, the higher the QCI requirements for radio resources. Therefore, the delay between the application server and the PCEF is only 40 ms. For video applications, QCI=3 over-requires wireless resources and reduces the utilization of wireless resources.

technical problem

The purpose of the embodiments of the present invention is to provide a QoS policy generation method, which aims to solve the problem of waste of wireless resources when the existing QoS policy meets the end-to-end delay requirement.

Technical solution

The embodiment of the present invention is implemented by the method for configuring a quality of service class identifier (QCI), including:

Sending a first measurement message to the network device, and acquiring a first transmission delay, where the first measurement message is used to notify the network device to measure and return the first transmission delay of the network device to the application server;

Obtaining a maximum delay requirement of the application server;

Obtaining a delay requirement of the user equipment UE to the network device according to the first transmission delay and the maximum delay requirement;

The QCI is configured according to the delay requirement.

Another object of the embodiments of the present invention is to provide a quality of service class identifier QCI configuration method, including:

Receiving a first measurement message of the quality of service QoS control entity;

Measuring, according to the first measurement message, a first transmission delay of the network device to the application server;

Returning the first transmission delay to the QoS control entity.

Another object of the present invention is to provide a quality of service QoS policy generating apparatus, including:

a first transmission delay acquiring unit, configured to send a first measurement message to the network device, and obtain a first transmission delay, where the first measurement message is used to notify the network device to measure and return the network device to the application server The first transmission delay;

a maximum delay requirement acquisition unit, configured to acquire a maximum delay requirement of the application server;

The delay request acquisition unit is configured to acquire a delay requirement of the user equipment UE to the network device according to the first transmission delay and the maximum delay requirement;

The QCI configuration unit is configured to configure the QCI according to the delay requirement.

Another object of the embodiments of the present invention is to provide a transmission delay obtaining apparatus, including:

a first measurement message receiving unit, configured to receive a first measurement message of the quality of service QoS control entity;

a first transmission delay measurement unit, configured to measure, according to the first measurement message, a first transmission delay of the network device to the application server;

And a first transmission delay returning unit, configured to return the first transmission delay to the QoS control entity.

Another object of the embodiments of the present invention is to provide a quality of service QoS policy generation system, which includes the QoS policy generation apparatus as described above and a transmission delay acquisition apparatus as described above.

Beneficial effect

The embodiment of the present invention estimates the end-to-end delay from the UE to the application server in the QCI configuration process, thereby configuring an appropriate QCI for the transmission of the service flow, so that the corresponding QoS policy satisfies the end of the application server. The end-to-end delay requirement increases the utilization of wireless resources.

DRAWINGS

1 is a flowchart of implementing a QCI configuration method QoS control entity according to an embodiment of the present invention;

2 is a flowchart of an implementation of a preferred embodiment of a QCI configuration method QoS control entity according to an embodiment of the present invention;

3 is a flowchart of implementing a network device of a QCI configuration method according to an embodiment of the present invention;

4 is a specific implementation flowchart of step S302 of the QCI configuration method according to an embodiment of the present invention;

FIG. 5 is an interaction flowchart of a QCI configuration method according to an embodiment of the present invention;

6 is a structural block diagram of a QoS policy generation system according to an embodiment of the present invention;

7 is a structural block diagram of a QoS policy generation system according to another embodiment of the present invention;

FIG. 8 is a structural block diagram of a QoS policy generation system according to another embodiment of the present invention.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

FIG. 1 is a flowchart of an implementation of a QCI configuration method according to an embodiment of the present invention. In this embodiment, an execution entity of the process is a QoS control entity. Specifically, the QoS control entity may be a PCRF in an existing PCC architecture. It can be used as an open platform for operators to open QoS capabilities to third parties. The specific implementation process is as follows:

In step S101, the first measurement message is sent to the network device, and the first measurement message is used to notify the network device to measure the first transmission delay of the network device to the application server. .

In this embodiment, the QoS control entity sends a first measurement message to the network device to notify the network device to measure the first transmission delay of the network device to the application server, and obtain the first transmission delay returned by the network device. The measurement principle of the first transmission delay of the network device will be described in detail in the following embodiments, and details are not described herein again.

In step S102, a maximum delay requirement of the application server is obtained.

In this embodiment, the application server requests the QoS control entity for the QoS requirement of the specific service flow, including the required delay, bandwidth, and the like. Therefore, the QoS control entity can obtain the application server from the QoS requirement of the application server. The maximum latency requirement required, where the maximum latency requirement refers to the maximum delay allowed by the application server to the UE for data transmission.

In step S103, the delay requirement of the UE to the network device is obtained according to the first transmission delay and the maximum delay requirement.

In step S104, the QCI is configured according to the delay requirement.

In this embodiment, the first transmission delay obtained in step S101 is 20 ms, and the maximum delay obtained in step S102 is 120 ms. For example, the delay of the UE to the network device may not exceed 100 ms. This takes 100ms as a delay requirement.

Therefore, according to the obtained delay requirement, the appropriate QCI can be configured for the service flow, so that the corresponding PCC policy is sent to the network device, so that the network device establishes the IP connection between the terminal and the terminal according to the PCC policy. Into the network (IP Connectivity Access Network, IP-CAN) bearer. In the above example of the embodiment, the QCI=1, that is, the maximum delay is 100 ms, that is, the end-to-end delay requirement of the application server can be satisfied, and excessive radio resource waste is not generated.

As an embodiment of the present invention, preferably, when the UE adopts a wireless local area network (Wireless Local Area) When the access technology that is not in compliance with the 3GPP standard is connected to the network, preferably, as shown in FIG. 2, after the step S104, the method may further include:

In step S105, the second measurement message is sent to the network device, and the second transmission delay is obtained, where the second measurement message includes the QCI, and is used to notify the network device to measure according to the second measurement message. Returning the second transmission delay of the network device to the UE.

In this embodiment, the QoS control entity sends a second measurement message carrying the QCI configured in step S104 to the network device, thereby notifying the network device to measure the second transmission delay of the network device to the UE for the QCI, and The second transmission delay is returned to the QoS control entity.

As an embodiment of the present invention, the second measurement message may further include an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network (Public Land) Mobile At least one information in the network, the PLMN, so that the network device, in the QCI, specifically measures, when the UE adopts an access technology, accesses a certain base station, or accesses a certain PLMN. The second transmission delay. For example, when the configured QCI=1 and the UE adopts the WLAN access technology, the network device only measures the second transmission delay of the QoS policy that satisfies the QCI=1 under the WLAN access.

The implementation principle of the network device to measure the second transmission delay will be described in detail in the following embodiments, and details are not described herein.

In step S106, the QCI is reconfigured according to the second transmission delay and the delay requirement.

For example, the first transmission delay obtained in step S101 is 10 ms, and the delay requirement obtained in the corresponding step S103 is 110 ms. However, if the second transmission delay obtained by the network device is 120 ms when the WLAN access technology is used, the actual transmission delay of the end-to-end will reach 130 ms. In this case, the service cannot be used. The flow configuration QCI=1, but only the QCI can be reconfigured, and the QCI=3 (maximum delay 50ms) with higher delay requirement is selected to meet the application server end-to-end 120ms delay requirement.

It should be noted that, in this embodiment, when the QoS control entity is a PCRF, the first measurement message or the second measurement message may be sent to the network device by using an interface message such as Gx; when the QoS control entity is a capability open platform, Through the network application software programming interface (Application The Programming Interface (API) calls the first measurement message or the second measurement message to the network device.

FIG. 3 is a flowchart of an implementation process of a QCI configuration method according to an embodiment of the present invention. In this embodiment, an execution entity of the process is a network device. Specifically, the network device may include a network device on a transmission path such as a gateway or a wireless base station. It is not limited here, and its specific implementation process is detailed as follows:

In step S301, a first measurement message of the QoS control entity is received.

In step S302, the first transmission delay of the network device to the application server is measured according to the first measurement message.

In step S303, the first transmission delay is returned to the QoS control entity.

Specifically, as shown in FIG. 4, the implementation process of step S302 may be:

In step S401, the sending time of the message sent to the application server is obtained.

In step S402, a return time of the response of the message returned by the application server is acquired.

In step S403, the first transmission delay is obtained according to the sending time and the return time.

As an embodiment of the present invention, the packet sent by the network device may be a transmission control protocol (Transmission Control). Protocol, TCP) message. When the packet is a TCP packet, the network device first records the sequence number in the TCP packet sent to the application server and the current time T1. When receiving the TCP packet of the serial number returned by the application server, the current time is recorded. T2, and according to (T2-T1)/2, the corresponding first transmission delay is obtained.

It should be noted that, in this embodiment, it is not limited to detect a TCP message sent by a certain UE to the application server, and may detect a TCP message sent by any UE to the application server.

As another embodiment of the present invention, the packet sent by the network device may be a probe packet sent by the network device to the application server, such as an Internet Control Message Protocol (Internet). Control Message Protocol, ICMP) ping message, or TCP connection Synchronize (SYN) SYN message. When the packet is a probe packet, the network device first records the transmission time T1 of the probe packet. When the application server returns the response message of the probe packet, the network device records the reception time T2 of the response message. The corresponding first transmission delay is also obtained according to (T2-T1)/2.

Preferably, in this embodiment, multiple sending times and return times may be obtained by sending a message multiple times, and performing corresponding statistical processing, such as averaging, on multiple sending times and multiple returning times respectively. The average of the transmission time and the return time is obtained to obtain a more accurate first transmission delay.

As an embodiment of the present invention, when the UE accesses the network by using an access technology that is not in compliance with the 3GPP standard, such as a WLAN, preferably, as shown in FIG. 5, after the step S303, the method may further include:

In step S304, a second measurement message of the QoS control entity is received, where the second measurement message includes a QCI configured by the QoS control entity.

In step S305, the second transmission delay of the network device to the UE is measured according to the second measurement message.

In this embodiment, the second measurement message further includes at least one of an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network PLMN.

It should be noted that, for the network device, when the second measurement message includes the access base station of the UE, requesting to detect the second transmission delay for a certain QCI from the single base station, only the second QCI of the base station is obtained. The second transmission delay; when the second measurement message includes the access technology used by the UE, if a second transmission delay of a certain QCI under a copy-in technology is obtained, multiple base stations under the access technology are required. Request for detection.

In the step S305, the implementation principle of the network device to measure the second transmission delay of the network device to the UE according to the second measurement message is the same as the implementation principle of the step S302, and details are not described herein again.

It should be noted that when the network device sends a probe packet to the UE, the specific implementation may be different depending on the access technology adopted by the UE. For example, if the access technology supports multiple IP-CAN bearers, the network device can send probe packets on the IP-CAN bearers that conform to the QCI; if the access technology does not support multiple IP-CANs, the network devices can map according to QCI. Obtain the corresponding Internet Protocol (IP) layer differential service code point (Differentiated Services Code Point, DSCP), using this DSCP code to send probe packets. The specific method for transmitting probe packets is not used to limit the present invention.

As an embodiment of the present invention, when the network device is a wireless base station, the acquisition of the corresponding first transmission delay and the second transmission delay may be performed in addition to the method shown in FIG. Method, such as based on the radio link control layer (Radio Link Control, RLC) protocol automatic repeat-reQuest (ARQ) mechanism and so on.

In S306, the second transmission delay is returned to the QoS control entity.

It should be noted that, in this embodiment, when the QoS control entity is a PCRF, the network device may return a first transmission delay or a second transmission delay to the QoS control entity through an interface message such as Gx; when the QoS control entity is capable When the platform is open, the network device may return the first transmission delay or the second transmission delay to the QoS control entity by using an API call or the like.

In this embodiment, the related implementation principle of the steps has been elaborated in the implementation principle of the embodiment shown in FIG. 1 and FIG. 2, and details are not described herein again.

In the embodiment of the present invention, the QoS control entity instructs the network device to detect the delay of the network device to an application server, and further detects the delay of the network device to a certain UE, so as to determine the QoS policy according to the measurement result of the network device. The QCI is configured so that when the application server requests the delay requirement of a certain service flow, the QCI configured by the QoS control entity can satisfy the end-to-end delay requirement of the application server and effectively improve the radio resource utilization.

The following is a description of the embodiment of the present invention. The following is a description of the interaction of the QCI configuration method provided by the embodiment of the present invention.

1. The QoS control entity sends a first measurement message to the network device, informing the network device to measure and return the first transmission delay of the network device to the application server.

2. The network device sends the first packet to the application server.

3. The application server returns a response of the first packet to the network device.

4. The network device acquires the first transmission delay according to the return time of the response of the sending time of the first packet.

5. The network device returns a first transmission delay to the QoS control entity.

6. The QoS control entity sends a second measurement message to the network device.

Since the UE accesses the network through the WLAN access technology, the delay of the QCI bearer in the network does not comply with the standard constraints of the 3GPP. Therefore, the QoS control entity sends the second measurement message to the network device.

7. The network device sends a second packet to the terminal.

8. The terminal returns a response of the second packet to the network device.

9. The network device acquires the second transmission delay according to the sending time of the second packet and the return time of the response.

10. The network device returns a second transmission delay to the QoS control entity.

11. The application server requests the maximum latency requirement from the QoS control entity.

12. The QoS control entity configures the QCI for the QoS policy according to the first transmission delay, the second transmission delay, and the maximum delay requirement.

The foregoing interaction process is only one of the QCI configuration methods provided by the embodiment of the present invention. The implementation principle of the other embodiments may be implemented according to the implementation principles of the embodiment of the present invention, and is not described herein.

6 is a structural block diagram of a QoS policy generation system according to an embodiment of the present invention, which is used to run the QCI configuration method described in the embodiment of FIG. 1 to FIG. 4, including a QoS policy generation device located in a QoS control entity. And a transmission delay acquisition device located in the network device. For the convenience of explanation, only the parts related to the present embodiment are shown.

Referring to FIG. 6, the QoS policy generating apparatus includes:

The first transmission delay acquisition unit 61 sends a first measurement message to the network device and acquires a first transmission delay, where the first measurement message is used to notify the network device to measure and return the network device to the application server. The first transmission delay is described.

The maximum delay requirement obtaining unit 62 acquires a maximum delay requirement of the application server.

The delay request acquisition unit 63 acquires the delay requirement of the user equipment UE to the network device according to the first transmission delay and the maximum delay requirement.

The QCI configuration unit 64 is configured to configure the QCI according to the delay requirement.

Optionally, as shown in FIG. 7, the QoS policy generating apparatus further includes:

The second transmission delay acquisition unit 71 sends a second measurement message to the network device and acquires a second transmission delay, where the second measurement message includes the QCI, and is used to notify the network device according to the second Measuring the message measurement and returning the second transmission delay of the network device to the UE.

The QCI reconfiguration unit 72 reconfigures the QCI according to the second transmission delay.

Optionally, the second measurement message further includes at least one of an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network PLMN.

Optionally, the first measurement message sending unit and the second measurement message sending unit respectively send the first measurement message and the second to the network device by using an interface message or a network application software programming interface API call Measure the message.

The transmission delay acquisition device includes:

The first measurement message receiving unit 65 receives the first measurement message of the quality of service QoS control entity.

The first transmission delay measurement unit 66 measures the first transmission delay of the network device to the application server according to the first measurement message.

The first transmission delay return unit 67 returns the first transmission delay to the QoS control entity.

Optionally, as shown in FIG. 7, the transmission delay obtaining apparatus further includes:

The second measurement message receiving unit 73 receives the second measurement message of the QoS control entity, where the second measurement message includes a QCI configured by the QoS control entity.

The second transmission delay measurement unit 74 measures the second transmission delay of the network device to the user equipment UE according to the second measurement message.

The second transmission delay return unit 75 returns the second transmission delay to the QoS control entity.

Optionally, as shown in FIG. 8, the first transmission delay measurement unit and the second transmission delay measurement unit each include:

The sending time acquisition sub-unit 81 obtains the sending time of the message sent to the application server or the UE.

The return time acquisition sub-unit 82 acquires a return time of the response of the application server or the message returned by the UE.

The transmission delay acquisition sub-unit 83 obtains a transmission delay according to the transmission time and the return time.

Optionally, the packet includes a transmission control protocol TCP packet or a probe packet.

Optionally, the first transmission delay return unit and the second transmission delay return unit respectively return the first transmission delay and the QoS control entity by using an interface message or a network application software programming interface API call. The second transmission delay.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by hardware, software implementation, firmware implementation, or a combination thereof. When implemented in software, the functions described above may be stored in or transmitted as one or more instructions or code on a computer readable medium. Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another. A storage medium may be any available media that can be accessed by a computer. By way of example and not limitation, computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure. The desired program code and any other medium that can be accessed by the computer. Also. Any connection may suitably be a computer readable medium. For example, if the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the associated media. As used in the present invention, a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

A service quality class identifier QCI configuration method, comprising:

Sending a first measurement message to the network device, and acquiring a first transmission delay, where the first measurement message is used to notify the network device to measure and return the first transmission delay of the network device to the application server;

Obtaining a maximum delay requirement of the application server;

Obtaining a delay requirement of the user equipment UE to the network device according to the first transmission delay and the maximum delay requirement;

The QCI is configured according to the delay requirement.
The method of claim 1 further comprising:

Sending a second measurement message to the network device, and acquiring a second transmission delay, where the second measurement message includes the QCI, configured to notify the network device to measure and return to the network device according to the second measurement message. The second transmission delay to the UE;

Reconfiguring the QCI according to the second transmission delay and the delay requirement.
The method according to claim 2, wherein the second measurement message further comprises at least one of an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network PLMN. information.
The method according to claim 1 or 2, wherein the first measurement message and the second measurement message are sent to the network device by an interface message or a network application software programming interface API call.
A service quality class identifier QCI configuration method, comprising:

Receiving a first measurement message of the quality of service QoS control entity;

Measuring, according to the first measurement message, a first transmission delay of the network device to the application server;

Returning the first transmission delay to the QoS control entity.
The method of claim 5, further comprising:

Receiving a second measurement message of the QoS control entity, where the second measurement message includes a QCI configured by the QoS control entity;

Measuring, according to the second measurement message, a second transmission delay of the network device to the user equipment UE;

Returning the second transmission delay to the QoS control entity.
The method according to claim 6, wherein the second measurement message further comprises at least one of an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network PLMN. information.
The method according to claim 6, wherein the transmission delay measurement method of the network device comprises:

Obtaining a sending time of a packet sent to the application server or the UE;

Obtaining a return time of the response of the application server or the message returned by the UE;

A transmission delay is obtained according to the transmission time and the return time.
The method according to claim 8, wherein the message comprises a transmission control protocol TCP message or a probe message.
The method of claim 6 or 8, wherein the first transmission delay and the second transmission delay are returned to the QoS control entity via an interface message or a network application software programming interface API call.
A service quality QoS policy generating apparatus, comprising:

a first transmission delay acquiring unit, configured to send a first measurement message to the network device, and obtain a first transmission delay, where the first measurement message is used to notify the network device to measure and return the network device to the application server The first transmission delay;

a maximum delay requirement acquisition unit, configured to acquire a maximum delay requirement of the application server;

The delay request acquisition unit is configured to acquire a delay requirement of the user equipment UE to the network device according to the first transmission delay and the maximum delay requirement;

The QCI configuration unit is configured to configure the QCI according to the delay requirement.
The device of claim 11 further comprising:

a second transmission delay acquisition unit, configured to send a second measurement message to the network device, and obtain a second transmission delay, where the second measurement message includes the QCI, and is used to notify the network device according to the The second measurement message measures and returns the second transmission delay of the network device to the UE;

The QCI reconfiguration unit is configured to reconfigure the QCI according to the second transmission delay and the delay requirement.
The apparatus according to claim 12, wherein the second measurement message further comprises at least one of an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network PLMN. information.
The device according to claim 11 or 12, wherein the first measurement message sending unit and the second measurement message sending unit respectively send to the network device through an interface message or a network application software programming interface API call The first measurement message and the second measurement message.
A transmission delay acquisition device, comprising:

a first measurement message receiving unit, configured to receive a first measurement message of the quality of service QoS control entity;

a first transmission delay measurement unit, configured to measure, according to the first measurement message, a first transmission delay of the network device to the application server;

And a first transmission delay returning unit, configured to return the first transmission delay to the QoS control entity.
The device of claim 15 further comprising:

a second measurement message receiving unit, configured to receive a second measurement message of the QoS control entity, where the second measurement message includes a QCI configured by the QoS control entity;

a second transmission delay measurement unit, configured to measure, according to the second measurement message, a second transmission delay of the network device to the user equipment UE;

And a second transmission delay return unit, configured to return the second transmission delay to the QoS control entity.
The apparatus according to claim 16, wherein the second measurement message further comprises at least one of an access technology adopted by the UE, an access base station of the UE, or an access roaming public land mobile network PLMN. .
The device according to claim 15 or 16, wherein the first transmission delay measurement unit and the second transmission delay measurement unit each comprise:

a sending time acquisition subunit, configured to acquire a sending time of a packet sent to the application server or the UE;

a return time acquisition subunit, configured to acquire a return time of the response of the application server or the message returned by the UE;

And a transmission delay acquisition subunit, configured to acquire a transmission delay according to the sending time and the return time.
The apparatus according to claim 20, wherein the message comprises a transmission control protocol TCP message or a probe message.
The apparatus according to claim 15 or 16, wherein the first transmission delay return unit and the second transmission delay return unit respectively invoke the QoS through an interface message or a network application software programming interface API The control entity returns the first transmission delay and the second transmission delay.
A quality of service QoS policy generating system, comprising: the QoS policy generating apparatus according to any one of claims 11 to 14 and the one according to any one of claims 15 to 20. Transmission delay acquisition device.