CN111163532B - Method for establishing special bearing and mobile edge computing equipment - Google Patents
Method for establishing special bearing and mobile edge computing equipment Download PDFInfo
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- CN111163532B CN111163532B CN201811321719.XA CN201811321719A CN111163532B CN 111163532 B CN111163532 B CN 111163532B CN 201811321719 A CN201811321719 A CN 201811321719A CN 111163532 B CN111163532 B CN 111163532B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
Abstract
The disclosure provides a method for establishing a special bearer and a mobile edge computing device, and relates to the field of mobile networks. The mobile edge computing equipment identifies the service needing to establish the special bearing and triggers the packet data gateway to establish the special bearing for the service, wherein the special bearing passes through the terminal, the base station, the mobile edge equipment and the packet data gateway. Thus, the local breakout service passing through the MEC equipment but not through the P-GW can establish the special bearer.
Description
Technical Field
The present disclosure relates to the field of mobile networks, and in particular, to a method for establishing a dedicated bearer and a mobile edge computing device.
Background
In a new generation of network, such as 4G, 5G, etc., there are many services that require ultra-low delay guarantee, such as automatic driving, VR (Virtual Reality) video, concert high-definition live broadcasting, etc. MEC (Mobile Edge Computing) equipment is connected in series in a network, data is distributed to a local or near-end server, and time delay is reduced.
The special bearing is established on the MEC equipment to realize the scheduling of the service according to the service priority, so that the network resources can be more reasonably and effectively utilized, and the purpose of further reducing the time delay is achieved.
Disclosure of Invention
The inventors found that according to the related art for establishing a dedicated bearer, establishment of the dedicated bearer is initiated from a P-GW (Packet Data Gateway), however, a local breakout service passing through the MEC device does not pass through the P-GW, so the dedicated bearer cannot be established.
In view of this, the present disclosure proposes a scheme for establishing a dedicated bearer, so that a local breakout service passing through the MEC device but not passing through the P-GW may also establish the dedicated bearer.
Some embodiments of the present disclosure provide a method of establishing a dedicated bearer, comprising:
the mobile edge computing equipment identifies the service needing to establish the special bearer;
and the mobile edge computing equipment triggers the packet data gateway to establish a special bearer for the service, wherein the special bearer passes through the terminal, the base station, the mobile edge equipment and the packet data gateway.
In some embodiments, the mobile edge computing device identifies the service that needs to establish the dedicated bearer according to the preset uniform resource locator information or the IP address information.
In some embodiments, the mobile edge computing device sends a request to a packet data gateway to establish a dedicated bearer for the service, wherein the request carries uniform resource location information or IP address information for the service.
In some embodiments, the request to establish a dedicated bearer for the service is sent to a packet data gateway over a user plane of the mobile edge computing device.
In some embodiments, further comprising: and the mobile edge computing equipment keeps the exclusive bearing of the service under the condition that the service has continuous service flow.
In some embodiments, the mobile edge computing device maintains the dedicated bearer of the traffic by sending a bearer hold message to the packet data gateway.
In some embodiments, further comprising: and the mobile edge computing equipment triggers the packet data gateway to remove the special bearing of the service.
Some embodiments of the present disclosure provide a mobile edge computing device, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of establishing a proprietary bearer of any of the foregoing embodiments based on instructions stored in the memory.
Some embodiments of the present disclosure provide a mobile edge computing device, comprising:
the service identification module is configured to identify a service needing to establish a special bearer;
and the service triggering module is configured to trigger the packet data gateway to establish a special bearer for the service, wherein the special bearer passes through the terminal, the base station, the mobile edge device and the packet data gateway.
In some embodiments, further comprising: at least one of the following modules is provided,
the bearing keeping module is configured to keep the exclusive bearing of the service under the condition that the service has continuous service flow;
and the bearer removal module is configured to trigger the packet data gateway to remove the special bearer of the service.
Some embodiments of the present disclosure propose a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of establishing a proprietary bearer of any of the preceding embodiments.
Drawings
The drawings that will be used in the description of the embodiments or the related art will be briefly described below. The present disclosure will be more clearly understood from the following detailed description, which is given with reference to the accompanying drawings,
it should be apparent that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived by those of ordinary skill in the art without inventive exercise.
Fig. 1 is a schematic diagram of a method for establishing a dedicated bearer according to some embodiments of the present disclosure.
Fig. 2 is a schematic diagram of a method for establishing a dedicated bearer according to some embodiments of the present disclosure.
Fig. 3 is a schematic diagram of a relationship between bearers and traffic flows according to some embodiments of the disclosure.
FIG. 4 is a schematic diagram of a mobile edge computing device according to some embodiments of the present disclosure.
FIG. 5 is a schematic diagram of a mobile edge computing device according to some embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure.
The present disclosure proposes a scheme for establishing a dedicated bearer, so that a local breakout service passing through MEC equipment but not through a P-GW may also establish the dedicated bearer. This scheme is described in detail below.
Fig. 1 is a schematic diagram of a method for establishing a dedicated bearer according to some embodiments of the present disclosure.
As shown in fig. 1, the method of this embodiment includes:
at step 110, the mobile edge computing device identifies the services that require establishment of a proprietary bearer.
In some embodiments, service information that requires establishment of a dedicated bearer, such as uniform resource location information or IP address information of the service, is preset in the mobile edge computing device, and then the mobile edge computing device identifies the service that requires establishment of the dedicated bearer according to the preset uniform resource location information or IP address information.
For example, the service information that needs to establish a dedicated bearer is preset at the mobile edge computing device as follows:
10.6.6.1QCI (QoS Class Identifier) 3, ARP (Address Resolution Protocol) 1, GBR (Guaranteed Bit Rate) 10M, MBR (Max Bit Rate) xM
IP:10.6.6.3QCI＝2、ARP＝2、GBR＝10M、MBR＝xM
Then the traffic with IP 10.6.6.1 and 10.6.6.3 establishes the occupied bearer, while other traffic does not need to establish a proprietary bearer.
In step 120, the mobile edge computing device triggers the packet data gateway to establish a dedicated bearer for the service, where the dedicated bearer passes through the terminal, the base station, the mobile edge device, and the packet data gateway.
In some embodiments, the mobile edge computing device sends a request to the packet data gateway to establish a dedicated bearer for the traffic, carrying uniform resource location information or IP address information (which may typically be a destination IP address) for the traffic, so that the packet data gateway knows which traffic to establish the dedicated bearer for. The specific procedure of the packet data gateway establishing the dedicated bearer may refer to the prior art.
In some embodiments, the request to establish a dedicated bearer for the service is sent to a packet data gateway over a user plane of the mobile edge computing device.
In step 130, the mobile edge computing device maintains the exclusive bearer for the service in the event that the service has sustained traffic.
In some embodiments, the mobile edge computing device maintains the dedicated bearer of the traffic by sending a bearer hold message to the packet data gateway.
Wherein the mobile edge computing device may periodically send a bearer hold message to the packet data gateway to hold the dedicated bearer of the traffic. The period of the bearer hold message is greater than the dedicated bearer release time. For example, 3GPP specifies that the dedicated bearer is released after 30 seconds after establishment of the dedicated bearer, and therefore the mobile edge computing device sends a bearer hold message to the packet data gateway every, for example, 25 seconds to hold the dedicated bearer for the service in the event that the service has sustained traffic.
In step 140a, if traffic flow is not occurring for more than a preset time, the mobile edge computing device may automatically release the dedicated bearer.
In step 140b, the mobile edge computing device triggers the packet data gateway to tear down the dedicated bearer for the service, thereby actively tearing down the dedicated bearer.
The above embodiments enable a dedicated bearer to be established for local breakout traffic that passes through the MEC device but not through the P-GW.
Fig. 2 is a schematic diagram of a method of establishing a dedicated bearer according to some embodiments of the present disclosure.
As shown in fig. 2, the method of this embodiment includes:
in step 210, the terminal initiates a service to the MEC device via the base station.
In step 220, the MEC apparatus determines whether the service needs local breakout, and if the service needs local breakout, step 230 is executed.
In step 230, the MEC device determines whether the service requires establishment of a dedicated bearer. If a dedicated bearer needs to be established, step 240 is performed.
In step 240, the MEC device sends a request to the P-GW to establish a dedicated bearer for the service.
Wherein the request may pass through a Mobility Management Entity (MME), a Serving Gate Way (S-GW), and reach the P-GW.
In step 250, the P-GW determines that the service can establish the dedicated bearer according to a preset rule, and then starts an establishment procedure of the dedicated bearer.
The preset rule includes, for example, service information that requires establishment of a dedicated bearer, such as uniform resource location information or IP address information of a service, and may further include service provisioning description information of a corresponding dedicated bearer, such as QCI, GBR, and the like.
In step 260, the P-GW establishes a dedicated bearer with the UE, and the P-GW may issue a Traffic Flow Template (TFT) including information such as an IP address and GBR.
In step 270, the UE may perform traffic transmission with the MEC device using a dedicated bearer, and the traffic transmission may not pass through the P-GW.
In step 280, in case of a continuous traffic flow of the service, the MEC device maintains a dedicated bearer of the service.
If the traffic flow does not occur for more than the preset time, the mobile edge computing device may automatically release the dedicated bearer.
And the mobile edge computing equipment triggers the packet data gateway to remove the special bearing of the service, so that the special bearing is actively removed.
Fig. 3 is a schematic diagram of a relationship between bearers and traffic flows according to some embodiments of the disclosure. As shown in fig. 3, with the solution of the present disclosure, a dedicated bearer is established among the terminal, the base station, the MEC device, and the P-GW, and the service flow may be transmitted among the terminal, the base station, the MEC device, and the service platform by using the dedicated bearer, and may not pass through the P-GW. In addition, the dedicated bearer is typically established on the basis of a default bearer.
Carrying by default: a user bearer for data and signaling that satisfies a default QoS (quality of service). A default bearer may be simply understood as a bearer providing best effort IP connectivity, established with the establishment of a PDN (Packet Data Network) link, and destroyed with the removal of the PDN link, providing a permanently online IP transport service for the user. In general, a default bearer is established when a terminal attaches to a network and is deleted when the terminal is detached, regardless of whether the terminal is connected to a station.
The special bearer: is established on the basis of PDN link establishment in order to provide certain QoS transport requirements (default bearers cannot be met). In general, the QoS requirement of the dedicated bearer is higher than that of the default bearer, generally because a certain service needs to be established, and the service is deleted after the service is ended.
In some examples, suppose that the locally-distributed traffic on the same MEC has automatic driving (requiring delay <5ms, bandwidth: 50Mbps), high definition 8K VR video traffic (requiring delay 5ms to 10ms, bandwidth: 120 to 200Mbps), and high definition VR game traffic (requiring delay 5ms to 10ms, bandwidth: 50 Mbps). According to the requirements of the service indexes, a special bearer is established, the priority of the automatic driving service is highest, the priority of the high-definition 8K VR video service is next, and the priority of the high-definition VR game service is next.
FIG. 4 is a schematic diagram of a mobile edge computing device according to some embodiments of the present disclosure.
As shown in fig. 4, the mobile edge computing device 400 of this embodiment includes: a memory 410; and a processor 420 coupled to the memory 410, the processor 420 configured to execute the method of establishing a proprietary bearer of any of the foregoing embodiments based on instructions stored in the memory 410.
Memory 410 may include, for example, system memory, fixed non-volatile storage media, and the like. The system memory stores, for example, an operating system, an application program, a Boot Loader (Boot Loader), and other programs.
FIG. 5 is a schematic diagram of a mobile edge computing device according to some embodiments of the present disclosure.
As shown in fig. 5, the mobile edge computing device 500 of this embodiment includes:
a service identification module 510 configured to identify a service requiring establishment of a dedicated bearer.
A service triggering module 520 configured to trigger the packet data gateway to establish a dedicated bearer for the service, where the dedicated bearer passes through the terminal, the base station, the mobile edge device, and the packet data gateway.
In some embodiments, further comprising: at least one of the following modules is provided,
a bearer maintaining module 530 configured to maintain a dedicated bearer of the service in case that the service has a continuous service traffic;
a bearer teardown module 540 configured to trigger the packet data gateway to tear down the dedicated bearer of the service.
Some embodiments of the present disclosure propose a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of establishing a proprietary bearer of any of the preceding embodiments.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, a proprietary computer, an embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, so that any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (7)
1. A method of establishing a proprietary bearer, comprising:
the mobile edge computing equipment identifies a service needing to establish a special bearer according to preset uniform resource positioning information aiming at a local shunt service which passes through MEC equipment but does not pass through P-GW;
the mobile edge computing device triggers the packet data gateway to establish the special bearer for the service by sending a request for establishing the special bearer for the service to the packet data gateway, wherein the request carries the uniform resource positioning information of the service, the special bearer passes through the terminal, the base station, the mobile edge device and the packet data gateway,
the mobile edge computing equipment keeps the special bearing of the service by sending a bearing keeping message to the packet data gateway under the condition that the service has continuous service flow, wherein the period of the bearing keeping message is less than the release time of the special bearing;
and if the service flow does not occur for more than the preset time, the mobile edge computing equipment triggers the packet data gateway to remove the special bearing of the service.
2. The method of claim 1, wherein,
the mobile edge computing device also identifies the service needing to establish the special bearing according to the IP address information.
3. The method of claim 1, wherein,
the request for establishing the special bearing for the service also carries the IP address information of the service.
4. The method of claim 3, wherein the request to establish the proprietary bearer for the service is sent to a packet data gateway over a user plane of the mobile edge computing device.
5. A mobile edge computing device, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of establishing a proprietary bearer of any of claims 1-4 based on instructions stored in the memory.
6. A mobile edge computing device, comprising:
the service identification module is configured to identify a service needing to establish a special bearer;
the service triggering module is configured to trigger the packet data gateway to establish a special bearer for the service, wherein the special bearer passes through the terminal, the base station, the mobile edge device and the packet data gateway;
the bearing keeping module is configured to keep the special bearing of the service by sending a bearing keeping message to the packet data gateway under the condition that the service has continuous service flow, and the period of the bearing keeping message is less than the release time of the special bearing;
and the bearing removal module is configured to trigger the packet data gateway to remove the special bearing of the service if the service flow does not occur for more than the preset time.
7. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of establishing a proprietary bearer of any one of claims 1 to 4.
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| CN112235297B (en) * | 2020-10-14 | 2021-09-24 | 北京理工大学 | MES system identification analysis method and system based on edge calculation |
| CN115037697B (en) * | 2021-03-04 | 2023-07-21 | 中国移动通信集团四川有限公司 | Service access request processing method, device, system and readable storage medium |
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