CN110557757B - Method for establishing bearer, gateway device and computer readable storage medium - Google Patents
Method for establishing bearer, gateway device and computer readable storage medium Download PDFInfo
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- CN110557757B CN110557757B CN201810560938.7A CN201810560938A CN110557757B CN 110557757 B CN110557757 B CN 110557757B CN 201810560938 A CN201810560938 A CN 201810560938A CN 110557757 B CN110557757 B CN 110557757B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/04—Traffic adaptive resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Abstract
The disclosure provides a method for establishing a bearer, a gateway device and a computer readable storage medium, and relates to the field of wireless communication. The method comprises the following steps: the gateway device establishes a dynamic guaranteed bit rate bearer; if the gateway device detects that the service flow without guaranteed bit rate in the preset time period passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a suspended state; and when the dynamic guaranteed bit rate bearer is in a suspended state, the gateway equipment releases bandwidth resources borne by the dynamic guaranteed bit rate to a service flow of a non-guaranteed bit rate. Thereby improving the utilization rate of bandwidth resources.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, to a method for establishing a bearer, a gateway device, and a computer-readable storage medium.
Background
GBR (Guaranteed Bit Rate) refers to a minimum Bit Rate of a bearer Guaranteed by a system, and even under the condition of network resource shortage, the corresponding Bit Rate can also be Guaranteed.
In contrast, Non-GBR (Non-guaranteed bit rate) refers to the requirement that traffic (or bearers) need to withstand a reduced rate in the event of network congestion.
Disclosure of Invention
The inventors have found that GBR-specific bearers cannot be occupied by Non-GBR traffic even in an idle state, which causes a waste of bandwidth resources to some extent.
In view of this, the present disclosure provides a scheme to improve the utilization of bandwidth resources.
According to an aspect of the present disclosure, a method for establishing a bearer is provided, including:
the gateway device establishes a dynamic guaranteed bit rate bearer;
if the gateway device detects that the service flow without guaranteed bit rate in the preset time period passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a suspended state;
and when the dynamic guaranteed bit rate bearer is in a suspended state, the gateway equipment releases bandwidth resources borne by the dynamic guaranteed bit rate to a service flow of a non-guaranteed bit rate.
Optionally, the method further comprises:
if the gateway device detects that the service flow with guaranteed bit rate passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a conventional state;
and when the dynamic guaranteed bit rate bearer is in a conventional state, the gateway equipment recovers the service guarantee capability of bandwidth resources borne by the dynamic guaranteed bit rate for the service flow with the guaranteed bit rate.
Optionally, the method further comprises:
the gateway device switches the state of the dynamic guaranteed bit rate bearer to a suspended state, and simultaneously triggers a related network element to cache the bearer parameters before the dynamic guaranteed bit rate bearer is switched to the suspended state, so as to recover the service guarantee capability of bandwidth resources of the dynamic guaranteed bit rate bearer for service flow of the guaranteed bit rate according to the cached bearer parameters;
the relevant network element is a network element providing service guarantee capability for the service flow with guaranteed bit rate.
Optionally, the gateway device establishes a dynamic guaranteed bit rate bearer in response to an instruction for establishing the dynamic guaranteed bit rate bearer by the PCRF, where the instruction is sent by the PCRF according to an application for establishing the dynamic guaranteed bit rate bearer by the user.
Optionally, the gateway device establishes a dynamic guaranteed bit rate bearer for a service flow conforming to a service policy according to the service policy configured in advance.
Optionally, the related network element includes: the gateway device and the base station; the cached bearer parameters include: and the dynamic guaranteed bit rate bearer is switched into a bearer identifier, a guaranteed bit rate and a maximum bit rate before the suspended state.
According to still another aspect of the present disclosure, a gateway device for establishing a bearer is provided, including:
a bearer establishing module, configured to establish a dynamically guaranteed bit rate bearer;
a state switching module, configured to switch a state of the dynamic guaranteed bit rate bearer to a suspended state if it is detected that no traffic flow with a guaranteed bit rate passes through the dynamic guaranteed bit rate bearer within a preset time period;
and the resource processing module is used for releasing the bandwidth resource of the dynamic guaranteed bit rate bearer to the service flow of the non-guaranteed bit rate when the dynamic guaranteed bit rate bearer is in a suspended state.
Optionally, the state switching module is further configured to switch a state of the dynamic guaranteed bit rate bearer to a normal state if it is detected that the traffic flow with the guaranteed bit rate passes through the dynamic guaranteed bit rate bearer; the resource processing module is further configured to recover, when the dynamic guaranteed bit rate bearer is in a normal state, a service guarantee capability that bandwidth resources of the dynamic guaranteed bit rate bearer are used by a service flow of a guaranteed bit rate.
Optionally, the gateway device further includes: a cache module, configured to trigger a relevant network element to cache a bearer parameter before the dynamic guaranteed bit rate bearer is switched to the suspended state while the state of the dynamic guaranteed bit rate bearer is switched to the suspended state, so as to recover, according to the cached bearer parameter, a service guarantee capability that a bandwidth resource carried by the dynamic guaranteed bit rate is used by a service flow at a guaranteed bit rate; the relevant network element is a network element providing service guarantee capability for a service stream with a guaranteed bit rate.
Optionally, the bearer establishing module is configured to establish a dynamic guaranteed bit rate bearer in response to an instruction for establishing the dynamic guaranteed bit rate bearer by the PCRF, where the instruction is sent by the PCRF according to an application for establishing the dynamic guaranteed bit rate bearer by the user; or, the method is used for establishing a dynamic guaranteed bit rate bearer for the service flow according with the service policy according to the service policy configured in advance.
Optionally, the related network element includes: the gateway device and the base station; the cached bearer parameters include: and the dynamic guaranteed bit rate bearer is switched to a bearer identifier, a guaranteed bit rate and a maximum bit rate before the suspended state.
According to still another aspect of the present disclosure, a gateway device for establishing a bearer is provided, including:
a memory; and
a processor coupled to the memory, the processor configured to perform any of the foregoing methods of establishing a bearer based on instructions stored in the memory.
According to yet another aspect of the present disclosure, a computer-readable storage medium is proposed, on which a computer program is stored, which when executed by a processor implements any of the aforementioned methods of establishing a bearer.
The method is based on novel dynamic guaranteed bit rate bearing, if the service flow which does not guarantee the bit rate in the preset time period bears through the dynamic guaranteed bit rate, the state of the dynamic guaranteed bit rate bearing is switched to a suspension state, and bandwidth resources borne by the dynamic guaranteed bit rate are released to the service flow which does not guarantee the bit rate, so that the utilization rate of the bandwidth resources is improved.
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 proceeds with reference to the accompanying drawings,
it is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without undue inventive faculty.
Fig. 1 is a flow chart of some embodiments of a method for establishing a bearer according to the present disclosure.
Fig. 2 is a flowchart illustrating further embodiments of the method for establishing a bearer according to the present disclosure.
Fig. 3 is a flowchart illustrating further embodiments of the method for establishing a bearer according to the present disclosure.
Fig. 4 is a schematic diagram of some embodiments of a gateway device for establishing a bearer according to the present disclosure.
Fig. 5 is a schematic diagram of further embodiments of a gateway device for establishing a bearer according to the present disclosure.
Fig. 6 is a schematic structural diagram of some embodiments of the gateway device for establishing a bearer according to 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.
Fig. 1 is a flow chart of some embodiments of a method for establishing a bearer according to the present disclosure.
As shown in fig. 1, the method of this embodiment includes: and (110) to 150.
In step 110, the gateway device establishes a dynamic guaranteed bit rate bearer.
The dynamic guaranteed bit rate bearer is a bearer which preferentially provides service guarantee for a service flow with a guaranteed bit rate, and the bearer can be used by a service flow with a non-guaranteed bit rate when the idle state of the bearer meets a certain condition.
The gateway device detects whether a guaranteed bit rate traffic is carried over a dynamically guaranteed bit rate bearer, and if so, performs step 120, and if not, performs step 140.
In step 120, if the gateway device detects that the traffic flow without guaranteed bit rate in the preset time period passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a suspended state, so that the traffic flow without guaranteed bit rate can use the bandwidth resource of the dynamic guaranteed bit rate bearer.
The gateway device switches the state of the dynamic guaranteed bit rate bearer to the suspended state, and simultaneously triggers the related network element to cache the bearer parameters before the dynamic guaranteed bit rate bearer is switched to the suspended state, so as to recover the service guarantee capability of the bandwidth resources of the dynamic guaranteed bit rate bearer for the service flow of the guaranteed bit rate according to the cached bearer parameters.
The related network element is a network element providing service guarantee capability for the service flow with guaranteed bit rate. The relevant network elements include, for example: a gateway device and a base station. The cached bearer parameters include: and the information such as a bearer identifier, a guaranteed bit rate, a maximum bit rate and the like before the dynamic guaranteed bit rate bearer is switched to the suspended state.
In step 130, when the dynamic guaranteed bit rate bearer is in the suspended state, the gateway device releases the bandwidth resource of the dynamic guaranteed bit rate bearer to the service flow of the non-guaranteed bit rate, so that the idle bandwidth resource of the dynamic guaranteed bit rate bearer can be fully utilized.
In step 140, if the gateway device detects that the traffic flow with guaranteed bit rate passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to the normal state, so that the dynamic guaranteed bit rate bearer can provide service guarantee for the traffic flow with guaranteed bit rate in a timely and prior manner.
In step 150, the gateway device restores the service guarantee capability of the bandwidth resource of the dynamic guaranteed bit rate bearer for the service flow of the guaranteed bit rate when the dynamic guaranteed bit rate bearer is in the normal state.
In the above embodiment, based on the novel dynamic guaranteed bit rate bearer, if the service flow that does not guarantee the bit rate in the preset time period passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to the suspended state, and the bandwidth resource that the dynamic guaranteed bit rate bearer is released to the service flow that does not guarantee the bit rate, thereby improving the utilization rate of the bandwidth resource.
Fig. 2 is a flowchart illustrating further embodiments of the method for establishing a bearer according to the present disclosure.
As shown in fig. 2, the method of this embodiment includes: 210-250.
In step 210, the user establishes an Rx session with a PCRF (Policy and Charging Rules Function) through the capability openness platform, and establishes a dynamic guaranteed bit rate bearer for a backward traffic application.
Step 210 is implemented, for example, by steps 210 a-210 e:
step 210a, the user requests service guarantee according to the service requirement.
In step 210d, the PCRF sends an RAR (Re-Auth-request, Re-authentication authorization request) to the gateway device to indicate to establish a dynamic guaranteed bit rate bearer for the user.
The RAR carries GBR (guaranteed Bit Rate) and MBR (Maximum Bit Rate), and also carries a parameter indicating a bearer status. For example, the parameter indicates that the state of the dynamic guaranteed bit rate bearer is a normal state.
The Gateway device may be, for example, a PGW (Packet Data Network Gateway) or an SGW (Serving Gateway).
In step 210e, the gateway device returns an RAA (Re-Auth-Answer Re-authentication authorization response) to the PCRF.
Wherein, the RAA carries parameters representing the current bearer state. For example, the parameter shows that the current state of the dynamically guaranteed bit rate bearer is the normal state.
In step 220, the gateway device establishes a dynamic guaranteed bit rate bearer according to the instruction of the PCRF.
In step 230, when the traffic flow without guaranteed bit rate passes through the dynamic guaranteed bit rate bearer, the gateway device starts a timer, and if the traffic flow without guaranteed bit rate still passes through the dynamic guaranteed bit rate bearer after a predetermined time period, initiates a procedure of switching the state of the dynamic guaranteed bit rate bearer to the suspended state.
The process of switching to the suspend state in step 230 includes:
in step 230a, the gateway device sends a suspend request to the base station to request to switch the state of the dynamic guaranteed bit rate bearer to the suspend state.
In step 230b, if the base station agrees to the suspend request, the base station buffers the bearer parameters before the dynamic guaranteed bit rate bearer is switched to the suspend state, and returns a suspend response, so as to recover the service guarantee capability of the bandwidth resources of the dynamic guaranteed bit rate bearer for the service flow of the guaranteed bit rate according to the buffered bearer parameters.
In step 230c, if receiving a suspend response that the base station agrees to the suspend request, the gateway device switches the state of the dynamic guaranteed bit rate bearer to the suspend state, and caches the bearer parameters before the dynamic guaranteed bit rate bearer is switched to the suspend state, so as to recover the service guarantee capability of the bandwidth resources of the dynamic guaranteed bit rate bearer for the service flow at the guaranteed bit rate according to the cached bearer parameters.
The bearer parameters cached in steps 230b and 230c include: and the information such as a bearer identifier, a guaranteed bit rate, a maximum bit rate and the like before the dynamic guaranteed bit rate bearer is switched to the suspended state.
In step 240, when the dynamic guaranteed bit rate bearer is in the suspended state, the gateway device releases the bandwidth resource of the dynamic guaranteed bit rate bearer to the service flow of the non-guaranteed bit rate, so that the idle bandwidth resource of the dynamic guaranteed bit rate bearer can be fully utilized.
In step 250, if it is detected that the service flow with guaranteed bit rate passes through the dynamic guaranteed bit rate bearer, the gateway device initiates a procedure of switching the state of the dynamic guaranteed bit rate bearer to a normal state, so that the dynamic guaranteed bit rate bearer can provide service guarantee for the service flow with guaranteed bit rate in a timely and preferential manner.
The process of switching to the normal state in step 250 includes:
in step 250a, the gateway device sends a recovery request to the base station to recover the service guarantee capability of the bandwidth resource carried by the dynamic guaranteed bit rate for the service flow of the guaranteed bit rate.
In step 250b, if the base station agrees to the recovery request, according to the cached bearer parameters, the base station recovers the service guarantee capability of the bandwidth resource carried by the dynamic guaranteed bit rate for the service stream of the guaranteed bit rate, and returns a recovery response.
In step 250c, if receiving a recovery response that the base station agrees to the recovery request, the gateway device switches the state of the dynamic guaranteed bit rate bearer to a normal state, and recovers the service guarantee capability of the bandwidth resource of the dynamic guaranteed bit rate bearer for the service stream of the guaranteed bit rate according to the cached bearer parameters.
In the above embodiment, a novel dynamic guaranteed bit rate bearer is established based on the application of the user, and if no traffic flow guaranteeing the bit rate passes through the dynamic guaranteed bit rate bearer within a preset time period, the state of the dynamic guaranteed bit rate bearer is switched to the suspended state, and the bandwidth resource born by the dynamic guaranteed bit rate is released to the traffic flow not guaranteeing the bit rate, thereby improving the utilization rate of the bandwidth resource.
Fig. 3 is a flowchart illustrating further embodiments of the method for establishing a bearer according to the present disclosure.
As shown in fig. 3, the method of this embodiment includes: 310 to 350.
At step 310, a service policy for establishing a dynamic guaranteed bit rate bearer is preconfigured at the gateway device.
In step 320, the gateway device establishes a dynamic guaranteed bit rate bearer for the service flow according with the service policy according to the service policy configured in advance.
For example, the service policy is preconfigured as follows: setting up the traffic requires establishing a dynamically guaranteed bit rate bearer. When detecting that the user uses the set service, the gateway device requests the PCRF to establish a dynamic guaranteed bit rate bearer, and the PCRF authorizes and activates a pre-configured service policy, thereby establishing the dynamic guaranteed bit rate bearer.
The subsequent steps 330 to 350 are the same as the steps 230 to 250, and are not described herein again.
In the above embodiment, a novel dynamic guaranteed bit rate bearer is established based on a preconfigured service policy, and if a service flow that does not guarantee a bit rate in a preset time period passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a suspended state, and bandwidth resources borne by the dynamic guaranteed bit rate are released to a service flow that does not guarantee a bit rate, so that the utilization rate of the bandwidth resources is improved.
Fig. 4 is a schematic diagram of some embodiments of a gateway device for establishing a bearer according to the present disclosure.
As shown in fig. 4, the gateway device of this embodiment includes: modules 410-430.
A bearer establishing module 410 for establishing a dynamic guaranteed bit rate bearer.
A state switching module 420, configured to switch a state of the dynamic guaranteed bit rate bearer to a suspended state if it is detected that the traffic flow without the guaranteed bit rate in the preset time period passes through the dynamic guaranteed bit rate bearer.
The resource processing module 430 is configured to release bandwidth resources of the dynamic guaranteed bit rate bearer to the non-guaranteed bit rate service flow when the dynamic guaranteed bit rate bearer is in the suspended state.
In some embodiments, the state switching module 420 is further configured to switch the state of the dynamic guaranteed bit rate bearer to a normal state if it is detected that the guaranteed bit rate traffic flows through the dynamic guaranteed bit rate bearer. The resource processing module 430 is further configured to recover, when the dynamic guaranteed bit rate bearer is in a normal state, a service guarantee capability of the bandwidth resource of the dynamic guaranteed bit rate bearer for the service flow with the guaranteed bit rate.
In some embodiments, the bearer establishing module 410 is configured to, in response to an indication that the PCRF establishes the dynamic guaranteed bit rate bearer, establish the dynamic guaranteed bit rate bearer, where the indication is issued by the PCRF according to an application for establishing the dynamic guaranteed bit rate bearer by the user; or, the method is used for establishing a dynamic guaranteed bit rate bearer for the service flow according with the service policy according to the service policy configured in advance.
As shown in fig. 5, the gateway device further includes: the caching module 440 is configured to trigger the relevant network element to cache the bearer parameter before the dynamic guaranteed bit rate bearer is switched to the suspended state while the state of the dynamic guaranteed bit rate bearer is switched to the suspended state, so as to recover, according to the cached bearer parameter, a service guarantee capability that a bandwidth resource of the dynamic guaranteed bit rate bearer is used by a service flow with a guaranteed bit rate. The related network element is a network element providing service guarantee capability for the service flow with guaranteed bit rate. The related network elements comprise: a gateway device and a base station. The cached bearer parameters include: the dynamic guaranteed bit rate bearer is switched to the bearer identity, the guaranteed bit rate and the maximum bit rate before the suspended state.
Fig. 6 is a schematic structural diagram of some embodiments of the gateway device for establishing a bearer according to the present disclosure.
As shown in fig. 6, the gateway apparatus 600 of this embodiment includes: a memory 610 and a processor 620 coupled to the memory 610, the processor 620 being configured to perform a method of establishing a bearer in any of the embodiments described above based on instructions stored in the memory 610.
The gateway device 600 may also include an input-output interface 630, a network interface 640, a storage interface 650, and the like. These interfaces 630, 640, 650 and the connections between the memory 610 and the processor 620 may be, for example, via a bus 660. The input/output interface 630 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, and a touch screen. The network interface 640 provides a connection interface for various networking devices. The storage interface 650 provides a connection interface for external storage devices such as an SD card and a usb disk.
The present disclosure also proposes a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of establishing a bearer in any of the foregoing embodiments.
As will be appreciated by one of skill 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, special purpose computer, 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 (12)
1. A method of establishing a bearer, comprising:
the gateway equipment establishes a dynamic guaranteed bit rate bearer;
if the gateway device detects that the service flow without guaranteed bit rate in the preset time period passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a suspended state;
and when the dynamic guaranteed bit rate bearer is in a suspended state, the gateway equipment releases bandwidth resources borne by the dynamic guaranteed bit rate to a service flow of a non-guaranteed bit rate.
2. The method of claim 1, further comprising:
if the gateway device detects that the service flow with guaranteed bit rate passes through the dynamic guaranteed bit rate bearer, the state of the dynamic guaranteed bit rate bearer is switched to a conventional state;
and when the dynamic guaranteed bit rate bearer is in a conventional state, the gateway equipment recovers the service guarantee capability of bandwidth resources borne by the dynamic guaranteed bit rate for the service flow with the guaranteed bit rate.
3. The method of claim 2, further comprising:
the gateway device switches the state of the dynamic guaranteed bit rate bearer to a suspended state, and simultaneously triggers a related network element to cache the bearer parameters before the dynamic guaranteed bit rate bearer is switched to the suspended state, so as to recover the service guarantee capability of bandwidth resources of the dynamic guaranteed bit rate bearer for service flow of the guaranteed bit rate according to the cached bearer parameters;
the relevant network element is a network element providing service guarantee capability for the service flow with guaranteed bit rate.
4. The method of claim 1, wherein,
the gateway equipment responds to an instruction of PCRF for establishing a dynamic guaranteed bit rate bearer, and establishes the dynamic guaranteed bit rate bearer, wherein the instruction is sent by the PCRF according to an application for establishing the dynamic guaranteed bit rate bearer by a user;
or, the gateway device establishes a dynamic guaranteed bit rate bearer for the service flow according with the service policy according to the service policy configured in advance.
5. The method of claim 3, wherein,
the related network element comprises: the gateway device and the base station;
the cached bearer parameters include: and the dynamic guaranteed bit rate bearer is switched to a bearer identifier, a guaranteed bit rate and a maximum bit rate before the suspended state.
6. A gateway device for establishing a bearer, comprising:
a bearer establishing module, configured to establish a dynamically guaranteed bit rate bearer;
a state switching module, configured to switch a state of the dynamic guaranteed bit rate bearer to a suspended state if it is detected that a traffic flow without a guaranteed bit rate in a preset time period passes through the dynamic guaranteed bit rate bearer;
and the resource processing module is used for releasing the bandwidth resource borne by the dynamic guaranteed bit rate to the service flow of the non-guaranteed bit rate when the dynamic guaranteed bit rate bearing is in a suspended state.
7. The gateway device of claim 6, wherein
The state switching module is further configured to switch the state of the dynamic guaranteed bit rate bearer to a conventional state if it is detected that the service flow with the guaranteed bit rate passes through the dynamic guaranteed bit rate bearer;
the resource processing module is further configured to recover, when the dynamic guaranteed bit rate bearer is in a normal state, a service guarantee capability that bandwidth resources of the dynamic guaranteed bit rate bearer are used by a service flow of a guaranteed bit rate.
8. The gateway device of claim 7, further comprising:
a cache module, configured to trigger a relevant network element to cache a bearer parameter before the dynamic guaranteed bit rate bearer is switched to the suspended state while the state of the dynamic guaranteed bit rate bearer is switched to the suspended state, so as to recover, according to the cached bearer parameter, a service guarantee capability that a bandwidth resource carried by the dynamic guaranteed bit rate is used by a service flow at a guaranteed bit rate;
the relevant network element is a network element providing service guarantee capability for the service flow with guaranteed bit rate.
9. The gateway device of claim 6,
the bearer establishing module is used for responding to an instruction of the PCRF for establishing the dynamic guaranteed bit rate bearer, and establishing the dynamic guaranteed bit rate bearer, wherein the instruction is sent by the PCRF according to an application of a user for establishing the dynamic guaranteed bit rate bearer; or, the method is used for establishing a dynamic guaranteed bit rate bearer for the service flow according with the service policy according to the service policy configured in advance.
10. The gateway device of claim 8, wherein,
the related network element comprises: the gateway device and the base station;
the cached bearer parameters include: and the dynamic guaranteed bit rate bearer is switched to a bearer identifier, a guaranteed bit rate and a maximum bit rate before the suspended state.
11. A gateway device for establishing a bearer, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of establishing a bearer of any of claims 1-5 based on instructions stored in the memory.
12. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method of establishing a bearer according to any one of claims 1 to 5.
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