CN108882296B - Method and device for processing message - Google Patents

Method and device for processing message Download PDF

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CN108882296B
CN108882296B CN201810646268.0A CN201810646268A CN108882296B CN 108882296 B CN108882296 B CN 108882296B CN 201810646268 A CN201810646268 A CN 201810646268A CN 108882296 B CN108882296 B CN 108882296B
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temporary
resource utilization
utilization rate
cps
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CN108882296A (en
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夏添
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New H3C Security Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The application provides a method and a device for processing messages, which relate to the technical field of communication, the method is applied to a management control plane CP in a Broadband Remote Access Server (BRAS), the BRAS is also provided with a temporary CP resource pool, at least one forwarding plane (UP), a temporary CP resource pool and at least one static CP distributed for each UP, wherein the temporary CP resource pool comprises at least one temporary CP, and the method comprises the following steps: when detecting that the first UP sends an online request message of a user terminal to the first CP, judging whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, determining an unused first temporary CP in a temporary CP resource pool, and sending a first redirection message to the first UP, wherein the first redirection message carries an identifier of the first temporary CP, so that the first UP sends the online request message to the first temporary CP. By adopting the method and the device, the utilization rate of network resources can be improved.

Description

Method and device for processing message
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for processing a packet.
Background
With the explosion of mobile internet, the number of mobile users and the amount of traffic have increased dramatically. In order to improve the performance and capacity of a BRAS (Broadband Remote Access Server), an operator processes and forwards a message of a mobile user by using a BRAS with a forwarding plane and a control plane separated from each other. Among them, BRAS includes CP (Control Plane) and UP (User Plane, User Plane (also referred to as forwarding Plane)). In a User area, the CP is connected to a RADIUS (Remote Authentication Dial In User Service) server, a DHCP (Dynamic Host Configuration Protocol) server, and other Service systems, and is configured to receive a Dial-UP packet reported by an UP In a certain area and authenticate a mobile User. After passing the authentication, the CP sends down a forwarding table entry to the UP, so that the UP forwards the service message of the mobile user according to the forwarding table entry.
Currently, tidal effects are common in communication systems. The tidal effect means that as mobile users regularly flow directionally in a certain time, the traffic of the mobile users also flows, so that some areas have burst traffic in a certain time, and network congestion is caused. Common tidal effects typically include both periodic migration and burst flow conditions. The periodic migration refers to: traffic periodically migrates between the zones but the total traffic remains substantially constant. It is commonly found in Central Business Districts (CBD), large residential districts, dormitory districts and teaching districts in campus networks. For example, during working hours and non-working hours, mobile users often migrate between the CBD and residential areas. Burst flow means: the traffic volume rises abruptly within a certain period of time. It is often used in large-scale gatherings, concerts, sports competitions, etc. For example, a stadium aggregates a large number of mobile users during the time a sporting event is held.
To cope with tidal effects, operators will design the performance and capacity of each area to be the maximum traffic volume when the network is built and planned. For example, the total user volume for zone 1 and zone 2 is 100, but during the day, the peak user volume for zone 1 is 90; at night, the peak user volume for zone 2 is 90. The operator sets the number of users of the CP corresponding to the area 1 and the area 2 to 180. However, the actual total user amount of the area 1 and the area 2 is 100, which results in a low utilization of network resources.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method and an apparatus for processing a packet, which can improve the utilization rate of network resources. The specific technical scheme is as follows.
In a first aspect, a method for processing a packet is provided, where the method is applied to a management control plane CP in a broadband remote access server BRAS, and the BRAS is further provided with a temporary CP resource pool, at least one forwarding plane UP, and at least one static CP allocated to each UP, where the temporary CP resource pool includes at least one temporary CP, and the method includes:
when detecting that a first UP sends an online request message of a user terminal to a first CP, judging whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold value, wherein the first CP is a CP distributed by the first UP for the management CP;
if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, determining an unused first temporary CP in the temporary CP resource pool, and sending a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends the online request packet to the first temporary CP.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the method further includes:
if an unused temporary CP exists in the temporary CP resource pool, executing the step of determining an unused first temporary CP in the temporary CP resource pool;
if the unused temporary CP does not exist in the temporary CP resource pool, determining a second CP with the lowest resource utilization rate in the CPs distributed for the first UP, and sending a second redirection message to the first UP, wherein the second redirection message carries an identifier of the second CP, so that the first UP sends the online request message to the second CP.
With reference to the first aspect, in a second possible implementation manner of the first aspect, the method further includes:
if the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, judging whether the resource utilization rates of other CPs allocated by the first UP are greater than the preset resource utilization rate threshold;
if the resource utilization rate of other CPs allocated for the first UP is greater than the preset resource utilization rate threshold, executing the step of determining the unused first temporary CP in the temporary CP resource pool;
and if a CP with the resource utilization rate smaller than the preset resource utilization rate threshold exists in other CPs allocated to the first UP, sending a third redirection message to the first UP, wherein the third redirection message carries an identifier of a third CP, so that the first UP sends the online request message to the third CP, and the third CP is the CP with the lowest resource utilization rate in the other CPs allocated to the first UP.
With reference to the first aspect, in a third possible implementation manner of the first aspect, the method further includes:
if all the user terminals corresponding to the first temporary CP are offline, releasing the first temporary CP; alternatively, the first and second electrodes may be,
and if the first UP is not detected to send an online request message of the user terminal to the first temporary CP within the preset aging duration, releasing the first temporary CP.
With reference to the first aspect, in a fourth possible implementation manner of the first aspect, after determining an unused first temporary CP in the temporary CP resource pool, the method further includes:
and adding a table item of the corresponding relation between the first UP and the first temporary CP in a preset corresponding relation table between the UP and the CP.
With reference to the first aspect, in a fifth possible implementation manner of the first aspect, the method further includes:
when it is detected that the current time is within a preset first time range, determining a first proportion of temporary CPs from unused temporary CPs in the temporary CP resource pool, and allocating the first proportion of temporary CPs to the first UP.
In a second aspect, a device for processing a packet is provided, where the device is applied to a management control plane CP in a broadband remote access server BRAS, and the BRAS is further provided with a temporary CP resource pool, at least one forwarding plane UP, and at least one static CP allocated to each UP, where the temporary CP resource pool includes at least one temporary CP, and the device includes:
a first determining module, configured to determine whether a resource utilization rate of a first CP is greater than a preset resource utilization rate threshold when it is detected that a first UP sends an online request packet of a user terminal to the first CP, where the first CP is a CP allocated by the management CP for the first UP;
a first sending module, configured to determine, if the resource utilization of the first CP is greater than the preset resource utilization threshold, an unused first temporary CP in the temporary CP resource pool, and send a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends the online request packet to the first temporary CP.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the apparatus further includes:
a first determining module, configured to trigger the first sending module to execute the step of determining an unused first temporary CP in the temporary CP resource pool if an unused temporary CP exists in the temporary CP resource pool;
a second sending module, configured to determine a second CP with a lowest resource utilization rate among the CPs allocated to the first UP if an unused temporary CP does not exist in the temporary CP resource pool, and send a second redirection packet to the first UP, where the second redirection packet carries an identifier of the second CP, so that the first UP sends the online request packet to the second CP.
With reference to the second aspect, in a second possible implementation manner of the second aspect, the apparatus further includes:
a second determining module, configured to determine whether the resource utilization of the other CPs allocated by the first UP is greater than a preset resource utilization threshold if the resource utilization of the first CP is greater than the preset resource utilization threshold;
a second determining module, configured to trigger the first sending module to execute the step of determining, by the first sending module, an unused first temporary CP in the temporary CP resource pool if the resource utilization rates of other CPs allocated for the first UP are all greater than the preset resource utilization threshold;
a third sending module, configured to send a third redirect packet to the first UP if there is a CP with a resource utilization rate smaller than the preset resource utilization rate threshold in other CPs allocated to the first UP, where the third redirect packet carries an identifier of a third CP, so that the first UP sends the online request packet to the third CP, and the third CP is a CP with a lowest resource utilization rate in the other CPs allocated to the first UP.
With reference to the second aspect, in a third possible implementation manner of the second aspect, the apparatus further includes:
a first releasing module, configured to release the first temporary CP if all the user terminals corresponding to the first temporary CP are offline; alternatively, the first and second electrodes may be,
and a second release module, configured to release the first temporary CP if it is not detected that the first UP sends the online request packet of the user terminal to the first temporary CP within a preset aging duration.
With reference to the second aspect, in a fourth possible implementation manner of the second aspect, the apparatus further includes:
and the adding module is used for adding a table item of the corresponding relation between the first UP and the first temporary CP in a preset corresponding relation table between the UP and the CP.
With reference to the second aspect, in a fifth possible implementation manner of the second aspect, the apparatus further includes:
and the allocating module is used for determining a first proportion of temporary CPs from unused temporary CPs in the temporary CP resource pool when the current time is detected to be in a preset first time range, and allocating the first proportion of temporary CPs to the first UP.
In a third aspect, a message processing device is provided, which includes a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete mutual communication through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of the first aspect when executing the program stored in the memory.
In a fourth aspect, there is provided a machine-readable storage medium storing machine-executable instructions that, when invoked and executed by a processor, cause the processor to: the method steps of the first aspect are implemented.
In a fifth aspect, there is provided a computer program product containing instructions which, when run on a computer, cause the computer to perform any of the above described methods of processing messages.
The embodiment of the application provides a method for processing a message, wherein a BRAS is provided with a temporary CP resource pool, and the temporary CP resource pool comprises at least one temporary CP capable of being dynamically scheduled. When the first UP is detected to send the on-line request message of the user terminal to the first CP, whether the resource utilization rate of the first CP is larger than a preset resource utilization rate threshold value or not is judged, if the resource utilization rate of the first CP is larger than the preset resource utilization rate threshold value, the unused first temporary CP is determined in a temporary CP resource pool, and a first redirection message is sent to the first UP, wherein the first redirection message carries the identification of the first temporary CP, so that the first UP sends the on-line request message to the first temporary CP. Thus, when the first CP is overloaded and cannot process the on-line request message sent by the first UP, the unused first temporary CP in the temporary resource pool is allocated for the first UP to process the on-line request message. Based on the scheme, a network does not need to be designed according to the maximum traffic of each area, and the utilization rate of network resources can be improved while the problem of network congestion caused by a tidal effect is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a system framework diagram provided by an embodiment of the present application;
fig. 2 is a flowchart of a method for processing a packet according to an embodiment of the present application;
fig. 3 is a flowchart of an example of a method for processing a packet according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an apparatus for processing a packet according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an apparatus for processing a packet according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an apparatus for processing a packet according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an apparatus for processing a packet according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an apparatus for processing a packet according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an apparatus for processing a packet according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a management CP according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a method for processing a message, which can be applied to a management CP in a BRAS. A BRAS includes a CP and at least one UP. In the embodiment of the present invention, a CP in a BRAS may be divided into a plurality of virtual CPs (also referred to as virtual BRAS). The plurality of virtual CPs can be classified into a static CP, a temporary CP and a management CP. Wherein, the static CP is a virtual CP fixedly allocated to a certain UP; the temporary CP is a virtual CP temporarily distributed to the UP for processing the on-line request message when the virtual CP corresponding to the UP is overloaded; the management CP is used for determining whether to allocate the temporary CP to the UP according to the resource utilization rate of each virtual CP corresponding to the UP.
Fig. 1 is a system framework diagram provided in an embodiment of the present application, and as shown in fig. 1, the system may include a BRAS, a user terminal 1, and a user terminal 2. BRAS may include a management CP, UP1, UP2, static CP1 corresponding to UP1, static CP2 corresponding to UP2, and a temporary CP resource pool. The temporary CP resource pool comprises a temporary CP1 and a temporary CP 2. The user terminal 1 and the user terminal 2 are connected with UP1 and UP2 respectively, UP1, UP2, static CP1, static CP2, temporary CP1, temporary CP2 and management CP, the UP1 is used for processing the messages of the user terminal in the area 1, and the UP2 is used for processing the messages of the user terminal in the area 2. When the management CP detects that the UP1 sends the on-line request message of the user terminal 1 to the static CP1, it may be determined whether the resource utilization rate of the static CP1 is greater than the preset resource utilization rate threshold. If the resource utilization rate of the static CP1 is greater than the preset resource utilization rate threshold, the management CP determines an unused temporary CP1 in the temporary CP resource pool and sends a first redirection message to the UP 1. Wherein, the first redirection message carries the identifier of the temporary CP 1. The UP1 receives the first redirection packet, and then forwards the online request packet sent by the user terminal 1 to the temporary CP 1.
A method for processing a packet provided in the embodiment of the present application will be described in detail below with reference to a specific embodiment, as shown in fig. 2, the specific steps are as follows.
Step 201, when it is detected that the first UP sends a request message for getting online of the user terminal to the first CP, determining whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold.
Wherein, the first CP is a CP allocated by the management CP for the first UP.
In implementation, when a user terminal needs to access to a network, the user terminal may send an uplink request message to a UP (i.e., a first UP) in a region to which the user terminal belongs. After receiving the on-line request message sent by the user terminal, the first UP may forward the on-line request message to a CP (i.e., a first CP) that currently processes the on-line request message.
The first CP may be a static CP allocated by the management CP for the first UP, or a temporary CP allocated by the management CP for the first UP. For example, if the resource utilization rate of the first static CP allocated by the management CP for the first UP is not greater than the preset resource utilization threshold, when the first UP receives an online request message sent by the user terminal, the online request message is sent to the first static CP, the first static CP is a CP currently processing the online request message, that is, the first CP, and at this time, the CP allocated by the management CP for the first UP is the first static CP. If the resource utilization rate of the first static CP allocated by the management CP for the first UP is greater than the preset resource utilization rate threshold, the management CP allocates the temporary CP1 to the first UP, at this time, the CP allocated by the management CP for the first UP includes the first static CP and the temporary CP1, when the first UP receives an online request message sent by the user terminal, the online request message is sent to the temporary CP1, the temporary CP1 is a CP currently processing the online request message, i.e., the first CP, and at this time, the CP allocated by the management CP for the first UP is the first static CP and the temporary CP 1.
The management CP may store a resource utilization threshold in advance, and the resource utilization threshold may be set by a technician based on experience. For example, the technician may set the resource utilization threshold of the CP to 80% in the management CP by way of a command. The command format may be: vbras resource-limit 80. The management CP may detect in real time whether the first UP sends the on-line request packet of the user terminal to the first CP, and when the management CP detects that the first UP sends the on-line request packet of the user terminal to the first CP, determine whether the resource utilization rate of the first CP is greater than or equal to a preset resource utilization rate threshold. If yes, it indicates that the first CP is overloaded and cannot process the on-line request packet, and the management CP performs step 202. Otherwise, it indicates that the first CP is not overloaded, and may process the online request packet. The resources of the first CP may include a memory of the first CP, a Central Processing Unit (CPU), and other resources that affect the Processing efficiency of the first CP.
Step 202, if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, determining an unused first temporary CP in the temporary CP resource pool, and sending a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends an online request packet to the first temporary CP.
In implementation, if the resource utilization rate of the first CP is greater than or equal to the preset resource utilization rate threshold, the management CP may randomly select an unused temporary CP (i.e., the first temporary CP) in the temporary CP resource pool to process the online request packet, and send the first redirection packet to the first UP. The first redirection message may carry an identifier of the first temporary CP. After the management CP selects the first temporary CP from the temporary CP resource pool, the management CP may store the correspondence between the first UP and the first temporary CP in the correspondence table between the UP and the CP, so as to prevent the subsequent management CP from allocating the first temporary CP to other UPs. Correspondingly, when the management CP selects the temporary CP from the temporary CP resource pool, the unused temporary CP may also be determined according to the correspondence table between the UP and the CP.
After receiving the first redirection packet, the first UP may set the first temporary CP as a CP for processing the access request packet, and subsequently, when receiving an online request packet sent by the user terminal, the first UP may forward the online request packet to the first temporary CP. The first temporary CP sends an authentication request to an authentication server (e.g., an AAA (authentication authorization accounting) server) according to the online request message. The authentication request carries authentication information corresponding to the user terminal. If the authentication is passed, the first temporary CP can inform the user terminal of getting online through the first UP, access control is carried out on the user terminal, and meanwhile, the authentication server can start charging and other operations on the user terminal. After the user terminal is on line, the first temporary CP may also generate a user management table entry and send it to the first UP. After receiving the user management table, the first UP may generate a hardware forwarding table according to the user management table. Subsequently, when the first UP receives a service packet sent by the user terminal, the service packet may be forwarded according to the hardware forwarding table entry.
It should be noted that, if the user terminal is a dynamic user, after receiving the online request message, the first temporary CP may analyze the online request message to obtain user terminal information such as a physical location of the user terminal. Then, the first temporary CP may generate authentication information (e.g., a user name and a password) corresponding to the user terminal according to the user terminal information, and send an authentication request to the authentication server. The authentication request may carry authentication information corresponding to the user terminal.
If the user terminal is a static user, after receiving the online request message, the first temporary CP can acquire the pre-configured authentication information corresponding to the user terminal and send an authentication request to the authentication server. The authentication request may carry authentication information corresponding to the user terminal.
According to the method for processing the message, the temporary CP resource pool is introduced into the BRAS transfer control separation networking, so that the BARS system can dynamically allocate resources according to the dynamic change of the network service, the tidal effect of the mobile network can be effectively responded, the allocation according to needs can be realized, the resource utilization rate is improved, a large number of network service bursts or migrations can be intelligently responded, the network construction cost of an operator is reduced, and a high-efficiency network is constructed.
Optionally, the management CP may first determine whether a temporary CP not used by other UPs exists in the temporary CP resource pool. Then, the corresponding steps are executed according to the judgment result, and the specific processing procedure is as follows.
And if the judgment result is that the unused temporary CP exists in the temporary CP resource pool, executing the step of determining the unused first temporary CP in the temporary CP resource pool.
In implementation, if there is a temporary CP that is not used by other UPs in the temporary CP resource pool, the management CP may determine an unused first temporary CP in the temporary CP resource pool, and the specific processing procedure is detailed in step 202 and is not described herein again.
Optionally, after the management CP determines the unused first temporary CP in the temporary CP resource pool, an entry of the corresponding relationship between the first UP and the first temporary CP may be added in a preset corresponding relationship table between the UP and the CP.
In implementation, after the management CP determines an unused first temporary CP in the temporary CP resource pool, the corresponding relationship between the first UP and the first temporary CP may be added to a preset corresponding relationship table between the UP and the CP. The management CP may also detect the resource utilization rate of the CP allocated for the first UP in real time, and store the resource utilization rate of the allocated CP in the correspondence table between the UP and the CP. The corresponding relationship table can be as shown in table one.
Watch 1
Figure BDA0001703584940000101
And if the temporary CP resource pool does not have unused temporary CP, determining a second CP with the lowest resource utilization rate in the CPs distributed for the first UP, and sending a second redirection message to the first UP, wherein the second redirection message carries an identifier of the second CP, so that the first UP sends an online request message to the second CP.
In implementation, if there is no temporary CP unused by other UPs in the temporary CP resource pool, the management CP may select a CP with the lowest resource utilization rate (i.e., a second CP) from the CPs allocated to the first UP to process the onlineup request packet, and send a second redirect packet to the first UP. The second redirection message may carry an identifier of the second CP. In this way, after receiving the second redirection packet, the first UP may set the second CP as the CP for processing the access request packet, and subsequently, after receiving the uplink request packet sent by the user terminal, the first UP may forward the uplink request packet to the second CP.
Optionally, if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, the management CP may further determine whether the resource utilization rates of other CPs allocated to the first UP are all greater than the preset resource utilization rate threshold. And if the resource utilization rate of other CPs allocated for the first UP is greater than a preset resource utilization rate threshold, executing a step of determining unused first temporary CP in the temporary CP resource pool. And if the other CPs allocated for the first UP have the CP with the resource utilization rate smaller than the preset resource utilization rate threshold, sending a third redirection message to the first UP, wherein the third redirection message carries an identifier of the third CP, so that the first UP sends an online request message to the third CP, and the third CP is the CP with the lowest resource utilization rate in the other CPs allocated for the first UP.
In implementation, if the resource utilization rates of the other CPs allocated to the first UP are all greater than the preset resource utilization rate threshold, it indicates that the other CPs allocated to the first UP cannot process the on-line request packet, and the management CP may determine the unused first temporary CP in the temporary CP resource pool, and the specific processing process is detailed in step 202 and is not described herein again.
If there is a CP whose resource utilization rate is smaller than the preset resource utilization rate threshold in the other CPs allocated to the first UP, it indicates that there is a CP that can process the on-line request message in the other CPs allocated to the first UP. Correspondingly, the management CP may select a CP with the lowest resource utilization rate (i.e., a third CP) from other CPs allocated to the first UP to process the online request packet, and send a third redirect packet to the first UP. The third redirection message may carry an identifier of the third CP. In this way, after receiving the third redirection packet, the first UP may set the third CP as the CP for processing the access request packet, and subsequently, after receiving the uplink request packet sent by the user terminal, the first UP may forward the uplink request packet to the third CP. The other CPs allocated for the first UP may include a static CP allocated by the management CP for the first UP, and may further include a temporary CP allocated by the management CP for the first UP.
Optionally, the management CP may also release the first temporary CP when the first temporary CP meets the preset condition, and a specific processing manner may be as follows.
In the first mode, if all the user terminals corresponding to the first temporary CP are offline, the first temporary CP is released.
In implementation, if all the user terminals accessed on the first temporary CP are offline, it indicates that the first temporary CP is in an idle state, and at this time, the management CP may release the first temporary CP, so that the subsequent management CP allocates the first temporary CP to other UPs for use.
In a second mode, if the first UP is not detected to send the on-line request message of the user terminal to the first temporary CP within the preset aging duration, the first temporary CP is released, so that the subsequent management CP allocates the first temporary CP to other UPs for use.
In implementation, the aging duration corresponding to the CP allocated for the first UP may be stored in advance in the management CP. The aging period may be set by a technician based on experience. If the management CP does not receive the on-line request message sent by the first UP to the first temporary CP within the aging duration corresponding to the first temporary CP, it indicates that the first temporary CP is in an idle state, and at this time, the management CP may release the first temporary CP, so that the subsequent management CP allocates the first temporary CP to another UP for use. For example, as shown in table two, the aging duration corresponding to the first temporary CP is 20 hours, and if the management CP does not receive the online request message sent by the first UP to the first temporary CP in 20 consecutive hours, the first temporary CP is released.
Watch two
UP name Static CP/resource utilization Temporary CP/resource utilization Length of aging
First UP First static CP/80% First temporary CP/40% 20 hours
Second UP Second static CP/60% --- ---
It should be noted that, if the first temporary CP is a CP currently processing the on-line request packet in the CPs allocated to the first UP, the management CP releases the first temporary CP. The management CP may select a CP with the lowest resource utilization rate (i.e., a fourth CP) from among the CPs allocated to the first UP to process the online request packet, and send a fourth redirect packet to the first UP. The fourth redirection message may carry an identifier of the fourth CP. In this way, after receiving the fourth redirection packet, the first UP may set the fourth CP as the CP for processing the access request packet, and subsequently, after receiving the online request packet sent by the user terminal, the first UP may forward the online request packet to the fourth CP.
Alternatively, the management CP may allocate a temporary CP to the first UP according to the current time. The specific processing procedure is as follows. When it is detected that the current time is within a preset first time range, a first proportion of temporary CPs are determined from unused temporary CPs in the temporary CP resource pool, and the first proportion of temporary CPs are allocated to the first UP.
In implementation, the time range and the allocation ratio corresponding to each UP may be stored in the management CP in advance. The time range and the distribution ratio can be set by the skilled person empirically. When the management CP detects that the current time is in the first time range corresponding to the first UP, the management CP may determine a first proportion of temporary CPs, from the temporary CPs that are not used by other UPs in the temporary CP resource pool, and allocate the first proportion of temporary CPs to the first UP. For example, the time range for the first UP is 9: 00 to 18: 00, the allocation ratio is 80%, the temporary CP resource pool includes 10 unused temporary CPs, and when the management CP detects that the current time is 9: 00 to 18: 00, the management CP may select 8 temporary CPs from the temporary CP resource pool to allocate to the first UP. When the management CP detects that the first time range ends at the current time, the management CP releases the temporary CPs. In this way, the management CP may allocate the temporary CP with the first proportion to the first UP in the region corresponding to the first time range according to the first time range to which the current time belongs, so as to relieve the flow pressure of the first UP.
Similarly, in this embodiment of the present application, time ranges may also be configured on the AAA server, and a region corresponding to each time range is set. In this way, the AAA server may preferentially process the authentication request sent by the CP in the area corresponding to the second time range according to the time range (which may be referred to as the second time range) to which the current time belongs, thereby further relieving the pressure of the large traffic.
The embodiment of the application provides a method for processing a message, wherein a BRAS is provided with a temporary CP resource pool, and the temporary CP resource pool comprises at least one temporary CP capable of being dynamically scheduled. When detecting that the first UP sends an online request message of a user terminal to the first CP, judging whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, determining an unused first temporary CP in a temporary CP resource pool, and sending a first redirection message to the first UP, wherein the first redirection message carries an identifier of the first temporary CP, so that the first UP sends the online request message to the first temporary CP. Thus, when the first CP is overloaded and cannot process the on-line request message sent by the first UP, the unused first temporary CP in the temporary resource pool is allocated for the first UP to process the on-line request message. Based on the scheme, a network does not need to be designed according to the maximum traffic of each area, and the utilization rate of network resources can be improved while the problem of network congestion caused by the tidal effect is solved.
As shown in fig. 3, an example of a method for processing a packet according to an embodiment of the present invention specifically includes the following steps.
Step 301, the management CP detects that the first UP sends a request message for getting online of the user terminal to the first CP.
The first CP is a CP currently allocated by the management CP for the first UP, and may be a static CP or a temporary CP.
Step 302, the management CP determines whether the resource utilization of the first CP is greater than a preset resource utilization threshold.
If the resource utilization of the first CP is greater than or equal to the preset resource utilization threshold, execute step 303; and if the resource utilization rate of the first CP is less than the preset resource utilization rate threshold value, executing the steps 314-315.
In step 303, the management CP determines whether the resource utilization of the other CPs allocated by the first UP is greater than a preset resource utilization threshold.
If the resource utilization rates of other CPs allocated for the first UP are all larger than a preset resource utilization rate threshold, then steps 304-310 are carried out; if there is a CP with the resource utilization rate less than the preset resource utilization rate threshold among other CPs allocated for the first UP, executing steps 311-313.
Step 304, the management CP determines whether there is an unused temporary CP in the temporary CP resource pool.
If the temporary CP resource pool has unused temporary CP, executing steps 305-307; if the temporary CP resource pool does not have unused temporary CP, then executing steps 308-310.
Step 305, the management CP determines an unused first temporary CP in the temporary CP resource pool, allocates the first temporary CP to the first UP, and sends a first redirection packet to the first UP.
The first redirection message carries an identifier of the first temporary CP. And the first UP receives the first redirection message and then forwards the online request message sent by the user terminal to the first temporary CP according to the identifier of the first temporary CP.
In step 306, the first temporary CP generates a user management entry.
In step 307, the first temporary CP sends the user management entry to the first UP, so that the first UP generates a hardware forwarding entry.
Step 308, the management CP determines a second CP with the lowest resource utilization rate from the CPs allocated to the first UP, and sends a second redirection packet to the first UP.
Wherein, the second redirection message carries the identifier of the second CP. And the first UP receives the second redirection message and then forwards an online request message sent by the user terminal to the second CP according to the identifier of the second CP.
In step 309, the second CP generates a user management entry.
In step 310, the second CP sends the user management table entry to the first UP, so that the first UP generates a hardware forwarding table entry.
In step 311, the management CP determines a third CP with the lowest resource utilization rate among other CPs allocated to the first UP, and sends a third redirection packet to the first UP.
And the third redirection packet carries an identifier of the third CP. And the first UP receives the third redirection message and then forwards the online request message sent by the user terminal to the third CP according to the identifier of the third CP.
In step 312, the third CP generates a user management entry.
Step 313, the third CP sends the user management entry to the first UP, so that the first UP generates a hardware forwarding entry.
In step 314, the first CP generates a user management entry.
Step 315, the first CP sends the user management entry to the first UP, so that the first UP generates a hardware forwarding entry.
Based on the same technical concept, as shown in fig. 4, an embodiment of the present application further provides a device for processing a packet, where the device is applied to a management control plane CP in a broadband remote access server BRAS, and the BRAS is further provided with a temporary CP resource pool, at least one forwarding plane UP, and at least one static CP allocated to each UP, where the temporary CP resource pool includes at least one temporary CP, and the device includes:
a first determining module 410, configured to determine, when it is detected that the first UP sends an online request packet of the user terminal to the first CP, whether a resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, where the first CP is a CP allocated by the management CP for the first UP;
a first sending module 420, configured to determine, if the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, an unused first temporary CP in the temporary CP resource pool, and send a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends an online request packet to the first temporary CP.
Optionally, as shown in fig. 5, the apparatus further includes:
a first determining module 430, configured to trigger the first sending module 420 to perform the step of determining an unused first temporary CP in the temporary CP resource pool if an unused temporary CP exists in the temporary CP resource pool;
a second sending module 440, configured to determine, if there is no unused temporary CP in the temporary CP resource pool, a second CP with a lowest resource utilization rate from among the CPs allocated to the first UP, and send a second redirection packet to the first UP, where the second redirection packet carries an identifier of the second CP, so that the first UP sends an online request packet to the second CP.
Optionally, as shown in fig. 6, the apparatus further includes:
a second determining module 450, configured to determine whether the resource utilization of the other CPs allocated by the first UP is greater than a preset resource utilization threshold if the resource utilization of the first CP is greater than the preset resource utilization threshold;
a second determining module 460, configured to trigger the first sending module 420 to execute the step of determining an unused first temporary CP in the temporary CP resource pool if the resource utilization rates of other CPs allocated for the first UP are all greater than the preset resource utilization rate threshold;
a third sending module 470, configured to send a third redirection packet to the first UP if there is a CP with a resource utilization rate smaller than a preset resource utilization rate threshold in other CPs allocated to the first UP, where the third redirection packet carries an identifier of the third CP, so that the first UP sends an online request packet to the third CP, and the third CP is a CP with the lowest resource utilization rate in the other CPs allocated to the first UP.
Optionally, as shown in fig. 7, the apparatus further includes:
a first releasing module 480, configured to release the first temporary CP if all the user terminals corresponding to the first temporary CP are offline; alternatively, the first and second electrodes may be,
the second releasing module 490 is configured to release the first temporary CP if it is not detected that the first UP sends the online request packet of the user terminal to the first temporary CP within the preset aging duration.
Optionally, as shown in fig. 8, the apparatus further includes:
an adding module 4100, configured to add an entry of a correspondence between the first UP and the first temporary CP in a preset correspondence table between the UP and the CP.
Optionally, as shown in fig. 9, the apparatus further includes:
an allocating module 4110 is configured to determine a first proportion of temporary CPs from unused temporary CPs in the temporary CP resource pool when it is detected that the current time is within a preset first time range, and allocate the first proportion of temporary CPs to the first UP.
The embodiment of the application provides a device for processing a message, wherein a BRAS is provided with a temporary CP resource pool, and the temporary CP resource pool comprises at least one temporary CP capable of being dynamically scheduled. When it is detected by the first determining module 410 that the first UP sends the on-line request packet of the user terminal to the first CP, it is determined whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, and if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, the first sending module 420 determines an unused first temporary CP in the temporary CP resource pool, and sends a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends the on-line request packet to the first temporary CP. In this way, when the first CP is overloaded and cannot process the on-line request packet sent by the first UP, the unused first temporary CP in the temporary resource pool is allocated to the first UP through the first sending module 420 to process the on-line request packet. Based on the scheme, a network does not need to be designed according to the maximum traffic of each area, and the utilization rate of network resources can be improved while the problem of network congestion caused by the tidal effect is solved.
The embodiment of the application also provides a broadband remote access server BRAS, the BRAS is provided with a management CP, the BRAS is further provided with a temporary CP resource pool, at least one forwarding plane UP and at least one static CP allocated to each UP, wherein the temporary CP resource pool comprises at least one temporary CP, as shown in fig. 10, the management CP comprises a processor 1001, a communication interface 1002, a memory 1003 and a communication bus 1004, wherein the processor 1001, the communication interface 1002 and the memory 1003 complete mutual communication through the communication bus 1004,
a memory 1003 for storing a computer program;
the processor 1001 is configured to, when executing the program stored in the memory 1003, cause the management CP to execute steps including:
when detecting that a first UP sends an online request message of a user terminal to a first CP, judging whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold value, wherein the first CP is a CP distributed by the first UP for the management CP;
if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, determining an unused first temporary CP in the temporary CP resource pool, and sending a first redirection message to the first UP, wherein the first redirection message carries an identifier of the first temporary CP, so that the first UP sends the online request message to the first temporary CP.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Alternatively, the memory may be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
The embodiment of the application provides a management CP, wherein a BRAS is provided with a temporary CP resource pool, and the temporary CP resource pool comprises at least one temporary CP capable of being dynamically scheduled. In the management CP, when it is detected that the first UP sends an online request message of a user terminal to the first CP, whether the resource utilization rate of the first CP is larger than a preset resource utilization rate threshold value or not is judged, if the resource utilization rate of the first CP is larger than the preset resource utilization rate threshold value, an unused first temporary CP is determined in a temporary CP resource pool, and a first redirection message is sent to the first UP, wherein the first redirection message carries an identifier of the first temporary CP, so that the first UP sends the online request message to the first temporary CP. Thus, when the first CP is overloaded and cannot process the on-line request message sent by the first UP, the unused first temporary CP in the temporary resource pool is allocated for the first UP to process the on-line request message. Based on the scheme, a network does not need to be designed according to the maximum traffic of each area, and the utilization rate of network resources can be improved while the problem of network congestion caused by the tidal effect is solved.
In another embodiment of the present invention, a computer-readable storage medium is further provided, in which a computer program is stored, and the computer program, when executed by a processor, implements the steps of any of the above methods for processing a message.
In yet another embodiment of the present invention, there is also provided a computer program product containing instructions which, when run on a computer, cause the computer to perform any of the methods for processing messages in the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims (14)

1. A method for processing message is characterized in that the method is applied to a management Control Plane (CP) in a Broadband Remote Access Server (BRAS), the BRAS is also provided with a temporary CP resource pool, at least one forwarding plane (UP) and at least one static CP allocated to each UP, wherein the temporary CP resource pool comprises at least one temporary CP, and the method comprises the following steps:
when detecting that a first UP sends an online request message of a user terminal to a first CP, judging whether the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, wherein the first CP is a CP distributed by the management CP for the first UP;
if the resource utilization rate of the first CP is greater than the preset resource utilization rate threshold, determining an unused first temporary CP in the temporary CP resource pool, and sending a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends the online request packet to the first temporary CP.
2. The method of claim 1, further comprising:
if an unused temporary CP exists in the temporary CP resource pool, executing the step of determining an unused first temporary CP in the temporary CP resource pool;
if the unused temporary CP does not exist in the temporary CP resource pool, determining a second CP with the lowest resource utilization rate in the CPs distributed for the first UP, and sending a second redirection message to the first UP, wherein the second redirection message carries an identifier of the second CP, so that the first UP sends the online request message to the second CP.
3. The method of claim 1, further comprising:
if the resource utilization rate of the first CP is greater than a preset resource utilization rate threshold, judging whether the resource utilization rate of other CPs allocated by the first UP is greater than the preset resource utilization rate threshold;
if the resource utilization rates of other CPs allocated for the first UP are all larger than the preset resource utilization rate threshold, executing the step of determining the unused first temporary CP in the temporary CP resource pool;
and if the other CPs allocated for the first UP have a CP with the resource utilization rate smaller than the preset resource utilization rate threshold, sending a third redirect message to the first UP, wherein the third redirect message carries an identifier of a third CP, so that the first UP sends the online request message to the third CP, and the third CP is the CP with the lowest resource utilization rate among the other CPs allocated for the first UP.
4. The method of claim 1, further comprising:
if all the user terminals corresponding to the first temporary CP are offline, releasing the first temporary CP; alternatively, the first and second electrodes may be,
and if the first UP is not detected to send an online request message of the user terminal to the first temporary CP within the preset aging duration, releasing the first temporary CP.
5. The method of claim 1, wherein after determining the unused first temporary CP in the temporary CP resource pool, the method further comprises:
and adding a table item of the corresponding relation between the first UP and the first temporary CP in a preset corresponding relation table between the UP and the CP.
6. The method of claim 1, further comprising:
when detecting that the current time is in a preset first time range, determining a first proportion of temporary CPs from unused temporary CPs in the temporary CP resource pool, and allocating the first proportion of temporary CPs to the first UP.
7. A device for processing a packet is applied to a management Control Plane (CP) in a Broadband Remote Access Server (BRAS), wherein a temporary CP resource pool, at least one forwarding plane (UP), and at least one static CP allocated to each UP are further provided in the BRAS, and the temporary CP resource pool includes the at least one temporary CP, and the device comprises:
a first determining module, configured to determine whether a resource utilization rate of a first CP is greater than a preset resource utilization rate threshold when it is detected that a first UP sends an online request packet of a user terminal to the first CP, where the first CP is a CP allocated by the management CP for the first UP;
a first sending module, configured to determine, if the resource utilization of the first CP is greater than the preset resource utilization threshold, an unused first temporary CP in the temporary CP resource pool, and send a first redirection packet to the first UP, where the first redirection packet carries an identifier of the first temporary CP, so that the first UP sends the online request packet to the first temporary CP.
8. The apparatus of claim 7, further comprising:
a first determining module, configured to trigger the first sending module to execute the step of determining an unused first temporary CP in the temporary CP resource pool if an unused temporary CP exists in the temporary CP resource pool;
a second sending module, configured to determine, if an unused temporary CP does not exist in the temporary CP resource pool, a second CP with a lowest resource utilization rate from among the CPs allocated to the first UP, and send a second redirection packet to the first UP, where the second redirection packet carries an identifier of the second CP, so that the first UP sends the online request packet to the second CP.
9. The apparatus of claim 7, further comprising:
a second determining module, configured to determine whether the resource utilization of the other CPs allocated by the first UP is greater than a preset resource utilization threshold if the resource utilization of the first CP is greater than the preset resource utilization threshold;
a second determining module, configured to trigger the first sending module to execute the step of determining, by the first sending module, an unused first temporary CP in the temporary CP resource pool if the resource utilization rates of other CPs allocated for the first UP are all greater than the preset resource utilization threshold;
a third sending module, configured to send a third redirect packet to the first UP if there is a CP with a resource utilization rate smaller than the preset resource utilization rate threshold in other CPs allocated to the first UP, where the third redirect packet carries an identifier of a third CP, so that the first UP sends the online request packet to the third CP, and the third CP is a CP with a lowest resource utilization rate in the other CPs allocated to the first UP.
10. The apparatus of claim 7, further comprising:
a first releasing module, configured to release the first temporary CP if all the user terminals corresponding to the first temporary CP are offline; alternatively, the first and second electrodes may be,
and a second release module, configured to release the first temporary CP if it is not detected that the first UP sends the online request packet of the user terminal to the first temporary CP within a preset aging duration.
11. The apparatus of claim 7, further comprising:
and the adding module is used for adding a table item of the corresponding relation between the first UP and the first temporary CP in a preset corresponding relation table between the UP and the CP.
12. The apparatus of claim 7, further comprising:
and the allocating module is used for determining a first proportion of temporary CPs from unused temporary CPs in the temporary CP resource pool when the current time is detected to be in a preset first time range, and allocating the first proportion of temporary CPs to the first UP.
13. The message processing equipment is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing the communication between the processor and the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any one of claims 1 to 6 when executing a program stored in a memory.
14. A machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to: carrying out the method steps of any one of claims 1 to 6.
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