CN112804276A - Virtualization broadband remote access server, control method thereof and communication system - Google Patents
Virtualization broadband remote access server, control method thereof and communication system Download PDFInfo
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- CN112804276A CN112804276A CN201911106749.3A CN201911106749A CN112804276A CN 112804276 A CN112804276 A CN 112804276A CN 201911106749 A CN201911106749 A CN 201911106749A CN 112804276 A CN112804276 A CN 112804276A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
Abstract
The disclosure provides a virtualized broadband remote access server, a control method thereof and a communication system. The control method comprises the following steps: the forwarding plane unit receives access information of a user and determines the type of the user, wherein the type of the user comprises an active user and an inactive user; when the user is an inactive user, the forwarding plane unit sends the access information of the user to the control plane unit; after receiving the access information, the control plane unit transfers the session information of the user from the inactive user session management module to the active user session management module, and synchronizes the session information of the user to the forwarding plane unit; and the forwarding plane unit generates or updates a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table. The method and the device improve the user session access capability and reduce the capability waste problem of the control plane.
Description
Technical Field
The disclosure relates to the technical field of communication, in particular to a virtualized broadband remote access server, a control method thereof and a communication system.
Background
A vbars (Virtual Broadband Remote Access Server) is a virtualization solution for Access control layer devices such as a current network BRAS (Broadband Remote Access Server)/MSE (Multi-Service Edge Server). The network resource pooling and the flexible provision are realized through network edge virtualization, the current network hardware chimney is broken through, the cost is reduced, and meanwhile, the operation pain points that the current special equipment is uneven in utilization rate, difficult in function upgrading, slow in on-line speed of new services and the like are solved.
In the existing vBRAS solution, the capabilities of the control plane such as the number of concurrent users are strongly related to the hardware of the forwarding plane, and the elastic performance expansion cannot be realized. For example, the control plane can access more users (e.g. 64M), but the forwarding plane is limited in hardware resources and can only access 32M users, and the session information of the control plane and the forwarding plane are synchronized, so that the device can only access 32M, resulting in a waste of the capability of the control plane.
Based on the vbars solution, the method for improving the session capability at present is mainly realized by improving the session table entry of the forwarding plane in a hardware upgrade or hardware technical innovation manner, and has high cost and certain bottleneck.
Disclosure of Invention
According to an aspect of the embodiments of the present disclosure, there is provided a control method for virtualizing a broadband remote access server, including: the forwarding plane unit receives access information of a user and determines the type of the user, wherein the type of the user comprises an active user and an inactive user; when the user is an inactive user, the forwarding plane unit sends the access information of the user to a control plane unit; after receiving the access information, the control plane unit transfers the session information of the user from an inactive user session management module to an active user session management module, and synchronizes the session information of the user to the forwarding plane unit; and the forwarding plane unit generates or updates a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table.
In some embodiments, the control method further comprises: the control plane unit determines the type of the user according to whether the user sends or receives a message within a preset time; if the user sends or receives a message within the preset time, determining that the user is an active user, and storing the session information of the user in the active user session management module; and if the user does not send or receive messages within the preset time, determining that the user is an inactive user, and storing the session information of the user in the session management module of the inactive user.
In some embodiments, the control method further comprises: if the forwarding plane unit determines that the user does not send or receive messages within the preset time, the forwarding plane unit deletes the session information of the user and the table entry of the user in the forwarding table; wherein the forwarding plane unit and the control plane unit synchronously count down the predetermined time.
In some embodiments, the control method further comprises: and under the condition that the user is an active user, when the user sends or receives a message, the forwarding plane unit directly forwards the message of the user.
In some embodiments, the control plane unit includes the inactive user session management module and the active user session management module; the session management module of the inactive user is used for storing and managing the session information of the inactive user; the active user session management module is used for storing and managing session information of active users.
In some embodiments, the session information of the user includes a session identification, a username, and an interface of the user.
According to another aspect of the disclosed embodiments, there is provided a virtualized broadband remote access server, comprising: the forwarding plane unit is used for receiving access information of a user and determining the type of the user, wherein the type of the user comprises an active user and an inactive user; under the condition that the user is an inactive user, sending the access information of the user to a control plane unit; generating or updating a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table; and the control plane unit is used for transferring the session information of the user from the inactive user session management module to the active user session management module after receiving the access information, and synchronizing the session information of the user to the forwarding plane unit.
In some embodiments, the control plane unit is further configured to determine the type of the user according to whether the user sends or receives a message within a predetermined time; if the user sends or receives a message within the preset time, determining that the user is an active user, and storing the session information of the user in the active user session management module; and if the user does not send or receive messages within the preset time, determining that the user is an inactive user, and storing the session information of the user in the session management module of the inactive user.
In some embodiments, the forwarding plane unit is further configured to delete the session information of the user and the entry of the user in the forwarding table if it is determined that the user does not send or receive a message within the predetermined time; wherein the forwarding plane unit and the control plane unit synchronously count down the predetermined time.
In some embodiments, the forwarding plane unit is further configured to, in a case that the user is an active user, directly forward a message of the user when the user sends or receives the message.
In some embodiments, the control plane unit includes the inactive user session management module and the active user session management module; the session management module of the inactive user is used for storing and managing the session information of the inactive user; the active user session management module is used for storing and managing session information of active users.
In some embodiments, the session information of the user includes a session identification, a username, and an interface of the user.
According to another aspect of the disclosed embodiments, there is provided a virtualized broadband remote access server, comprising: a memory; and a processor coupled to the memory, the processor configured to perform the method as previously described based on instructions stored in the memory.
According to another aspect of the embodiments of the present disclosure, there is provided a communication system including: virtualizing a broadband remote access server as described above.
According to another aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method as previously described.
In the control method, a forwarding plane unit receives access information of a user and determines the type of the user; when the user is an inactive user, the forwarding plane unit sends the access information of the user to the control plane unit; after receiving the access information, the control plane unit transfers the session information of the user from the inactive user session management module to the active user session management module, and synchronizes the session information of the user to the forwarding plane unit; and the forwarding plane unit generates or updates a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table. The control method improves the user session access capability and reduces the capability waste problem of the control plane.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flowchart illustrating a control method for virtualizing a broadband remote access server according to some embodiments of the present disclosure;
FIG. 2 is a flow chart illustrating a control method for virtualizing a broadband remote access server according to further embodiments of the present disclosure;
figure 3 is a block schematic diagram illustrating a virtualized broadband remote access server according to some embodiments of the present disclosure;
FIG. 4 is a block diagram illustrating a communication system according to some embodiments of the present disclosure;
FIG. 5 is a block diagram illustrating a virtualized broadband remote access server in accordance with further embodiments of the disclosure;
figure 6 is a block diagram illustrating a virtualized broadband remote access server according to further embodiments of the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a flowchart illustrating a control method for virtualizing a broadband remote access server according to some embodiments of the present disclosure. As shown in fig. 1, the control method may include steps S102 to S108.
In step S102, the forwarding plane unit receives access information of a user and determines the type of the user. The types of users may include active users and inactive users.
In embodiments of the present disclosure, users may be classified as active users and inactive users. A user is an active user if the user sends or receives messages (e.g., has access activity) within a predetermined time (e.g., 1 hour). If a user does not send or receive messages within a predetermined time (e.g., no access time exceeds a certain threshold (e.g., 1 hour)), the user is an inactive user.
For example, after receiving access information (e.g., internet access request information) of a user, the forwarding plane unit may query whether an entry of the user exists in the forwarding table; if the user exists, the user is determined to be an active user; otherwise, it is equivalent to determining that the user is an inactive user.
In step S104, if the user is an inactive user, the forwarding plane unit sends the access information of the user to the control plane unit.
In step S106, after receiving the access information, the control plane unit transfers the session information of the user from the inactive user session management module to the active user session management module, and synchronizes the session information of the user to the forwarding plane unit.
In some embodiments, the control plane element includes an inactive user session management module and an active user session management module. The inactive user session management module is used for storing and managing session information of the inactive users. The active user session management module is used for storing and managing session information of active users. For example, the session information of the user may include a session identification (i.e., a session ID), a username, an interface, and the like of the user.
For example, if the user is an inactive user, the control plane unit stores the session information of the user in the session management module of the inactive user before receiving the access information of the user; after receiving the access information of the user, the control plane unit learns that the user will send or receive a message (for example, there will be an access behavior), and therefore, when the user becomes an active user, the control plane unit transfers the session information of the user from the inactive user session management module to the active user session management module, and synchronizes (for example, sends down) the session information of the user to the forwarding plane unit.
In step S108, the forwarding plane unit generates or updates a forwarding table according to the session information of the user, so as to forward the message of the user through the forwarding table.
For example, if the forwarding plane unit does not currently have a forwarding table, the forwarding table is generated according to the session information of the user. The forwarding table contains entries for the user. For example, the forwarding table contains the user's session ID, next hop address, outgoing interface, etc. When the user sends or receives a message (that is, the user has data traffic), the forwarding plane unit forwards the message of the user through the forwarding table.
For another example, when the forwarding plane unit currently has a forwarding table, the forwarding table is updated according to the session information of the user, so that the forwarding table includes the entry of the user. For example, the forwarding table contains the user's session ID, next hop address, outgoing interface, etc. When the user sends or receives a message (that is, the user has data traffic), the forwarding plane unit forwards the message of the user through the forwarding table.
To this end, a control method for virtualizing a broadband remote access server according to some embodiments of the present disclosure is provided. The control method comprises the following steps: the forwarding plane unit receives the access information of a user and determines the type of the user; when the user is an inactive user, the forwarding plane unit sends the access information of the user to the control plane unit; after receiving the access information, the control plane unit transfers the session information of the user from the inactive user session management module to the active user session management module, and synchronizes the session information of the user to the forwarding plane unit; and the forwarding plane unit generates or updates a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table. The control plane is divided into the inactive user session management module and the active user session management module, so that the inactive user does not need to occupy the equipment session resource for a long time, the user session access capability is improved, and the problem of capability waste of the control plane is reduced.
In some embodiments, the control method may further include: when the user is an active user, the forwarding plane unit directly forwards the message of the user when the user sends or receives the message. In this embodiment, since the user is an active user, the forwarding table of the forwarding plane unit contains an entry (e.g., a session ID, a next hop address, an outgoing interface, etc.) of the user, so that when the user needs to send or receive a message (i.e., the user has data traffic), the forwarding plane unit directly forwards the message of the user through the existing forwarding table.
For example, during system initialization, the control plane unit divides session management into two management modules: an inactive user session management module and an active user session management module. The session information of the user without access flow for a long time is managed in the inactive user session management module, and the session information is not synchronized to a forwarding plane; the active user session management module manages session information of users with more frequent traffic access, and the session information is synchronized to the forwarding plane unit. Active users can normally access the network. When the non-active user session access occurs, the forwarding plane unit sends the user access information to the control plane unit, and the control plane unit transfers the session information of the user to the active user session management module and synchronizes the session information to the forwarding plane unit, so that the user flow forwarding is realized. In the active user session management module, if the no-access time of the user exceeds a certain threshold, an aging process is performed (here, the aging process means that when the user has no traffic for a long time, the forwarding plane automatically deletes the user from the forwarding table), the session information is transferred to the inactive user management module, and is removed from the forwarding plane.
Fig. 2 is a flow chart illustrating a control method for virtualizing a broadband remote access server according to further embodiments of the present disclosure. As shown in fig. 2, the control method includes steps S202 to S206.
In step S202, the control plane unit determines whether the user sends or receives a message within a predetermined time. For example, the control plane unit may monitor each user. The control plane unit may determine whether a certain user sends or receives a message within a predetermined time. If so, the process advances to step S204; otherwise the process proceeds to step S206.
In step S204, it is determined that the user is an active user, and session information of the user is stored in the active user session management module. For example, if a certain user sends or receives a message within a predetermined time, it is determined that the user is an active user, and the session information of the user is stored in the active user session management module.
In step S206, it is determined that the user is an inactive user, and session information of the user is stored in the inactive user session management module. For example, if the user does not send or receive a message within a predetermined time, it is determined that the user is an inactive user, and the session information of the user is stored in the session management module of the inactive user.
To this end, control methods for virtualizing a broadband remote access server according to further embodiments of the present disclosure are provided.
In the above embodiment, the control method may further include: the control plane unit determines the type of the user according to whether the user sends or receives a message within a preset time; if the user sends or receives a message within the preset time, determining that the user is an active user, and storing the session information of the user in an active user session management module; if the user does not send or receive messages within the preset time, the user is determined to be an inactive user, and the session information of the user is stored in an inactive user session management module. This enables the control plane unit to monitor and classify the users.
For example, the control plane unit may count down each user for a predetermined time, and if the user sends or receives a message before the count down is 0, determine that the user is an active user, and store the session information of the user in the active user session management module; if the countdown is 0 and the user does not send or receive the message, determining that the user is an inactive user and storing the session information of the user in an inactive user session management module.
It should be noted that the predetermined time may be determined according to actual conditions or actual needs. For example, the predetermined time may be set to 1 hour, 2 hours, 3 hours, or the like. Accordingly, the range of the above predetermined time of the embodiments of the present disclosure may not be limited.
In some embodiments, the control method may further include: if the forwarding plane unit determines that the user does not send or receive messages within the preset time, the forwarding plane unit deletes the session information of the user and the table entry of the user in the forwarding table. The forwarding plane unit and the control plane unit synchronously count down the predetermined time.
In the above embodiment, the forwarding plane unit and the control plane unit count down the predetermined time in synchronization. In such a case, when the control plane unit determines that the user does not send or receive a packet within a predetermined time, the forwarding plane unit also determines that the user does not send or receive a packet within a predetermined time, and then the forwarding plane unit knows that the user has become an inactive user, and deletes the session information of the user in the forwarding plane unit and the entry of the user in the forwarding table. Therefore, the occupation of the resources of the forwarding plane by the inactive user is reduced, the items of the forwarding plane are saved, and the session access capability of the user is improved.
In the vbrs of the embodiment of the present disclosure, by decoupling on hardware, elastic expansion of the control plane is achieved, and forwarding capability of the existing BRAS device is fully exerted, so that overall performance of a network is improved, and network benefits are improved. By aging the session information of the inactive users in the forwarding plane of the vBRAS and storing the corresponding user session information in the control plane to the session management module of the inactive users, the access capability of the vBRAS session is improved, the bandwidth utilization rate of the vBRAS is improved, the network arrangement performance is improved, and the capability improvement unrelated to the hardware of the forwarding plane is realized.
Figure 3 is a block diagram illustrating a virtualized broadband remote access server according to some embodiments of the present disclosure. As shown in fig. 3, the virtualized broadband remote access server 30 may include a forwarding plane unit 310 and a control plane unit 320.
The forwarding plane unit 310 is used to receive access information of a user and determine the type of the user. The types of users include active users and inactive users. The forwarding plane unit 310 is further configured to send access information of the user to the control plane unit 320 if the user is an inactive user; and generating or updating a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table. For example, the forwarding plane elements may be implemented by servers, conventional routers, and/or white cards, among other devices.
The control plane unit 320 is configured to, after receiving the access information of the user, transfer the session information of the user from the inactive user session management module 321 to the active user session management module 322, and synchronize the session information of the user to the forwarding plane unit 310. For example, the session information for the user may include the user's session identification, username, and interface. For example, the control plane element may be implemented by an X86 server, which is a virtualized network element.
In some embodiments, as shown in FIG. 3, the control plane unit 320 includes an inactive user session management module 321 and an active user session management module 322. The inactive user session management module 321 is used to store and manage session information of inactive users. The active user session management module 322 is used to store and manage session information for active users.
Thus far, a virtualized broadband remote access server is described in accordance with some embodiments of the present disclosure. The control plane is divided into the inactive user session management module and the active user session management module, so that the inactive user does not need to occupy the equipment session resource for a long time, the user session access capability is improved, and the problem of capability waste of the control plane is reduced.
In some embodiments, the control plane unit 320 may also be configured to determine the type of the user according to whether the user sends or receives a message within a predetermined time; if the user sends or receives a message within a predetermined time, determining that the user is an active user, and storing the session information of the user in the active user session management module 322; if the user does not send or receive a message within the predetermined time, it is determined that the user is an inactive user, and the session information of the user is stored in the inactive user session management module 321.
In some embodiments, the forwarding plane unit 310 may further be configured to delete the session information of the user and the entry of the user in the forwarding table if it is determined that the user does not send or receive a message within the predetermined time. The forwarding plane unit 310 and the control plane unit 320 count down the predetermined time in synchronization.
In some embodiments, forwarding plane element 310 may also be configured to forward a user's message directly when the user sends or receives the message, if the user is an active user.
Fig. 4 is a block diagram illustrating a communication system according to some embodiments of the present disclosure.
In some embodiments, as shown in fig. 4, the communication system may include a virtualized broadband remote access server (e.g., virtualized broadband remote access server 30) as previously described. Of course, the virtualized broadband remote access server may also be a virtualized broadband remote access server as shown in fig. 5 or fig. 6.
In some embodiments, as shown in fig. 4, forwarding plane unit 310 may include a plurality of single slots 311. Here, the large capacity routers in the network may be multi-slot boxed devices. For example, a single slot may be a board. In an embodiment of the present disclosure, the maximum capability of active user concurrency is equal to single slot bit concurrency capability × slot number.
In some embodiments, the communication system may further include an OLT (Optical Line Terminal) 430, a CPE (Customer Premise Equipment) 440, and a CR (Core Router) 450 communicatively coupled to the virtualized broadband remote access server 30. The communication of the OLT 430, CPE 440, CR 450 with the virtualized broadband remote access server 30, respectively, may be implemented using known techniques, which are not described in detail herein.
Figure 5 is a block diagram illustrating a virtualized broadband remote access server according to further embodiments of the present disclosure. The virtualized broadband remote access server includes a memory 510 and a processor 520. Wherein:
the memory 510 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory is used for storing instructions in the embodiments corresponding to fig. 1 and/or fig. 2.
In some embodiments, the virtualized broadband remote access server 600 may also include a memory 610 and a processor 620, as shown in fig. 6. Processor 620 is coupled to memory 610 through a BUS 630. The virtualized broadband remote access server 600 may also be coupled to external storage 650 via storage interface 640 for external data retrieval, and may also be coupled to a network or another computer system (not shown) via network interface 660, which will not be described in detail herein.
In the embodiment, the data instruction is stored in the memory, the instruction is processed by the processor, and the inactive user session management module and the active user session management module are distinguished, so that the inactive user does not need to occupy the equipment session resource for a long time, the user session access capability is improved, and the problem of capability waste of the control surface is reduced
In other embodiments, the present disclosure also provides a computer-readable storage medium on which computer program instructions are stored, the instructions implementing the steps of the method in the embodiment corresponding to fig. 1 and/or fig. 2 when executed by a processor. As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus, 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.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The method and system of the present disclosure may be implemented in a number of ways. For example, the methods and systems of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present disclosure may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (15)
1. A control method for virtualizing a broadband remote access server, comprising:
the forwarding plane unit receives access information of a user and determines the type of the user, wherein the type of the user comprises an active user and an inactive user;
when the user is an inactive user, the forwarding plane unit sends the access information of the user to a control plane unit;
after receiving the access information, the control plane unit transfers the session information of the user from an inactive user session management module to an active user session management module, and synchronizes the session information of the user to the forwarding plane unit; and
and the forwarding plane unit generates or updates a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table.
2. The control method according to claim 1, further comprising:
the control plane unit determines the type of the user according to whether the user sends or receives a message within a preset time;
if the user sends or receives a message within the preset time, determining that the user is an active user, and storing the session information of the user in the active user session management module;
and if the user does not send or receive messages within the preset time, determining that the user is an inactive user, and storing the session information of the user in the session management module of the inactive user.
3. The control method according to claim 2, further comprising:
if the forwarding plane unit determines that the user does not send or receive messages within the preset time, the forwarding plane unit deletes the session information of the user and the table entry of the user in the forwarding table;
wherein the forwarding plane unit and the control plane unit synchronously count down the predetermined time.
4. The control method according to claim 1, further comprising:
and under the condition that the user is an active user, when the user sends or receives a message, the forwarding plane unit directly forwards the message of the user.
5. The control method according to claim 1,
the control plane unit comprises the inactive user session management module and the active user session management module;
the session management module of the inactive user is used for storing and managing the session information of the inactive user;
the active user session management module is used for storing and managing session information of active users.
6. The control method according to claim 1,
the session information of the user comprises a session identification, a user name and an interface of the user.
7. A virtualized broadband remote access server, comprising:
the forwarding plane unit is used for receiving access information of a user and determining the type of the user, wherein the type of the user comprises an active user and an inactive user; under the condition that the user is an inactive user, sending the access information of the user to a control plane unit; generating or updating a forwarding table according to the session information of the user so as to forward the message of the user through the forwarding table; and
and the control plane unit is used for transferring the session information of the user from the inactive user session management module to the active user session management module after receiving the access information, and synchronizing the session information of the user to the forwarding plane unit.
8. The virtualized broadband remote access server of claim 7,
the control plane unit is also used for determining the type of the user according to whether the user sends or receives a message within a preset time; if the user sends or receives a message within the preset time, determining that the user is an active user, and storing the session information of the user in the active user session management module; and if the user does not send or receive messages within the preset time, determining that the user is an inactive user, and storing the session information of the user in the session management module of the inactive user.
9. The virtualized broadband remote access server of claim 8,
the forwarding plane unit is further configured to delete the session information of the user and the table entry of the user in the forwarding table if it is determined that the user does not send or receive a message within the predetermined time;
wherein the forwarding plane unit and the control plane unit synchronously count down the predetermined time.
10. The virtualized broadband remote access server of claim 7,
the forwarding plane unit is also used for directly forwarding the message of the user when the user sends or receives the message under the condition that the user is an active user.
11. The virtualized broadband remote access server of claim 7,
the control plane unit comprises the inactive user session management module and the active user session management module;
the session management module of the inactive user is used for storing and managing the session information of the inactive user;
the active user session management module is used for storing and managing session information of active users.
12. The virtualized broadband remote access server of claim 7,
the session information of the user comprises a session identification, a user name and an interface of the user.
13. A virtualized broadband remote access server, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of any of claims 1-6 based on instructions stored in the memory.
14. A communication system, comprising: a virtualized broadband remote access server as claimed in any one of claims 7 to 13.
15. A computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of any one of claims 1 to 6.
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