CN113630809A - Service forwarding method, device and computer readable storage medium - Google Patents

Service forwarding method, device and computer readable storage medium Download PDF

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Publication number
CN113630809A
CN113630809A CN202110925229.6A CN202110925229A CN113630809A CN 113630809 A CN113630809 A CN 113630809A CN 202110925229 A CN202110925229 A CN 202110925229A CN 113630809 A CN113630809 A CN 113630809A
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dynamic queue
interface
queue
core
dynamic
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CN113630809B (en
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李文
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Maipu Communication Technology Co Ltd
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Maipu Communication Technology 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
    • H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
    • 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

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Abstract

The application provides a service forwarding method, a service forwarding device and a computer readable storage medium, which are applied to the field of network communication, wherein the method applied to a core device comprises the following steps: receiving a dynamic queue adding message sent by access equipment; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core equipment in the access equipment, and is used for representing that the inlet direction of the uplink interface reaches a congestion threshold; and adding the dynamic queue in the core equipment according to the dynamic queue adding message, and forwarding the service based on the added dynamic queue. In the above scheme, by detecting the interface congestion condition by the access device, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, the dynamic queue can be dynamically added to the core device without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced.

Description

Service forwarding method, device and computer readable storage medium
Technical Field
The present application relates to the field of network communications, and in particular, to a service forwarding method, an apparatus, and a computer-readable storage medium.
Background
In the prior art, after the fine-grained differentiation of services is performed through multiple dimensions by using a Hierarchical Quality of Service (HQOS), the egress traffic is limited by using a multi-level queue. However, in a networking scenario of a point-to-multipoint link, whether a link to a specified access device (Spoke) is congested cannot be detected, so that the HQOS is adopted, and all primary HQOS queues and secondary HQOS queues need to be created when a core device (Hub) is initialized, thereby consuming a large amount of resources of the core device.
Disclosure of Invention
An object of the embodiments of the present application is to provide a service forwarding method, a service forwarding apparatus, and a computer-readable storage medium, so as to solve the technical problem of consuming a large amount of core device resources.
In a first aspect, an embodiment of the present application provides a service forwarding method, which is applied to a core device, and includes: receiving a dynamic queue adding message sent by access equipment; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core device in the access device, and the dynamic queue adding message is used for representing that the direction of the uplink interface inlet reaches a congestion threshold; and adding a dynamic queue in the core equipment according to the dynamic queue adding message, and forwarding the service based on the added dynamic queue. In the above scheme, by detecting the interface congestion condition by the access device, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, the dynamic queue can be dynamically added to the core device without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced.
In an optional embodiment, the adding a dynamic queue in the core device according to the dynamic queue addition message includes: determining a queue creation condition of a server corresponding to a binding interface in the core equipment according to the binding interface in the dynamic queue adding message; the binding interface is an interface connected with an uplink interface of the access equipment in the core equipment; and if the queue creating condition represents that a primary dynamic queue corresponding to the server side is created, creating a secondary dynamic queue corresponding to the server side according to the dynamic queue adding message. In the above scheme, the access device detects the interface congestion condition, and can dynamically add the dynamic queue in the core device, that is, create a primary dynamic queue or create a primary dynamic queue and a secondary dynamic queue according to the dynamic queue addition message. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
In an optional implementation manner, after determining, according to the binding interface in the dynamic queue addition message, a queue creation condition of a server corresponding to the binding interface in the core device, the method further includes: if the queue creating condition represents that a primary dynamic queue corresponding to the server is not created, creating the primary dynamic queue corresponding to the server according to the configuration information of the server; and creating a secondary dynamic queue corresponding to the server according to the dynamic queue adding message. In the above scheme, the access device detects the interface congestion condition, and can dynamically add the dynamic queue in the core device, that is, create a primary dynamic queue or create a primary dynamic queue and a secondary dynamic queue according to the dynamic queue addition message. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
In an alternative embodiment, the method further comprises: acquiring the congestion condition of a downlink public network interface used for connecting the access equipment in the core equipment; and when the congestion condition of the downlink public network interface changes, creating a first-level dynamic queue corresponding to the server according to the configuration information of the server corresponding to the downlink public network interface in the core equipment. In the above scheme, in addition to detecting the congestion condition of the interface of the access device, the congestion condition of the interface of the core device may also be detected, so as to dynamically add the first-level dynamic queue in the core device. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
In an alternative embodiment, the method further comprises: receiving a dynamic queue deleting message sent by access equipment; the dynamic queue deleting message comprises configuration information of a client corresponding to the uplink interface, and the dynamic queue deleting message is used for representing that the uplink interface is lower than the congestion threshold; deleting a secondary dynamic queue corresponding to the binding interface and the client identifier according to the binding interface and the client identifier in the dynamic queue deletion message; judging whether the first-level dynamic queue corresponding to the deleted second-level dynamic queue meets the deletion condition; and if the first-stage dynamic queue corresponding to the deleted second-stage dynamic queue meets the deletion condition, deleting the first-stage dynamic queue corresponding to the deleted second-stage dynamic queue. In the above scheme, the secondary dynamic queue in the core device can be dynamically deleted by detecting the interface congestion condition by the access device. Therefore, under the condition that link resources are sufficient, the service message does not need to pass through a dynamic queue, and the data forwarding rate can be improved.
In a second aspect, an embodiment of the present application provides a service forwarding method, which is applied to an access device, and includes: acquiring the congestion condition of an inlet direction of an uplink interface used for connecting core equipment in the access equipment; when the inlet direction of the uplink interface reaches a congestion threshold, generating a dynamic queue addition message according to configuration information of a client corresponding to the uplink interface in the access equipment; and sending the dynamic queue adding message to corresponding core equipment according to the configuration information of the client, so that the core equipment adds the dynamic queue according to the dynamic queue adding message and performs service forwarding based on the added dynamic queue. In the above scheme, by detecting the interface congestion condition by the access device, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, the dynamic queue can be dynamically added to the core device without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced.
In a third aspect, an embodiment of the present application provides a service forwarding apparatus, which is applied to a core device, and includes: the first receiving module is used for receiving a dynamic queue adding message sent by the access equipment; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core device in the access device, and the dynamic queue adding message is used for representing that the direction of the uplink interface inlet reaches a congestion threshold; and the adding module is used for adding a dynamic queue in the core equipment according to the dynamic queue adding message so as to forward the service based on the added dynamic queue. In the above scheme, by detecting the interface congestion condition by the access device, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, the dynamic queue can be dynamically added to the core device without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced.
In an optional embodiment, the adding module is specifically configured to: determining a queue creation condition of a server corresponding to a binding interface in the core equipment according to the binding interface in the dynamic queue adding message; the binding interface is an interface connected with an uplink interface of the access equipment in the core equipment; and if the queue creating condition represents that a primary dynamic queue corresponding to the server side is created, creating a secondary dynamic queue corresponding to the server side according to the dynamic queue adding message. In the above scheme, the access device detects the interface congestion condition, and can dynamically add the dynamic queue in the core device, that is, create a primary dynamic queue or create a primary dynamic queue and a secondary dynamic queue according to the dynamic queue addition message. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
In an alternative embodiment, the adding module is further configured to: if the queue creating condition represents that a primary dynamic queue corresponding to the server is not created, creating the primary dynamic queue corresponding to the server according to the configuration information of the server; and creating a secondary dynamic queue corresponding to the server according to the dynamic queue adding message. In the above scheme, the access device detects the interface congestion condition, and can dynamically add the dynamic queue in the core device, that is, create a primary dynamic queue or create a primary dynamic queue and a secondary dynamic queue according to the dynamic queue addition message. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
In an optional implementation manner, the service forwarding apparatus further includes: a first obtaining module, configured to obtain a congestion condition of a downlink public network interface in the core device, where the downlink public network interface is used to connect to the access device; and the creating module is used for creating a first-level dynamic queue corresponding to the server according to the configuration information of the server corresponding to the downlink public network interface in the core equipment when the congestion condition of the downlink public network interface changes. In the above scheme, the access device detects the interface congestion condition, and can dynamically add the dynamic queue in the core device without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced. In the above scheme, in addition to detecting the congestion condition of the interface of the access device, the congestion condition of the interface of the core device may also be detected, so as to dynamically add the first-level dynamic queue in the core device. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
In an optional implementation manner, the service forwarding apparatus further includes: the second receiving module is used for receiving the dynamic queue deleting message sent by the access equipment; the dynamic queue deleting message comprises configuration information of a client corresponding to the uplink interface, and the dynamic queue deleting message is used for representing that the uplink interface is lower than the congestion threshold; the first deleting module is used for deleting the secondary dynamic queue corresponding to the binding interface and the client identifier according to the binding interface and the client identifier in the dynamic queue deleting message; the judging module is used for judging whether the first-level dynamic queue corresponding to the deleted second-level dynamic queue meets the deleting condition; and the second deleting module is used for deleting the primary dynamic queue corresponding to the deleted secondary dynamic queue if the primary dynamic queue corresponding to the deleted secondary dynamic queue meets the deleting condition. In the above scheme, the secondary dynamic queue in the core device can be dynamically deleted by detecting the interface congestion condition by the access device. Therefore, under the condition that link resources are sufficient, the service message does not need to pass through a dynamic queue, and the data forwarding rate can be improved.
In a fourth aspect, an embodiment of the present application provides a service forwarding apparatus, which is applied to an access device, and includes: a first obtaining module, configured to obtain a congestion condition of an uplink interface used for connecting a core device in the access device; a generating module, configured to generate a dynamic queue addition message according to configuration information of a client corresponding to the uplink interface in the access device when the uplink interface entry direction reaches a congestion threshold; and the sending module is used for sending the dynamic queue adding message to corresponding core equipment according to the configuration information of the client, so that the core equipment adds the dynamic queue according to the dynamic queue adding message and performs service forwarding based on the added dynamic queue. In the above scheme, by detecting the interface congestion condition by the access device, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, the dynamic queue can be dynamically added to the core device without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced.
In a fifth aspect, an embodiment of the present application provides an electronic device, including: a processor, a memory, and a bus; the processor and the memory are communicated with each other through the bus; the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the traffic forwarding method according to any one of the first aspect or the traffic forwarding method according to the second aspect.
In a sixth aspect, an embodiment of the present application provides a computer-readable storage medium, which stores computer instructions, and when the computer instructions are executed by a computer, the computer executes the service forwarding method according to any one of the first aspect or the service forwarding method according to the second aspect.
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In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a point-to-multipoint link according to an embodiment of the present application;
fig. 2 is a flowchart of a service forwarding method according to an embodiment of the present application;
fig. 3 is a flowchart of another service forwarding method provided in the embodiment of the present application;
fig. 4 is a block diagram of a service forwarding apparatus applied to a core device according to an embodiment of the present application;
fig. 5 is a block diagram of a service forwarding apparatus applied to an access device according to an embodiment of the present application;
fig. 6 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
Before introducing the service forwarding method and apparatus provided by the embodiment of the present application, some concepts related to the embodiment of the present application are introduced, and some concepts related to the embodiment of the present application are as follows:
quality of Service (QOS) refers to a network that can provide better Service capability for specified network communications using various basic technologies, and is a technology for solving problems such as network delay and congestion. The main processing flow of QOS for the data message comprises the following steps: classification, policy, identification, queue, and scheduling.
HQOS is a transport technology in computer networks. In order to achieve the purpose of hierarchical scheduling, the HQOS assembles the scheduling strategy into a hierarchical tree structure. There are three types of nodes in the tree structure: root nodes, branch nodes, and leaf nodes. Wherein, the root node is the convergent point of the flow and corresponds to a Scheduler (Scheduler); each leaf node at the bottommost layer corresponds to a scheduling Queue (Queue); each branch node at the intermediate level corresponds to a scheduler. In addition, each node needs to be configured with a classification rule and a control parameter, wherein the classification rule determines the trend of the traffic, and the control parameter determines the control action performed on the traffic passing through the node.
Multi-Protocol Label Switching (MPLS) is a new technology for guiding high-speed and efficient data transmission by using labels on an open communication network. MPLS may support multiple protocols at the network layer and may be compatible with multiple data link layer technologies at the second layer.
Internet Service Providers (ISPs) refer to the public operators who provide the following information services: one is to access services, i.e. to help users access the Internet (Internet); navigation service, namely helping a user to find required information on the Internet; and thirdly, information service, namely, establishing a data service system, collecting, processing and storing information, regularly maintaining and updating, and providing information content service for users through a network.
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1, fig. 1 is a schematic view of a point-to-multipoint link provided in the embodiment of the present application, where the point-to-multipoint link includes a core device and three access devices, and the service forwarding method provided in the embodiment of the present application may be applied to a point-to-multipoint link that is the same as or similar to the networking environment of fig. 1. The service end is configured on the core equipment and the client end is configured on the access equipment, so that whether a link from the core equipment to the appointed access equipment is congested or not can be detected, a dynamic queue can be dynamically added in the link according to the congestion condition of the link, the service forwarding is realized based on the added dynamic queue, and the resource consumption of the core equipment is reduced.
Before introducing the service forwarding method provided by the embodiment of the present application, a configuration method of a server on a core device and a configuration method of a client on an access device provided by the embodiment of the present application are first introduced.
First, a server configuration method provided in an embodiment of the present application is introduced.
According to the type of service in the point-to-multipoint link and the number of interfaces on the core device, a corresponding server can be configured in the core device. For example, assuming that the existing services in the current point-to-multipoint link include service a and service B, and the core device includes interface G0, two service terminals may be created on interface G0 for service a and service B, respectively.
It should be noted that the server does not represent a specific electronic device, but is a configuration in the core device. One core device may include one or more servers, and each server corresponds to configuration information of a group of servers in the core device.
As an embodiment, the configuration information of the server may include the following: the server monitors an address, a binding interface, a service guarantee priority, service bandwidth guarantee information, the total bandwidth of the local outlet and a congestion threshold.
The server monitoring address refers to an IP address corresponding to the server and is used for identifying the server; the binding interface refers to an interface in the core equipment corresponding to the server; the service guarantee priority refers to the priority of the service corresponding to the server in the point-to-multipoint link, and the higher the service guarantee priority is, the higher the priority is to guarantee the execution of the corresponding service; the service bandwidth guarantee information comprises minimum bandwidth guarantee and maximum bandwidth limit corresponding to the service, wherein the minimum bandwidth guarantee refers to the minimum bandwidth allocated to the service, and the maximum bandwidth guarantee refers to the maximum bandwidth allocated to the service; the total bandwidth of the outlet of the local terminal refers to the maximum downlink bandwidth of the interface of the core equipment corresponding to the server terminal; the congestion threshold refers to the congestion of the interface when the data volume of the interface of the core device corresponding to the server reaches a value representing the congestion of the interface.
For example, assuming that the existing services in the current point-to-multipoint link include a service a and a service B, the core device includes an interface G0, the IP address of the core device is IP0, the priority of the service a is 47, the minimum bandwidth is guaranteed to be 10%, the maximum bandwidth is limited to 80%, the priority of the service B is 46, the minimum bandwidth is guaranteed to be 30%, the maximum bandwidth is limited to 50%, the maximum downlink bandwidth of the interface G0 is 100M, and the congestion threshold is 85%, the configuration information of the service end corresponding to the service a may include the following contents:
the server side monitors the address: IP 0; binding an interface: g0; service guarantee priority: 47; service bandwidth guarantee information (minimum bandwidth guarantee: 10%, maximum bandwidth limit: 80%); total bandwidth of home terminal outlet: 100M; congestion threshold value: 85 percent;
the configuration information of the service end corresponding to the service B may include the following contents:
the server side monitors the address: IP 0; binding an interface: g0; service guarantee priority: 46; service bandwidth guarantee information (minimum bandwidth guarantee: 30%, maximum bandwidth limit: 50%); total bandwidth of home terminal outlet: 100M; congestion threshold value: 85 percent.
The client configuration method provided by the embodiment of the application is described next.
According to the number of interfaces on the access device in the point-to-multipoint link, a corresponding client can be configured in the access device. For example, assuming that the existing services in the current point-to-multipoint link include service a and service B, and the access device includes interface G1, a client may be created based on interface G1. If the interface in the core device corresponds to the interface in the access device, the server configured based on the interface of the core device corresponds to the client configured based on the interface of the access device.
It should be noted that, similar to the server in the above embodiment, the client does not represent a specific electronic device, but is configured in an access device. One access device may include one or more clients, each client corresponding to configuration information for a set of clients in the core device.
As an embodiment, the configuration information of the client may include the following: the system comprises a client identifier, a local end link downlink total bandwidth value, a server IP address, a local end monitoring interface, a remote end binding interface and a congestion threshold value.
The client identification is used for identifying the client; the downlink total bandwidth value of the local link refers to the maximum downlink bandwidth of an interface of the access device corresponding to the client; the server IP address refers to the IP address of the server corresponding to the client and is used for identifying the server; the home terminal monitoring interface refers to an interface of access equipment corresponding to the client terminal; the far-end binding interface refers to an interface in the core equipment corresponding to the server corresponding to the client; the congestion threshold refers to the congestion of the interface of the access device corresponding to the client when the data volume of the interface reaches a certain value.
It should be noted that the client identifier in the above embodiments may be determined according to message characteristic information when a link or a service purpose is divided (for example, a specific next hop address of a message).
For example, assume that a Dvpn tunnel is established between the core device and the access device using the wan as an interface. Through BGP routing protocol, a BGP neighbor can be established by using Dvpn tunnel, and a service route is opened, so that the next hop of the service route of the corresponding network point on the core device is respectively the opposite end tunnel address on the access device, and at this time, the opposite end tunnel address can be used as the client identifier for the access device.
For example, assume that the existing services in the current point-to-multipoint link include service a and service B, the core device includes interface G0, the IP address of the core device is IP0, and three access devices are connected to interface G0 of the core device; the access equipment A comprises an interface G1, the maximum downlink bandwidth of the interface G1 is 30M, the client identifier of the access equipment A is IP1, and the congestion threshold value is 90%; the access device B comprises an interface G2, the maximum downlink bandwidth of the interface G2 is 40M, the client identifier of the access device B is IP2, and the congestion threshold value is 85%; the access device C comprises an interface G3, the maximum downlink bandwidth of the interface G3 is 50M, the client identifier of the access device C is IP3, and the congestion threshold value is 90%; the configuration information of the client corresponding to the access device a may include the following:
and (3) client identification: IP 1; the downlink total bandwidth value of the local end link is as follows: 30M; the IP address of the server: IP 0; the home terminal monitors the interface: g1; the far-end binding interface: g0; congestion threshold value: 90 percent;
the configuration information of the client corresponding to the access device B may include the following:
and (3) client identification: IP 2; the downlink total bandwidth value of the local end link is as follows: 40M; the IP address of the server: IP 0; the home terminal monitors the interface: g2; the far-end binding interface: g0; congestion threshold value: 85 percent;
the configuration information of the client corresponding to the access device C may include the following:
and (3) client identification: IP 3; the downlink total bandwidth value of the local end link is as follows: 50M; the IP address of the server: IP 0; the home terminal monitors the interface: g3; the far-end binding interface: g0; congestion threshold value: 90 percent.
After the configuration of the server and the client is completed, the congestion monitoring of the core device and the access device for the local interface may be started, and the service forwarding method provided in the embodiment of the present application is executed based on the congestion condition obtained by the congestion monitoring.
The service forwarding method provided by the embodiment of the present application is described in detail below.
Referring to fig. 2, fig. 2 is a flowchart of a service forwarding method according to an embodiment of the present application, where the service forwarding method may include the following contents:
step S201: the access equipment acquires the congestion condition of the inlet direction of an uplink interface used for connecting the core equipment in the access equipment.
Step S202: and when the direction of the uplink interface inlet reaches the congestion threshold, the access equipment generates a dynamic queue adding message according to the configuration information of the client corresponding to the uplink interface in the access equipment.
Step S203: and the access equipment sends a dynamic queue adding message to the corresponding core equipment according to the configuration information of the client.
Step S204: and the core equipment receives the dynamic queue adding message sent by the access equipment.
Step S205: and the core equipment adds the dynamic queue in the core equipment according to the dynamic queue adding message and forwards the service based on the added dynamic queue.
Specifically, the access device may perform congestion monitoring on an uplink interface used for connecting the core device in the access device, so as to obtain a congestion situation in an entry direction of the uplink interface. The congestion condition includes the following two conditions: in the first case, when the uplink interface entry direction reaches the congestion threshold and the uplink interface entry direction is congested, the subsequent step S202 may be performed; in the second case, the ingress direction of the uplink interface is lower than the congestion threshold, and the ingress direction of the uplink interface is not congested.
It is to be understood that, as an embodiment, the congestion threshold may be a specific value, for example, 30M, and when the current bandwidth of the uplink interface is greater than 30M, it is considered that the ingress direction of the uplink interface reaches the congestion threshold; as another embodiment, the congestion threshold may be a percentage, for example: and when the proportion of the current bandwidth of the uplink interface in the total bandwidth is greater than 90%, the inlet direction of the uplink interface is considered to reach the congestion threshold.
Further, for the first case described above, the step S202 may be started to be executed while monitoring that the uplink interface ingress direction reaches the congestion threshold. For the second case, the subsequent steps may be executed while the uplink interface entry direction is monitored to be lower than the congestion threshold, or the subsequent steps may be executed only after a preset time period after the uplink interface entry direction is monitored to be lower than the congestion threshold, for example: assuming that the preset time period is 30 seconds, after monitoring that the bandwidth of the ingress direction of the uplink interface is less than the congestion threshold value for 30 seconds, it may be considered that the ingress direction of the uplink interface has changed from congestion to stable uncongestion.
For the case that the entry direction of the uplink interface reaches the congestion threshold, in step S202, a dynamic queue addition message may be generated based on the configuration information of the client corresponding to the uplink interface, and the generated dynamic queue addition message is sent to the core device, so that the core device may perform the subsequent step S205 after receiving the dynamic queue addition message.
As an embodiment, the dynamic queue addition message may include the following: event type, client identification, far-end binding interface and local end link downlink total bandwidth value.
Taking the access device a in the above embodiment as an example, the dynamic queue addition message may include the following contents:
event type: adding; and (3) client identification: IP 1; the far-end binding interface: g0; the downlink total bandwidth value of the local end link is as follows: 30M.
In this case, the step S205 may specifically include the following steps:
and determining the queue creation condition of a server corresponding to the binding interface in the core equipment according to the binding interface in the dynamic queue adding message.
And if the queue creating condition represents that the primary dynamic queue corresponding to the server side is created, creating a secondary dynamic queue corresponding to the server side according to the dynamic queue adding message.
Alternatively, the step S205 may specifically include the following steps:
and determining the queue creation condition of a server corresponding to the binding interface in the core equipment according to the binding interface in the dynamic queue adding message.
And if the queue creating condition represents that the first-level dynamic queue corresponding to the server is not created, creating the first-level dynamic queue corresponding to the server according to the configuration information of the server.
And creating a secondary dynamic queue corresponding to the server according to the dynamic queue adding message.
When creating the dynamic queue, a first-level dynamic queue may be created based on the congestion condition of the core device interface and a second-level dynamic queue may be created based on the congestion condition of the access device interface, and the first-level dynamic queue needs to be created first on the basis of creating the second-level dynamic queue. As an embodiment, the primary dynamic queue may be a service priority queue, and the secondary dynamic queue may be a mesh point link queue.
It will be appreciated that there are two cases of creating a primary dynamic queue: in the first situation, the core device monitors that an interface of the core device is congested; in the second case, the core device monitors that the interface of the core device is not congested, but the access device monitors that the interface of the access device is congested, and a secondary dynamic queue needs to be created.
For the first case, that is, the service forwarding method provided in the embodiment of the present application may further include the following steps:
and acquiring the congestion condition of a downlink public network interface used for connecting the access equipment in the core equipment.
When the congestion condition of the downlink public network interface changes, a first-level dynamic queue corresponding to the server is created according to the configuration information of the server corresponding to the downlink public network interface in the core equipment.
For the second case, when the access device monitors that the uplink interface of the access device is congested in the ingress direction, it may determine a queue creation condition of the server corresponding to the congested interface. If the server side already creates a primary dynamic queue, a secondary dynamic queue can be directly created; if the server side does not create the primary dynamic queue, the primary dynamic queue should be created first, and then the secondary dynamic queue should be created.
It can be understood that after the core device adds the dynamic queue, the forwarding of the traffic can be implemented based on the newly added dynamic queue, thereby alleviating the interface congestion.
The following takes the service a, the service B, the core device, and the access device a in the above embodiments as examples, and details of specific implementation manners of creating the primary dynamic queue and the secondary dynamic queue are described.
Assuming that the downlink traffic of the service a of the current core device burst 50M and the downlink traffic of the service B of the current core device burst 40M cause congestion at the interface G0 of the core device, a first-level dynamic queue is triggered and created for the service a and the service B respectively:
first-stage: 47 percent of Dscp, 10 percent of minimum guarantee and 80 percent of maximum limit;
first-stage: dscp is 46, minimum guaranteed 30%, maximum limit 50%.
Assuming that 40M of the downlink traffic of the core device (20M of service a and 20M of service B) is to access device a, which causes congestion on interface G1 of access device a, a secondary dynamic queue is created for service a and service B respectively:
first-stage: the service guarantee priority is 47, the minimum bandwidth guarantee is 10%, and the maximum bandwidth limit is 80%;
and (2) second stage: the client identification is IP1, and the total bandwidth of the local outlet is 30M;
first-stage: the service guarantee priority is 46, the minimum bandwidth guarantee is 30%, and the maximum bandwidth limit is 50%;
and (2) second stage: the client id is IP1, and the local end has a total bandwidth of 30M.
The secondary dynamic queue can achieve the following guarantee effects: it can be seen that after the service traffic passes through the first-stage dynamic queue, the traffic of the service a is still 50M and the flow of the service B is still 40M because the interface bandwidth is still remained; after passing through a secondary dynamic queue: the minimum bandwidth guarantee of the service A is 3M, the minimum bandwidth guarantee of the service B is 9M, and the downlink bandwidth of the access equipment A is left by 18M; since the service guarantee priority of the service a is higher, the remaining bandwidth preferentially guarantees the service a, and therefore the actual guarantee result of the secondary dynamic queue is as follows:
service A: min (actual flow of 20M, minimum guaranteed bandwidth of service B of local outlet total bandwidth-9M of 30M-minimum guaranteed bandwidth of service a of service B-3M) is 20M;
and B, service B: min (20M actual traffic, 30M local egress total bandwidth-20M traffic a) is 10M.
Referring to fig. 3, for the case that the entry direction of the uplink interface is lower than the congestion threshold, fig. 3 is a flowchart of another service forwarding method provided in the embodiment of the present application, where the service forwarding method may further include the following steps:
step S301: the access equipment acquires the congestion condition of the inlet direction of the uplink interface.
Step S302: and when the inlet direction of the uplink interface is lower than the congestion threshold, the access equipment generates a dynamic queue deletion message according to the configuration information of the client corresponding to the uplink interface in the access equipment.
Step S303: and the access equipment sends a dynamic queue deletion message to the corresponding core equipment according to the configuration information of the client.
Step S304: and the core equipment receives the dynamic queue deleting message sent by the access equipment.
Step S305: and the core equipment deletes the dynamic queue in the core equipment according to the dynamic queue deleting message.
Specifically, the implementation of the steps S301 to S304 is similar to the implementation of the steps S201 to S204 in the foregoing embodiment, and is not repeated here.
As an embodiment, the dynamic queue delete message may include the following: event type, client identification, and far-end binding interface.
Also taking the access device a in the above embodiment as an example, the dynamic queue addition message may include the following:
event type: adding; and (3) client identification: IP 1; the far-end binding interface: G0.
in this case, the step S205 may specifically include the following steps:
and deleting the secondary dynamic queue corresponding to the binding interface and the client identifier according to the binding interface and the client identifier in the dynamic queue deletion message.
And judging whether the primary dynamic queue corresponding to the deleted secondary dynamic queue meets the deletion condition or not.
And if the first-stage dynamic queue corresponding to the deleted second-stage dynamic queue meets the deletion condition, deleting the first-stage dynamic queue corresponding to the deleted second-stage dynamic queue.
Corresponding to the process of creating the dynamic queue, in the process of deleting the dynamic queue, the second-level dynamic queue needs to be deleted first, and then the corresponding first-level dynamic queue can be deleted. Thus, there are two cases of deleting a primary dynamic queue: in the first case: the core equipment monitors that an interface of the core equipment is not congested and does not have a secondary dynamic queue corresponding to the primary dynamic queue; in the second case: and the access equipment monitors that the interface of the access equipment is not congested, and after the secondary dynamic queue is deleted, the interface of the core equipment is not congested and does not have a secondary dynamic queue corresponding to the primary dynamic queue.
That is, if one primary dynamic queue does not include a corresponding secondary dynamic queue, the primary dynamic queue may be directly deleted when it is monitored that the interface of the core device is not congested; if one primary dynamic queue comprises a corresponding secondary dynamic queue, the primary dynamic queue can be deleted under the condition that the interface of the core equipment is monitored to be not congested only after all the included secondary dynamic queues are deleted.
It should be noted that, in the process of deleting the first-level dynamic queue or the second-level dynamic queue, in order to ensure the integrity of data transmission, the deletion operation may not be executed immediately, but the reception of a new packet may be suspended first, and after the enqueued packet is sent, the queue is deleted.
In summary, in the service forwarding method provided in this embodiment of the present application, through detection of an interface congestion condition by an access device, when an entry direction of an uplink interface in the access device, where the uplink interface is used to connect to a core device, reaches a congestion threshold, a dynamic queue may be dynamically added to the core device, and it is not necessary to create the dynamic queue when the core device is initialized, so that resource consumption of the core device may be reduced. In addition, under the condition that link resources are sufficient, the service message does not need to pass through a dynamic queue, so that the data forwarding rate can be improved.
Referring to fig. 4, fig. 4 is a block diagram of a structure of a service forwarding apparatus applied to a core device according to an embodiment of the present application, where the service forwarding apparatus 400 may include: a first receiving module 401, configured to receive a dynamic queue addition message sent by an access device; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core device in the access device, and the dynamic queue adding message is used for representing that the direction of the uplink interface inlet reaches a congestion threshold; an adding module 402, configured to add a dynamic queue in the core device according to the dynamic queue addition message, so as to forward a service based on the added dynamic queue.
In the embodiment of the present application, through the detection of the access device on the interface congestion condition, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, a dynamic queue may be dynamically added to the core device, and it is not necessary to create a dynamic queue when the core device is initialized, so that the resource consumption of the core device may be reduced.
Further, the adding module 402 is specifically configured to: determining a queue creation condition of a server corresponding to a binding interface in the core equipment according to the binding interface in the dynamic queue adding message; the binding interface is an interface connected with an uplink interface of the access equipment in the core equipment; and if the queue creating condition represents that a primary dynamic queue corresponding to the server side is created, creating a secondary dynamic queue corresponding to the server side according to the dynamic queue adding message.
In the embodiment of the present application, by detecting the interface congestion condition through the access device, a dynamic queue in the core device may be dynamically added, that is, a primary dynamic queue is created or a primary dynamic queue and a secondary dynamic queue are created according to a dynamic queue addition message. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
Further, the adding module 402 is further configured to: if the queue creating condition represents that a primary dynamic queue corresponding to the server is not created, creating the primary dynamic queue corresponding to the server according to the configuration information of the server; and creating a secondary dynamic queue corresponding to the server according to the dynamic queue adding message.
In the embodiment of the present application, by detecting the interface congestion condition through the access device, a dynamic queue in the core device may be dynamically added, that is, a primary dynamic queue is created or a primary dynamic queue and a secondary dynamic queue are created according to a dynamic queue addition message. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
Further, the traffic forwarding apparatus 400 further includes: a first obtaining module, configured to obtain a congestion condition of a downlink public network interface in the core device, where the downlink public network interface is used to connect to the access device; and the creating module is used for creating a first-level dynamic queue corresponding to the server according to the configuration information of the server corresponding to the downlink public network interface in the core equipment when the congestion condition of the downlink public network interface changes.
In the embodiment of the application, the access device detects the interface congestion condition, and the dynamic queue in the core device can be dynamically added without creating the dynamic queue when the core device is initialized, so that the resource consumption of the core device can be reduced. In the above scheme, in addition to detecting the congestion condition of the interface of the access device, the congestion condition of the interface of the core device may also be detected, so as to dynamically add the first-level dynamic queue in the core device. Since it is not necessary to create a dynamic queue at the time of initialization of the core device, resource consumption of the core device can be reduced.
Further, the traffic forwarding apparatus 400 further includes: the second receiving module is used for receiving the dynamic queue deleting message sent by the access equipment; the dynamic queue deleting message comprises configuration information of a client corresponding to the uplink interface, and the dynamic queue deleting message is used for representing that the uplink interface is lower than the congestion threshold; the first deleting module is used for deleting the secondary dynamic queue corresponding to the binding interface and the client identifier according to the binding interface and the client identifier in the dynamic queue deleting message; the judging module is used for judging whether the first-level dynamic queue corresponding to the deleted second-level dynamic queue meets the deleting condition; and the second deleting module is used for deleting the primary dynamic queue corresponding to the deleted secondary dynamic queue if the primary dynamic queue corresponding to the deleted secondary dynamic queue meets the deleting condition.
In the embodiment of the application, the secondary dynamic queue in the core device can be deleted dynamically by detecting the interface congestion condition through the access device. Therefore, under the condition that link resources are sufficient, the service message does not need to pass through a dynamic queue, and the data forwarding rate can be improved.
Referring to fig. 5, fig. 5 is a block diagram of a structure of a service forwarding apparatus applied to an access device according to an embodiment of the present application, where the service forwarding apparatus 500 may include: a first obtaining module 501, configured to obtain a congestion condition of an uplink interface used for connecting a core device in the access device; a generating module 502, configured to generate a dynamic queue addition message according to configuration information of a client corresponding to the uplink interface in the access device when the uplink interface entry direction reaches a congestion threshold; a sending module 503, configured to send the dynamic queue addition message to a corresponding core device according to the configuration information of the client, so that the core device adds a dynamic queue according to the dynamic queue addition message, and performs service forwarding based on the added dynamic queue.
In the embodiment of the present application, through the detection of the access device on the interface congestion condition, when the entry direction of the uplink interface used for connecting the core device in the access device reaches the congestion threshold, a dynamic queue may be dynamically added to the core device, and it is not necessary to create a dynamic queue when the core device is initialized, so that the resource consumption of the core device may be reduced.
Referring to fig. 6, fig. 6 is a block diagram of an electronic device according to an embodiment of the present disclosure, where the electronic device 600 includes: at least one processor 601, at least one communication interface 602, at least one memory 603, and at least one communication bus 604. Wherein the communication bus 604 is used for implementing direct connection communication of these components, the communication interface 602 is used for communicating signaling or data with other node devices, and the memory 603 stores machine-readable instructions executable by the processor 601. When the electronic device 600 is in operation, the processor 601 communicates with the memory 603 via the communication bus 604, and the machine-readable instructions, when called by the processor 601, perform the service forwarding method described above.
For example, the processor 601 of the embodiment of the present application may implement the following method by reading the computer program from the memory 603 through the communication bus 604 and executing the computer program: step S201: the access equipment acquires the congestion condition of the inlet direction of an uplink interface used for connecting the core equipment in the access equipment. Step S202: and when the direction of the uplink interface inlet reaches the congestion threshold, the access equipment generates a dynamic queue adding message according to the configuration information of the client corresponding to the uplink interface in the access equipment. Step S203: and the access equipment sends a dynamic queue adding message to the corresponding core equipment according to the configuration information of the client. Step S204: and the core equipment receives the dynamic queue adding message sent by the access equipment. Step S205: and the core equipment adds the dynamic queue in the core equipment according to the dynamic queue adding message and forwards the service based on the added dynamic queue.
The processor 601 may be an integrated circuit chip having signal processing capabilities. The Processor 601 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. Which may implement or perform the various methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The Memory 603 may include, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Read Only Memory (EPROM), an electrically Erasable Read Only Memory (EEPROM), and the like.
It will be appreciated that the configuration shown in FIG. 6 is merely illustrative and that electronic device 600 may include more or fewer components than shown in FIG. 6 or have a different configuration than shown in FIG. 6. The components shown in fig. 6 may be implemented in hardware, software, or a combination thereof. In this embodiment, the electronic device 600 may be, but is not limited to, an entity device such as a desktop, a laptop, a smart phone, an intelligent wearable device, and a vehicle-mounted device, and may also be a virtual device such as a virtual machine. In addition, the electronic device 600 is not necessarily a single device, but may also be a combination of multiple devices, such as a server cluster, and the like. In this embodiment of the present application, both the core device and the access device in the service forwarding method may be implemented by the electronic device 600 shown in fig. 6.
An embodiment of the present application further provides a computer program product, including a computer program stored on a computer-readable storage medium, where the computer program includes program instructions, and when the program instructions are executed by a computer, the computer can perform the steps of the service forwarding method in the foregoing embodiment, for example, including: receiving a dynamic queue adding message sent by access equipment; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core device in the access device, and the dynamic queue adding message is used for representing that the direction of the uplink interface inlet reaches a congestion threshold; and adding a dynamic queue in the core equipment according to the dynamic queue adding message, and forwarding the service based on the added dynamic queue.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
In addition, units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Furthermore, the functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
It should be noted that the functions, if implemented in the form of software functional modules and sold or used as independent products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In this document, relational terms such as first and second, and the like may be 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.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A service forwarding method is applied to a core device, and comprises the following steps:
receiving a dynamic queue adding message sent by access equipment; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core device in the access device, and the dynamic queue adding message is used for representing that the direction of the uplink interface inlet reaches a congestion threshold;
and adding a dynamic queue in the core equipment according to the dynamic queue adding message, and forwarding the service based on the added dynamic queue.
2. The traffic forwarding method according to claim 1, wherein the adding a dynamic queue in the core device according to the dynamic queue addition message comprises:
determining a queue creation condition of a server corresponding to a binding interface in the core equipment according to the binding interface in the dynamic queue adding message; the binding interface is an interface connected with an uplink interface of the access equipment in the core equipment;
and if the queue creating condition represents that a primary dynamic queue corresponding to the server side is created, creating a secondary dynamic queue corresponding to the server side according to the dynamic queue adding message.
3. The traffic forwarding method according to claim 2, wherein after determining, according to the binding interface in the dynamic queue addition message, a queue creation condition of a server corresponding to the binding interface in the core device, the method further comprises:
if the queue creating condition represents that a primary dynamic queue corresponding to the server is not created, creating the primary dynamic queue corresponding to the server according to the configuration information of the server;
and creating a secondary dynamic queue corresponding to the server according to the dynamic queue adding message.
4. The traffic forwarding method of claim 1, wherein the method further comprises:
acquiring the congestion condition of a downlink public network interface used for connecting the access equipment in the core equipment;
and when the congestion condition of the downlink public network interface changes, creating a first-level dynamic queue corresponding to the server according to the configuration information of the server corresponding to the downlink public network interface in the core equipment.
5. The traffic forwarding method according to any one of claims 1-4, wherein the method further comprises:
receiving a dynamic queue deleting message sent by access equipment; the dynamic queue deleting message comprises configuration information of a client corresponding to the uplink interface, and the dynamic queue deleting message is used for representing that the uplink interface is lower than the congestion threshold;
deleting a secondary dynamic queue corresponding to the binding interface and the client identifier according to the binding interface and the client identifier in the dynamic queue deletion message;
judging whether the first-level dynamic queue corresponding to the deleted second-level dynamic queue meets the deletion condition;
and if the first-stage dynamic queue corresponding to the deleted second-stage dynamic queue meets the deletion condition, deleting the first-stage dynamic queue corresponding to the deleted second-stage dynamic queue.
6. A service forwarding method is applied to an access device, and comprises the following steps:
acquiring the congestion condition of an inlet direction of an uplink interface used for connecting core equipment in the access equipment;
when the inlet direction of the uplink interface reaches a congestion threshold, generating a dynamic queue addition message according to configuration information of a client corresponding to the uplink interface in the access equipment;
and sending the dynamic queue adding message to corresponding core equipment according to the configuration information of the client, so that the core equipment adds the dynamic queue according to the dynamic queue adding message and performs service forwarding based on the added dynamic queue.
7. A service forwarding apparatus, applied to a core device, includes:
the receiving module is used for receiving a dynamic queue adding message sent by the access equipment; the dynamic queue adding message comprises configuration information of a client corresponding to an uplink interface used for connecting the core device in the access device, and the dynamic queue adding message is used for representing that the direction of the uplink interface inlet reaches a congestion threshold;
and the adding module is used for adding a dynamic queue in the core equipment according to the dynamic queue adding message so as to forward the service based on the added dynamic queue.
8. A service forwarding apparatus, applied to an access device, includes:
a first obtaining module, configured to obtain a congestion condition of an uplink interface used for connecting a core device in the access device;
a generating module, configured to generate a dynamic queue addition message according to configuration information of a client corresponding to the uplink interface in the access device when the uplink interface entry direction reaches a congestion threshold;
and the sending module is used for sending the dynamic queue adding message to corresponding core equipment according to the configuration information of the client, so that the core equipment adds the dynamic queue according to the dynamic queue adding message and performs service forwarding based on the added dynamic queue.
9. An electronic device, comprising: a processor, a memory, and a bus;
the processor and the memory are communicated with each other through the bus;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform a traffic forwarding method according to any one of claims 1-6 or a traffic forwarding method according to claim 7.
10. A computer-readable storage medium, characterized in that it stores computer instructions which, when executed by a computer, cause the computer to perform the traffic forwarding method according to any one of claims 1-6 or the traffic forwarding method according to claim 7.
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