CN113055232A - Network configuration deployment method, device and equipment - Google Patents
Network configuration deployment method, device and equipment Download PDFInfo
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Abstract
The embodiment of the application discloses a network configuration deployment method, a device and equipment. The method comprises the following steps: in an SDN network environment, an SDN controller determines network equipment through a management channel; the SDN controller determines the network roles of the network devices according to the types and the characteristics of the network devices, and combines different network devices into corresponding network models according to the network roles; the SDN controller determines a topological connection relation between network equipment in a network model according to a network role and a service port on the network equipment to complete network planning; the SDN controller allocates network resources in a resource pool according to network planning, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment operates a network protocol through the configuration commands, and network communication is achieved.
Description
Technical Field
The present application relates to the field of network communication technologies, and in particular, to a method, an apparatus, and a device for deploying network configuration.
Background
In order to realize network interconnection and provide network services for users, network planning and configuration of network equipment are generally required. The network planning is to reasonably analyze the whole network and comprehensively arrange the construction of the network before the network is constructed.
Network traffic keeps growing exponentially with the rapid development of network technology, and the deployment of the existing networks is stressed. In the prior art, the role of a physical device is usually designated manually, and then the physical device is planned manually to perform a topological connection between network devices. In this way, it is difficult to update the configuration command in time according to the state change of the network device, so that it is difficult to ensure the normal forwarding of the network traffic.
Disclosure of Invention
The embodiment of the application provides a method, a device and equipment for deploying network configuration, which are used for solving the following technical problems: the network is planned in a manual mode, and the configuration command is difficult to update in time according to the state change of the network equipment, so that the normal forwarding of the network flow is difficult to guarantee.
The embodiment of the application adopts the following technical scheme:
the embodiment of the application provides a network configuration deployment method. In an SDN network environment, an SDN controller determines network equipment through a management channel; the SDN controller determines the network roles of the network devices according to the types and the characteristics of the network devices, and combines different network devices into corresponding network models according to the network roles; the SDN controller determines a topological connection relation between network equipment in a network model according to a network role and a service port on the network equipment to complete network planning; the SDN controller allocates network resources in the resource pool according to network planning, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment operates a network protocol through the configuration commands, and network communication is achieved.
According to the embodiment of the application, the network roles of the network equipment and the network equipment are determined through the SDN controller, and different network equipment are combined into a corresponding network model according to the network roles. The problem of the work load is great because of carrying out network planning by the manual work is solved. Meanwhile, the SDN controller determines the topological connection relation among the network devices to complete network planning, and network resources are allocated to different network devices through the network planning. Therefore, the network configuration can be automatically performed through the SDN controller, the configuration can be updated in time along with the state change of the network equipment, and the normal forwarding of the network flow is ensured.
In an implementation manner of the present application, before allocating network resources in a resource pool, the method further includes: the SDN controller adopts the pooling network resources to construct a resource pool, divides the network resources in the resource pool into one or more resource domains according to the actual networking requirements, and allocates corresponding network resource configuration units for the resource domains; one or more network resource configuration units form a configuration characteristic set; the SDN controller associating one or more sets of configuration characteristics to network roles in a network model; and generating a corresponding network configuration template according to the network resource configuration unit and the network model.
According to the embodiment of the application, the corresponding network configuration template is generated, so that the network resources can be distributed in time according to the network configuration template under the condition that a user puts forward a demand, and the network flow can be forwarded in time.
In an implementation manner of the present application, before allocating network resources in a resource pool and determining network resource parameters, the method further includes: the SDN controller determines a corresponding network model according to user requirements; determining a corresponding network configuration template through a network model; determining a configuration characteristic set in a network configuration template, and determining a network resource configuration unit corresponding to the configuration characteristic set; searching a resource domain matched with the network resource configuration unit in the resource pool; network resources in the resource domain are allocated to network devices in the network model.
According to the method and the device, the corresponding network configuration template is determined through the network model, different network configuration models can be provided according to different requirements of users, and the correctness of resource configuration is guaranteed. In addition, the network resource allocation unit in the network allocation template corresponds to the resource domain in the resource pool, so that the allocation of resources can be clear and ordered, and the probability of uneven resource allocation and allocation error can be reduced.
In one implementation manner of the present application, a resource domain matched with a network resource configuration unit is searched in a resource pool; allocating network resources in a resource domain to network devices in a network model specifically includes: the SDN controller searches a matched network resource configuration unit in network path resources, network address resources, network protocol resources and network application resources in sequence, and determines a resource domain according to the network resource configuration unit; wherein, the network resource allocation unit corresponds to the resource domain; and allocating the network resources in the resource domain corresponding to the network resource configuration unit to the network equipment in the network model.
In an implementation manner of the present application, the SDN controller determines a topological connection relationship between network devices in a network model according to a network role and a service port on the network device, and specifically includes: the SDN controller connects the network devices through different connection relations according to network roles, wherein the connection relations at least comprise one or more of MLAG connection relations and BOND connection relations; and the SDN controller manages and plans specific connection service ports between the devices according to the service ports on the network devices to form a topological connection relation.
In an implementation manner of the present application, the SDN controller allocates network resources in a resource pool according to the network plan, specifically including: the SDN controller allocates link resources in a resource pool according to a topological link connection relation of a current network model so as to determine ports on network equipment corresponding to two ends of a link; and transmitting other network resources except the link resources in the resource pool to the corresponding ports on the network equipment through the links.
The embodiment of the application allocates the link resources in the resource pool, and then issues other network resources except the link resources in the resource pool to the corresponding ports on the network equipment through the link. Through the sequence, the network resources can be guaranteed to be issued to the corresponding ports, and therefore normal forwarding of service flow is guaranteed.
In an implementation manner of the present application, allocating a configuration command to the network device specifically includes: and according to the network layer where the network equipment is located, converting the network resource parameters into a configuration command corresponding to the current network layer, and sending the configuration command to the network equipment.
In an implementation manner of the present application, after the network device operates the network protocol through the configuration command to implement network connectivity, the method further includes: the SDN controller and the network equipment regularly exchange equipment running state information; under the condition that the network equipment fails, the SDN controller timely reallocates network resources.
The embodiment of the application provides a network configuration deployment device, which comprises a network equipment scanning unit, wherein in an SDN environment, an SDN controller determines network equipment through a management channel; the SDN controller determines the network roles of the network devices according to the types and characteristics of the network devices and combines different network devices into a corresponding network model according to the network roles; the SDN controller determines a topological connection relation between network equipment in a network model according to a network role and a service port on the network equipment to complete network planning; and the SDN controller allocates the network resources in the resource pool according to the network planning, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment so that the network equipment operates a network protocol through the configuration commands to realize network communication.
An embodiment of the present application provides a network configuration deployment device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to: in an SDN network environment, an SDN controller determines network equipment through a management channel; the SDN controller determines the network roles of the network devices according to the types and the characteristics of the network devices, and combines different network devices into corresponding network models according to the network roles; the SDN controller determines a topological connection relation between network equipment in a network model according to a network role and a service port on the network equipment to complete network planning; the SDN controller allocates network resources in the resource pool according to network planning, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment operates a network protocol through the configuration commands, and network communication is achieved.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects: according to the embodiment of the application, the network roles of the network equipment and the network equipment are determined through the SDN controller, and different network equipment are combined into a corresponding network model according to the network roles. The problem of the work load is great because of carrying out network planning by the manual work is solved. Meanwhile, the SDN controller determines the topological connection relation among the network devices to complete network planning, and network resources are allocated to different network devices through the network planning. Therefore, the network configuration can be automatically performed through the SDN controller, the configuration can be updated in time along with the state change of the network equipment, and the normal forwarding of the network flow is ensured.
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In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort. In the drawings:
fig. 1 is a flowchart of a network configuration deployment method provided in an embodiment of the present application;
fig. 2 is a relationship diagram of a cloud platform, an SDN controller, and a physical network device according to an embodiment of the present disclosure;
FIG. 3 is a diagram of a generated network model provided by an embodiment of the present application;
fig. 4 is a network connection diagram after a network topology design is completed according to an embodiment of the present application;
fig. 5 is a topology connection diagram under a failure condition according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a network configuration deployment apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a network configuration deployment device according to an embodiment of the present application.
Detailed Description
The embodiment of the application provides a network configuration deployment method, a network configuration deployment device and network configuration deployment equipment.
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments of the present disclosure, shall fall within the scope of protection of the present application.
The network planning is to carry out reasonable analysis and overall arrangement on the whole network before the network is built. In the prior art, the role of a physical device is usually designated manually, and then the physical device is planned manually to perform a topological connection between network devices.
Therefore, the prior art lacks an automatic process in planning and deploying stages, and the connectivity of the physical network is difficult to guarantee in advance. It is also difficult to update the status of the network device and the configuration command in time, thereby affecting the configuration correctness of the service and the normal forwarding of the service flow. Meanwhile, due to the lack of automatic configuration, the method also has the problems of large workload, complex configuration, untimely response, easy error and the like.
In order to solve the foregoing problems, embodiments of the present application provide a method, an apparatus, and a device for deploying network configuration. The network device and the network role of the network device are determined through the SDN controller, and different network devices are combined into a corresponding network model according to the network role. The problem of the work load is great because of carrying out network planning by the manual work is solved. Meanwhile, the SDN controller determines the topological connection relation among the network devices to complete network planning, and network resources are allocated to different network devices through the network planning. The method can automatically carry out network configuration, and timely update the configuration along with the state change of the network equipment, thereby ensuring the normal forwarding of the network flow.
The technical solutions proposed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a network configuration deployment method according to an embodiment of the present application. As shown in fig. 1, the network configuration deployment method includes the following steps:
s101, in an SDN environment, an SDN controller determines network equipment through a management channel.
In one embodiment of the present application, in an SDN network environment, a management network is constructed, and all network device management ports in the network are connected in the management network. Deploying the cloud platform and the SDN control in the management network to determine the corresponding physical network type through the SDN control.
In one embodiment of the present application, a network topology in an SDN network environment mainly includes a cloud platform (OpenStack), an SDN controller (opendayright), a physical switch, a physical firewall, and other physical network devices.
In one embodiment of the present application, the SDN managing network resources includes:
service port resources: available service port resources on all physical network devices in the network;
network link resources: link resources between available service ports on all physical network devices within the network;
network path resources: according to the found nodes and links, the optimal path of the network flow is needed for realizing the connectivity of the service flow;
network address resources: the network equipment connecting point corresponds to the two-layer or three-layer address resource of the service port;
a network protocol resource; network protocol related resources used by the service network;
a network application resource; and applying the application resources corresponding to the application flow in the service network.
In an embodiment of the present application, an SDN controller constructs a resource pool by using a pooling network resource, divides the network resource in the resource pool into one or more resource domains according to an actual networking requirement, and allocates a corresponding network resource configuration unit to the resource domains. One resource domain corresponds to one network resource configuration unit, so that the corresponding resource domain can be determined by the network configuration unit in the embodiment of the application.
It should be noted that the SDN controller is an application in a Software Defined Network (SDN) and is responsible for flow control to ensure an intelligent network. SDN controllers are based on protocols such as OpenFlow, allowing servers to tell switches where to send packets. An SDN controller is an operating system that acts as a network. The controller does not control the network hardware but operates as software, which facilitates network automation management. Software-based network control makes it easier to integrate service applications and networks.
It should be noted that the physical network type in the embodiment of the present application is determined according to the service condition of a specific user and the characteristics of the switch, and the basic network type is classified into an L2 (two-tier) network and an L3 (three-tier) network according to different classification methods and ISO standards, where the L2 network requires the switch to have L2-related characteristic support, and the L3 network requires the switch to have L3-related characteristic support. Or may be divided into centralized, layered, distributed, etc. physical networks according to deployment. The network can be divided into different physical network types such as an access layer network, a convergence layer network, a core network and the like according to roles.
In one embodiment of the present application, a physical device is scanned in a management network through a dedicated management channel to determine a network device. The SDN controller performs information interaction with the network equipment through the management channel.
In one embodiment of the present application, the network devices include a physical switch, a gateway device, a firewall FW, and the like.
Fig. 2 is a relationship diagram of a cloud platform, an SDN controller, and a physical network device according to an embodiment of the present application. As shown in fig. 2, the lines in the figure represent management channels between the SDN controller and the physical network devices. The SDN controller discovers 9 pieces of switch equipment (SW 1-SW 9) and 1 piece of Firewall (FW) together.
In an embodiment of the present application, the SDN controller scans for a discovered network device through a management channel, and performs information interaction with the discovered network device through the management channel in the figure. For example, the network device may pass information on device model, characteristics, operational status, etc. to the SDN controller, which may pass resource allocation commands to the network device. And the network devices discovered by scanning can be visually displayed on an SDN user interface.
S102, the SDN controller determines the network roles of the network devices according to the types and the characteristics of the network devices, and different network devices are combined into a corresponding network model according to the network roles.
In one embodiment of the present application, the SDN controller performs information interaction with the network device through a management channel. Different physical devices, such as physical switches SW 1-SW 9 in fig. 2, firewall FW will report the product model and product characteristics to the SDN controller. And the SDN controller determines the network roles corresponding to the physical devices according to the reported information and the physical network types, and combines different network devices into corresponding network models according to the network roles. In different physical network types, network devices have different roles, different characteristics and different assumed tasks.
Fig. 3 is a diagram of a generated network model according to an embodiment of the present application. As shown in fig. 3, the network devices are combined into a network model based on the determination of the network devices in fig. 2. Networking is carried out according to a BORDER-SPINE-LEAF mode. Wherein the SDN controller determines switches SW1 and SW2 as BORDER roles, switches SW3 and SW4 as SPINE roles, and switches SW5, SW6, SW7, SW8, SW9 all as LEAF roles. And combining the network devices into a corresponding network model according to the determined network roles.
In one embodiment of the application, an SDN controller associates one or more sets of configuration characteristics to network roles in the network model. The configuration characteristic set at least comprises one or more network resource configuration units, and a corresponding network configuration template is generated according to the configuration characteristic set and the network model. Configuration templates such as BORDER, spin, LEAF, FW, etc. are respectively associated with the networking model shown in fig. 3. Through the network configuration template, a suitable network model can be configured for the user in time under the condition that the user puts forward the requirement. Therefore, resources can be distributed to the network equipment in time, and the network flow can be forwarded in time.
S103, the SDN controller determines a topological connection relation between network devices in the network model according to the network roles and service ports on the network devices, and network planning is completed.
In an embodiment of the present application, an SDN controller first performs management and allocation in service port resources according to roles of network devices and service ports available on the devices.
Specifically, most of the final configuration of the network resource is issued to the corresponding port, and therefore, the available service port on the network device needs to be determined according to the network role of the device. And manage and allocate the available service ports in the service port resources.
In an embodiment of the present application, the SDN controller connects network devices through different connection relationships according to network roles. Wherein, the connection relationship at least comprises one or more of MLAG connection relationship and BOND connection relationship. And the SDN controller manages and plans specific connection service ports between the devices according to the service ports on the network devices to form a topological connection relation.
Fig. 4 is a network connection diagram after a network topology design is completed according to an embodiment of the present application, and as shown in fig. 4, a network plan is completed on the basis that fig. 3 determines a network role to which a network device belongs. Forming an MLAG connection relation between the LEAF device and the SPINE device, an MLAG connection relation between the SPINE device and the BORDER, an MLAG connection relation between the BORDER device and the FW, and a BOND connection relation between a COMPUTER COMPUTER connected with the LEAF device and the bare metal server.
It should be noted that, the connection relationship in the embodiment of the present application may perform different types of connections between network devices according to actual application situations.
It should be noted that the MLAG (Multi-Chassis Link Aggregation Group) technology is a cross-device Link Aggregation technology, and two physical devices are virtualized into one device on an Aggregation layer to implement cross-device Link Aggregation, thereby providing device-level redundancy protection and traffic load.
Table 1 is a connection port plan in the network topology connection relationship of fig. 3.
TABLE 1
As shown in table 1, in the network model shown in fig. 3, the PORT1 PORT of the network device SW1 and the PORT1 PORT of SW3 are connected through a management channel. The PORT2 PORT of SW1 and the PORT1 PORT of SW4 are connected through a management channel. The PORT1 PORT of SW2 and the PORT2 PORT of SW3 are connected through a management channel. According to the connection rule, the SDN controller manages and plans specific connection service ports among network devices in the network model to form specific topological connection.
In an embodiment of the present application, a user of a network or an engineering maintenance person may perform connection of physical links according to the determined networking type and the topology connection relationship.
And S104, the SDN controller allocates the network resources in the resource pool according to the network planning, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment so that the network equipment operates a network protocol through the configuration commands to realize network communication.
In one embodiment of the present application, the SDN controller performs management and allocation of link resources.
Specifically, the SDN controller allocates link resources in the resource pool according to a topological link connection relationship of a current network model, so as to determine ports on the network device corresponding to two ends of the link. And then, other network resources except the link resources in the resource pool are issued to the ports on the corresponding network equipment through the links. Thereby ensuring that the network resources can be issued to accurate network equipment.
In an embodiment of the present application, the main resources of the link resource include a port, a VLAN, and the like, which correspond to the two resource domains respectively. The resource range of the port is determined by specifications on a network device (switch) (for example, only 24 gigabit ports are on a 24-port gigabit switch, 48 trillion ports are on a 48-port trillion switch), and the available port number is determined according to the connection relationship of topological links in the whole network to determine how many ports are occupied at least, whether the port number is enough, and how many ports are available for later expansion. The VLAN corresponds to how many service networks are in a user (tenant), and each service network occupies at least one VLAN resource.
It should be noted that most of the final configuration of the network resources is issued to the ports corresponding to the network devices, so that the ports on the network devices corresponding to both ends of the link can be determined by determining the allocation of the link resources in the embodiment of the present application.
In one embodiment of the present application, the SDN controller groups one or more network resource configuration units into a configuration feature set. The SDN controller associates one or more configuration characteristic sets with network roles in the network model, and generates a corresponding network configuration template according to the configuration characteristic sets and the network model.
It should be noted that. A plurality of network configuration templates may be generated in an SDN network environment, so as to provide a network configuration template suitable for a user's requirement according to the user's requirement.
In an embodiment of the present application, the SDN controller determines a corresponding network model according to a user requirement, and determines a corresponding network configuration template through the network model. And determining a configuration characteristic set in the network configuration template through the corresponding network configuration template, and determining a network resource configuration unit corresponding to the configuration characteristic set.
In one embodiment of the present application, a resource domain matching a network resource configuration unit is searched in a resource pool by an SDN controller. And distributing the network resources in the searched resource domain to the network equipment in the network model.
Specifically, the SDN controller searches for a matched network resource configuration unit in the network path resource, the network address resource, the network protocol resource, and the network application resource in sequence. And determining a resource domain according to the network resource configuration unit, wherein the network resource configuration unit corresponds to the resource domain. And allocating the network resources in the resource domain corresponding to the network resource configuration unit to the network equipment in the network model.
Specifically, according to a network configuration template required by a user, a network configuration unit corresponding to the template can be determined. The network resource configuration unit is found in the resource pool, and the resource domain corresponding to the network resource configuration unit can be determined, so that the network resources in the resource domain are allocated to the network equipment in the network model required by the user.
In an embodiment of the present application, according to a network layer where the network device is located, the network resource parameter is converted into a configuration command corresponding to a current network layer, and the configuration command is issued to the network device. The network device operates the network protocol through the configuration command to realize network communication. Furthermore, the "used" and "available" cases of the presentation resource pool are also presented on the SDN user interface.
Specifically, the SDN controller determines the type of the network model, and the physical network type is determined according to the service condition of a specific user and the characteristics of the switch. For example, the network is classified into L2 (two-layer) and L3 (three-layer) networks according to ISO standard hierarchy, and is classified into physical networks such as a centralized type, a layered type, and a distributed type according to a deployment mode, and may be classified into different physical network types such as an access layer network, an aggregation layer network, and a core network according to roles. And converting the network resource parameters into corresponding configuration commands according to the determined network type, and transmitting the configuration commands to the network equipment.
In one embodiment of the present application, the network resources may include: service port resources, network link resources, network path resources, network address resources, network protocol resources, network application resources. The service port resource parameters include, but are not limited to, port ID and port name. The network link resource parameters include, but are not limited to, the home port, the peer port, the port ID, the port type, and the port name of the link. The network path resource parameters include, but are not limited to, device ID, device name, device is port ID, port name on the network path. Network address resource parameters include, and are not limited to, VLAN, IPV4 address, IPV6 address. The network protocol resource parameters include, but are not limited to, configuration parameters corresponding to STP, OSPF, BGP two-layer or three-layer network protocols. The network application resource parameters include, but are not limited to, configuration parameters corresponding to specific service applications, such as NAT, QOS, LOADBALANCE, firewall FW, and the like.
In one embodiment of the present application, the SDN controller periodically exchanges device operational state information with the network device. Under the condition that the network equipment fails, the SDN controller timely reallocates network resources.
Specifically, information such as the running state of the device is exchanged between the network device and the SDN controller periodically, and when the network device fails or has a problem, the information is discovered in time through the SDN controller. And reallocating network resources, displaying available resources on an SDN user interface, reminding a user of changing the physical link connection between the devices in time, and carrying out network planning again. And re-allocating the link resources and the network resources.
Fig. 5 is a topology connection diagram under a fault condition according to an embodiment of the present application. As shown in fig. 5, when the network device SW8 fails, the network channel connections between the network devices SW8 and SW3, SW4, component 3, and component 4 are planned again, and SW8 no longer participates in network planning and network resource allocation. Both the link and network resources associated with SW8 may change.
It should be noted that the network resource reallocation of the SDN controller is not limited only to the case where the network device fails, but also may be used to reallocate the network resource in the cases of network device upgrade, network device extension, network device replacement scenario, and the like.
Fig. 6 is a schematic structural diagram of a network configuration deployment apparatus according to an embodiment of the present application. The device comprises: a network device scanning unit S601, a network model generating unit S602, a network planning unit S603, and a network resource allocating unit S604.
A network device scanning unit S601, in an SDN network environment, determining, by an SDN controller, a network device through a management channel;
a network model generating unit S602, determining, by the SDN controller, a network role of the network device according to the type and characteristics of the network device, and combining different network devices into a corresponding network model according to the network role;
a network planning unit S603, where the SDN controller determines a topological connection relationship between network devices in the network model according to the network role and a service port on the network device, and completes network planning;
the network resource allocation unit S604 allocates network resources in the resource pool according to the network plan, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network devices, so that the network devices operate a network protocol through the configuration commands, thereby implementing network connectivity.
Fig. 7 is a schematic structural diagram of a network configuration deployment device according to an embodiment of the present application. The apparatus comprises:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
in an SDN network environment, an SDN controller determines network equipment through a management channel;
the SDN controller determines the network role of the network equipment according to the type and the characteristics of the network equipment, and combines different network equipment into a corresponding network model according to the network role;
the SDN controller determines a topological connection relation between network devices in the network model according to the network roles and service ports on the network devices to complete network planning;
and the SDN controller allocates the network resources in the resource pool according to the network plan, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment runs a network protocol through the configuration commands, and network communication is realized.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the embodiments of the apparatus, the device, and the nonvolatile computer storage medium, since they are substantially similar to the embodiments of the method, the description is simple, and for the relevant points, reference may be made to the partial description of the embodiments of the method.
The foregoing description of specific embodiments of the present application has been presented. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the embodiments of the present application pertain. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for deploying network configuration, the method comprising:
in an SDN network environment, an SDN controller determines network equipment through a management channel;
the SDN controller determines the network role of the network equipment according to the type and the characteristics of the network equipment, and combines different network equipment into a corresponding network model according to the network role;
the SDN controller determines a topological connection relation between network devices in the network model according to the network roles and service ports on the network devices to complete network planning;
and the SDN controller allocates the network resources in the resource pool according to the network plan, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment runs a network protocol through the configuration commands, and network communication is realized.
2. The method of claim 1, wherein before allocating the network resources in the resource pool, the method further comprises:
the SDN controller adopts a pooling network resource to construct a resource pool, divides the network resource in the resource pool into one or more resource domains according to the actual networking requirement, and allocates a corresponding network resource configuration unit for the resource domains; one or more network resource configuration units form a configuration characteristic set;
the SDN controller associating one or more sets of configuration characteristics to network roles in the network model;
and generating a corresponding network configuration template according to the configuration characteristic set and the network model.
3. The method according to claim 1, wherein before the allocating the network resources in the resource pool and determining the network resource parameters, the method further comprises:
the SDN controller determines a corresponding network model according to user requirements;
determining a corresponding network configuration template through the network model;
determining a configuration characteristic set in the network configuration template, and determining a network resource configuration unit corresponding to the configuration characteristic set;
searching a resource domain matched with the network resource configuration unit in the resource pool; and allocating the network resources in the resource domain to the network equipment in the network model.
4. A network configuration deployment method according to claim 3, wherein said searching for the resource domain matching said network resource configuration unit in said resource pool; allocating the network resources in the resource domain to the network devices in the network model specifically includes:
the SDN controller searches a matched network resource configuration unit in network path resources, network address resources, network protocol resources and network application resources in sequence, and determines a resource domain according to the network resource configuration unit; wherein the network resource configuration unit corresponds to the resource domain;
and allocating the network resources in the resource domain corresponding to the network resource configuration unit to the network equipment in the network model.
5. The method according to claim 1, wherein the SDN controller determines a topological connection relationship between network devices in the network model according to the network role and service ports on the network devices, and specifically includes:
the SDN controller connects the network devices through different connection relations according to the network roles, wherein the connection relations at least comprise one or more of MLAG connection relations and BOND connection relations;
and the SDN controller manages and plans specific connection service ports between the devices according to the service ports on the network devices to form a topological connection relation.
6. The method according to claim 1, wherein the SDN controller allocates network resources in a resource pool according to the network plan, specifically comprising:
the SDN controller allocates link resources in the resource pool according to a topological link connection relation of a current network model so as to determine ports on network equipment corresponding to two ends of the link;
and issuing other network resources except the link resources in the resource pool to a port on the corresponding network equipment through the link.
7. The method according to claim 1, wherein the allocating the configuration command to the network device specifically includes:
and converting the network resource parameters into a configuration command corresponding to the current network layer according to the network layer where the network equipment is located, and sending the configuration command to the network equipment.
8. The method according to claim 1, wherein after the network device implements network connectivity by running a network protocol through the configuration command, the method further comprises:
the SDN controller and the network equipment regularly exchange equipment running state information;
the SDN controller reallocates the network resources in time when the network device fails.
9. A network configuration deployment apparatus, comprising:
a network device scanning unit, wherein in an SDN network environment, an SDN controller determines a network device through a management channel;
the SDN controller determines the network roles of the network devices according to the types and characteristics of the network devices and combines different network devices into corresponding network models according to the network roles;
the SDN controller determines a topological connection relation between network devices in the network model according to the network roles and service ports on the network devices to complete network planning;
and the SDN controller allocates the network resources in the resource pool according to the network plan, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment runs a network protocol through the configuration commands to realize network communication.
10. A network configuration deployment device, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
in an SDN network environment, an SDN controller determines network equipment through a management channel;
the SDN controller determines the network role of the network equipment according to the type and the characteristics of the network equipment, and combines different network equipment into a corresponding network model according to the network role;
the SDN controller determines a topological connection relation between network devices in the network model according to the network roles and service ports on the network devices to complete network planning;
and the SDN controller allocates the network resources in the resource pool according to the network plan, determines network resource parameters, converts the allocated network resource parameters into configuration commands, and allocates the configuration commands to the network equipment, so that the network equipment runs a network protocol through the configuration commands, and network communication is realized.
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