WO2012159326A1

WO2012159326A1 - Method and device for dynamically constructing network

Info

Publication number: WO2012159326A1
Application number: PCT/CN2011/077099
Authority: WO
Inventors: 洪维江; 石戬
Original assignee: 华为技术有限公司
Priority date: 2011-07-13
Filing date: 2011-07-13
Publication date: 2012-11-29
Also published as: CN102986167A; CN102986167B

Abstract

The present invention provides a method and device for dynamically constructing network, which relates to the technical field communications, simplifies scale networking management, and improves environment utilization. Solutions provided by embodiments of the present invention obtain a set of candidate communication network equipment which have same types as nodes in a logical topology and a set of the interfaces of the candidate communication network equipment according to received logical topology and logical topology constraint rules in a predetermined large-scale network, which is constructed by different types of communication network equipment and the interfaces of the communication network equipment. Then a target communication network equipment and the interface of the target communication network equipment are determined. A connection is established based on the logical topology constraint rules. Solutions provided by embodiments of the present invention are adapted to being used in the dynamical constructing of a network.

Description

Method and device for dynamically setting up networking

The present invention relates to the field of communication network technologies, and in particular, to a method and an apparatus for dynamically setting up a networking. Background technique

In the process of IP (Interne t Protocol), the network carries more and more services, and the scale of the network is getting larger and larger. The IP service test and other activities are built for the test execution environment. The requirements for environmental utilization efficiency are getting higher and higher, and the demand for the network environment is becoming more and more abundant.

Generally, you can use the static link mode when setting up a topology network. The staff manually specifies the devices and interfaces to be used, and then manually build them as needed. Or use the pure static link mode to build a topology network. According to the physical environment networking, logical topology networking and logical topology constraint rules, describe the constraint rules in the actual test, perform topology mapping, and then automatically calculate the satisfaction. The actual networking required for the constraint.

In the prior art, the topology network can be dynamically changed based on the patch panel or the physical cross-connect device, wherein the patch panel needs to be manually changed, and the physical cross-connect device can be driven by software instructions to establish a connection, and the manual calculation is dynamic. The topology changes.

However, when the existing technology is used for networking, the network management is complicated and the environment utilization rate is low. Summary of the invention

The embodiments of the present invention provide a method and an apparatus for dynamically setting up a networking, which can simplify management of a large-scale network and improve environment utilization.

In order to achieve the above object, embodiments of the present invention use the following technical solutions:

A method for dynamically setting up a network, including:

Receiving input logical topology, logical topology constraint rules, and interfaces of different types of communication network devices and different types of communication network devices that constitute a preset large-scale network; Acquiring, in the preset large-scale network, a candidate communication network device set and a candidate communication network device that are the same as each node type in the logical topology according to the logical topology and the logical topology constraint rule Collection of interfaces;

Determining, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, a topology equivalence class of the candidate communication network device and a topology equivalence class of the interface of the candidate communication network device;

Determining, according to a topology equivalence class of the candidate communication network device and a topology equivalence class of an interface of the candidate communication network device, a target communication network device corresponding to each node in the logical topology and the target Interface of the communication network device;

And establishing, according to the determined interface of the target communication network device and the target communication network device, a link according to a logical topology constraint rule to obtain a target network that satisfies the logical topology and the logical topology constraint rule.

A device for dynamically setting up a network, comprising:

a receiving unit, configured to receive an input logical topology, a logical topology constraint rule, and an interface of a different type of communication network device and a different type of communication network device that constitute a preset large-scale network; an acquiring unit, configured to perform according to the logic a topology and the logical topology constraint rule, acquiring, in the preset large-scale network, a set of candidate communication network devices and an interface set of the candidate communication network device that are the same as each node type in the logical topology;

a first determining unit, configured to determine, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, an interface of the topology equivalence class of the candidate communication network device and an interface of the candidate communication network device Topological equivalence class;

a second determining unit, configured to determine, according to a topology equivalence class of the candidate communication network device and a topology equivalence class of an interface of the candidate communication network device, a target corresponding to each node in the logical topology An interface of the communication network device and the target communication network device;

a establishing unit, configured to establish a link according to the logical topology constraint rule according to the determined interface of the target communication network device and the target communication network device, to obtain a target network that satisfies the logical topology and the logical topology constraint rule . The method and device for dynamically setting up a network provided by the embodiment of the present invention, by processing a preset large-scale network according to a logical topology and a logical topology constraint rule, obtaining the same candidate as each node type in the logic topology And a set of interfaces of the communication network device and the candidate communication network device, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, respectively determining a topology equivalence class, and determining each of the logical topologies The interfaces of the target communication network device and the target communication network device corresponding to each node are linked between the target communication network devices. When the networking is performed in the prior art, the networking management is complicated, and the environment utilization is low. Compared with the solution provided by the embodiment of the present invention, the network management can be simplified, and the environment utilization rate can be simplified. improve. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set forth in the description of the claims Other drawings may also be obtained from these drawings without the inventive labor.

1 is a flowchart of a method for dynamically setting up a network according to Embodiment 1 of the present invention; FIG. 2 is a block diagram of an apparatus for dynamically setting up a network according to Embodiment 1 of the present invention; 2 is a flowchart of a method for dynamically setting up a network; FIG. 4 is a block diagram of an apparatus for dynamically setting up a network according to Embodiment 2 of the present invention. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Example 1

An embodiment of the present invention provides a method for dynamically setting up a networking. As shown in FIG. 1, the method includes: Step 101: Receive an input logical topology, a logical topology constraint rule, and an interface of different types of communication network devices and different types of communication network devices that constitute a preset large-scale network;

Step 102: Acquire, in the preset large-scale network, a candidate communication network device set and the candidate corresponding to each node type in the logical topology according to the logical topology and the logical topology constraint rule. a collection of interfaces of a communication network device;

Step 103: Determine, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, respectively, a topological equivalence class of the candidate communication network device and a topology of an interface of the candidate communication network device, and the like Price class

Step 104: Determine, according to a topology equivalence class of the candidate communication network device and a topology equivalence class of an interface of the candidate communication network device, a target communication network device corresponding to each node in the logical topology. An interface of the target communication network device;

Step 105: Establish a link according to the determined interface of the target communication network device and the target communication network device according to a logical topology constraint rule to obtain a target network that satisfies the logical topology and the logical topology constraint rule.

The method for dynamically setting up a network provided by the embodiment of the present invention processes a preset large-scale network according to a logical topology and a logical topology constraint rule, and obtains a candidate communication network device of the same type as each node in the logic topology. And a set of interfaces of the candidate communication network device, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, respectively determining a topology equivalence class, and determining each node in the logical topology Corresponding target communication network device and an interface of the target communication network device, linking the target communication network devices. Compared with the prior art, the network management is complicated and the environment utilization is low. Compared with the solution provided by the embodiment of the present invention, the large-scale network management is simple and the environment utilization rate is improved.

The embodiment of the present invention provides a device for dynamically setting up a network. The device may be a configuration management server, and may be a topology mapping device. As shown in FIG. 2, the device includes: a receiving unit 201, an obtaining unit 202, and a A determining unit 203, a second determining unit 204, and an establishing unit 205.

The receiving unit 201 is configured to receive an input logical topology, a logical topology constraint rule, and an interface of different types of communication network devices and different types of communication network devices that constitute a preset large-scale network; The obtaining unit 202 is configured to acquire, in the preset large-scale network, a candidate communication network device set that is the same as each node type in the logical topology according to the logical topology and the logical topology constraint rule. An interface set of the candidate communication network device;

a first determining unit 203, configured to determine, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, a topology equivalence class of the candidate communication network device and a candidate communication network device, respectively The topology equivalence class of the interface;

a second determining unit 204, configured to determine, according to a topology equivalence class of the candidate communication network device and a topology equivalence class of an interface of the candidate communication network device, each node in the logical topology An interface of the target communication network device and the target communication network device;

The establishing unit 205 is configured to establish a link according to the logical topology constraint rule according to the determined interface of the target communication network device and the target communication network device, to obtain a target that satisfies the logical topology and the logical topology constraint rule. The internet.

The device for dynamically setting up the network provided by the embodiment of the present invention obtains, by the acquiring unit, a set of candidate communication network devices and a set of interfaces of the candidate communication network device that are the same as each node type in the logic topology, and the first determining unit Determining a topology equivalence class in the set of candidate communication network devices and the interface set of the candidate communication network device, and second determining unit determining a target communication network device corresponding to each node in the logical topology and the target An interface of the communication network device, wherein the target communication network device is linked by using an establishing unit. When the network is configured in the prior art, the network management is complicated, and the environment utilization is low. Compared with the solution provided by the embodiment of the present invention, the large-scale network management is simple, and the environment utilization rate is improved.

Example 2

An embodiment of the present invention provides a method for dynamically setting up a networking. As shown in FIG. 3, the method includes:

Step 301: The topology mapping device receives the input logical topology, the logical topology constraint rule, and the interfaces of different types of communication network devices and different types of communication network devices that are preset to the large-scale network;

Different types of communication network devices and different types of communication networks in the preset large-scale network The interface of the network device is linked by a physical cross-connect device;

Specifically, the logical topology includes: a network element and an L-Media element, where the network element includes: an interface of a communication network device and a communication network device, where the communication network device includes a router and a traffic. The router may be of various types, for example: the routers may be NE5000E, NE80E, and NE40E. For example, the logical topology includes: router A NE80E, router B NE5000E, router C NE40E and flow instrument D, wherein router A NE80E and router B NE5000E are dynamically linked, router B NE5000E and router C NE40E are dynamically linked, router A NE80E and Router C NE40E dynamic link, router A NE80E and router B NE5000E are dynamically linked with flow instrument D, respectively, where the dynamically linked link can be GE (G i gab it Etherne t, Gigabit Ethernet) link, POS (Packe t Over SONET/SDH, point-to-point protocol protocol for implementing IP packet to SONET frame payload mapping) Link, ATM (Asynchronous Trans fer Mode) link and 10G POS link.

The logical topology constraint rule is a constraint rule set that describes an interface relationship between the communication network device and the communication network device in the logic topology, and the logical topology constraint rule includes: a topology structure constraint, a network Metatype constraints, network logical relationship constraints, and existential constraints.

The preset large-scale network may be a star-shaped network structure, and all the different types of communication network devices in the preset large-scale network are dynamically linked by physical cross-connect devices, or may be partially different types of communications. The network device is dynamically linked by a physical cross-connect device, and the other part of the communication network device is directly statically linked. For example, the communication network device in the preset large-scale network includes: router R1 NE40E, router R2 NE40E, router R3 NE5000E, router R4 NE40E, router R5 NE5000E, router R6 NE80E, router R7 NE5000E, router R8 NE80E, flow instrument Tl, flow instrument Τ2, the communication network device is dynamically linked by a physical cross-connect device, the router R6 ΝΕ80Ε and the router R5 ΝΕ5000Ε are directly statically linked, and the router R5 ΝΕ5000Ε and the router R4 ΝΕ40Ε are directly statically linked.

The physical cross-connect device refers to a device that cross-connects the communication network device in the preset large-scale network by using an instruction, and the physical cross-connect device may be one or more than one. Use optical cross-devices such as OSN6800. Step 302: Acquire, in the preset large-scale network, a candidate communication network device set and the candidate that are the same as each node type in the logical topology according to the logical topology and the logical topology constraint rule. a collection of interfaces of a communication network device;

Specifically, the preset large-scale network is processed according to the logical topology and the logical topology constraint rule, and a pre-search is performed in the preset large-scale network to determine a communication network of a node in the logic topology. The type of device is then compared with all communication network devices in the preset large-scale network to determine that the communication network device of the same type as one of the communication network devices in the logical topology is the candidate communication network device, all of the nodes The candidate communication network devices form a set, and similarly, obtain a set of interfaces of the candidate communication network devices, and then trim the communication network devices that are not satisfied in the preset large-scale network, for example, the preset large-scale The communication network equipment that is not used in the network is clipped. For example, the obtained set of candidate communication network devices and the interface set of the candidate communication network device may be:

A=> [R8] to DTC [R8 P2] , to DTD [R8 Pl, P6, P7] , to DTB1 [R8 Pl, P6, P7] , to DTB2 [R8 Pl, P6, P7];

B=> [R3, R5] to DTC [R3 PI, R5 P3] , to DTD [R3 P2, P3, P4, R5 Pl, P2, P4] , to DTA1 [R3 P2, P3, P4, R5 Pl, P2 , P4], to DTA2 [R3 P2, P3, P4, R5 Pl, P2, P4];

C=> [R2, R4] to DTA [R2 P3, R4 P2] , to DTC [R2 PI, R4 PI ];

D=> [T1, T2] to DTA [Tl Pl, P2, T2 Pl, P2] , to DTB [Tl Pl, P2, T2 Pl, P2].

Step 303: Determine, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, a topology equivalence class of the candidate communication network device and a topology of an interface of the candidate communication network device, and the like. Price class

The topology equivalence class includes a topology equivalence class of a physical switch interface and a topology equivalence class of a direct connection port;

The topology equivalence class of the physical switch interface includes: a structure connected to the same physical switch; all interfaces on the same device; an interface of the same interface type; All interfaces on the same sub-board; all interfaces on the same board when there are cross-board constraints; all interfaces on the same sub-card when there are sub-card constraints;

The topology equivalence class of the direct connection port includes: a peer interface on the device and a peer interface on the device, and a peer interface and a peer interface on the device; Interfaces of the same type on the interface of the device that have the same interface type; if there is a cross-frame constraint, the interface with the same interface type on the same interface as the direct connector on the device; If the interface is the same as the one on the same card, the interface is the same as the interface on the same subcard. The device is a direct connection. A device on which an interface of the port resides. The peer device is the device where the other interface of the direct interface is located.

For example, the equivalence class determined in the set of candidate communication network devices corresponding to each node in the logical topology and the equivalence class determined in the interface set of the candidate communication network device are:

A to DTC [R8 P2] , to DTD [R8 PI (P6, P7 equivalent)], to DTB1 [R8 P6 (Pl, P7 equivalent)], to DTB2 [R8 P7 (Pl, P6 equivalent)];

B to DTC [R3 PI, R5 P3] , to DTD [R3 P2 (P3, P4 equivalent), R5 PI (P2, P4 equivalent)], to DTAl [R3 P3 (P2, P4 equivalent), R5 P2 (Pl, P4 equivalent) ] , to DTA2 [R3 P4 (P2, P3 equivalent), R5 P4 (Pl, P2 equivalent)];

C to DTA [R2 P3, R4 P2] , to DTC [R2 PI, R4 PI];

D to DTA [Tl PI (P2 equivalent), T2 PI (P2 equivalent)], to DTB [Tl P2 (PI equivalent), T2 P2 (PI equivalent)].

The PI (P6, P7 equivalent) indicates that the PI interface, the P6 interface, and the P7 interface are equivalent.

Step 304: Select, among the candidate communication network devices that have a topology equivalence class, one of the candidate communication network devices as the first target communication network device, and the candidate communication network device that has the topology equivalence class. In the interface, selecting an interface of one of the candidate communication network devices as an interface of the first target communication network device;

For example, according to [R3, R5] in the topology equivalence class of the candidate communication network device corresponding to the Node B in the logical topology in step 303, the candidate communication network device R3 may be selected as the first target communication. For the network device, the candidate communication network device R5 may also be selected as the first target communication network device. Step 305: Determine whether there is a presence between the first target communication network device corresponding to each node in the logical topology, the interface between the first target communication network device and the first target communication network device. contradiction;

Here, the contradiction may be the same for the first target communication network device determined by the two different nodes in the logical topology.

Step 306: between the first target communication network devices corresponding to each node in the determined logical topology, between the first target communication network device and the interface of the first target communication network device When there is no contradiction, determining that the first target communication network device is the target communication network device, and the interface of the first target communication network device is an interface of the target communication network device;

For example, determining that each of the nodes in the logical topology corresponds to a target communication network device may be:

A=> [R8] to DTD [R8 PI ] , to DTB1 [R8 P6] , to DTB2 [R8 P7]; B=> [R3] to DTC [R3 PI ] , to DTD [R3 P2] , to DTA1 [ R3 P3] , to DTA2 [R3 P4];

C=> [R2] to DTA [R2 P3] , to DTC [R2 PI ];

D=> [T1 ] to DTA [Tl PI ] , to DTB [Tl P2].

It should be noted that, after determining the target communication network device corresponding to each node in the logical topology, each of the target communication network device identifiers is dedicated.

Step 307: between the first target communication network devices corresponding to each node in the determined logical topology, between the first target communication network device and the interface of the first target communication network device When there is a contradiction, reselecting an interface of the first target communication network device or the first target communication network device corresponding to each node in the logical topology;

At this time, after performing step 307, it is necessary to go to step 304 until the determined interface of the first target communication network device and the first target communication network device is the interface of the target communication network device and the target communication network device, and then go Go to step 308. After the equivalence class is divided, it is determined that the target communication network device can reduce the search order. If the interface between the candidate communication network device corresponding to each node in the logical topology and the interface of the candidate communication network device is not subjected to topology equivalence processing, the process of determining the interface between the target communication network device and the target communication network device If the determined first target communication network device corresponding to one of the logical topologies does not meet the requirement, the candidate communication network device corresponding to each node in the logical topology and the candidate communication are required. Retrieving the interface of the network device, re-determining the first target communication network device corresponding to one of the logical topologies; if the candidate communication network device corresponding to each node in the logical topology and the candidate The interface of the communication network device performs topology equivalence processing. When the first target communication network device corresponding to one of the determined logical topologies does not meet the requirement, only the candidate communication network device of the equivalent class is needed at this time. Re-searching with the interface of the candidate communication network device, thereby reducing backtracking search The order.

It should be noted that when there is no topology equivalence class in the set of candidate communication network devices and the topology equivalence class does not exist in the interface set of the candidate communication network device, each node in the logical topology is described as There is only one candidate communication network device in the corresponding candidate communication network device set. Similarly, only one candidate communication network device interface exists in the interface set of the candidate communication network device. At this time, each node in the logical topology The candidate communication network device in the corresponding candidate communication network device set is the target communication network device, and the interface of the candidate communication network device in the interface set of the candidate communication network device is the target communication network device Interface.

Step 308: Establish a link according to the determined interface of the target communication network device and the target communication network device according to a logical topology constraint rule to obtain a target network that satisfies the logical topology and the logical topology constraint rule.

Specifically, after determining the interfaces of the target communication network device and the target communication network device corresponding to each node in the logical topology, each node in the logical topology is performed according to a logical topology constraint rule, Mapping the target communication network device corresponding to each node in the logical topology and the interface of the target communication network device, and generating a link for driving the physical cross-connect device An instruction description table, and then driving the physical cross-connect device according to the link instruction description table, establishing a link between the target communication network device and an interface of the target communication network device, and obtaining the logical topology and logic The target network of the topology constraint rules.

When establishing a link between the target communication network devices, a dynamic link and a static link need to be processed, and for the dynamic link, the physical cross-connect device is established to establish a link according to the link instruction description table, for a static link , you can directly connect to the physical connection.

For example, the target network model and the generic expression are:

DTA R1

toDTBl Gigabi tEthernet l/0/1

toDTB2 Gigabi tEthernet l/0/2

toDTC Pos 2/0/0

DTB R2

toDTAl Gigabi tEthernet2/0/0

toDTA2 Gigabi tEthernet2/0/l

toDTC Gigabi tEtherne4/0/0

DTC R3

toDTA Pos 3/0/0

toDTB Gi gabi tEthernet5/0/0

1 inks

DTA toDTBl , DTB toDTAl dynamic {

DTA toDTBl , physical cross device 1 port

DTB toDTAl, physical cross device 2 ports

}

DTA toDTB2, DTB toDTA2 dynamic {

DTA toDTB2, physical cross device 3 ports

DTB toDTA2, physical cross device 4 ports

} DTA toDTC, DTC t oDTA dynamic {

DTA toDTC, physical cross device 5 ports

DTC toDTA, physical cross device 6 ports

}

DTB t oDTC , DTC toDTB dynamic {

DTB toDTC, physical cross device 7 ports

DTC toDTB, physical cross device 8 ports

}

The dynamic interface drives the physical cross-connect device and opens the corresponding interface, that is, establishes a link. The physical cross-connect device may be one or more than one, and the interface on the same physical cross-connect device may be opened.

In the actual application, the above model is generally expressed according to the above model using a common data format (such as XML format).

Step 309: When the target network is not used, cancel a link between the target communication network device in the target network and an interface of the target communication network device.

Specifically, when the target network is not used, canceling a link between the target communication network device in the target network and an interface of the target communication network device, and identifying the target communication network device as idle, In this way, the recycled communication network equipment can be re-allocated and recycled to make the environment more efficient.

The invention performs environmental dynamic segmentation, construction and recycling, low labor participation cost, and simple network management. In the field of IP networking, compared with current environmental management and application technologies in the industry, after using this technology, environmental management costs It can be reduced by 10%-1%, and the environmental utilization rate can be increased by 20%-40%.

The method for dynamically setting up a network provided by the embodiment of the present invention processes a preset large-scale network according to a logical topology and a logical topology constraint rule, and obtains a candidate communication network device of the same type as each node in the logic topology. And collecting a set of interfaces of the candidate communication network device, and then determining a topology equivalence class of the set of candidate communication network devices and the interface set of the candidate communication network device, and determining the An interface between the target communication network device and the target communication network device corresponding to each node in the logic topology, and the interface between the target communication network device and the target communication network device is linked. Compared with the prior art, the network management is complicated and the environment utilization is low. Compared with the solution provided by the embodiment of the present invention, the large-scale network management is simple and can be recycled. Communication network equipment, resulting in improved environmental utilization.

The embodiment of the present invention provides a device for dynamically setting up a network. The device may be a configuration management server, and may be a topology mapping device. As shown in FIG. 4, the device includes: a receiving unit 401, an obtaining unit 402, and a A determining unit 403, a second determining unit 404, a selecting module 405, a determining module 406, an establishing unit 407, and a canceling unit 408.

The receiving unit 401 receives the input logical topology, the logical topology constraint rule, and the interfaces of different types of communication network devices and different types of communication network devices that constitute the preset large-scale network;

The interfaces of different types of communication network devices and different types of communication network devices in the preset large-scale network are linked by physical cross-connect devices;

The preset large-scale network may be a star-shaped network structure, where the physical cross-connect device refers to a device that cross-connects communication network devices in the preset large-scale network by instructing, the physical cross-connect device It can be one or more than one. Here, an optical cross device such as OSN6800 can also be used.

The obtaining unit 402 is configured to acquire, in the preset large-scale network, a set of candidate communication network devices that are the same as each node type in the logical topology according to the logical topology and the logical topology constraint rule. An interface set of the candidate communication network device;

In the interface set of the candidate communication network device and the candidate communication network device, the first determining unit 403 determines the topology equivalence class of the candidate communication network device and the interface of the candidate communication network device, respectively. Topological equivalence class;

Determining, according to a topology equivalence class of the candidate communication network device and a topology equivalence class of the interface of the candidate communication network device, a second determining unit 404, determining a target communication corresponding to each node in the logical topology An interface between the network device and the target communication network device;

Specifically, the selecting module 405 in the second determining unit 404 is configured to select one of the candidate communication network devices as the first target communication network device for the candidate communication network device having the topology equivalence class, And selecting, by the interface of the candidate communication network device of the topology equivalence class, an interface of one of the candidate communication network devices as an interface of the first target communication network device;

When only one candidate communication network device exists in the set of candidate communication network devices, it is directly determined that it is the target communication network device. Similarly, when there is only one interface of the candidate communication network device in the interface set of the candidate communication network device, Determine which interface is the target communication network device.

a determining module 406, configured to, between the first target communication network devices corresponding to each of the nodes in the determined logical topology, the first target communication network device, and the first target communication network device When there is no conflict between the interfaces, determining that the first target communication network device is the target communication network device, and the interface of the first target communication network device is an interface of the target communication network device;

Here, the contradiction may be the same for the first target communication network device determined by the two different nodes in the logical topology. When there is a contradiction between the first target communication network device corresponding to each node in the determined logical topology, the interface between the first target communication network device and the first target communication network device The selection module 405 is further configured to: reselect an interface of the first target communication network device or the first target communication network device corresponding to each node in the logical topology; and then continue to execute the determining module 406.

After determining the interfaces of the target communication network device and the target communication network device corresponding to each node in the logical topology, the establishing unit 407 is configured according to the determined interface of the target communication network device and the target communication network device. A link is established according to a logical topology constraint rule to obtain a target network that satisfies the logical topology and logical topology constraint rules.

Specifically, after determining the target communication network device corresponding to each node in the logical topology, each node in the logical topology and each node in the logical topology are respectively according to a logical topology constraint rule. And mapping the interface of the corresponding target communication network device and the target communication network device, and generating a link instruction description table for driving the physical cross-connect device, and then driving the physical cross-connect device according to the link instruction description table, establishing the Dynamic linking between target communication network devices to obtain a target network that satisfies the logical topology and logical topology constraint rules.

When the target network is not used, the cancel unit 408 cancels the link between the target communication network device in the target network and the interface of the target communication network device. In this way, the communication network devices in the target network can be re-allocated and recycled to make the environment utilization more efficient.

The device for dynamically setting up the network provided by the embodiment of the present invention obtains, by the acquiring unit, a set of candidate communication network devices and a set of interfaces of the candidate communication network device that are the same as each node type in the logic topology, and the first determining unit Determining a topology equivalence class in the set of candidate communication network devices and the interface set of the candidate communication network device, and second determining unit determining a target communication network device corresponding to each node in the logical topology and the target An interface of the communication network device, wherein the target communication network device is linked by using an establishing unit. Compared with the prior art, the network management is complicated and the environment utilization is low. Compared with the solution provided by the embodiment of the present invention, the large-scale network management is simple and can be recycled. Communication network equipment, resulting in improved environmental utilization. It should be noted that the solution provided by the embodiment of the present invention can be embedded in the automation system as a core module of the 7*24 intelligent automated test system. The system is deployed in an intelligent automated script execution system, and the system built in the dynamic environment is embedded in the LCM (Laboratory Tof Cong igura ion)

Management, Laboratory Configuration Management) In the laboratory management system, through the TICC (Tes t Integrated Control Center) scheduling system and multi-execution cluster technology, the automation script contains requests for logical topology and logical topology constraint rules. The network dynamic allocation system in the LCM can determine the target communication network equipment corresponding to each node in the logical topology, and dynamically build, allocate the environment during execution, and recycle the environment after the execution, thereby improving the environment utilization. The solution provided by the embodiment of the present invention can also embed the method in the laboratory network, dynamically build the network through the software system, and can also be applied in the network simulation field, by providing the operator with a 1: 1 network recurrence, It provides a verification environment for new service deployment. It can also be applied to the operation and maintenance network fault recovery and location system. By constructing a real operation and maintenance network in the laboratory, it provides a basic network for network recovery and location recovery.

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

Claim

A method for dynamically setting up a network, which is characterized by comprising:

Receiving input logical topology, logical topology constraint rules, and interfaces of different types of communication network devices and different types of communication network devices that constitute a preset large-scale network;

Acquiring, in the preset large-scale network, a candidate communication network device set and a candidate communication network device that are the same as each node type in the logical topology according to the logical topology and the logical topology constraint rule Collection of interfaces;

The method for dynamically setting up a networking according to claim 1, wherein the topology equivalence class from the candidate communication network device and the topology equivalence class of the candidate communication network device interface Determining, by the interface, the interface of the target communication network device and the target communication network device corresponding to each node in the logical topology:

And selecting, among the candidate communication network devices that have a topology equivalence class, one of the candidate communication network devices as the first target communication network device, and in the interface of the candidate communication network device having the topology equivalence class, Selecting an interface of one of the candidate communication network devices as an interface of the first target communication network device;

There is no contradiction between the first target communication network device corresponding to each node in the determined logical topology, the interface between the first target communication network device and the first target communication network device Determining that the first target communication network device is the target communication network device, An interface of the first target communication network device is an interface of the target communication network device;

When there is a contradiction between the first target communication network device corresponding to each node in the determined logical topology, the interface between the first target communication network device and the first target communication network device Reselecting an interface of the first target communication network device or the first target communication network device corresponding to each node in the logical topology.

The method for dynamically setting up a networking according to claim 2, wherein the topology equivalence class comprises a topology equivalence class of a physical switch interface and a topology equivalence class of a direct connection port;

The topology equivalence class of the physical switch interface includes: a structure connected to the same physical switch; all interfaces on the same device; an interface of the same interface type; all interfaces in the same frame when there are cross-frame constraints ; all interfaces on the same board when there are cross-board constraints; all interfaces on the same daughter card when there are sub-card constraints;

The method for dynamically setting up a network according to claim 1, wherein the method further comprises: canceling the target communication network device in the target network and the A link between the interfaces of the target communication network device.

5. A device for dynamically setting up a network, which is characterized by comprising:

a receiving unit, configured to receive an input logical topology, a logical topology constraint rule, and an interface of different types of communication network devices and different types of communication network devices that constitute a preset large-scale network;

An acquiring unit, configured to acquire, in the preset large-scale network, a candidate communication network device set and a same as each node type in the logical topology according to the logical topology and the logical topology constraint rule An interface set of candidate communication network devices; a first determining unit, configured to determine, in the interface set of the candidate communication network device and the interface set of the candidate communication network device, an interface of the topology equivalence class of the candidate communication network device and an interface of the candidate communication network device Topological equivalence class;

a establishing unit, configured to establish a link according to the logical topology constraint rule according to the determined interface of the target communication network device and the target communication network device, to obtain a target network that satisfies the logical topology and the logical topology constraint rule .

The apparatus for dynamically setting up a network according to claim 5, wherein the second determining unit comprises:

a selection module, configured to select one of the candidate communication network devices as the first target communication network device for the candidate communication network device having the topology equivalence class, and the candidate communication network having the topology equivalence class In the interface of the device, selecting an interface of one of the candidate communication network devices as an interface of the first target communication network device;

a determining module, configured to, between the first target communication network devices corresponding to each node in the determined logical topology, an interface between the first target communication network device and the first target communication network device When there is no contradiction between the two, the first target communication network device is determined to be the target communication network device, and the interface of the first target communication network device is an interface of the target communication network device; Between the first target communication network device corresponding to each node in the determined logical topology, the interface between the first target communication network device and the interface of the first target communication network device In case of conflict, the interface of the first target communication network device or the first target communication network device corresponding to each node in the logical topology is reselected.

The apparatus for dynamically setting up a network according to claim 6, wherein the topology equivalence class comprises a topology equivalence class of a physical switch interface and a topology equivalence class of a direct connection port;

The topology equivalence class of the physical switch interface includes: a structure connected to the same physical switch; all interfaces on the same device; an interface of the same interface type; All interfaces on the same board; all interfaces on the same board when there are cross-board constraints; all interfaces on the same daughter card when there are sub-card constraints;

The device for dynamically setting up a network according to claim 5, wherein the device further comprises:

And a canceling unit, configured to cancel a link between the target communication network device in the target network and an interface of the target communication network device when the target network is not used.