KR102032876B1 - Integrated transport network management system and method therefor - Google Patents

Abstract

The present invention relates to an integrated delivery network management system and method for providing network services between a plurality of local delivery networks, and may include an integrated delivery network management device and a local delivery network management device, which are included in each local delivery network to control them. In order to integrate the delivery network network service between two or more nodes to provide as a network service, a node belonging to another delivery network is registered as a virtual node, and the link connection with the corresponding node is managed so that end-to-end or multiple-to-multiple, etc. An object of the present invention is to provide an apparatus and method for providing network services between different transport network management domains.

Description

Integrated transport network management system and method therefor}

The present invention relates to an integrated delivery network management system and method for providing network services between a plurality of local delivery networks, and more particularly, to providing a delivery network network service between two or more external domain nodes connected to and controlled by each local delivery network management device. To this end, the present invention relates to an integrated transport network management system and a method of managing the same, which enable a service between different transport network management domains such as end-to-end or multiple-to-multiple.

In the conventional IP network management, since the services provided by the network need to be connection-oriented very low, the functions provided by the network management are sufficient to configure and monitor individual nodes.

However, unlike the IP network management, the transport network management must provide connection-oriented services, and there is a necessity to perform complicated tasks such as path calculation and configuration, monitoring, and switching to provide such connection-oriented services.

In addition, network management in the transport network can provide services using nodes in the network that can be directly controlled, and in order to calculate the paths in the network required to provide such services, it is necessary to specify the node and port to which the service is applied. Will be done.

However, in order to provide network services between the current transport network management domains, the network management systems of both transport network domains need to know the exact configuration of nodes and links for the routing connection between domains. Because it is not terminated, there is a need to add a new type of function that is different from the path calculation function existing in transport network management.

The present invention calculates the entire service path in the integrated delivery network management device by integrated management of each local delivery network to provide users with network services between domains that are not possible in the conventional delivery network management system, and to the local delivery network management device Control the nodes by forwarding, or the integrated delivery network management device delivers the divided service including the constraints between each local delivery network connection to each local delivery network management device, and the external domain included in the local delivery network management device in the local delivery network management device. It is an object of the present invention to provide an integrated delivery network management system and a management method for determining a route (including end-to-end, via-to-via) assigned to a node and controlling the node accordingly.

According to an embodiment of the present invention, the integrated delivery network management apparatus includes an integrated network service manager configured to collect network environment information from at least one connected local delivery network management apparatus; The network service path including the node setting information of the local delivery network is determined based on the collected network environment information and the network service information requested by the user, and the network service request information generated using the determined network service path is read. An integrated network service request information generation unit for transmitting to at least one local delivery network management device; And at least one included in an integrated delivery network corresponding to the network service request information by using the integrated topology information and the regional topology information received from the at least one local delivery network management device. It may include an integrated topology management unit constituting a unified network topology consisting of a connection between the nodes of.

According to an embodiment of the present invention, the integrated network service request information generation unit may generate network service request information based only on the collected network environment information without determining the network service path.

According to an embodiment of the present invention, the integrated network service request information generating unit may provide a network service by providing constraints according to connection conditions between at least one local delivery network in order to provide the network service requested by the user. By dividing, the integrated network service request information for each local delivery network can be generated according to the divided network service, and transmitted to the local delivery network delivery device.

According to an embodiment of the present invention, the integrated network service request information generation unit determines a working path and a protection path including at least one node connected to each local delivery network management device according to the divided network service, and thus the working path. And the integrated network service request information including information on a protection path.

According to an embodiment of the present invention, a local delivery network management apparatus includes a local network service manager configured to determine a requested network service based on received network service request information; An external domain manager for collecting, storing, and updating information on at least one connected external domain node and link; A local route determining unit configured to determine a local route in which at least one node is interconnected based on information on the at least one external domain node and a link so as to provide the determined network service; And a local topology management unit constituting a regional network topology consisting of a connection between at least one external domain node included in the regional path.

According to an embodiment of the present invention, when receiving the network service request information generated by using the network service path, the local path determining unit comprises at least one node connected to each other according to the network service request information. Can be determined.

According to an embodiment of the present invention, the integrated delivery network management system determines a network service path based on network environment information collected from at least one connected local delivery network management device and information of a network service requested by a user, and determines the determined network service. At least one external domain included in each local delivery network by using the network topology request information generated by using a route to the at least one local delivery network management device, and using the regional topology information received from the local delivery network management device. An integrated delivery network management device for forming an integrated network topology consisting of connections between nodes; And at least one external domain node to determine the requested network service based on the received network service request information, collect information on at least one connected external domain node and link, and provide the determined network service. A region for determining a regional route formed by interconnection, forming a regional network topology consisting of a connection between at least one external domain node included in the regional route, and generating regional topology information on the configured regional network topology It may include a network management device.

According to an embodiment of the present invention, the integrated delivery network management apparatus may include: an integrated network service manager configured to collect network environment information from at least one connected local delivery network management apparatus; Determine a network service path including node setting information of a local delivery network on the basis of the collected network environment information and network service information requested by the user, and display the network service request information generated using the determined network service path; Integrated network service request information generation unit for transmitting to one local network management device; And at least one included in an integrated delivery network corresponding to the network service request information by using the integrated topology information and the regional topology information received from the at least one local delivery network management device. It may include an integrated topology management unit constituting a unified network topology consisting of a connection between the nodes of.

According to an embodiment of the present invention, the integrated network service request information generation unit may generate network service request information based only on the collected network environment information without determining the network service path.

According to an embodiment of the present invention, the integrated network service request information generating unit may provide a network service by providing constraints according to connection conditions between at least one local delivery network in order to provide the network service requested by the user. By dividing, the integrated network service request information for each local delivery network can be generated according to the divided network service, and transmitted to the local delivery network delivery device.

According to an embodiment of the present invention, the integrated network service request information generation unit determines a working path and a protection path including at least one node connected to each local delivery network management device according to the divided network service, and thus the working path. And the integrated network service request information including information on a protection path.

According to an embodiment of the present invention, the apparatus for managing a local delivery network includes: a local network service manager configured to determine a requested network service based on received network service request information; An external domain manager for collecting, storing, and updating information on at least one connected external domain node and link; A local route determining unit configured to determine a local route in which at least one node is interconnected based on information on the at least one external domain node and a link so as to provide the determined network service; And a local topology manager configured to configure a regional network topology consisting of a connection between at least one external domain node included in the regional route, and to generate regional topology information on the configured regional network topology.

According to an embodiment of the present invention, when receiving the network service request information generated by using the network service path, the local path determining unit comprises at least one node connected to each other according to the network service request information. Can be determined.

According to an embodiment of the present invention, the integrated delivery network management method determines a network service path based on network environment information collected from at least one connected local area network management device and information of a network service requested by a user, and determines the determined network service. Transmitting network service request information generated using a path to the at least one local delivery network management device; Based on the received network service request information, the requested network service is determined, and information on at least one connected external domain node and a link is collected so that at least one external domain node can provide the determined network service. Determining a connected regional route, constructing a regional network topology consisting of a connection between at least one external domain node included in the regional route, and generating regional topology information on the configured regional network topology; And configuring a unified network topology consisting of a connection between at least one external domain node included in each local delivery network using the regional topology information.

According to an embodiment of the present disclosure, the transmitting to the local delivery network management apparatus may include collecting network environment information from at least one connected local delivery network management apparatus; Determining a network service path including node setting information of a local delivery network based on the collected network environment information and network service information requested by a user; And transmitting the network service request information generated by using the determined network service path to the at least one local delivery network management device.

According to an embodiment of the present disclosure, the determining of the network service path may generate network service request information based only on the collected network environment information without determining the network service path.

According to an embodiment of the present invention, in the determining of the network service path, the network service request information may be a network service by providing a constraint according to a connection situation between at least one local delivery network in order to provide a network service requested by a user. By dividing, the integrated network service request information for each local delivery network can be generated according to the divided network service, and transmitted to the local delivery network delivery device.

According to an embodiment of the present disclosure, the determining of the network service path may include: determining a working path and a protection path including at least one node connected to each local delivery network management device according to the divided network service. The integrated network service request information including the path and the protection path information may be generated.

According to an embodiment of the present invention, the generating of the topology information may include: determining the requested network service based on the received network service request information; Collecting, storing, and updating information about at least one connected external domain node and link; Determining a local path in which at least one node is interconnected based on information on the at least one external domain node and a link so as to provide the determined network service; And configuring a regional network topology consisting of a connection between at least one external domain node included in the regional path, and generating regional topology information on the configured regional network topology.

According to an embodiment of the present disclosure, in the determining of the local path, when receiving network service request information generated using a network service path, at least one node is connected to each other according to the network service request information. The local route taken can be established.

According to the present invention, in order to integrate and provide a delivery network network service between two or more nodes included in each local delivery network and provide it as one network service, a node belonging to another delivery network is registered as a virtual node, and a link with the corresponding node is provided. By managing connections, it is possible to provide network services between different transport network management domains, such as end-to-end or multiple-to-multiple.

1 is a block diagram of an integrated delivery network management system according to an embodiment of the present invention.
FIG. 2 is a detailed configuration diagram of the integrated delivery network management apparatus shown in FIG. 1.
3 is a detailed block diagram of the apparatus for managing a local delivery network shown in FIG. 1.
4 is a diagram illustrating an external domain node and a link connected to a first local area network management device and a first local area network management device according to an embodiment of the present invention.
5 is a diagram illustrating an external domain node and a link connected to a second local area network management device and a second local area network management device according to an embodiment of the present invention.
6 is a diagram illustrating a working path and a protection path in an integrated network management system according to an embodiment of the present invention.
7 is a flowchart illustrating an integrated delivery network management method according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, except to exclude other components unless specifically stated otherwise.

Hereinafter, an integrated delivery network management system and method thereof according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram of an integrated delivery network management system according to an embodiment of the present invention.

Referring to FIG. 1, the integrated delivery network management system 1000 may include an integrated delivery network management device 100 and at least one local delivery network management device 200.

The integrated network management device 100 determines a network service path based on network environment information collected from at least one connected local network management device and network service information requested by a user, and generates the network service path using the determined network service path. One network service request information may be transmitted to at least one local delivery network management apparatus.

In addition, by using regional topology information received from the regional delivery network management device, it is possible to configure an integrated network topology consisting of connections between at least one external domain node included in each regional delivery network.

The integrated network management apparatus 100 will be described in more detail with reference to FIG. 2.

The local delivery network management apparatus 200 determines the requested network service based on the received network service request information, collects information on at least one external domain node and a link connected thereto, and provides the determined network service. It is possible to determine the local path made by interconnecting one external domain node.

In addition, it is possible to configure a regional network topology consisting of connections between at least one external domain node included in the regional path, and generate regional topology information on the configured regional network topology.

Referring to Figure 1 shows a connection relationship of the integrated delivery network management system according to an embodiment of the present invention.

Here, the integrated delivery network management device 100 is connected to at least one local delivery network management device 200 by protocol.

According to an embodiment of the present invention, the local delivery network management apparatus 200 may control nodes in each delivery network domain.

Referring to FIG. 1, a first local area network management device may control nodes A, B, C, and D, and a second local area network management device may control E, F, and G nodes.

In FIG. 1, at least one node included in a local transport network and a protocol connection between a local transport network management apparatus 200 are dotted lines, and a link connection within a transport network and another domain is in-band connected in a solid line. Is shown.

According to an embodiment of the present invention, the local transport network management apparatus 200 and at least one node may be connected by a protocol, and the link connection in the transport network and the other domain may be connected in-band through which data traffic is transmitted and received. band).

2 is a detailed configuration diagram of the integrated delivery network management apparatus 100 shown in FIG. 1.

Referring to FIG. 2, the integrated delivery network management apparatus 100 includes an integrated network service manager 110 and an integrated network service request information generator 120. The integrated topology management unit 130 may be included.

The integrated network service manager 110 may collect network environment information from at least one connected local area network management apparatus 200.

Here, the network environment information may mean information including nodes and links connected to the local delivery network management apparatus 200 and the local delivery network management apparatus 200.

The integrated network service request information generation unit 120 determines the network service path including node setting information of the local delivery network based on the collected network environment information and the network service information requested by the user, and uses the determined network service path. The generated network service request information may be transmitted to the at least one local delivery network management device.

According to an embodiment of the present invention, the integrated network service request information generation unit 120 may determine a network service path including node setting information of a local delivery network based on the collected network environment information.

In this case, according to an embodiment of the present invention, in order to determine the network service path, when a request for providing a service by switching a network service between a specific node from one to one is provided to the integrated network service manager 110, the integrated topology By using the integrated topology information stored in the ridge management unit 130, a method of determining by calculating a path corresponding to the requested service may be used.

On the other hand, according to an embodiment of the present invention, the network service request information generation unit 120 may generate network service request information based only on the collected network environment information without the process of determining the network service path.

Additionally, in the above embodiment, the integrated network service request information generation unit 120 divides the network service by giving constraints according to connection conditions between at least one local delivery network in order to provide a network service corresponding to a preset setting. Each integrated network service request information for the network service can be generated and transmitted to the local delivery network delivery device.

In an embodiment of the present invention, the integrated network service request information generating unit 120 determines a working path and a protection path including at least one node connected to each local delivery network management device according to the divided network service. The integrated network service request information including the path and the protection path may be generated.

The integrated topology management unit 130 stores and updates the integrated topology information, and uses the regional topology information and the integrated topology information received from at least one regional delivery network management device to connect to the integrated delivery network corresponding to the network service request information. It is possible to configure an integrated network topology consisting of connections between at least one node included.

3 is a detailed block diagram of the local delivery network management apparatus 200 shown in FIG.

Referring to FIG. 3, the regional delivery network management apparatus 200 includes a regional network service management unit 210, an external domain management unit 220, a regional route determination unit 230, and a regional topology management unit.

240 may be included.

The local network service manager 210 may determine the requested network service based on the received network service request information.

According to an embodiment of the present invention, the requested network service may be determined through information on the divided network service request included in the network service request information.

The external domain manager 220 may collect, store, and update information on at least one connected external domain node and link.

According to an embodiment of the present invention, the external domain manager 220 may collect information on an external domain node and / or a link necessary for determining a local path.

In the above embodiment, the method of collecting information is not limited to a specific method, and both automatic methods using protocols and manual methods through direct input are possible without limitation, and based on information about collected external domain nodes and links, The topology information may be added or stored in the topology manager 240.

The local path determining unit 230 may determine a local path in which at least one node is interconnected based on information on at least one external domain node and a link so as to provide a confirmed network service.

According to an embodiment of the present invention, the regional delivery network management apparatus 200 provides a network service determined according to the integrated network service request information including information on a working path and a protection path included in the received integrated network service request information. To this end, it is possible to determine a regional route in which at least one node is interconnected.

According to an embodiment of the present invention, to support a definite network service service, both end-domains are provided when end-to-transit and transit-to-transit service paths are serviced through three or more domains. It is possible to further support the function to determine the route of the route in the intermediate transit domain except for).

Finally, each regional delivery network management apparatus 200 may set up each regional delivery network according to the regional route derived from the regional route determining unit 230 to provide the requested network service.

The local topology manager 240 may configure a regional network topology consisting of a connection between at least one external domain node included in the regional path, and generate regional topology information on the configured regional network topology.

According to an embodiment of the present invention, the regional network topology may be configured by using topology information and / or regional paths stored in the regional topology manager 240.

According to an embodiment of the present invention, if the local path determining unit 230 receives the network service request information generated by using the network service path from the integrated delivery network management device, at least one node using the network service request information. It is possible to determine local routes made by interconnecting.

4 is a diagram illustrating an external domain node and a link connected to a first local delivery network management device and a first local delivery network management device according to an embodiment of the present invention, and FIG. 5 is a second area according to an embodiment of the present invention. A diagram illustrating external domain nodes and links connected to a transport network management device and a second local area network management device.

According to an embodiment of the present invention, the integrated delivery network management system 1000 determines a network service path in the integrated delivery network management apparatus 100 and transfers it to each local delivery network management apparatus 200 to control nodes to manage the delivery network. (First embodiment), the integrated delivery network management device 100 delivers the divided network service including the constraints in the connection relationship of each local delivery network to the lower delivery network management device 200, and the local delivery network management device ( In step 200), a method of managing a delivery network by controlling a node by determining a local route (including end-to-end and via-via) can be managed in two ways.

According to the first embodiment of the present invention, the integrated delivery network can be managed by the following method.

According to the first embodiment of the present invention, the integrated delivery network management system 1000 may be constructed by connecting at least one local delivery network management apparatus 200 to the integrated delivery network management apparatus 100 of a higher layer.

In this case, the integrated delivery network management apparatus 100 may determine network service paths for providing network services by collecting network environment information of each local delivery network management apparatus 200.

The integrated delivery network management apparatus 100 may transmit the node setting information of the node connected to the local delivery network included in the determined network service path, to each local delivery network management apparatus 200.

In the first embodiment, since the network service path for providing the network service requested by the integrated delivery network management apparatus 100 is determined in advance, the regional delivery network management apparatus 200 merely sets up and manages a node connected to the local delivery network. It can only play the role of performing.

Referring to FIG. 4, in an embodiment of providing end-to-end service, the regional topology manager 240 of the first regional delivery network management apparatus 201 collects information on at least one external domain node and link, A, B, C, and D nodes connected to the local delivery network management device 201 and links connecting the respective nodes may configure a local delivery network.

Here, the information on the external domain node and the link necessary for determining the network service path may be collected through the external domain manager 220 of the local delivery network management apparatus, and a topology configuration may be added based on the collected information.

Referring to FIG. 4, when E and F, which are virtual nodes, are registered in the first embodiment of the present invention, links between D-E, C-E, and C-F nodes may also be registered.

In addition, the information of the external domain manager 220 and the local topology manager 240 of the first local delivery network management device 201 may be transferred to the integrated delivery network management device 100.

Referring to FIG. 5, in the first embodiment of the present invention, information of the external domain manager 220 and the local topology manager 240 of the second delivery network management device 202 may be transmitted to the integrated delivery network management device 100. Can be.

According to the first embodiment, the integrated topology management unit 130 of the integrated delivery network management apparatus 100 may configure the topology of the integrated delivery network using information received from each local delivery network management apparatus as shown in FIG. 1.

According to the first embodiment of the present invention, a request for providing a service by switching a delivery network service between node A and node G from node 1 to 1 is input to the integrated network service manager 110 of the integrated network management apparatus 100. The network service path corresponding to the requested service may be determined using the previously stored topology information.

6 is a diagram illustrating a working path and a protection path in an integrated network management system according to an embodiment of the present invention.

Referring to FIG. 6, the node for each domain connected to the local delivery network management apparatus 200 according to the network service path is determined by determining a network service path including a working path and a protection path corresponding to the requested service according to the first embodiment. The setting information may be transmitted to each local delivery network management apparatus 200.

According to the first embodiment, the integrated delivery network management system may deliver the requested network service by dividing the service content according to the lower delivery network situation.

In addition, in order to provide the requested network service, the connection part between the lower transport networks may be given and divided, and a divided network service request may be made to each lower transport network management system.

Accordingly, the lower transport network management system can calculate a path within a domain with constraints and configure nodes of the lower transport network corresponding to the path.

According to the second embodiment of the present invention, as in the first embodiment, the integrated topology management unit 130 of the integrated delivery network management apparatus 100 uses the information received from each local delivery network management apparatus 200, Topology can be configured.

In this case, when a user requests to transfer a network service between node A and node G in a one-to-one manner and provides a service to the integrated network service manager 110, the network service divided by domain using prestored topology information is provided. A request may be made to each local delivery network management apparatus 200.

According to the second embodiment, as shown in FIG. 4, the first local area network management apparatus 201 has a working path with AE (including port designation connected with D) and a protection path with AF (C). It is possible to divide the service required by the user, including the port designation) to the local delivery network management apparatus 200.

 Similarly, referring to FIG. 5, the second local delivery network management apparatus 202 may request a working path by dividing a network service into a DG and a protection path by CG. The content (label, timeslot, etc.) may be delivered to the second local delivery network management device 202 when the service is requested.

According to the second embodiment of the present invention, each local delivery network management apparatus 200 may be configured to provide at least one node to provide a determined network service based on network service request information received from the integrated delivery network management apparatus 100. Confirmation of the regional route formed by interconnection may be performed by the regional route determination unit 230.

According to the second embodiment of the present invention, the local route calculated and derived by the first local delivery network management apparatus 201 is shown in FIG. 4, and the route calculated and derived by the second local delivery network management apparatus 202 is illustrated in FIG. 5. Can be configured.

According to the second embodiment of the present invention, each local delivery network management apparatus 200 determines the local route according to the second embodiment of the present invention, while the conventional local delivery network management apparatus supports only end-to-end route calculation. The determinator 230 essentially includes, thereby terminating-terminating. Routes can also be calculated in the form of end-to-end and transit-through, so local routes can be established.

According to the second embodiment of the present invention, in order to support the additionally requested network service in the integrated network management apparatus 100, end-to-end (AE, AF or GD, GC), transit-through (transit to transit: Additional support for computing paths (required for route computation requests in intermediate transit domains except for both end-domains) when service paths are serviced across three or more domains.

According to the second embodiment, each local delivery network management apparatus 200 may finally set up each local delivery network according to the route determined by the local route determining unit 230 to provide the requested network service.

7 is a flowchart illustrating an integrated delivery network management method according to an embodiment of the present invention.

The network environment information is collected from the local transport network management apparatus (710).

Here, the network environment information may mean information including nodes and links connected to the local delivery network management apparatus 200 and the local delivery network management apparatus 200.

In operation 720, it is determined whether a network service path is determined based on the network environment information.

According to an embodiment of the present invention, according to whether the network service path is determined, the integrated network management device 100 determines the network service path and delivers it to each local delivery network management device 200 to control the node by controlling the delivery network. In the method (first embodiment), the integrated delivery network management device 100 delivers the divided network service including the constraints in the connection relationship of each local delivery network to the lower delivery network management device 200, and the local delivery network management device. In 200, a method of managing a delivery network by controlling a node by determining a local route (including end-through, via-via) can be managed through two methods.

When the network service path is determined, network service request information generated using the determined network service path is transmitted (730).

According to the first embodiment of the present invention, the network service path including the node setting information of the local delivery network is determined based on the collected network environment information and the network service information requested by the user, and is generated using the determined network service path. The network service request information may be transmitted to at least one local delivery network management device.

In this case, according to an embodiment of the present invention, in order to determine the network service path, when a request for providing a service by switching a network service between a specific node from one to one is provided to the integrated network service manager 110, the integrated topology By using the integrated topology information stored in the ridge management unit 130, a method of determining by calculating a path corresponding to the requested service may be used.

If the network service path is not determined, network service request information is generated based only on the collected network environment information (740).

According to the second embodiment of the present invention, the network service request information generation unit 120 may generate network service request information based only on the collected network environment information without the process of determining the network service path.

According to an embodiment of the present invention, in order to provide a network service corresponding to a user's request, the network service is divided according to a connection condition between at least one local delivery network, and each network is divided. The service request information can be generated.

The requested network service is determined based on the network service request information (750).

According to the first embodiment of the present invention, the requested network service may be determined based on the received network service request information.

In addition, according to the first embodiment, the requested network service may be determined through information on the divided network service request included in the network service request information.

Information about at least one connected external domain node and link is collected, stored, and updated (760).

According to the first embodiment of the present invention, information about at least one connected external domain node and link may be collected, stored, and updated.

According to the first embodiment of the present invention, the external domain manager 220 may collect information on an external domain node and / or a link necessary for determining a local route.

In the first embodiment, the method of collecting information is not limited to a specific method, and either an automatic method using a protocol or a manual method through direct input is possible without limitation, and based on the information on the collected external domain nodes and links. The topology information may be added or stored in the local topology manager 240.

If network service request information generated using the determined network service path is received, the local path in which at least one node is interconnected is determined using the network service request information (770).

According to the first embodiment of the present invention, a local path in which at least one node is connected to each other may be determined based on information on the at least one external domain node and a link so as to provide a confirmed network service.

When receiving the network service request information generated based only on the collected network environment information, the local path in which at least one node is connected to each other so as to provide the determined network service is determined (780).

According to the second embodiment of the present invention, if network service request information generated using a network service path is received, the network service may be determined using the network service request information, and the network service may be provided. At least one node may determine a local path formed by interconnecting each other.

According to a second embodiment of the present invention, an area in which at least one node is interconnected to provide a network service determined based on information on a working path and a protection path included in the received integrated network service request information The route can be determined.

According to the second embodiment of the present invention, to support a definite network service service, both end-to-end and transit-to-transit service paths are serviced through three or more domains. It is possible to additionally support the function of determining the route of the route in the intermediate transit domain except for the domain.

A local network topology consisting of connections between at least one external domain node included in the regional path is configured (790).

According to an embodiment of the present invention, the regional network topology may be configured by using topology information and / or regional paths stored in the regional topology manager 240.

According to an embodiment of the present invention, if the local path determining unit 230 receives the network service request information generated by using the network service path from the integrated delivery network management device, at least one node using the network service request information. It is possible to determine local routes made by interconnecting.

The integrated network topology corresponding to the network service request information is configured using the received regional topology information (800).

According to an embodiment of the present invention, an integrated network topology consisting of a connection between at least one node included in each local delivery network corresponding to network service request information by using the regional topology information received from at least one local delivery network management device. Can be configured.

Embodiments of the present invention are not implemented only by the above-described apparatus and / or method, but the embodiments of the present invention have been described in detail above, but the scope of the present invention is not limited thereto, and the following claims are made. Various modifications and improvements of those skilled in the art using the basic concept of the present invention as defined in the scope of the present invention.

100: integrated delivery network management device 110: integrated network service management unit
120: integrated network service request information generation unit
130: integrated topology management
200: integrated delivery network management device 210: regional network service management unit
220: external domain management unit 230: regional path determination unit
240: local topology management unit 1000: integrated delivery network management system

Claims (10)

An integrated network service manager configured to collect network environment information from at least one local delivery network management device;
The network service path including the node setting information of the local delivery network is determined based on the collected network environment information and the network service information requested by the user, and the network service request information generated using the determined network service path is read. An integrated network service request information generation unit for transmitting to at least one local delivery network management device; And
Storing and updating integrated topology information and connecting at least one node included in the integrated delivery network corresponding to the network service request information by using the regional topology information received from the at least one local delivery network management device and the integrated topology information. Integrated delivery network management device comprising an integrated topology management unit constituting an integrated network topology consisting of. The method according to claim 1,
The integrated network service request information generation unit,
And generating network service request information based only on the collected network environment information without determining the network service path. The method according to claim 1,
The integrated network service request information generation unit,
Partition network services based on constraints according to connection conditions between at least one local delivery network, generate integrated network service request information for each local delivery network according to the divided network services, and generate the integrated network service request information. Sending a network to a local delivery network delivery device. The method according to claim 3,
The integrated network service request information generation unit,
The integration including the information about the working path and the protection path by determining a working path and a protection path including at least one node connected to each local transport network management device according to the divided network service. Integrated delivery network management device for generating network service request information. A local network service manager to determine the requested network service based on the received network service request information;
An external domain manager for collecting, storing, and updating information on at least one external domain node and link;
A local route determining unit configured to determine a local route formed by interconnecting at least one node based on information on the at least one external domain node and a link; And
And a local topology manager configured to configure a local network topology consisting of connections between at least one external domain node included in the local path. The method according to claim 5,
The area route determination unit,
And receiving the network service request information generated by using the network service path, and determining a local path in which at least one node is interconnected according to the network service request information. Collecting network environment information from at least one local area network management device;
Determine a network service path including node setting information of a local delivery network on the basis of the collected network environment information and network service information requested by the user, and store the network service request information generated by using the determined network service path; Transmitting to one local delivery network management device; And
Storing and updating integrated topology information and connecting at least one node included in the integrated delivery network corresponding to the network service request information by using the regional topology information received from the at least one local delivery network management device and the integrated topology information. Comprising the step of configuring the integrated network topology, integrated delivery network management method. The method according to claim 7,
The step of transmitting the generated network service request information to the at least one local delivery network management device,
And generating network service request information based only on the collected network environment information without determining the network service path. The method according to claim 7,
The step of transmitting the generated network service request information to the at least one local delivery network management device,
Partition network services based on constraints according to connection conditions between at least one local delivery network, generate integrated network service request information for each local delivery network according to the divided network services, and generate the integrated network service request information. Transmitting to the local delivery network delivery device. The method according to claim 9,
The step of transmitting the generated integrated network service request information to the local delivery network delivery device,
The integration including the information about the working path and the protection path by determining a working path and a protection path including at least one node connected to each local transport network management device according to the divided network service. Generating network service request information.

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