JP2986835B2 - Communication system and network management information transmission method - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a communication system, and more particularly, to a technique for transmitting network management information.

[Prior Art] Conventional techniques for transmitting network management information between an operation device that performs maintenance, operation, and management of a communication network and a communication facility that is an object of maintenance, operation, and management of the device include, for example,
The technique described in Japanese Patent Application Laid-Open Publication No. Hei 1-105638 is known.

According to this technology, an operation device that controls communication equipment that has transmitted network management information such as failure information transmits the network management information to the communication device.
By transferring the information to another operation device that needs it, the operation device can obtain the network management information of the communication equipment outside the control area.

[Problems to be Solved by the Invention] Since the above-mentioned prior art is a method in which the operation device transfers the network management information to another network management device, the transfer from the communication equipment to the operation device and the transfer between the operation devices are performed. The above two procedures are necessary. Particularly, when there are a large number of operation devices that desire the network management information, the transfer must be repeated, and there is a problem that the processing takes time.

In addition, an operation device that needs network management information of a communication facility outside the jurisdiction needs to set that effect in advance to another operation device for each communication facility, and an operation of transferring the network management information. apparatus,
The processing is complicated, for example, it is necessary to manage the transfer destination for each communication facility.

Further, the fact that the network management information of the communication equipment is transferred via the operation device means that the information is hierarchized, and thus there is a problem that the analysis processing of the information is complicated.

Therefore, an object of the present invention is to provide a network management transmission method and a communication system that can obtain network management information from communication equipment required by an operation device quickly with simple processing.

[Means for Solving the Problems] In order to achieve the above object, the present invention connects a plurality of operation devices and a plurality of communication facilities via a bus-type communication path, and the communication facilities transmit network management information in a broadcast format. There is provided a first network management information transmission method characterized by transmitting.

In this network management information transmission method, it is desirable that the operation device fetches only network management information from communication facilities registered in advance among the transmitted network management information.

The registration of the communication equipment may be registration of a communication equipment to be operated and a communication equipment that sends out network management information related to the communication equipment to be operated.

Further, according to the present invention, in order to achieve the above object, a plurality of operation devices and a plurality of communication facilities are connected by a bus-type communication path, and the operation devices are required to transmit network management information to the communication facilities in advance. A second device for instructing the device to transmit network management information to the operation device to which the network management information specified by the operation device should be transmitted when the network management information is generated.
Network management information transmission system.

In order to achieve the above object, the present invention further provides a communication system having a plurality of operation devices, a plurality of communication facilities, and a bus-type communication path connecting the plurality of operation devices and the plurality of communication facilities. Means for transmitting the communication equipment to the communication path in the form of broadcast network management information, wherein the operating device comprises: storage means for registering the communication equipment for transmitting the required network management information; and Identification means for identifying whether or not the network management information received in step (a) is network management information sent from the communication equipment registered in the storage means; and network management information sent from the registered communication equipment. When the information is information, a first communication system is provided which is provided with means for taking in the information and performing an operation operation according to the content.

In order to achieve the object, the present invention provides a communication system including a plurality of operation devices, a plurality of communication facilities, and a bus-type communication path connecting the plurality of operation devices and the plurality of communication facilities. The apparatus includes means for instructing the communication equipment of an operation apparatus to which network management information is to be transmitted. The communication equipment includes storage means for registering an operation apparatus to which network operation information specified by the operation apparatus is to be transmitted, and network management. Means for transmitting network management information to an operation device registered in the storage means when the information is generated, to provide a second communication system.

[Operation] According to the first network management information transmission method and the first communication system according to the present invention, a plurality of operation devices and a plurality of communication facilities are connected via a bus-type communication path, and the communication facilities are connected to a network. Since the management information is transmitted in a broadcast format, the processing is not complicated, and the operation device can quickly receive all necessary network management information.

Further, the operation apparatus can eliminate unnecessary network management information by taking in only network management information from communication facilities registered in advance among the transmitted network management information.

In addition, the registration of the communication equipment can be facilitated by registering the communication equipment to be operated and the communication equipment that transmits network management information related to the target communication equipment. .

Further, according to the second network management information transmission method and the second communication system according to the present invention, a plurality of operation devices and a plurality of communication facilities are connected by a bus-type communication path, and the operation devices The communication equipment is instructed to transmit the network management information to the operation equipment, and the communication equipment transmits the network management information to the operation equipment to transmit the network management information instructed by the operation equipment when the network management information is generated. The operation device can directly obtain only the necessary network management information from the communication equipment.

Embodiment Hereinafter, a first embodiment of the communication system according to the present invention will be described.

FIG. 1 shows the relationship between the operation device of the communication system and the communication equipment according to the present embodiment.

As shown in the figure, the operation devices 101 to 10n and the communication equipment 201 to 20m are connected by a communication path
They are connected via 111-11n and 211-21m.

The operation devices 101 to 10n transmit the network management information transmitted via the communication channel 1 to the communication channel interfaces 111 to 1.
1n network management information receiving units 141 to 14n, an identification unit that determines whether or not the network management information is from a target communication facility
It has identification units 131 to 13n for determining whether or not the information is network management information related to the target communication equipment.

In addition, the operation devices 101 to 10n are provided with a means for executing a failure process, a man-machine interface means for displaying a result, and the like, but are not directly related to the present embodiment, and are not shown here. I have.

Each of the communication facilities 201 to 20m accommodates a transmission path (not shown), accommodates various communication devices, and transmits network management information to the communication path 1 via the communication path interfaces 211 to 21m.

The communication channel 1 is a bus-type communication channel in this embodiment.

Next, the operation of the communication system according to the present embodiment will be described based on a typical operation example.

In FIG. 1, when a failure occurs on a transmission path (not shown) connecting the communication equipment 201 and 20m and the network management information detected by 201 and 20m at both ends of the transmission path is matched, the failure processing of the operation device 101 Consider a case where a failure that can be recovered by operation occurs.

First, the operation of the communication facilities 201 to 20m in this case will be described.

 FIG. 2 shows a processing procedure of the communication facilities 201 to 20m.

When the failure occurs, the communication equipments 201 and 20m detect this (step 2001) and send network management information to the communication path 1 in a broadcast format (step 200).

In addition, the information transfer technology of the broadcast format is a so-called IS
Point, two,
In addition to the known multipoint logical link, there are various means for realizing the same, but in this embodiment,
In particular, since the means of realization does not matter, description thereof will be omitted.

Next, the operation of the operation devices 101 to 10n will be described.

FIG. 3 shows a processing procedure of the operation devices 101 to 10n.

First, in advance, in the operation device 101, as the target communication equipment to be maintained, operated, and managed by the communication equipment 201, the communication equipment 20m is used as the communication equipment that transmits network management information related to the target communication equipment. On the other hand, the operation device 10n is registered as a communication device that transmits network management information related to the communication device targeted by the communication device 201 in the operation device 10n, and the communication device 20m is a target of maintenance, operation, and management. It is assumed that it is registered as a target communication facility.

The transmitted network management information is received by the operation devices 101 to 10n via the communication path 1 (step 30).
1) For example, the identification unit 121 is identified by a source address of the network management information, that is, an address indicating the communication equipment 201, or the like.
Is determined as network management information from the target communication facility to be maintained / operated / managed (step 302), and is taken into the network management information receiving unit 141 because it is from the target communication facility.

Although the operation device 10n is not the target communication facility, the operation unit 10n determines whether the identification unit 13n is the network management information related to the target communication facility 20m (step 304), and is the network management information related to the target communication facility. Therefore, the network management information receiving unit 14
Capture in n.

Similarly, the network management information sent from the communication equipment 20m is also an identification unit for determining whether or not the network management information is related to the target communication equipment.
At 131, the operation device 101 receives the network management information from the target communication facility.

The information necessary for performing the fault processing is taken into the operation devices 101 and 10n by the above procedure.

By the above operation, each operation device has obtained the network management information necessary for the failure recovery processing.

Accordingly, the operation apparatus 101 executes a failure recovery operation to be performed based on the result of the fetched information (step 306).

As described above, according to the communication system according to the present embodiment, it is not necessary for each communication facility to obtain information required for performing the failure processing by exchanging information with the partner operation device 10n, thereby enabling quick failure processing.

On the other hand, in the communication equipment, since the transmission of the network management information is set to the broadcast format, only the simple processing of transmitting the information once need be performed.

In addition, since the network management information is transmitted from the communication equipment in a broadcast format, other communication equipment will also receive it, but it is identified that this is network management information from other communication equipment, What is necessary is just to discard suitably.

In addition, the operation device registers the target communication equipment for maintenance, operation, and management separately from the communication equipment that sends network management information related to the target communication equipment. This is for the purpose of flexibility and the like, and they may simply be registered as communication equipment for transmitting necessary network management information without distinguishing between them.

Next, a second embodiment of the communication system according to the present invention will be described.

In this embodiment, the communication equipment does not transmit the network management information release in the transmission format, but transmits it so that it is received only by the predetermined operation device. Further, the transmission destination is the operation device of the transmission request source. It can be set from.

FIG. 4 shows the configuration of the communication system according to the second embodiment.

In the communication system according to the present embodiment, in addition to the components of the first embodiment, the operation devices 101 to 10n include a network management information destination instruction for instructing the communication facilities 201 to 20m where to send network management information. Parts 151-15n, communication equipment 201-20m,
Network management information transmission destination instruction receiving units 241 to 24m, network management information transmission destination changing units 251-25m, network management information transmission destination management units 231-223m,
And network management information transmission units 221 to 22m.

Hereinafter, as in the first embodiment, the operation of the communication system according to the present embodiment will be described by taking an example of an operation when a failure occurs on a transmission path (not shown) connecting the communication equipment 201 and 20 m.

 FIG. 5 shows a processing procedure of the communication facilities 201 and 20m.

When the communication equipment 201, 20m detects a failure (step 50
1) The network management information destination management units 231 and 23m determine whether the destination of the network management information is determined (step
502).

If it is determined, the necessary network management information is sequentially transmitted from the network management information transmission units 221 to 22m to the destination (step 503).

Thereby, for example, with respect to the network management information relating to the failure on the transmission path, the information detected by the communication
If it is set to be transmitted to 0n, the network management information can be directly sent to the operation device that needs it without transferring the information via the operation device.

The destination of the network management information is set as follows.

First, an operation device requiring network management information transmits a failure information transfer destination instruction to each communication facility from the failure information transfer destination instruction units 151 to 15n (see step 601 in FIG. 6).

On the other hand, this is sent to the network management information
(Step 701 in FIG. 7), the network management information transmission destination change units 251 to 25m change the contents of the network management information transmission destination management units 231 to 23m according to the contents (step 702 in FIG. 7). .

In each of the above embodiments, the bus communication is omitted as the communication path most suitable for realizing the present invention. However, this is, for example, such that the communication equipment and the operation device are connected by a ring communication path or the like. The communication device and the operation device may be equivalent as viewed from the communication path.

Further, although the failure information has been described as an example of the network management information, transmission of other general network management information can be similarly realized.

[Effects of the Invention] As described above, according to the present invention, a network in which the operation device can quickly obtain the required network management information from the communication equipment by a simple process with a simple process. A management transmission scheme and a communication system can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a communication system according to a first embodiment of the present invention, FIG. 2 is a flowchart showing a processing procedure of communication equipment according to the first embodiment, and FIG. 4 is a flowchart showing a processing procedure of the operation device, FIG. 4 is a block diagram showing a communication system configuration according to the second embodiment, FIG. 5 is a flowchart showing a network management information transmission processing procedure of communication equipment according to the second embodiment, FIG. 6 is a flowchart showing a procedure for transmitting a network management information transfer destination instruction of the operation apparatus according to the second embodiment, and FIG.
6 is a flowchart illustrating a network management information transmission destination change processing procedure of the communication facility according to the embodiment. 1. Communication channel 101 to 10n Operation device 201
2020 m communication equipment, 111-11n communication channel interface, 141-14n network management information receiving unit, 121-12n identification unit, 211-21m communication channel interface, 151-15n
Network management information transmission destination instructing unit, 221-2m ... Network management information transmission unit, 231-23m ... Network management information transmission destination management unit, 241-24m ...
... Network management information transmission destination instruction receiving unit, 251-25 m... Network management information transmission destination change unit.

Claims (2)

(57) [Claims] A plurality of communication facilities accommodating a transmission path; a plurality of operation devices for managing at least two of the plurality of communication facilities; each of the plurality of operation devices and each of the plurality of communication facilities; A communication path that interconnects the plurality of communication facilities, wherein each of the plurality of communication facilities includes: a unit configured to detect a failure that has occurred on a transmission path accommodated by the own device; and Broadcast means for transmitting the broadcast information on the communication path in a broadcast format, wherein each of the plurality of operation devices receives network management information transmitted in a broadcast format on the communication path, and receives the received network management information. First identification means for identifying whether the communication device is from a communication facility managed by the own device or not, and taking in if the communication device is from a communication facility managed by the own device Identifies whether the received network management information is from another communication facility related to the communication facility, which accommodates the same transmission path as the communication facility managed by the own apparatus, and manages the own apparatus. A second identification means for taking in the case of being from another communication equipment related to the communication equipment, and a failure recovery according to the contents according to the network management information taken in by the first and second identification means. Means for performing an operation operation. 2. A plurality of communication facilities accommodating a transmission path, a plurality of operation devices for managing at least two of the plurality of communication facilities, each of the plurality of operation devices and each of the plurality of communication facilities, A communication path having a communication path interconnecting the plurality of communication facilities, a network management information transmission method for transmitting network management information transmitted from any of the plurality of communication facilities to a desired operation device, Each of the plurality of communication facilities, upon detecting a failure that has occurred on the transmission path accommodated by the own device, sends out information on the detected failure as network management information on the communication path in a broadcast format, and each of the plurality of operation devices Whether the network management information transmitted in a broadcast format on the communication path is from communication equipment managed by the own device, and Identify whether or not it is from another communication facility related to the communication facility that contains the same transmission path as the communication facility to be managed, and if it is from the communication facility managed by the own device, or if the own device is Network management information characterized in that if it is from another communication facility related to the communication facility to be managed, it is fetched and, according to the fetched network management information, a fault recovery operation operation corresponding to the content is performed. Transmission method.