CN116155438A

CN116155438A - Optical multiplexing segment creation method and device, network management system and box type wavelength division device

Info

Publication number: CN116155438A
Application number: CN202111394037.3A
Authority: CN
Inventors: 胡骞; 娄小伟; 霍晓莉
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2023-05-23
Also published as: WO2023093064A1

Abstract

The present disclosure relates to an optical multiplexing segment creation method and apparatus, a network management system, and a box-type wavelength division device. The optical multiplexing segment creation method comprises the following steps: selecting a path board card and port resources of a current network manager to automatically create an optical multiplexing section, wherein the current network element comprises a terminal station and optical station equipment; and allowing the board card resources to be scheduled across the network elements under the condition that the board card on the current network element cannot meet the resource requirements. The method and the device can automatically select the along-way board card and port resources including the terminal station and the optical station equipment to automatically create the optical multiplexing section; the method and the device can realize the scheduling of the cross-network element board card resources.

Description

Optical multiplexing segment creation method and device, network management system and box type wavelength division device

Technical Field

The present disclosure relates to the field of communication networks, and in particular, to a method and apparatus for creating an optical multiplexing segment, a network management system, and a box-type wavelength division device.

Background

The related art traditional wavelength division is controlled by independent manufacturers, and is generally established by board-by-board configuration of EMS (electronic Manufacturing Services, electronic manufacturing service) of each manufacturer, or established by a routing method when a single-station network element can meet the board resource requirements.

For a large bandwidth, point-to-point DCI (Data Center Inter-connect) scenario, conventional wavelength division is difficult to be applied due to a plurality of problems such as size, energy consumption, heat dissipation, cost, and sealing. The open decoupled box-type wavelength division device can better meet DCI scenes.

Disclosure of Invention

The inventors found through research that: DCI scene generally has the characteristics of urgent service demand, quick capacity expansion, quick speed increase and the like, the configuration management of a box type wavelength division system in the related technology has long manual opening time if OMS is configured by adopting a single station method, and the routing method has the problem that a part of manufacturers possibly need to schedule board card resources across network elements due to the difference of the size and the board card integration level, so that automatic OMS (Optical Multiplex Section, optical multiplexing segment) creation is difficult to realize for multi-manufacturer box type wavelength division equipment.

In view of at least one of the above technical problems, the present disclosure provides a method and apparatus for creating an optical multiplexing segment, a network management system, and a box-type wavelength division device, which can automatically select a board along the way, including an end station and an optical station device, and port resources, and automatically create the optical multiplexing segment.

According to one aspect of the present disclosure, there is provided an optical multiplexing segment creation method including:

Selecting a path board card and port resources of a current network manager to automatically create an optical multiplexing section, wherein the current network element comprises a terminal station and optical station equipment;

and allowing the board card resources to be scheduled across the network elements under the condition that the board card on the current network element cannot meet the resource requirements.

In some embodiments of the present disclosure, the optical multiplexing segment creation method further includes:

according to different board card integration levels of the box type wavelength division device, at least one of the following four optical amplifier board card types is supported: a board card integrating a power amplifier and a pre-amplifier, a board card only containing a power amplifier, a board card only containing a pre-amplifier, and an optical line amplifier board card containing a bidirectional erbium-doped fiber amplifier.

In some embodiments of the present disclosure, the selecting the on-way board card and the port resource of the current network manager, and performing automatic creation of the optical multiplexing segment includes:

and selecting the on-way board card and port resources of the current network manager for automatically creating the optical multiplexing section aiming at scenes of different spans and different protection requirements, wherein the different spans comprise single spans and multiple spans, and the different protection requirements comprise the protection requirements and the non-protection requirements of the optical multiplexing section.

In some embodiments of the present disclosure, for a single span scenario, the selecting the on-way board and the port resource of the current network manager, and performing automatic creation of the optical multiplexing segment includes:

Selecting a wave combining port of the first terminal station and the second terminal station;

judging whether to create optical multiplexing section protection;

under the condition of creating optical multiplexing section protection, searching whether the optical amplifier board card resources meet a first constraint condition in the current network elements of the first terminal station and the second terminal station, and searching whether the optical line protection equipment board card resources meet a second constraint condition in the current network elements of the first terminal station and the second terminal station;

and under the condition that the optical amplifier board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the first constraint condition and the optical line protection equipment board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the second constraint condition, the successful creation of the optical multiplexing segment is judged.

In some embodiments of the present disclosure, for the single span scenario, the selecting the on-way board card and the port resource of the current network manager, and performing automatic creation of the optical multiplexing segment further includes:

searching whether other network element board card resources in the available network element set meet the first constraint condition and the second constraint condition under the condition that the optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station do not meet the first constraint condition or the optical line protection equipment board card resources in the current network elements of the first terminal station and the second terminal station do not meet the second constraint condition;

Under the condition that other network element board card resources in the available network element set meet the first constraint condition and the second constraint condition, judging that the optical multiplexing section is successfully created;

and under the condition that the board card resources of other network elements in the available network element set do not meet the first constraint condition and the second constraint condition, judging that the optical multiplexing segment fails to be created.

searching whether the optical amplifier board card resource meets a third constraint condition in the current network elements of the first terminal station and the second terminal station under the condition that the optical multiplexing section protection is not created;

and under the condition that the searching optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station meet the third constraint condition, judging that the optical multiplexing section is successfully created.

under the condition that the optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station do not meet the third constraint condition, searching for other network element board card resources in the available network element set to judge whether the third constraint condition is met or not;

Under the condition that other network element board card resources in the available network element set meet a third constraint condition, judging that the optical multiplexing segment is successfully created;

and under the condition that the board card resources of other network elements in the available network element set do not meet the third constraint condition, judging that the optical multiplexing segment is failed to be created.

In some embodiments of the present disclosure, for a multi-span scenario, the selecting the on-way board and the port resource of the current network manager, and performing automatic creation of the optical multiplexing segment includes:

judging whether to create optical multiplexing section protection;

under the condition of creating optical multiplexing section protection, selecting all the optical stations along the main path and the standby path;

searching whether the optical amplifier board card resources meet a first constraint condition in the current network elements of the first terminal station and the second terminal station, and searching whether the optical line protection equipment board card resources meet a second constraint condition in the current network elements of the first terminal station and the second terminal station;

under the condition that the optical amplifier board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the first constraint condition and the optical line protection equipment board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the second constraint condition, respectively searching whether the bidirectional optical fibers on the same path meet amplification in the same optical amplification board card or not in the available network element sets of each optical amplification station along the way;

Under the condition that the bidirectional optical fibers on the same path meet amplification in the same optical board card, judging that the optical multiplexing section is successfully created;

and under the condition that the bidirectional optical fibers on the same path do not meet amplification in the same optical board card, judging that the creation of the optical multiplexing section fails.

In some embodiments of the present disclosure, for the multi-span scenario, the selecting the on-way board card and the port resource of the current network manager, and performing automatic creation of the optical multiplexing segment further includes:

under the condition that other network element board card resources in the available network element set meet the first constraint condition and the second constraint condition, executing the step of searching whether the bidirectional optical fibers on the same path meet amplification in the same optical amplification board card in the available network element set of each optical amplification station along the way;

selecting an optical station along the way under the condition that no optical multiplexing section protection is created;

searching whether the optical amplifier board card resource meets a third constraint condition in the current network elements of the first terminal station and the second terminal station;

and under the condition that the current network elements of the first terminal station and the second terminal station search for the optical amplifier board card resources to meet the third constraint condition, executing the step of searching for whether the bidirectional optical fibers on the same path meet the amplification in the same optical amplifier board card in the available network element sets of all the optical amplifier stations along the way.

Under the condition that other network element board card resources in the available network element set meet a third constraint condition, executing the step of searching whether the bidirectional optical fibers on the same path meet amplification in the same optical amplification board card in the available network element set of each optical amplification station along the way;

In some embodiments of the present disclosure, the first constraint comprises: the optical amplifier board card comprises 2 power amplifiers and 2 preamplifiers; the priority principle when the resource is repeated is as follows: the integrated power amplifier and the pre-amplifier are integrated with a board card as a first priority, and the single erbium-doped fiber amplifier is integrated with a board card as a second priority; the power amplifier and the pre-amplifier of the main path and the power amplifier and the pre-amplifier of the standby path are in different network elements.

In some embodiments of the present disclosure, the second constraint includes: the optical line protection device comprises an optical line protection device board card, wherein each optical line protection device board card is provided with only one optical protection switch; the optical line protection device board card is not identical to the power amplifier of the main path.

In some embodiments of the present disclosure, the third constraint includes: the optical amplifier board card comprises 1 power amplifier and 1 pre-amplifier; the priority principle when the resource is repeated is as follows: the board card integrating the power amplifier and the pre-amplifier is of a first priority, and the single erbium-doped fiber amplifier is of a second priority.

acquiring available network element resources of related sites;

acquiring network element information of each network element, wherein the network element information comprises plate information and port availability;

according to the service requirement, scheduling the required plate resources according to the optical multiplexing segment creation method according to any embodiment;

acquiring connection information between network elements;

and carrying out port-level concatenation on the scheduled plate resources to form an optical multiplexing section.

According to another aspect of the present disclosure, there is provided an optical multiplexing segment creation apparatus including:

the multiplexing section creation module is used for selecting the along-way board card and port resources of the current network management to automatically create the optical multiplexing section, wherein the current network element comprises a terminal station and optical station equipment;

the plate scheduling module is used for allowing the cross-network element to schedule the plate card resources under the condition that the plate card on the current network element can not meet the resource requirements;

in some embodiments of the present disclosure, the optical multiplexing segment creation apparatus is configured to perform operations for implementing the optical multiplexing segment creation method according to any of the embodiments described above.

A memory for storing instructions;

and a processor configured to execute the instructions, so that the optical multiplexing segment creating device performs operations for implementing the optical multiplexing segment creating method according to any one of the embodiments.

According to another aspect of the present disclosure, there is provided a network management system including the optical multiplexing segment creation apparatus according to any one of the embodiments described above.

According to another aspect of the present disclosure, there is provided a box-type wavelength division apparatus including the optical multiplexing section creation device according to any one of the above embodiments, or including the network management system according to any one of the above embodiments.

According to another aspect of the present disclosure, there is provided a non-transitory computer-readable storage medium storing computer instructions which, when executed by a processor, implement the optical multiplex section creation method according to any of the embodiments described above.

The method and the device can automatically select the along-way board card and port resources including the terminal station and the optical station equipment to automatically create the optical multiplexing section; the method and the device can realize the scheduling of the cross-network element board card resources.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

Fig. 1 is a schematic diagram of some embodiments of an optical multiplexing segment creation method of the present disclosure.

Fig. 2 is a schematic diagram of an optical board integrated with pa+ba according to some embodiments of the present disclosure.

Fig. 3 is a schematic diagram of an optical board card including only PA according to some embodiments of the present disclosure.

Fig. 4 is a schematic diagram of an optical board card including only BA according to some embodiments of the present disclosure.

Fig. 5 is a schematic diagram of an optical add-on board integrated with a bi-directional ILA according to some embodiments of the present disclosure.

Fig. 6 is a schematic diagram of some embodiments of a single span optical multiplexing segment creation method of the present disclosure.

Fig. 7 is a schematic diagram of some embodiments of a multi-span optical multiplexing segment creation method of the present disclosure.

Fig. 8 is a schematic diagram of further embodiments of the optical multiplexing segment creation method of the present disclosure.

Fig. 9 is a schematic diagram of some embodiments of an optical multiplexing segment creation apparatus of the present disclosure.

Fig. 10 is a schematic diagram of further embodiments of the optical multiplexing segment creation apparatus of the present disclosure.

Fig. 11 is a schematic structural view of still other embodiments of the optical multiplexing segment creation apparatus of the present disclosure.

Detailed Description

The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise.

Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Fig. 1 is a schematic diagram of some embodiments of an optical multiplexing segment creation method of the present disclosure. Preferably, the present embodiment may be performed by the optical multiplexing section creation apparatus of the present disclosure or the network management system of the present disclosure or the cassette wavelength division device of the present disclosure. The method may comprise at least one of step 11 and step 12, wherein:

And 11, selecting a path board card and port resources of the current network manager to automatically create an optical multiplexing section, wherein the current network element comprises a terminal station and optical station equipment.

And step 12, allowing the cross-network element scheduling of the board card resources under the condition that the board card on the current network element cannot meet the resource requirements.

In some embodiments of the present disclosure, step 12 may include: and selecting the on-way board card and port resources of the current network manager for automatically creating the optical multiplexing section aiming at scenes of different spans and different protection requirements, wherein the different spans comprise single spans and multiple spans, and the different protection requirements comprise the protection requirements and the non-protection requirements of the optical multiplexing section.

The above-mentioned embodiment of the disclosure can perform cross-network element board card resource scheduling, and the above-mentioned embodiment of the disclosure adopts a routing method to create an optical multiplexing section, can automatically select the along-way board card and port resources including terminal stations and optical station devices, and allows cross-network element scheduling.

In some embodiments of the present disclosure, the optical multiplexing segment creation method may further include: at least one of the four OA (Optical Amplifier ) board types of fig. 2-5 is supported according to different board integration levels of the cassette wavelength division device, wherein:

1) Fig. 2 is a schematic diagram of a board card integrating BA (Booster-Amplifier) and PA (Pre-Amplifier), in some embodiments of the present disclosure, an optical Amplifier board card integrating pa+ba.

2) Fig. 3 is a schematic diagram of an optical board including only PA according to some embodiments of the present disclosure.

3) Fig. 4 is a schematic diagram of an optical board card including only BA in some embodiments of the present disclosure.

4) ILA (in-Line-Amplifier) board, wherein the ILA board contains bi-directional EDFAs (Erbium Doped Fiber Amplifier, erbium-doped fiber amplifiers). Fig. 5 is a schematic diagram of an optical add-on board integrated with a bi-directional ILA according to some embodiments of the present disclosure.

The embodiment of the disclosure can provide an automatic creation method of an optical multiplexing section for automatically scheduling board card resources across network elements, can provide support for optical board cards with different integration levels in an open decoupled multi-manufacturer optical network, and can realize flexible board card scheduling.

Traditional wavelength division equipment often adopts chimney type management, a single manufacturer only needs to process specific board card forms, and box type wavelength division can lead to the need of receiving different optical board cards of different manufacturers due to the open decoupling characteristic of the box type wavelength division, and board cards with different integration levels often exist due to the realization difference.

Fig. 6 is a schematic diagram of some embodiments of a single span optical multiplexing segment creation method of the present disclosure. Preferably, the present embodiment may be performed by the optical multiplexing section creation apparatus of the present disclosure or the network management system of the present disclosure or the cassette wavelength division device of the present disclosure. For a single span scene, the optical multiplex section creation method of the present disclosure may include at least one of step 601 and step 613, wherein:

step 601, selecting a composite port of a first terminal station a and a second terminal station Z.

Step 602, it is determined whether to create optical multiplexing segment protection. In case of creating an optical multiplexing segment protection, step 603 is performed; otherwise, step 609 is performed without creating an optical multiplex section protection.

Step 603, searching current network elements of the first terminal station and the second terminal station whether the optical amplifier board card resource meets a first constraint condition (constraint condition 1).

Step 604, searches current network elements of the first terminal station and the second terminal station for whether the OLP (Optical Line Protection, optical line protection device) board card resource meets a second constraint condition (constraint condition 2).

Step 605, it is determined whether the resource is satisfied. That is, it is determined whether the first constraint condition is satisfied by searching for optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station, and whether the second constraint condition is satisfied by searching for optical line protection device board card resources in the current network elements of the first terminal station and the second terminal station. Searching for optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station to meet the first constraint condition, and searching for optical line protection equipment board card resources in the current network elements of the first terminal station and the second terminal station to meet the second constraint condition, executing step 608; otherwise, if the optical amplifier board card resource is searched in the current network elements of the first terminal station and the second terminal station and does not meet the first constraint condition, or if the optical line protection equipment board card resource is searched in the current network elements of the first terminal station and the second terminal station and does not meet the second constraint condition, executing step 606;

And step 606, searching other network element board card resources in the available network element set.

In step 607, it is determined whether the resource satisfies, i.e., whether the other network element board card resources satisfy the first constraint condition and the second constraint condition. Executing step 608, under the condition that the other network element board card resources in the available network element set meet the first constraint condition and the second constraint condition; otherwise, if the other network element board card resources in the available network element set do not meet the first constraint condition and the second constraint condition, step 613 is performed.

Step 608, it is determined that the optical multiplex section creation was successful.

In step 609, without creating the optical multiplexing segment protection, searching for whether the optical amplifier board resources in the current network elements of the first terminal station and the second terminal station satisfy the third constraint condition (constraint condition 3).

Step 610, determining whether the resource meets, i.e., whether the optical amplifier board card resource of the current network element of the first terminal station and the second terminal station meets the third constraint condition. Step 608 is executed in a case that the searching optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station meet the third constraint condition; step 611 is performed in case the optical amplifier board resources in the current network elements of the first and second terminal stations do not meet the third constraint condition.

In step 611, other network element board card resources are searched in the available network element set.

Step 612, it is determined whether the resource satisfies, i.e., whether the other network element board card resource satisfies the third constraint condition. Executing step 608, in the case that the other network element board card resources in the available network element set meet the third constraint condition; otherwise, if the other network element board card resources in the available network element set do not meet the third constraint condition, step 613 is performed.

In step 613, it is determined that the optical multiplex section creation has failed.

Fig. 7 is a schematic diagram of some embodiments of a multi-span optical multiplexing segment creation method of the present disclosure. Preferably, the present embodiment may be performed by the optical multiplexing section creation apparatus of the present disclosure or the network management system of the present disclosure or the cassette wavelength division device of the present disclosure. For a multi-span scene, the optical multiplexing segment creation method of the present disclosure may include at least one of steps 701-717, wherein:

step 701, selecting a composite port of the first terminal station a and the second terminal station Z.

Step 702, it is determined whether to create optical multiplexing segment protection. In case of creating an optical multiplexing segment protection, step 703 is performed; otherwise, step 712 is performed without creating an optical multiplexing segment protection.

At step 703, all along-the-way optical stations on the main and standby paths are selected.

Step 704, searching current network elements of the first terminal station and the second terminal station whether the optical amplifier board card resource meets a first constraint condition (constraint condition 1).

Step 705, searching for whether the optical line protection device board resources meet the second constraint condition (constraint condition 2) in the current network elements of the first terminal station and the second terminal station.

Step 706, determine if the resource is satisfied. That is, it is determined whether the first constraint condition is satisfied by searching for optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station, and whether the second constraint condition is satisfied by searching for optical line protection device board card resources in the current network elements of the first terminal station and the second terminal station. Searching for optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station to meet the first constraint condition, and searching for optical line protection equipment board card resources in the current network elements of the first terminal station and the second terminal station to meet the second constraint condition, executing step 709; otherwise, step 707 is executed if the optical amplifier board card resource is searched in the current network elements of the first terminal station and the second terminal station, or the optical line protection device board card resource is searched in the current network elements of the first terminal station and the second terminal station, where the first constraint condition is not satisfied.

And step 707, searching other network element board card resources in the available network element set.

Step 708, determining whether the resource meets the first constraint condition and the second constraint condition, i.e. whether the other network element board card resource meets the first constraint condition and the second constraint condition. Executing step 709 in case the first constraint condition and the second constraint condition are satisfied by other network element board card resources in the available network element set; otherwise, in the case that the other network element board card resources in the available network element set do not meet the first constraint condition and the second constraint condition, step 717 is performed.

Step 709, in the available network element set of each optical station along the way, searching board card resources respectively: the board card requirements meet 2 ILAs.

In some embodiments of the present disclosure, the path optical amplification stations that allow the main and standby paths are different (i.e., the cable paths are different) for OMS protection, but require amplification in the same optical amplification card (containing ILA x 2) for bi-directional fibers on the same path.

Step 710, determining whether the resource is satisfied, that is, whether the bidirectional optical fibers on the same path are satisfied for amplification in the same optical board. Step 711 is executed if the bidirectional optical fibers on the same path satisfy amplification in the same optical board card; otherwise, step 717 is performed in the case where the bidirectional optical fibers on the same path do not satisfy amplification in the same optical board.

Step 711, it is determined that the optical multiplexing segment creation was successful.

Step 712, selecting an optical station along the way without creating optical multiplexing segment protection.

Step 713, searches for whether the optical amplifier board resources meet the third constraint (constraint 3) in the current network elements of the first terminal station and the second terminal station.

Step 714, it is determined whether the resource is satisfied, that is, whether the optical amplifier board card resources of the current network elements of the first terminal station and the second terminal station satisfy the third constraint condition. Step 709 is executed in case the current network elements of the first terminal station and the second terminal station search for optical amplifier board card resources satisfying the third constraint condition; step 715 is performed in the event that the optical amplifier board card resources in the current network elements of the first and second end stations do not satisfy the third constraint condition.

In step 715, other network element board card resources are searched in the available network element set.

Step 716, determining whether the resource meets a third constraint condition, i.e. whether the other network element board card resources meet the third constraint condition. Executing step 709 if the other network element board card resources in the available network element set meet the third constraint condition; otherwise, in case the other network element board card resources in the set of available network elements do not meet the third constraint condition, step 717 is performed.

Step 717 determines that the optical multiplexing segment creation failed.

In some embodiments of the present disclosure, step 703, step 709, step 710, and step 712 of the embodiment of fig. 7 are different portions of the single span creation flow than the embodiment of fig. 6.

In some embodiments of the present disclosure, the first constraint, the second constraint, and the third constraint are adapted for single-span and multi-span scenarios, i.e., for the fig. 6 and fig. 7 embodiments.

In some embodiments of the present disclosure, the first constraint may include:

1. the optical amplifier card contains 2 power amplifiers and 2 preamplifiers, i.e., the OA card contains the following EDFAs: BA 2, pa 2.

2. The priority principle when the resource is repeated is as follows: the board card integrating the power amplifier and the pre-amplifier is of a first priority, and the single erbium-doped fiber amplifier is of a second priority. Namely, the board integrated with BA+PA takes precedence; single EDFA is suboptimal.

3. The power amplifier and the pre-amplifier (ba+pa) of the main path and the power amplifier and the pre-amplifier (ba+pa) of the standby path are in different network elements. Thereby providing device level separation capability of the primary and backup paths.

In some embodiments of the present disclosure, the second constraint may include:

1. Comprises an optical line protection device board (OLP board 1), and only one optical protection switch is supposed to be arranged on each optical line protection device board.

2. The optical line protection device board card must not be co-located with the power amplifier of the main path. Thereby providing power loss retention capability.

In some embodiments of the present disclosure, the third constraint may include:

1. the optical amplifier board card comprises 1 power amplifier and 1 pre-amplifier; i.e. BA 1, pa 1.

The embodiment of the disclosure can realize the automatic creation of the optical multiplexing section of single-span and multi-span protected and unprotected scenes. The embodiment of the disclosure can meet the automatic creation requirements of the optical multiplexing section with different spans and different protection requirements.

The above embodiments of the present disclosure provide an automated optical multiplexing segment creation method applied to a box-type wavelength division system.

The above embodiments of the present disclosure provide an automated optical multiplexing segment creation method. The embodiment of the disclosure can be simultaneously applied to single-span or multi-span scenes, and the box type wavelength division control system automatically selects the along-way board card and port resources comprising the terminal station and the optical station equipment to automatically create the optical multiplexing section; when the board card on the network element can not meet the resource requirement, the embodiment of the disclosure allows the board card resource to be scheduled across the network element; the embodiment of the disclosure can support the optical board card modes with different integration levels.

Fig. 8 is a schematic diagram of further embodiments of the optical multiplexing segment creation method of the present disclosure. Preferably, the present embodiment may be performed by the optical multiplexing section creation apparatus of the present disclosure or the network management system of the present disclosure or the cassette wavelength division device of the present disclosure. The method may comprise at least one of steps 81-85, wherein:

and step 81, obtaining available network element resources of the related stations.

Step 82, obtaining network element information of each network element, wherein the network element information comprises plate information, port availability and other information.

Step 83, according to the service requirement, scheduling the required plate resources according to the optical multiplexing segment creation method described in any of the embodiments (e.g. any of fig. 1-7).

And step 84, obtaining connection information between network elements.

And step 85, carrying out port-level concatenation on the scheduled plate resources to form an optical multiplexing section.

The above embodiment of the disclosure can realize cross-network element board card resource scheduling. Because the box type wavelength division equipment is different from the traditional wavelength division equipment, the easy-stacking design also brings equipment volume limitation, and under the condition that the board card resources of a single network element are limited, the above-mentioned embodiment of the disclosure provides a cross-network element board card resource scheduling method, and network element board cards meeting the available conditions in the same site can be listed in a board card resource pool for unified scheduling.

Fig. 9 is a schematic diagram of some embodiments of an optical multiplexing segment creation apparatus of the present disclosure. As shown in fig. 9, the optical multiplex section creation apparatus of the present disclosure may include a multiplex section creation module 91 and a slab scheduling module 92, wherein:

the multiplexing segment creation module 91 is configured to select a board card and a port resource along the way of the current network management, and perform automatic creation of an optical multiplexing segment, where the current network element includes a terminal station and an optical station device.

And the board scheduling module 92 is configured to allow the board resources to be scheduled across the network elements in the case that the board on the current network element cannot meet the resource requirements.

In some embodiments of the present disclosure, the optical multiplexing segment creation apparatus may be configured to support at least one of the following four optical amplifier board types according to different board integration levels of the cassette wavelength division device: a board card integrating a power amplifier and a pre-amplifier, a board card only containing a power amplifier, a board card only containing a pre-amplifier, and an optical line amplifier board card containing a bidirectional erbium-doped fiber amplifier.

Fig. 10 is a schematic diagram of further embodiments of the optical multiplexing segment creation apparatus of the present disclosure. In comparison with the embodiment of fig. 9, in the embodiment of fig. 10, the optical multiplex section creating apparatus of the present disclosure may include a multiplex section creating module 91, a board scheduling module 92, a site management module 93, a network element management module 94, a topology management module 95, and a resource concatenation module 96, wherein:

the station management module 93 is configured to obtain available network element resources of the relevant station.

The network element management module 94 is configured to obtain network element information of each network element, where the network element information includes plate information and port availability.

A multiplex section creating module 91 and a slab scheduling module 92, configured to perform scheduling of required slab resources according to the optical multiplex section creating method according to any of the embodiments described above (e.g. any of fig. 1-7) according to service requirements.

The topology management module 95 is configured to obtain connection information between network elements.

The resource concatenation module 96 is configured to perform port-level concatenation on the scheduled plate resource to form an optical multiplexing segment.

The optical multiplexing segment creation device can be realized by a network management system of box type wavelength division equipment, the board card scheduling module and the resource serial module are expanded, and the topology, network elements and site management modules of the network management system are utilized, so that the automatic creation function of the optical multiplexing segment is realized.

In some embodiments of the present disclosure, the multiplex section creation module 91 may be configured to select, for different spans and different protection requirements, the on-way board card and the port resource of the current network management to perform automatic creation of the optical multiplex section, where the different spans include a single span and a multi-span, and the different protection requirements include an optical multiplex section protection requirement and an unprotected requirement.

In some embodiments of the present disclosure, for a single span scenario, the multiplex section creation module 91 may be used to select a multiplexing port of the first end station and the second end station; judging whether to create optical multiplexing section protection; under the condition of creating optical multiplexing section protection, searching whether the optical amplifier board card resources meet a first constraint condition in the current network elements of the first terminal station and the second terminal station, and searching whether the optical line protection equipment board card resources meet a second constraint condition in the current network elements of the first terminal station and the second terminal station; and under the condition that the optical amplifier board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the first constraint condition and the optical line protection equipment board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the second constraint condition, the successful creation of the optical multiplexing segment is judged.

In some embodiments of the present disclosure, for a single span scenario, the multiplex section creation module 91 may be configured to search, in a set of available network elements, whether the first constraint condition and the second constraint condition are satisfied by other network element board card resources if the first constraint condition is not satisfied by optical amplifier board card resources in current network elements of the first terminal station and the second terminal station, or if the second constraint condition is not satisfied by optical line protection device board card resources in current network elements of the first terminal station and the second terminal station; under the condition that other network element board card resources in the available network element set meet the first constraint condition and the second constraint condition, judging that the optical multiplexing section is successfully created; and under the condition that the board card resources of other network elements in the available network element set do not meet the first constraint condition and the second constraint condition, judging that the optical multiplexing segment fails to be created.

In some embodiments of the present disclosure, for a single span scenario, the multiplex section creation module 91 may be configured to search for whether the optical amplifier board card resource satisfies the third constraint condition in the current network elements of the first and second end stations without creating the optical multiplex section protection; and under the condition that the searching optical amplifier board card resources in the current network elements of the first terminal station and the second terminal station meet the third constraint condition, judging that the optical multiplexing section is successfully created.

In some embodiments of the present disclosure, for a single span scenario, the multiplex section creation module 91 may be configured to search, in a set of available network elements, whether the optical amplifier board resources in the current network elements of the first terminal station and the second terminal station meet the third constraint condition, and if the optical amplifier board resources in the current network elements of the first terminal station and the second terminal station do not meet the third constraint condition, search for whether other network element board resources in the set of available network elements meet the third constraint condition; under the condition that other network element board card resources in the available network element set meet a third constraint condition, judging that the optical multiplexing segment is successfully created; and under the condition that the board card resources of other network elements in the available network element set do not meet the third constraint condition, judging that the optical multiplexing segment is failed to be created.

In some embodiments of the present disclosure, for a multi-span scenario, the multiplex section creation module 91 may be used to select a multiplexing port of the first end station and the second end station; judging whether to create optical multiplexing section protection; under the condition of creating optical multiplexing section protection, selecting all the optical stations along the main path and the standby path; searching whether the optical amplifier board card resources meet a first constraint condition in the current network elements of the first terminal station and the second terminal station, and searching whether the optical line protection equipment board card resources meet a second constraint condition in the current network elements of the first terminal station and the second terminal station; under the condition that the optical amplifier board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the first constraint condition and the optical line protection equipment board card resources are searched in the current network elements of the first terminal station and the second terminal station to meet the second constraint condition, respectively searching whether the bidirectional optical fibers on the same path meet amplification in the same optical amplification board card or not in the available network element sets of each optical amplification station along the way; under the condition that the bidirectional optical fibers on the same path meet amplification in the same optical board card, judging that the optical multiplexing section is successfully created; and under the condition that the bidirectional optical fibers on the same path do not meet amplification in the same optical board card, judging that the creation of the optical multiplexing section fails.

In some embodiments of the present disclosure, for a multi-span scenario, the multiplex section creation module 91 may be configured to search, in a set of available network elements, whether the first constraint condition and the second constraint condition are satisfied by other network element board card resources if the first constraint condition is not satisfied by optical amplifier board card resources in current network elements of the first terminal station and the second terminal station, or if the second constraint condition is not satisfied by optical line protection device board card resources in current network elements of the first terminal station and the second terminal station; under the condition that other network element board card resources in the available network element set meet the first constraint condition and the second constraint condition, executing the operation of searching whether the bidirectional optical fibers on the same path meet amplification in the same optical amplification board card in the available network element set of each optical amplification station along the way; and under the condition that the board card resources of other network elements in the available network element set do not meet the first constraint condition and the second constraint condition, judging that the optical multiplexing segment fails to be created.

In some embodiments of the present disclosure, for multi-span scenarios, the multiplex section creation module 91 may be used to select an optical drop station along the way without creating optical multiplex section protection; searching whether the optical amplifier board card resource meets a third constraint condition in the current network elements of the first terminal station and the second terminal station; and under the condition that the current network elements of the first terminal station and the second terminal station search for the optical amplifier board card resources to meet the third constraint condition, the operation of searching for whether the bidirectional optical fibers on the same path meet the amplification in the same optical amplifier board card in the available network element sets of all the optical amplifier stations is executed.

In some embodiments of the present disclosure, for a multi-span scenario, the multiplex section creation module 91 may be configured to search, in a set of available network elements, whether the optical amplifier board resources in the current network elements of the first terminal station and the second terminal station meet the third constraint condition, and if the optical amplifier board resources in the current network elements of the first terminal station and the second terminal station do not meet the third constraint condition, search for whether other network element board resources in the set of available network elements meet the third constraint condition; under the condition that other network element board card resources in the available network element set meet a third constraint condition, executing the operation of searching whether the bidirectional optical fibers on the same path meet amplification in the same optical amplification board card in the available network element set of each optical amplification station along the way; and under the condition that the board card resources of other network elements in the available network element set do not meet the third constraint condition, judging that the optical multiplexing segment is failed to be created.

In some embodiments of the present disclosure, the first constraint, the second constraint, and the third constraint are adapted to single-span scenes and multi-span scenes.

In some embodiments of the present disclosure, the first constraint may include: the optical amplifier board card comprises 2 power amplifiers and 2 preamplifiers; the priority principle when the resource is repeated is as follows: the integrated power amplifier and the pre-amplifier are integrated with a board card as a first priority, and the single erbium-doped fiber amplifier is integrated with a board card as a second priority; the power amplifier and the pre-amplifier of the main path and the power amplifier and the pre-amplifier of the standby path are in different network elements.

In some embodiments of the present disclosure, the second constraint may include: the optical line protection device comprises an optical line protection device board card, wherein each optical line protection device board card is provided with only one optical protection switch; the optical line protection device board card is not identical to the power amplifier of the main path.

In some embodiments of the present disclosure, the third constraint may include: the optical amplifier board card comprises 1 power amplifier and 1 pre-amplifier; the priority principle when the resource is repeated is as follows: the board card integrating the power amplifier and the pre-amplifier is of a first priority, and the single erbium-doped fiber amplifier is of a second priority.

In some embodiments of the present disclosure, the optical multiplexing segment creation apparatus may be configured to perform operations to implement the optical multiplexing segment creation method described in any of the embodiments described above (e.g., any of fig. 1-8).

The above embodiments of the present disclosure provide an optical multiplexing segment automation creation apparatus applied to a box-type wavelength division system.

The above embodiments of the present disclosure provide an automated optical multiplexing segment creation apparatus. The embodiment of the disclosure can be simultaneously applied to single-span or multi-span scenes, and the box type wavelength division control system automatically selects the along-way board card and port resources comprising the terminal station and the optical station equipment to automatically create the optical multiplexing section; when the board card on the network element can not meet the resource requirement, the embodiment of the disclosure allows the board card resource to be scheduled across the network element; the embodiment of the disclosure can support the optical board card modes with different integration levels.

Fig. 11 is a schematic structural view of still other embodiments of the optical multiplexing segment creation apparatus of the present disclosure. As shown in fig. 11, the optical multiplexing segment creation apparatus includes a memory 111 and a processor 112.

The memory 111 is for storing instructions and the processor 112 is coupled to the memory 111, the processor 112 being configured to perform an optical multiplexing segment creation method according to any of the embodiments described above (e.g. any of the embodiments of fig. 1-8) based on the instructions stored by the memory.

As shown in fig. 11, the optical multiplex section creation apparatus further includes a communication interface 113 for information interaction with other devices. Meanwhile, the optical multiplexing segment creation apparatus further includes a bus 114, and the processor 112, the communication interface 113, and the memory 111 perform communication with each other through the bus 114.

The memory 111 may comprise a high-speed RAM memory or may further comprise a non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 111 may also be a memory array. The memory 111 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.

Further, the processor 112 may be a central processing unit CPU, or may be an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present disclosure.

The above embodiment of the disclosure can realize cross-network element board card resource scheduling. Because the box type wavelength division equipment is different from the traditional wavelength division equipment, the design of easy stacking brings equipment volume limitation at the same time, and under the condition that the board card resources of a single network element are limited, the above-mentioned embodiment of the disclosure provides a cross-network element board card resource scheduling device, and network element board cards meeting the available conditions in the same site can be listed into a board card resource pool for unified scheduling.

According to another aspect of the present disclosure, there is provided a network management system including an optical multiplexing segment creation device according to any of the embodiments described above (e.g., any of fig. 9-11).

According to another aspect of the present disclosure, there is provided a box-type wavelength division apparatus including the optical multiplexing section creation device according to any one of the embodiments described above (for example, any one of fig. 9 to 11), or including the network management system according to any one of the embodiments described above.

According to another aspect of the present disclosure, there is provided a non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement a light multiplexing segment creation method according to any of the above embodiments of the present disclosure (e.g., any of fig. 1-8). Is carried out by a method comprising the steps of. It will be apparent to those skilled in the art that embodiments of the present disclosure may be provided as a method, apparatus, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The optical multiplexing segment creation apparatus and network management system described above may be implemented to include a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof for performing the functions described herein.

Thus far, the present disclosure has been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

Those of ordinary skill in the art will appreciate that all or a portion of the steps implementing the above embodiments may be implemented by hardware, or may be implemented by a program indicating that the relevant hardware is implemented, where the program may be stored on a non-transitory computer readable storage medium, where the storage medium may be a read-only memory, a magnetic disk or optical disk, etc.

The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A method of optical multiplex section creation, comprising:

2. The optical multiplexing segment creation method of claim 1, further comprising:

3. The method for creating the optical multiplexing segment according to claim 2, wherein the selecting the on-way board card and the port resource of the current network manager to automatically create the optical multiplexing segment comprises:

4. The method for creating optical multiplexing segments according to claim 3, wherein for a single span scene, the selecting the on-way board and port resources of the current network manager to automatically create the optical multiplexing segments comprises:

judging whether to create optical multiplexing section protection;

5. The method for creating optical multiplexing segments according to claim 4, wherein for a single span scene, the selecting the on-way board and port resources of the current network manager to automatically create the optical multiplexing segments further comprises:

6. The method for creating optical multiplexing segments according to claim 4, wherein for a single span scene, the selecting the on-way board and port resources of the current network manager to automatically create the optical multiplexing segments further comprises:

7. The method for creating optical multiplexing segments according to claim 6, wherein for a single span scene, the selecting the on-way board and port resources of the current network manager to automatically create the optical multiplexing segments further comprises:

8. The method for creating optical multiplexing segments according to claim 3, wherein for the multi-span scene, the selecting the on-way board and port resources of the current network manager to automatically create the optical multiplexing segments comprises:

judging whether to create optical multiplexing section protection;

9. The method for creating optical multiplexing segments according to claim 8, wherein for the multi-span scene, the selecting the on-way board card and the port resource of the current network manager to automatically create the optical multiplexing segments further comprises:

10. The method for creating optical multiplexing segments according to claim 8, wherein for the multi-span scene, the selecting the on-way board card and the port resource of the current network manager to automatically create the optical multiplexing segments further comprises:

11. The method for creating optical multiplexing segments according to claim 10, wherein for the multi-span scene, the selecting the on-way board and port resources of the current network manager to automatically create the optical multiplexing segments further comprises:

12. The method for creating an optical multiplexing segment according to any of claims 4-11, wherein,

the first constraint includes: the optical amplifier board card comprises 2 power amplifiers and 2 preamplifiers; the priority principle when the resource is repeated is as follows: the integrated power amplifier and the pre-amplifier are integrated with a board card as a first priority, and the single erbium-doped fiber amplifier is integrated with a board card as a second priority; the power amplifier and the pre-amplifier of the main path and the power amplifier and the pre-amplifier of the standby path are in different network elements;

the second constraint includes: the optical line protection device comprises an optical line protection device board card, wherein each optical line protection device board card is provided with only one optical protection switch; the optical line protection device board card is not identical to the power amplifier of the main path.

13. The method for creating an optical multiplexing segment according to any one of claims 6 to 7 and 10 to 11,

the third constraint includes: the optical amplifier board card comprises 1 power amplifier and 1 pre-amplifier; the priority principle when the resource is repeated is as follows: the board card integrating the power amplifier and the pre-amplifier is of a first priority, and the single erbium-doped fiber amplifier is of a second priority.

14. The optical multiplexing segment creation method according to any one of claims 1 to 11, further comprising:

acquiring available network element resources of related sites;

scheduling required plate resources according to business requirements and according to the optical multiplexing segment creation method as claimed in any one of claims 1 to 11;

acquiring connection information between network elements;

15. An optical multiplexing segment creation apparatus, comprising:

wherein the optical multiplex section creation means is for performing operations to implement the optical multiplex section creation method as defined in any one of claims 1-14.

16. An optical multiplexing segment creation apparatus, comprising:

A memory for storing instructions;

a processor for executing the instructions to cause the optical multiplex section creation device to perform operations implementing the optical multiplex section creation method as defined in any of claims 1-14.

17. A network management system comprising the optical multiplex section creation apparatus as defined in claim 15 or 16.

18. A box-type wavelength division apparatus comprising the optical multiplexing section creation apparatus according to claim 15 or 16, or comprising the network management system according to claim 17.

19. A non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement the optical multiplex section creation method of any of claims 1-14.