CN108512676B - Channel analysis method, device and storage medium - Google Patents
Channel analysis method, device and storage medium Download PDFInfo
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Abstract
The invention discloses a channel analysis method, a device and a storage medium, which relate to the field of data communication, and the method comprises the following steps: determining an OCH network element topological sequence of a target network, and determining the use state of a network element belonging to the OCH network element topological sequence in each OCH path and the occupation state of the OCH path; and/or determining an ODUk network element topology sequence of the target network, and determining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path and an occupation state of the ODUk path. By the method and the device, the distribution/use condition of the target network wavelength resource/electrical layer resource can be globally and clearly obtained, and a basis is provided for auditing/optimizing subsequent network resources.
Description
Technical Field
The present invention relates to the field of data communications, and in particular, to a channel analysis method, device and storage medium.
Background
When an optical transport network is opened, configuration and opening are often performed according to a channel allocation diagram of a project, but after the optical transport network is opened, whether a current network is consistent with the project diagram or not can not be confirmed or is difficult to confirm, so that an analysis management method for wavelength resource/electrical layer resource allocation conditions is urgently needed to be provided on a network management system;
when an operating network is modified, the use condition of the existing wavelength resource/electrical layer channel resource needs to be analyzed first, so that a global basis is provided for the optimization and adjustment of network resources, and therefore, a method for analyzing and managing the distribution condition of optical layer/electrical layer resources on a network management system is urgently needed.
Disclosure of Invention
According to the channel analysis method, the device and the storage medium provided by the embodiment of the invention, the channel resource allocation condition is analyzed and managed.
The channel analysis method provided by the embodiment of the invention comprises the following steps:
determining an Optical Channel (OCH) network element topological sequence of a target network, and determining the use state of a network element belonging to the OCH network element topological sequence in each OCH path and the occupation state of the OCH path; and/or
Determining an optical channel data unit (ODUk) network element topology sequence of the target network, and determining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path and an occupation state of the ODUk path.
Preferably, the determining the OCH network element topology sequence of the target network includes:
calculating path network element sequences of all OCH paths of the target network;
and merging the path network element sequences of all OCH paths of the target network to obtain an OCH network element topological sequence of the target network.
Preferably, the calculating the sequence of path network elements of all OCH paths of the target network includes:
selecting a network element from the target network, and inquiring each OCH path where the selected network element is located;
and determining a path network element sequence of each OCH path according to the OTS layer route of the optical transmission section of each OCH path.
Preferably, the merging the path network element sequences of all OCH paths of the target network to obtain the OCH network element topology sequence of the target network includes:
establishing an OCH network element sequence collection;
comparing the path network element sequence of one OCH path with each network element sequence in the OCH network element sequence aggregation;
if the same part exists between the path network element sequence of the OCH path and a certain network element sequence in the OCH network element sequence set, the sequences of the same part are completely consistent, and the sequences of different parts do not conflict, merging the two network element sequences and then replacing the network element sequence in the OCH network element sequence set;
if the path network element sequence of the OCH path does not have the same part with any network element sequence in the OCH network element sequence set, or the sequences of the same part are different, or the sequences of the different parts conflict, adding the path network element sequence of the OCH path into the OCH network element sequence set;
and merging the network element sequences in the OCH network element sequence aggregation to obtain the OCH network element topological sequence.
Preferably, the determining the use state of the network element belonging to the OCH network element topology sequence in each OCH path and the occupation state of the OCH path:
obtaining the use state of the network element belonging to the OCH network element topological sequence in each OCH path by inquiring the local layer route of each OCH path;
and calculating the occupation state of each OCH path according to the capacity of each OCH path and the client layer information.
Preferably, the determining the ODUk network element topology sequence of the target network includes:
calculating path network element sequences of all ODUk paths of the target network;
merging the path network element sequences of all ODUk paths of the target network to obtain an ODUk network element topology sequence of the target network.
Preferably, the calculating a path network element sequence of all ODUk paths of the target network includes:
selecting a network element from the target network, and inquiring each ODUk path where the selected network element is located and the OCH layer route of the ODUk path;
and determining a path network element sequence of each ODUk path according to the sequence of each OCH layer route.
Preferably, the merging the path network element sequences of all ODUk paths of the target network to obtain the ODUk network element topology sequence of the target network includes:
establishing an ODUk network element sequence set;
comparing a path network element sequence of one ODUk path with each network element sequence in the ODUk network element sequence set;
if the path network element sequence of the ODUk path and a certain network element sequence in the ODUk network element sequence set have the same part, the sequences of the same part are completely consistent, and the sequences of different parts do not conflict, merging the two network element sequences and then replacing the network element sequence in the ODUk network element sequence set;
if the path network element sequence of the ODUk path does not have the same part as any network element sequence in the ODUk network element sequence set, or the sequences of the same part are different, or the sequences of different parts conflict, adding the path network element sequence of the ODUk path into the ODUk network element sequence set;
and merging the network element sequences in the ODUk network element sequence set to obtain the ODUk network element topology sequence.
Preferably, the determining the use state of the network element belonging to the ODUk network element topology sequence in each ODUk path and the occupancy state of the ODUk path includes:
acquiring a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path by querying the local layer route of each ODUk path;
and calculating the occupation state of each ODUk path according to the capacity of each ODUk path and the client layer information.
Preferably, further comprising:
presenting the topology sequence of the OCH network elements, the use state of each network element and the occupation state of each OCH path; and/or
And presenting the ODUk network element topology sequence, the network element use state and the path occupation state.
The channel analysis device provided by the embodiment of the invention is arranged in a network management system of an optical transmission network, and comprises:
the sequence determining module is used for determining an OCH network element topology sequence of a target network and/or determining an ODUk network element topology sequence of the target network;
a state determining module, configured to determine a use state of a network element belonging to the OCH network element topology sequence and an occupation state of the OCH path in each OCH path, and/or determine a use state of a network element belonging to the ODUk network element topology sequence and an occupation state of the ODUk path in each ODUk path.
According to an embodiment of the present invention, there is provided a storage medium storing an executable program for channel analysis, the executable program realizing the following steps when executed by a processor:
determining an OCH network element topological sequence of a target network, and determining the use state of a network element belonging to the OCH network element topological sequence in each OCH path and the occupation state of the OCH path; and/or
Determining an ODUk network element topology sequence of the target network, and determining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path and an occupation state of the ODUk path.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
by the method and the device, the distribution/use condition of the target network wavelength resource/electrical layer resource can be obtained globally and clearly, and a basis is provided for the auditing/optimizing of subsequent network resources.
Drawings
FIG. 1 is a block diagram of a channel analysis method provided by an embodiment of the present invention;
FIG. 2 is a block diagram of a channel analyzing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an analysis process provided by an embodiment of the invention;
FIG. 4 is a diagram of an implementation of a channel organization chart interaction interface provided by an embodiment of the invention;
fig. 5 is an implementation diagram of an ODUk organization chart interaction interface provided in the embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described below are only for the purpose of illustrating and explaining the present invention, and are not to be construed as limiting the present invention.
Fig. 1 is a block diagram of a channel analysis method provided in an embodiment of the present invention, and as shown in fig. 1, the steps include:
step S101: and determining an OCH network element topological sequence of a target network, and determining the use state of the network element belonging to the OCH network element topological sequence in each OCH path and the occupation state of the OCH path.
The step of determining the topology sequence of the OCH network elements of the target network comprises the following steps: and calculating path network element sequences of all OCH paths of the target network, and merging the path network element sequences of all OCH paths of the target network to obtain an OCH network element topological sequence of the target network.
Wherein, the step of calculating the path network element sequences of all OCH paths of the target network comprises: and selecting a network element from the target network, inquiring each OCH path in which the selected network element is positioned, and determining a path network element sequence of the OCH path according to the OTS layer route of each OCH path.
Wherein the step of merging the path network element sequences of all the OCH paths of the target network comprises: firstly, establishing an OCH network element sequence collection, then comparing a path network element sequence of an OCH path with each network element sequence in the OCH network element sequence collection, if the path network element sequence of the OCH path and the network element sequence in the OCH network element sequence collection have the same part, the sequences of the same part are completely consistent, and the sequences of different parts do not conflict, merging the two network element sequences, then replacing the network element sequence in the OCH network element sequence collection, if the path network element sequence of the OCH path and any network element sequence in the OCH network element sequence collection do not have the same part, or the sequences of the same part are different, or the sequences of different parts conflict, adding the path network element sequence of the OCH path into the OCH network element sequence collection, and finally merging the network element sequences in the OCH network element sequence collection, and obtaining the OCH network element topological sequence.
The determining the use state of the network element belonging to the OCH network element topology sequence in each OCH path and the occupation state of the OCH path includes: and obtaining the use state of the network element in each OCH path, such as an up/down route point, a straight-through point, a relay point, a jump point or a turning point, belonging to the OCH network element topological sequence, in each OCH path by inquiring the local layer route of each OCH path, and then calculating the occupation state, such as redundancy, partial occupation or complete occupation, of each OCH path according to the capacity of each OCH path and the client layer information.
Step S102: and obtaining an ODUk network element topological sequence of the target network by calculating and merging path network element sequences of all ODUk paths of the target network.
The determining of the ODUk network element topology sequence of the target network includes: and calculating path network element sequences of all ODUk paths of the target network, and merging the path network element sequences of all ODUk paths of the target network to obtain an ODUk network element topology sequence of the target network.
Wherein the step of calculating the path network element sequences of all ODUk paths of the target network includes: and selecting a network element from the target network, inquiring each ODUk path where the selected network element is located and the OCH layer route thereof, and determining a path network element sequence of each ODUk path according to the sequence of each OCH layer route.
Wherein the step of merging the path network element sequences of all ODUk paths of the target network includes: firstly, an ODUk network element sequence set is established, then a path network element sequence of an ODUk path is compared with each network element sequence in the ODUk network element sequence set, if the path network element sequence of the ODUk path and a certain network element sequence in the ODUk network element sequence set have the same part, the sequences of the same part are completely consistent, and the sequences of different parts do not conflict, the two network element sequences are merged and then replace the network element sequence in the ODUk network element sequence set, if the path network element sequence of the ODUk path and any network element sequence in the ODUk network element sequence set do not have the same part, or the sequences of the same part are different, or the sequences of different parts conflict, the path network element sequence of the ODUk path is added into the ODUk network element sequence set, and finally, the network element sequences in the ODUk network element sequence set are merged, and obtaining the ODUk network element topology sequence.
The determining the use state of the network element belonging to the ODUk network element topology sequence in each ODUk path and the occupation state of the ODUk path includes: obtaining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path by querying the layer route of each ODUk path, and calculating an occupation state of each ODUk path according to the capacity of each ODUk path and client layer information.
Furthermore, the network management system can present the topological sequence of the OCH network elements, the use state of each network element and the occupation state of each OCH path in the form of graphics and the like; and/or presenting the ODUk network element topology sequence, the network element using state and the path occupation state. And for OCH, the network management system takes the path network element sequence of the OCH path as an abscissa and the wavelength of the OCH path as an ordinate, establishes a two-dimensional imaged OCH channel organization chart, and then presents the state of each OCH path on a network element in the established two-dimensional imaged OCH channel organization chart. For the ODUk, the network management system establishes a two-dimensional imaged ODUk channel organization diagram by using the path network element sequence of the ODUk path as a horizontal coordinate and the wavelength of the ODUk path as a vertical coordinate, and presents the state of each ODUk path on the network element in the established two-dimensional imaged ODUk channel organization diagram.
If necessary, step S101 and step S102 may be independent of each other to perform channel analysis on the optical layer or the electrical layer, or may be combined to perform channel analysis on the optical layer and the electrical layer.
It will be understood by those skilled in the art that all or part of the steps in the method according to the above embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer-readable storage medium, and when the program is executed, the step S101 and/or the step S102 may be implemented, and the step of presenting the analysis result may also be implemented. The storage medium may be ROM/RAM, magnetic disk, optical disk, etc.
Fig. 2 is a block diagram of a channel analysis apparatus provided in an embodiment of the present invention, and as shown in fig. 2, the apparatus is disposed in a network management system of an optical transport network, and includes:
a sequence determining module, configured to determine an OCH network element topology sequence of a target network, and/or determine an optical channel data unit ODUk network element topology sequence of the target network.
A state determining module, configured to determine a usage state of a network element belonging to the OCH network element topology sequence and an occupation state of the OCH path in each OCH path, and/or determine a usage state of a network element belonging to the ODUk network element topology sequence and an occupation state of the ODUk path in each ODUk path.
The apparatus may further comprise:
and the display module is used for presenting the OCH network element topology sequence, the use state of each network element and the occupation state of each OCH path in a graphical form and the like, and/or presenting the ODUk network element topology sequence, the use state of the network element and the occupation state of the path.
Fig. 3 is a schematic diagram of an analysis process provided in an embodiment of the present invention, in order to analyze the wavelength resource/electrical layer resource allocation situation on the chain/ring type networking so as to provide a basis for subsequent management actions such as checking/adjusting the wavelength resource/electrical layer resource of the optical transport network, the analysis step includes:
step S301: and calculating and merging the path network element sequences of all OCH paths on the selected network, and finally obtaining the network element topology sequence of the selected network.
Step S302: determining the use state of each OCH path/ODUk path on each network element node in the network element topology sequence according to the routing information of each OCH path/ODUk path: up/down route points, straight-through points, relay points, jump points and turning points.
Up/down waypoints: start/stop points of wavelength paths;
straight-through point: the path is routed to the network element but no local layer route exists on the network element;
a relay point: the path is routed to the network element, the network element is provided with a local layer route and a channel number is unchanged;
jump point: the path is routed to the network element, and the network element has local layer routing and different channel numbers;
turning points are as follows: the path is routed to the network element but the neighbor routing network element is not in the selected subnet;
step S303: and calculating the occupation situation on the uplink and downlink nodes according to the capacity of the path and the client layer information: redundancy, partial occupation and full occupation.
Redundancy: no client layer path;
partial occupation: there is a client layer path but there is remaining capacity;
the method is characterized by comprising the following steps of (1) complete occupation: a client layer path is available and no residual capacity exists;
step S304: the calculation result is presented on the interactive interface, the abscissa is the network element topology sequence, the ordinate is the channel number, and the state of each path on the network element is presented at the corresponding position of the two-dimensional table in a graphic mode.
Where for the optical layer, channel numbers refer to wavelengths and for the electrical layer, channel numbers refer to serial numbers.
Step S305: and judging whether to export the file, if so, executing the step S306, and if not, ending.
Step S306: and exporting the file.
That is, for the calculation result, the export function is provided, and the text viewing mode is provided.
Taking the implementation of the invention on the U31 network management as an example, the specific steps include:
step S401: a target subnet is selected.
Step S402: and (4) channel analysis of the target subnet.
Wherein, the algorithm for implementing step S402 further includes the following steps S4021 to S4025:
step S4021: and inquiring the OCH path of the selected network element.
Step S4022: and inquiring OTS layer routes of all paths, and analyzing a passing network element sequence NEsOCHx { A, B, C, D,. N } of the OCH paths.
Step S4023: a collection of sequences of network elements { NEs1, …, NEsi, … NEsn } of merged OCHs, where routed network elements that are not within the selected range are not merged into a set of sequences of network elements in the following process).
The step S4023 further includes the following steps S40231 to S40236:
step S40231: assuming that NESOCHx is contained in NESI and the sequence is identical, NESI is not changed. If NEsOCHx is { B, C }, NEsi is { a, B, C, D }, then NEsi is { a, B, C, D }.
Step S40232: assuming that NESi is contained in NESOCHx and the sequence is the same, NESOCHx is updated to NESi. If NEsi is { B, C }, NEsOCHx is { a, B, C, D }, then NEsi is { a, B, C, D }.
Step S40233: assuming that NESOCHx is partially identical to NESi and the sequence of the identical portion is identical and the redundant portions do not conflict, NESi expands the different portions of NESOCHx. If nesochhx is { a, B, C }, and NEsi is { B, C, D }, then NEsi is { a, B, C, D }.
Step S40234: assuming that NESOCHx is partially identical to NESi and the same partial sequence is identical and the excess part is in conflict, or the same partial sequence is different, the next NESi +1 is aligned. Such as NEsOCHx ═ { B, C, E }, NEsi ═ a, B, C, D }; or as NEsOCHx { B, a, C, E }, NEsi { a, B, C, D }.
Step S40235: assuming that NESOCHx is different from NESi, the next NESi +1 is aligned. For example, NEsOCHx ═ { E, F }, NEsi ═ a, B, C, D }.
Step S40236: if the new value does not match any of { NEs1, …, NEsi, … NEsn }, a new NEsn +1 ═ NEsOCHx is added.
Step S4024: merging { NEs1, …, NESi, … NESn }, merging the repeated ones into a set, and obtaining a final network element sequence set { NEs1, …, NESi, … NESm } by the rule and the merging method of NESOCHx and NESi.
Step S4025: and identifying the network element sequence NESi to which each OCH path belongs according to the network element sequence NESOCHx passed by the OCH paths. The method comprises the steps of inquiring a local layer route of an OCH path, and obtaining a relay node RNEs { x 1., xn } (no frequency change), a skip node SNEs { x1, …, xm } (frequency change) and a turning node NNEs { x1, …, xk }, wherein the relay node is a local layer route node with unchanged frequency, the skip node is a local layer route node with changed frequency, and the turning node is a next network element or a node with a previous network element not in the Nesi. Meanwhile, according to whether the frequency is changed, the NESi is divided into a plurality of segments of NESi1, NESI2, … and NESin, and the frequency of each segment is identified.
Examples are as follows: nesochhx ═ a, B, C, D, E, F, G }, E network element unselected, OCH frequency at a, B, C is 192.10, and wave hopping to 192.20 at C network element until F, then C is the wave hopping point, 192.10 part of the network element sequence is { a, B, C }, 192.20 part of the network element sequence is { C, D, F, G }, where { D, F } is the turning point, if there is OCH Cross Connection (CC) in B network element on D, then B is the relaying point;
step S403: and (4) carrying out ODUk channel analysis on the target subnet.
Step S4031: inquiring an ODUk path and an OCH layer route of the selected network element;
step S4032: merging OCH layer routes of the ODUk paths according to the routing sequence to obtain routing network elements { A ', B ', C ', D ',. and N ' } of the ODU paths;
step S4033: merging network element sequences of paths of the ODUk, wherein the method is the same as an OCH path;
step S4034: according to the network element sequence NESODUx 'passing through the ODUk path, identifying the network element sequence NESi' to which each ODU path belongs; inquiring the local layer route of the ODUk path, and acquiring a relay node RNEs { x1, ·, xn } (no channel number change), a skip node SNEs { x1, …, xm } (channel number change) and a turning node NNEs { x1, …, xk }, wherein the relay node is a local layer route node with unchanged channel number, the skip node is a local layer route node with changed channel number, and the turning node is a next network element or a node with an old network element not in the NESi; and dividing NESi into segments NESi1, NESI2, … and NESin according to whether the channel number is changed or not, and identifying the channel number of each segment.
Step S404: a channel organization chart is presented as shown in fig. 4.
Step S405: an ODUk organization map menu for one channel is selected.
Step S406: an ODUk organization map on this channel is presented as shown in fig. 5.
The embodiment of the invention is suitable for the following scenes:
1. after the project is opened, selecting the subnet to be checked on the network manager, analyzing the channel organization information of the selected subnet by using a channel organization chart, and comparing whether the difference exists with a wavelength distribution chart during opening; or the channel organization chart information can be compared with the wavelength distribution chart in the opening process to determine whether the difference exists;
2. and (3) expanding the capacity of the network, firstly selecting a subnet needing expanding the capacity on a network manager, analyzing the channel organization information of the selected subnet by using a channel organization chart, and planning unused channel resources according to the analysis result to establish a new channel for a new user to use.
Although the present invention has been described in detail hereinabove, the present invention is not limited thereto, and various modifications can be made by those skilled in the art in light of the principle of the present invention. Thus, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.
Claims (12)
1. A method of channel analysis, comprising:
determining an OCH network element topological sequence of an optical access of a target network by a preset merging method, and determining the use state of a network element belonging to the OCH network element topological sequence in each OCH path and the occupation state of the OCH path; and/or
Determining an optical path data unit, ODUk, network element topology sequence of the target network, and determining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path and an occupation state of the ODUk path.
2. The method of claim 1, wherein the determining the OCH network element topology sequence of the target network by the preset merging method comprises:
calculating path network element sequences of all OCH paths of the target network;
and merging the path network element sequences of all OCH paths of the target network to obtain an OCH network element topological sequence of the target network.
3. The method of claim 2, wherein the calculating the sequence of pathway network elements of all OCH paths of the target network comprises:
selecting a network element from the target network, and inquiring each OCH path where the selected network element is located;
and determining a path network element sequence of each OCH path according to the OTS layer route of the optical transmission section of each OCH path.
4. The method of claim 2, wherein the merging the sequences of pathway network elements of all OCH paths of the target network to obtain the sequence of OCH network element topologies of the target network comprises:
establishing an OCH network element sequence collection;
comparing a path network element sequence of one OCH path with each network element sequence in the OCH network element sequence aggregation;
if the same part exists between the path network element sequence of the OCH path and a certain network element sequence in the OCH network element sequence set, the sequences of the same part are completely consistent, and the sequences of different parts do not conflict, merging the two network element sequences and then replacing the network element sequence in the OCH network element sequence set;
if the path network element sequence of the OCH path does not have the same part with any network element sequence in the OCH network element sequence set, or the sequences of the same part are different, or the sequences of the different parts conflict, adding the path network element sequence of the OCH path into the OCH network element sequence set;
and merging the network element sequences in the OCH network element sequence aggregation to obtain the OCH network element topological sequence.
5. The method of claim 1, wherein said determining the usage status of the network elements belonging to said OCH network element topology sequence in each OCH path and the occupancy status of said OCH path:
acquiring the use state of a network element belonging to the OCH network element topological sequence in each OCH path by inquiring the local layer route of each OCH path;
and calculating the occupation state of each OCH path according to the capacity of each OCH path and the client layer information.
6. The method of any one of claims 1 to 5, wherein the determining the ODUk network element topology sequence of the target network comprises:
calculating path network element sequences of all ODUk paths of the target network;
merging the path network element sequences of all ODUk paths of the target network to obtain an ODUk network element topology sequence of the target network.
7. The method of claim 6, wherein the calculating a path network element sequence of all ODUk paths of the target network includes:
selecting a network element from the target network, and inquiring each ODUk path where the selected network element is located and the OCH layer route of the ODUk path;
and determining a path network element sequence of each ODUk path according to the sequence of each OCH layer route.
8. The method according to claim 6, wherein the merging the path network element sequences of all ODUk paths of the target network to obtain the ODUk network element topology sequence of the target network includes:
establishing an ODUk network element sequence collection;
comparing a path network element sequence of an ODUk path with each network element sequence in the ODUk network element sequence aggregate;
if the path network element sequence of the ODUk path and a certain network element sequence in the ODUk network element sequence set have the same part, the sequences of the same part are completely consistent, and the sequences of different parts do not conflict, merging the two network element sequences and then replacing the network element sequence in the ODUk network element sequence set;
if the path network element sequence of the ODUk path does not have the same part as any network element sequence in the ODUk network element sequence set, or the sequences of the same part are different, or the sequences of different parts conflict, adding the path network element sequence of the ODUk path into the ODUk network element sequence set;
and merging the network element sequences in the ODUk network element sequence aggregation to obtain the ODUk network element topology sequence.
9. The method according to any one of claims 1 to 5, wherein the determining the usage state of the network element belonging to the ODUk network element topology sequence in each ODUk path and the occupancy state of the ODUk path includes:
obtaining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path by querying the current layer route of each ODUk path;
and calculating the occupation state of each ODUk path according to the capacity of each ODUk path and the client layer information.
10. The method of claim 1, further comprising:
presenting the topology sequence of the OCH network elements, the use state of each network element and the occupation state of each OCH path; and/or
And presenting the ODUk network element topology sequence, the network element using state and the path occupation state.
11. A channel analysis device is arranged in a network management system of an optical transmission network, and comprises:
the sequence determining module is used for determining an optical channel OCH network element topology sequence of a target network by a preset merging method, and/or determining an optical channel data unit ODUk network element topology sequence of the target network;
a state determining module, configured to determine a usage state of a network element belonging to the OCH network element topology sequence and an occupation state of the OCH path in each OCH path, and/or determine a usage state of a network element belonging to the ODUk network element topology sequence and an occupation state of the ODUk path in each ODUk path.
12. A storage medium having stored thereon an executable program for channel analysis, the executable program when executed by a processor implementing the steps of:
determining an OCH network element topological sequence of an optical access of a target network by a preset merging method, and determining the use state of a network element belonging to the OCH network element topological sequence in each OCH path and the occupation state of the OCH path; and/or
Determining an optical path data unit, ODUk, network element topology sequence of the target network, and determining a use state of a network element belonging to the ODUk network element topology sequence in each ODUk path and an occupation state of the ODUk path.
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