WO2018086410A1

WO2018086410A1 - Method and apparatus for starting optical network service and computer readable storage medium

Info

Publication number: WO2018086410A1
Application number: PCT/CN2017/101713
Authority: WO
Inventors: 李允博; 李晗; 王磊
Original assignee: 中国移动通信有限公司研究院; 中国移动通信集团公司
Priority date: 2016-11-11
Filing date: 2017-09-14
Publication date: 2018-05-17
Also published as: CN108076394B; CN108076394A

Abstract

The present disclosure provides a method and an apparatus for starting an optical network service. The method is applied to a source end optical transport network (OTN) device node, and comprises: receiving a service starting request sent by a client device; performing service adaptation according to the service starting request to obtain first service overhead information, the first service overhead information recording service attribute information of a service requested in the service starting request; sending the first service overhead information to a service regulation platform; receiving service configuration information of each service processing node on a configured service path that is generated by the service regulation platform by service path configuration according to the service attribute information; and performing service configuration of the source end node according to the service configuration information.

Description

Method and device for opening optical network service and computer readable storage medium

Cross-reference to related applications

The present application claims priority to Chinese Patent Application No. 20161099586, filed on Jan.

Technical field

The present disclosure relates to the field of transmission and IP technologies, and in particular, to a method and apparatus for opening an optical network service and a computer readable storage medium.

Background technique

At present, the granules of the optical network bearer service are increased from GE (Gigabit Ethernet) and 10GE to 100GE or even 400GE. In order to achieve effective carrying of large-grain services, an optical hybrid OTN (Optical Transport Network) technology is introduced. The networking application based on the ODUk (Optical channel data unit) and the optical wavelength-based networking application are organically combined to take advantage of the wavelength/sub-wavelength cross-connect function to provide transmission for the customer signal. Reuse, exchange, monitor, and protect recovery. The optical layer completes the intersection of the large granularity service, and the electrical layer completes the aggregation multiplexing of the small granularity service and the electrical relaying of the service requiring the electrical relaying.

Since the opto-electric hybrid OTN device combines two separate technologies: electrical layer crossing and optical layer crossing, configuring an end-to-end service needs to be performed at two levels, first configuring the path in the optical layer, and then in the electrical layer. The service is adapted to the configured optical path. In the optical layer, the line port of the wavelength used by the source end is selected by the control platform, and the cross-connection instruction is issued. After the optical path is arranged in the selected direction in the optical cross-matrix, the processing method of the intermediate node needs to be manually determined. This will result in a longer service opening time.

Therefore, as the number of access services increases, the optical network service provisioning process in the related technologies affects the service opening time.

Summary of the invention

The purpose of the technical solution of the present disclosure is to provide a method and device for opening an optical network service and calculating The machine-readable storage medium solves the problem that the opening of the optical network service in the related art requires manual determination of the intermediate node, resulting in a long service opening time.

The disclosure provides a method for opening an optical network service, which is applied to a source optical transport network OTN device node, where the method includes:

Receiving a service provisioning request sent by the client device;

Performing service adaptation according to the service provisioning request, and obtaining first service cost information, where the service attribute information of the service requested in the service provisioning request is recorded in the first service cost information;

Sending the first service cost information to the service management platform;

Receiving, by the service management platform, the service path configuration according to the service attribute information, and generating service configuration information of each service processing node on the configured service path;

Performing service configuration as a source end node according to the service configuration information.

Optionally, the method as described above, wherein the step of performing service configuration as a source end node according to the service configuration information includes:

Writing the service configuration information to the first service overhead information to obtain second service overhead information;

And the second service overhead information is electrically cross-connected to the corresponding line port according to the service configuration information in the second service cost information;

And configuring, according to the service configuration information in the second service overhead information, the second service overhead information on the corresponding line port to the corresponding line interface direction by using an optical cross unit;

Sending the second service overhead information to the next service processing node;

The service configuration information includes: when the service overhead information is cross-connected to the corresponding line port by the power, the information of the corresponding line port connected, and the direction of the corresponding line interface when the optical line crosses the corresponding line port to the corresponding line interface direction Information.

Optionally, in the foregoing method, the step of performing service adaptation according to the service provisioning request to obtain first service overhead information:

And in the process of performing service adaptation according to the service provisioning request, the service attribute information is written into a reserved byte in the service cost information to be generated, and the first service cost information is obtained;

The service attribute information includes source node information and sink node information.

Optionally, the method of the foregoing, wherein the step of writing the service attribute information into a reserved byte in the service cost information to be generated, and writing the service attribute information into the service cost information to be generated The RES byte in .

Optionally, the method described above, wherein the process of performing service adaptation according to the service provisioning request includes:

And adapting the service requested in the service provisioning request to an optical channel payload unit OPU information corresponding to the request service;

The corresponding optical channel payload unit OPU information is adapted to the corresponding optical channel data unit ODU information, and the service overhead information to be generated is obtained.

The disclosure also provides another method for opening an optical network service, which is applied to a service management platform, where the method includes:

Receiving the service overhead information sent by the OTN device node of the source optical transport network, where the service overhead information is obtained by the source OTN device node after receiving the service provisioning request sent by the client device, according to the service provisioning request, and obtaining The service attribute information records the service attribute information of the service requested by the service provisioning request;

Performing service path configuration according to the service attribute information, and generating service configuration information of each service processing node on the configured service path;

Sending the service configuration information to the source OTN device node.

Optionally, the method described above, wherein the step of generating service configuration information of each service processing node on the configured service path is:

The service configuration information corresponding to the source OTN device node, the intermediate OTN device node, and the sink OTN device node is generated on the configured service path.

For the source OTN device node in the service processing node, the generated service configuration information includes: when the service overhead information is cross-connected to the corresponding line port, the information of the connected line port and the optical crossover configure the corresponding line port. When the direction of the corresponding line interface is reached, the information of the corresponding line interface direction is configured;

The generated service configuration information for the intermediate OTN device node in the service processing node The configuration information includes: configuration information for performing optical cross-through; or configuration information for performing electrical relaying by optical cross-off to electrical cross-matrix;

For the sink OTN device node in the service processing node, the generated service configuration information includes: information that the optical crossover schedules the line interface to the electrical cross-adaptation, where the scheduled line interface is; and the electrical crossover The information of the connected branch interface when the line interface is cross-connected to the branch interface.

The disclosure also provides another method for opening an optical network service, which is applied to an intermediate OTN device node, where the method includes:

Receiving service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the intermediate OTN device node;

Performing a service configuration as an intermediate node according to the service configuration information.

Optionally, the method of the foregoing, wherein the step of performing a service configuration as an intermediate node according to the service configuration information includes:

Reading the service configuration information in the service cost information;

When the content of the service configuration information is the configuration information that needs to be optically cross-connected, the service overhead information is directly transmitted to the next service processing node through the optical layer;

When the content of the service configuration information is configured to be electrically relayed by the optical cross-off to the electrical cross-matrix, the service overhead information is passed through the optical layer and enters the electrical cross-matrix for regenerative relay;

Transmitting the service overhead information of the regenerative relay to the next service processing node.

The disclosure further provides another method for opening an optical network service, which is applied to a sink OTN device node, where the method includes:

Receiving service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the sink OTN device node;

Performing a service configuration as a sink node according to the service configuration information.

Optionally, the method of the foregoing, wherein the step of performing a service configuration as a sink node according to the service configuration information includes:

Reading the service configuration information in the service cost information;

And causing the optical cross unit to cross the service overhead information to the corresponding according to the service configuration information Line interface, and the corresponding line interface is adapted to the electrical cross unit, and is connected to the electrical cross unit;

And, according to the service configuration information, causing the electrical cross unit to cross the service overhead information to the corresponding branch interface;

Recovering the service overhead information in the corresponding branch interface;

The service configuration information includes: information that the optical cross unit arranging the corresponding line interface to be adapted to the electrical cross unit, wherein the corresponding line interface is scheduled; and the electrical cross unit cross connects the corresponding line interface to the corresponding branch The information of the corresponding branch interface to which the interface is connected.

The present disclosure further provides an apparatus for opening an optical network service, which is applied to a source optical transport network OTN device node, where the apparatus includes:

a request receiving module, configured to receive a service provisioning request sent by the client device;

An adaptation module, configured to perform service adaptation according to the service provisioning request, to obtain first service cost information, where the service attribute information of the service requested in the service provisioning request is recorded in the first service cost information;

a first sending module, configured to send the first service cost information to a service management platform;

a first receiving module, configured to receive, by the service management platform, a service path configuration according to the service attribute information, and generate service configuration information of each service processing node on the configured service path;

The first configuration module is configured to perform service configuration as a source end node according to the service configuration information.

Optionally, the device described above, wherein the first configuration module comprises:

An information processing unit, configured to write the service configuration information into the first service overhead information, to obtain second service overhead information;

The first configuration unit is configured to electrically cross connect the second service overhead information to the corresponding line port according to the service configuration information in the second service overhead information;

a second configuration unit, configured to configure the second service overhead information on the corresponding line port to the corresponding line interface direction by using an optical cross unit according to the service configuration information in the second service overhead information;

a first information sending unit, configured to send the second service overhead information to a next service processing node;

The service configuration information includes: the service overhead information is cross-connected to the corresponding line by electricity. When the port is connected, the information of the corresponding line port is configured, and the information of the corresponding line interface direction is configured when the optical line crosses the corresponding line port to the corresponding line interface direction.

Optionally, the device, where the adaptation module is configured to: write the service attribute information into the service cost information to be generated in the process of performing service adaptation according to the service provisioning request. Reserving bytes, obtaining the first service overhead information;

Optionally, the device, where the adaptation module writes the service attribute information into a to-be-generated service when the service attribute information is written into a reserved byte in the service overhead information to be generated. The RES byte in the overhead information.

Optionally, the device described above, wherein the adaptation module comprises:

a first adaptation unit, configured to adapt the service requested in the service provisioning request to an optical channel payload unit OPU information corresponding to the request service;

The second adaptation unit is configured to adapt the corresponding optical channel payload unit OPU information to the corresponding optical channel data unit ODU information, and obtain the service overhead information to be generated.

The disclosure further provides another device for opening an optical network service, which is applied to a service management platform, where the device includes:

The second receiving module is configured to receive the service overhead information sent by the OTN device node of the source optical transport network, where the service overhead information is that after the source OTN device node receives the service provisioning request sent by the client device, the service provisioning request is performed according to the service Performing adaptation, and the service attribute information records the service attribute information of the service requested by the service provisioning request;

a second configuration module, configured to perform service path configuration according to the service attribute information, and generate service configuration information of each service processing node on the configured service path;

The second sending module is configured to send the service configuration information to the source OTN device node.

Optionally, the foregoing device, where the second configuration module is configured to generate a corresponding service source OTN on the configured service path when generating service configuration information of each service processing node on the configured service path. Service configuration information of the device node, the intermediate OTN device node, and the sink OTN device node.

Optionally, the device, where the second configuration module, when generating the service configuration information of each service processing node on the configured service path, specifically includes:

For the intermediate OTN device node in the service processing node, the generated service configuration information includes: configuration information for performing optical cross-through, or configuration information for performing electrical relaying by optical cross-off to the electrical cross-matrix;

The present disclosure also provides another apparatus for opening an optical network service, which is applied to an intermediate OTN device node, where the device includes:

The third receiving module is configured to receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the intermediate OTN device node;

The third configuration module is configured to perform a service configuration as an intermediate node according to the service configuration information.

Optionally, the device described above, wherein the third configuration module comprises:

a first reading unit, configured to read the service configuration information in the service cost information;

a third configuration unit, configured to directly transmit the service overhead information to a next service processing node by using an optical layer when the content of the service configuration information is configured to be optically cross-connected;

a fourth configuration unit, configured to: when the content of the service configuration information is configured to be electrically relayed by the optical cross-off to the electrical cross-matrix, the service overhead information is entered into the optical layer through the optical layer The cross matrix is used for regenerative relaying;

The second information sending unit is configured to transmit the service overhead information for performing the regenerative relay to the next service processing node.

The disclosure also provides another device for opening an optical network service, which is applied to a sink OTN device node, Wherein the device comprises:

The fourth receiving module is configured to receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the sink OTN device node;

The fourth configuration module is configured to perform service configuration as a sink node according to the service configuration information.

Optionally, the device described above, wherein the fourth configuration module comprises:

a second reading unit, configured to read the service configuration information in the service cost information;

a fifth configuration unit, configured to enable the optical cross unit to cross the service overhead information to the corresponding line interface according to the service configuration information, and schedule the corresponding line interface to be matched with the electrical cross unit, and access the electrical cross unit;

a sixth configuration unit, configured to enable the electrical cross unit to cross the service overhead information to the corresponding branch interface according to the service configuration information;

a restoring unit, configured to restore the service overhead information in the corresponding branch interface;

The present disclosure also provides another apparatus for optical network service provisioning, applied to a source optical transport network OTN device node, wherein the apparatus includes: a processor and a memory for storing a computer program capable of running on the processor, The step of the method for applying the optical network service provisioning applied to the OTN device node of the source optical transport network when the processor is used to run the computer program.

The present disclosure also provides another apparatus for enabling optical network services to be applied to a service management platform, wherein the apparatus includes: a processor and a memory for storing a computer program executable on the processor, wherein the processing The steps of the method for performing the above-mentioned optical network service provisioning applied to the service management platform when the computer program is run.

The present disclosure also provides another apparatus for optical network service provisioning, applied to an intermediate OTN device node, wherein the apparatus includes: a processor and a memory for storing a computer program executable on the processor, wherein The step of the method for applying the optical network service provisioning applied to the intermediate OTN device node is performed by the processor when the computer program is executed.

The present disclosure also provides another apparatus for optical network service provisioning, applied to a sink OTN device node, wherein the apparatus includes: a processor and a memory for storing a computer program executable on the processor, wherein When the processor is configured to run the computer program, the step of the method for applying the optical network service to the sink OTN device node is performed.

The embodiment of the present disclosure further provides a computer readable storage medium, where the computer program is stored, wherein when the computer program is executed by the processor, the optical network service applied to the OTN device node of the source optical transmission network is implemented. The steps of the method.

The embodiment of the present disclosure further provides another computer readable storage medium having stored thereon a computer program, wherein the computer program is executed by the processor to implement the steps of the method for applying the optical network service to the service management platform.

The embodiment of the present disclosure further provides another computer readable storage medium having stored thereon a computer program, wherein the computer program is executed by the processor to implement the steps of the method for applying the optical network service to the intermediate OTN device node. .

The embodiment of the present disclosure further provides another computer readable storage medium having stored thereon a computer program, wherein the computer program is executed by the processor to implement the method for applying the optical network service to the sink OTN device node. step.

At least one of the above technical solutions of the specific embodiments of the present disclosure has the following beneficial effects:

According to the method of the embodiment of the present disclosure, the source OTN device node adds the service attribute information of the requested service according to the service provisioning request sent by the client, and the service management platform can identify the service attribute information and perform the service path. The configuration is to associate the electrical layer processing and the optical layer processing in each service processing node to generate service configuration information, and send the information to the source OTN device node, and the source OTN device node can perform the service configuration information according to the service configuration information. As the service configuration of the source node, and the service cost information transmitted in the service configuration, the service configuration information is transmitted to the next service processing node, so that each service processing node separately according to the service overhead information transmitted in each service processing node The service configuration information recorded in the network automatically completes the service configuration, and realizes the one-to-one opening of the service end-to-end, avoids the hierarchical setting and the manual setting process in the related technologies, and can ensure the high efficiency of the service opening.

DRAWINGS

1 is a flow chart showing a method for opening an optical network service according to a first embodiment of the present disclosure;

2 shows a system architecture diagram of an optical network service;

3 is a flowchart showing a method for opening an optical network service according to a second embodiment of the present disclosure;

4 is a flowchart showing a method for opening an optical network service according to a third embodiment of the present disclosure;

FIG. 5 is a flowchart of a method for opening an optical network service according to a fourth embodiment of the present disclosure;

6 is a structural diagram of an apparatus for opening an optical network service according to a first embodiment of the present disclosure;

FIG. 7 is a structural diagram of an apparatus for opening an optical network service according to a second embodiment of the present disclosure;

8 is a structural diagram of an apparatus for opening an optical network service according to a third embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of an apparatus for opening an optical network service according to a fourth embodiment of the present disclosure.

detailed description

The technical problems, the technical solutions, and the advantages of the embodiments of the present disclosure will become more apparent from the following detailed description.

The method for opening an optical network service in the first embodiment of the present disclosure is applied to an OTN device node of a source optical transport network. As shown in FIG. 1 , the method includes:

Step S110: Receive a service provisioning request sent by the client device.

Step S120: Perform service adaptation according to the service provisioning request, and obtain first service cost information, where the service attribute information of the service requested in the service provisioning request is recorded in the first service cost information;

Specifically, the service attribute information recorded in the first service cost information includes source node information and sink node information, and optionally includes delay requirements and other attribute information used to implement end-to-end connection of the optical network service. .

Step S130, sending the first service cost information to the service management platform;

Step S140: The service management platform receives the service path configuration according to the service attribute information, and generates service configuration information of each service processing node on the configured service path.

Specifically, the service management platform performs service path configuration according to the service attribute information in the first service cost information sent by the source OTN device node, and generates service configuration information of each service processing node on the configured service path, which includes the generation Configure service configuration information on the service path corresponding to the source OTN device node, the intermediate OTN device node, and the sink OTN device node.

Step S150: Perform service configuration as a source end node according to the service configuration information.

In the method of the optical network service provisioning, the source OTN device node adds the service attribute information of the requested service according to the service provisioning request sent by the client, and the service management platform can identify the service attribute information and perform the service attribute information. The service path is configured to associate the electrical layer processing and the optical layer processing in each service processing node to generate service configuration information. After being sent to the source OTN device node, the source OTN device node can be configured according to the service. The information is transmitted as a service configuration of the source node, and the service configuration information is transmitted to the next service processing node through the service overhead information transmitted in the service configuration, so that each service processing node separately transmits the service according to each service processing node. The service configuration information recorded in the overhead information automatically completes the service configuration.

Therefore, in the process of opening the optical network service, only the source OTN device node needs to add the service attribute information in the service cost information formed by the adaptation process according to the service provisioning request, and each service processing node can automatically complete the service. The configuration process realizes one-click opening of the business end-to-end, avoids the hierarchical setting and manual setting process in the related technology, and can ensure the high efficiency of service opening.

Specifically, in step S120, the step of performing service adaptation according to the service provisioning request to obtain first service overhead information is:

And in the process of performing the service adaptation according to the service provisioning request, the service attribute information is written into the reserved byte in the service cost information to be generated, and the first service cost information is obtained;

In addition, in the step of writing the service attribute information into the reserved byte in the service overhead information to be generated, the service attribute information is written into the RES byte in the service overhead information to be generated. Of course, the service attribute information is not limited to being written only in the RES byte, and it is also possible to write other reserved bytes that do not affect the service overhead information.

Further, the foregoing process for performing service adaptation according to the service provisioning request includes:

Specifically, the step S150, the step of performing the service configuration as the source end node according to the service configuration information includes:

During the service configuration process of the source OTN device node, the optical cross-unit operates by reading the service configuration information in the second service cost information, and the service configuration process can be automatically completed, and the instruction of the service management platform is no longer needed.

The service processing procedure of the source OTN device node is described in detail below by taking the application of the 100GE end-to-end connection as an example in the service provisioning request sent by the client device.

2 is a system architecture diagram of an optical network service, including multiple OTN device nodes (such as nodes A to Z) and a service management platform 100, with node A as the source OTN device node and node Z as the sink OTN device. A node is taken as an example to describe a service processing process of each service processing node when the method in the embodiment of the present disclosure is used. For the node A, the method according to the embodiment of the present disclosure includes the following steps:

Receiving a service provisioning request sent by the client device, where the service provisioning request includes information that the 100G service needs to be activated;

Performing the first adaptation, adapting the requested 100G service to one OPU4 information, and then performing the second adaptation, adapting the OPU4 information into one ODU4 information, wherein in the second adaptation process, the The service attribute information of the request service is written into a reserved byte that is not defined in the ODU4 information, such as the RES byte in the ODUk, and the service adaptation process is completed, and the first service overhead information is obtained;

According to the above, the service attribute written in the first service cost information in the foregoing service adaptation process The information includes source node information, sink node information, and delay requirements.

Sending the foregoing first service cost information to the service management platform 100, so that the service management platform identifies the service attribute information in the first service cost information, performs service path configuration, and generates service configuration information of each service processing node on the configured service path. ;

Receiving the service configuration information sent by the service management platform 100, and writing the received service configuration information into the RES byte of the ODU4 information, to obtain the updated ODU4 information, that is, the second overhead information; wherein the updated ODU4 information The recorded service configuration information will be transmitted in the entire optical network service, and the electrical layer and the optical layer are associated with each other, and become the basis for instructing the intermediate service processing node and the sink node to perform service configuration operations;

Further, the updated ODU4 information is electrically cross-connected to the corresponding line port according to the service configuration information sent by the service management platform 100;

After the optical interleaving unit can identify the service configuration information included in the RES byte of the corresponding line port, the optical cross unit can configure the corresponding optical path to the corresponding line interface direction by reading the service configuration information.

Finally, the updated ODU4 information (ie, the second service overhead information) is sent to the next service processing node.

In addition, the service configuration information configured by the service management platform 100 for the source end section includes: when the service overhead information is cross-connected to the corresponding line port by electricity, the information of the connected line port and the optical crossover configure the corresponding line port to the corresponding line interface. When direction is set, the information of the corresponding line interface direction is configured. Through the above process, by reading the service configuration information in the RES byte, the source OTN device node can automatically complete the service configuration process as the source node.

The disclosure also provides a method for opening an optical network service in the second embodiment, which is applied to a service management platform. As shown in FIG. 3, the method includes the following steps:

S310. Receive service overhead information sent by the OTN device node of the source optical transport network. The service overhead information is obtained by the source OTN device node after receiving the service provisioning request sent by the client device, and obtaining the service cost information according to the service provisioning request. Recording the business attribute information of the service requested by the service provisioning request;

S320, performing service path configuration according to the service attribute information, and generating service configuration information of each service processing node on the configured service path;

S330. Send service configuration information to the source OTN device node.

Specifically, in the foregoing step S320, in the step of generating service configuration information of each service processing node on the configured service path:

In addition, in step S320, in the step of generating service configuration information of each service processing node on the configured service path:

For the source OTN device node in the service processing node, the generated service configuration information includes: when the service overhead information is cross-connected to the corresponding line port, the information of the connected line port and the optical crossover configure the corresponding line port to corresponding When the line interface direction is set, the information of the corresponding line interface direction is configured;

For the sink OTN device node in the service processing node, the generated service configuration information includes: information that the optical interface crosses the line interface to the electrical cross-adaptation, where the line interface is scheduled; and the electrical cross crosses the line interface Information about the tributary interface connected to it when connected to the tributary interface.

In the above manner, the service management platform optimizes the service path because the service management platform performs the service path configuration calculation based on the entire network resources.

With reference to FIG. 2, after receiving the service overhead information sent by the node A, the service management platform 100 reads the service attribute information in the RES byte, completes the service path configuration, and generates corresponding node A (source end node) and node B respectively. Service configuration information for C, D, and E (intermediate nodes) and node Z.

The disclosure also provides a method for opening an optical network service in the third embodiment, which is applied to an intermediate OTN device node. Referring to FIG. 4, the method includes the following steps:

S410: Receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the intermediate OTN device node;

S420: Perform service configuration as an intermediate node according to service configuration information.

Specifically, in the above step S420, the performing as the intermediate section according to the service configuration information The steps of the point of business configuration include:

Reading service configuration information in the service overhead information;

When the content of the service configuration information is the configuration information that needs to be electrically relayed by the optical cross-off to the electrical cross-matrix, the service overhead information is passed through the optical layer to enter the electrical cross-matrix for regenerative relay;

Through the method described in the foregoing embodiment, the intermediate OTN device node can automatically complete the service configuration process by reading the service configuration information in the service cost information.

With reference to FIG. 2, the foregoing method of the third embodiment can be applied to the nodes B, C, D, and E. Each processing node receives the service cost information from the previous node, and the service management information includes the corresponding service management platform 100. Process the service configuration information configured by the node.

In the corresponding service processing node, the service overhead information of the previous node is first processed into the optical layer, and the optical layer device can read the service configuration information included in the RES byte from the service overhead information for processing: specifically, According to the service configuration information, if the configured recording content is that electrical relaying is not required, that is, optical cross-through is performed, the service overhead information is directly transmitted to the next service processing node through the optical layer; The information, if the recorded content needs to be electrically regenerated, the service overhead information is passed through the optical layer and enters the electrical cross matrix for regenerative relay.

The service configuration information included in the RES byte is configured by the service management platform 100 for each intermediate node, and the configured service configuration information may be different for different intermediate nodes. In the above manner, each intermediate node sequentially completes the corresponding service configuration until the optical path is transmitted to the sink node.

In the above process, since the intermediate nodes read the service configuration information according to the RES bytes of the service overhead information sent from the previous node device, and perform corresponding service processing operations, the instructions of the service management platform are no longer needed.

The present disclosure further provides a method for opening an optical network service according to the fourth embodiment, which is applied to a sink OTN device node. Referring to FIG. 5, the method includes the following steps:

S510: Receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the sink OTN device node;

S520. Perform service configuration as a sink node according to service configuration information.

Specifically, in the foregoing step S520, the step of performing service configuration as a sink node according to the service configuration information includes:

Reading the service configuration information in the service cost information;

And, according to the service configuration information, causing the optical cross unit to cross the service overhead information to the corresponding line interface, and scheduling the corresponding line interface to be matched with the electrical cross unit, and accessing the electrical cross unit;

Through the method described in the foregoing embodiment, the sink OTN device node can automatically complete the service configuration process by reading the service configuration information in the service cost information, and the instruction of the service management platform is no longer needed.

With reference to FIG. 2, the method described in the fourth embodiment is applied to the node Z. When the node Z receives the service overhead information (ie, ODU4) sent by the previous node, the optical cross unit reads the service configuration information in the service overhead information RES byte. And intersecting the service overhead information to the corresponding line port, scheduling the corresponding line interface to be adapted to the electrical cross unit, and accessing the electrical cross unit; the electrical cross unit crossing the ODU4 to the corresponding branch according to the service configuration information in the RES byte The interface is converted into an OPU4 signal, and then restored to a 100G service, thereby completing the transmission of the 100G service signal.

Another embodiment of the present disclosure provides an apparatus for opening an optical network service, which is applied to a source optical transport network OTN device node. Referring to FIG. 6, the apparatus includes:

With the device in the foregoing embodiment, the source OTN device node adds the service attribute information of the requested service according to the service provisioning request sent by the client, and the service management platform can identify the service attribute information and configure the service path. The association between the electrical layer processing and the optical layer processing in each service processing node is performed to generate the service configuration information, and after being sent to the source OTN device node, the source OTN device node can perform the operation according to the service configuration information. The service configuration of the source node and the service cost information transmitted in the service configuration are used to transmit the service configuration information to the next service processing node, so that each service processing node is respectively based on the service overhead information transmitted in each service processing node. The recorded service configuration information automatically completes the service configuration.

Therefore, in the process of opening the optical network service, only the source OTN device node needs to add the service attribute information in the service cost information formed by the adaptation process according to the service provisioning request, and each service processing node can automatically complete the service. The configuration process realizes the one-to-one opening of the business end-to-end, avoids the hierarchical setting and manual setting process of the prior art, and can ensure the high efficiency of the service opening.

According to FIG. 6, optionally, the first configuration module includes:

In addition, the adaptation module is specifically configured to: in the process of performing service adaptation according to the service provisioning request, write the service attribute information into a reserved byte in the service cost information to be generated, to obtain the a business overhead information;

Optionally, when the service attribute information is written into the reserved byte in the service overhead information to be generated, the adaptation module writes the service attribute information into the RES byte in the service overhead information to be generated.

According to FIG. 6, the adaptation module comprises:

A further embodiment of the present disclosure provides an apparatus for opening an optical network service, which is applied to a service management platform. According to FIG. 7, the apparatus includes:

Optionally, when the second configuration module generates service configuration information of each service processing node on the configured service path, the second configuration module is specifically configured to generate a corresponding source OTN device node, an intermediate OTN device node, and Service configuration information of the OTN device node.

Optionally, when the second configuration module generates service configuration information of each service processing node on the configured service path, the method includes:

Another embodiment of the present disclosure provides an apparatus for opening an optical network service, which is applied to an intermediate OTN device node. According to FIG. 8, the apparatus includes:

Optionally, according to FIG. 8, the third configuration module includes:

In the above process, each intermediate node is based on the service overhead information sent from the previous node device. The service configuration information is read in the RES byte, and the corresponding service processing operation is performed, so the instruction of the service management platform is no longer needed.

A further embodiment of the present disclosure provides an apparatus for opening an optical network service, which is applied to a sink OTN device node, wherein, according to FIG. 9, the device includes:

The fourth receiving module is configured to receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the intermediate OTN device node;

Optionally, referring to FIG. 9, the fourth configuration module includes:

Through the device in the foregoing embodiment, the OTN device node can automatically complete the service configuration process by reading the service configuration information in the service cost information, and the instruction of the service management platform is no longer needed.

Embodiments of the present disclosure also provide an apparatus for optical network service provisioning, including: a processor and a memory for storing a computer program executable on a processor, wherein when the processor is configured to run the computer program, The functions of the modules/units in each device and corresponding method embodiments are performed.

Here, the processor may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be through an integrated logic circuit of hardware in the processor or The instructions in the form of software are completed. The above described processor may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like. The processor may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present disclosure. A general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present disclosure may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium, the storage medium being located in the memory, the processor reading the information in the memory, and completing the steps of the foregoing methods in combination with the hardware thereof.

Embodiments of the present disclosure also provide a computer readable storage medium, such as a memory including a computer program executable by the processor described above to perform the foregoing method. The computer readable storage medium may be a magnetic random access memory (FRAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), and an erasable memory. Erasable Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Flash Memory, Magnetic Surface Memory, Optical Disc Or a memory such as a CD-ROM (Compact Disc Read-Only Memory); or a device including one or any combination of the above memories.

In the several embodiments provided by the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other manners. The device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.

The units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present disclosure.

In addition, each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the above integration The unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to the program instructions. The foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing storage medium includes: a removable storage device, a ROM, a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.

Alternatively, the above-described integrated unit of the present disclosure may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present disclosure may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions for making A computer device (which may be a personal computer, server, or network device, etc.) performs all or part of the methods described in various embodiments of the present disclosure. The foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a ROM, a RAM, a magnetic disk, or an optical disk.

The above is an alternative embodiment of the present disclosure, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present disclosure. It should also be considered as the scope of protection of the present disclosure.

Claims

A method for opening an optical network service is applied to an OTN device node of a source optical transport network, where the method includes:

Receiving a service provisioning request sent by the client device;

Performing service adaptation according to the service provisioning request, and obtaining first service cost information, where the service attribute information of the service requested in the service provisioning request is recorded in the first service cost information;

Sending the first service cost information to the service management platform;

Receiving, by the service management platform, the service path configuration according to the service attribute information, and generating service configuration information of each service processing node on the configured service path;

Performing service configuration as a source end node according to the service configuration information.
The method for the provisioning of the optical network service according to claim 1, wherein the step of performing the service configuration as the source end node according to the service configuration information comprises:

Writing the service configuration information to the first service overhead information to obtain second service overhead information;

And the second service overhead information is electrically cross-connected to the corresponding line port according to the service configuration information in the second service cost information;

And configuring, according to the service configuration information in the second service overhead information, the second service overhead information on the corresponding line port to the corresponding line interface direction by using an optical cross unit;

Sending the second service overhead information to the next service processing node;

The service configuration information includes: when the service overhead information is cross-connected to the corresponding line port by the power, the information of the corresponding line port connected, and the direction of the corresponding line interface when the optical line crosses the corresponding line port to the corresponding line interface direction Information.
The method for opening an optical network service according to claim 1, wherein the step of performing service adaptation according to the service provisioning request to obtain first service overhead information is:

And in the process of performing service adaptation according to the service provisioning request, the service attribute information is written into a reserved byte in the service cost information to be generated, and the first service cost information is obtained;

The service attribute information includes source node information and sink node information.
The method for opening an optical network service according to claim 3, wherein the step of writing the service attribute information into a reserved byte in the service overhead information to be generated, and writing the service attribute information to be generated RES byte in the business overhead information.
The method for opening an optical network service according to claim 3, wherein the process of performing service adaptation according to the service provisioning request comprises:

And adapting the service requested in the service provisioning request to an optical channel payload unit OPU information corresponding to the request service;

The corresponding optical channel payload unit OPU information is adapted to the corresponding optical channel data unit ODU information, and the service overhead information to be generated is obtained.
A method for opening an optical network service is applied to a service management platform, where the method includes:

Receiving the service overhead information sent by the OTN device node of the source optical transport network, where the service overhead information is obtained by the source OTN device node after receiving the service provisioning request sent by the client device, according to the service provisioning request, and obtaining The service attribute information records the service attribute information of the service requested by the service provisioning request;

Performing service path configuration according to the service attribute information, and generating service configuration information of each service processing node on the configured service path;

Sending the service configuration information to the source OTN device node.
The method for opening an optical network service according to claim 6, wherein the step of generating service configuration information of each service processing node on the configured service path is:

The service configuration information corresponding to the source OTN device node, the intermediate OTN device node, and the sink OTN device node is generated on the configured service path.
The method for opening an optical network service according to claim 6 or 7, wherein the step of generating service configuration information of each service processing node on the configured service path is:

For the source OTN device node in the service processing node, the generated service configuration information includes: when the service overhead information is cross-connected to the corresponding line port, the information of the connected line port and the optical crossover configure the corresponding line port. When the direction of the corresponding line interface is reached, the information of the corresponding line interface direction is configured;

The generated service configuration information for the intermediate OTN device node in the service processing node The configuration information includes: configuration information for performing optical cross-through; or configuration information for performing electrical relaying by optical cross-off to electrical cross-matrix;

For the sink OTN device node in the service processing node, the generated service configuration information includes: information that the optical crossover schedules the line interface to the electrical cross-adaptation, where the scheduled line interface is; and the electrical crossover The information of the connected branch interface when the line interface is cross-connected to the branch interface.
A method for opening an optical network service is applied to an intermediate OTN device node, where the method includes:

Receiving service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the intermediate OTN device node;

Performing a service configuration as an intermediate node according to the service configuration information.
The method for opening an optical network service according to claim 9, wherein the step of performing service configuration as an intermediate node according to the service configuration information comprises:

Reading the service configuration information in the service cost information;

When the content of the service configuration information is the configuration information that needs to be optically cross-connected, the service overhead information is directly transmitted to the next service processing node through the optical layer;

When the content of the service configuration information is configured to be electrically relayed by the optical cross-off to the electrical cross-matrix, the service overhead information is passed through the optical layer and enters the electrical cross-matrix for regenerative relay;

Transmitting the service overhead information of the regenerative relay to the next service processing node.
A method for opening an optical network service is applied to a sink OTN device node, where the method includes:

Receiving service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the sink OTN device node;

Performing a service configuration as a sink node according to the service configuration information.
The method for opening an optical network service according to claim 11, wherein the step of performing a service configuration as a sink node according to the service configuration information comprises:

Reading the service configuration information in the service cost information;

And causing the optical cross unit to cross the service overhead information to the corresponding according to the service configuration information Line interface, and the corresponding line interface is adapted to the electrical cross unit, and is connected to the electrical cross unit;

And, according to the service configuration information, causing the electrical cross unit to cross the service overhead information to the corresponding branch interface;

Recovering the service overhead information in the corresponding branch interface;

The service configuration information includes: information that the optical cross unit arranging the corresponding line interface to be adapted to the electrical cross unit, wherein the corresponding line interface is scheduled; and the electrical cross unit cross connects the corresponding line interface to the corresponding branch The information of the corresponding branch interface to which the interface is connected.
A device for opening an optical network service is applied to a source optical transport network OTN device node, where the device includes:

a request receiving module, configured to receive a service provisioning request sent by the client device;

An adaptation module, configured to perform service adaptation according to the service provisioning request, to obtain first service cost information, where the service attribute information of the service requested in the service provisioning request is recorded in the first service cost information;

a first sending module, configured to send the first service cost information to a service management platform;

a first receiving module, configured to receive, by the service management platform, a service path configuration according to the service attribute information, and generate service configuration information of each service processing node on the configured service path;

The first configuration module is configured to perform service configuration as a source end node according to the service configuration information.
The device for opening an optical network service according to claim 13, wherein the first configuration module comprises:

An information processing unit, configured to write the service configuration information into the first service overhead information, to obtain second service overhead information;

The first configuration unit is configured to electrically cross connect the second service overhead information to the corresponding line port according to the service configuration information in the second service overhead information;

a second configuration unit, configured to configure the second service overhead information on the corresponding line port to the corresponding line interface direction by using an optical cross unit according to the service configuration information in the second service overhead information;

a first information sending unit, configured to send the second service overhead information to a next service processing node;

The service configuration information includes: when the service overhead information is cross-connected to the corresponding line port by the power, the information of the corresponding line port connected, and the direction of the corresponding line interface when the optical line crosses the corresponding line port to the corresponding line interface direction Information.
The device for opening an optical network service according to claim 13, wherein the adaptation module is specifically configured to: write the service attribute information into a service to be generated in a process of performing service adaptation according to the service provisioning request The reserved byte in the overhead information obtains the first service overhead information;

The service attribute information includes source node information and sink node information.
The device for opening an optical network service according to claim 15, wherein the adaptation module writes the service attribute information when the service attribute information is written into a reserved byte in the service overhead information to be generated. The RES byte in the service overhead information to be generated.
The device for opening an optical network service according to claim 15, wherein the adaptation module comprises:

a first adaptation unit, configured to adapt the service requested in the service provisioning request to an optical channel payload unit OPU information corresponding to the request service;

The second adaptation unit is configured to adapt the corresponding optical channel payload unit OPU information to the corresponding optical channel data unit ODU information, and obtain the service overhead information to be generated.
A device for opening an optical network service is applied to a service management platform, where the device includes:

The second receiving module is configured to receive the service overhead information sent by the OTN device node of the source optical transport network, where the service overhead information is that after the source OTN device node receives the service provisioning request sent by the client device, the service provisioning request is performed according to the service Performing adaptation, and the service attribute information records the service attribute information of the service requested by the service provisioning request;

a second configuration module, configured to perform service path configuration according to the service attribute information, and generate service configuration information of each service processing node on the configured service path;

The second sending module is configured to send the service configuration information to the source OTN device node.
The device for opening an optical network service according to claim 18, wherein the second configuration module is configured to generate corresponding service paths respectively when generating service configuration information of each service processing node on the configured service path. Service configuration information of the source OTN device node, the intermediate OTN device node, and the sink OTN device node.
The device for opening an optical network service according to claim 18 or 19, wherein the second configuration module, when generating the service configuration information of each service processing node on the configured service path, specifically includes:

For the source OTN device node in the service processing node, the generated service configuration information includes: when the service overhead information is cross-connected to the corresponding line port, the information of the connected line port and the optical crossover configure the corresponding line port. When the direction of the corresponding line interface is reached, the information of the corresponding line interface direction is configured;

For the intermediate OTN device node in the service processing node, the generated service configuration information includes: configuration information for performing optical cross-through, or configuration information for performing electrical relaying by optical cross-off to the electrical cross-matrix;

For the sink OTN device node in the service processing node, the generated service configuration information includes: information that the optical crossover schedules the line interface to the electrical cross-adaptation, where the scheduled line interface is; and the electrical crossover The information of the connected branch interface when the line interface is cross-connected to the branch interface.
An apparatus for opening an optical network service is applied to an intermediate OTN device node, where the device includes:

The third receiving module is configured to receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the intermediate OTN device node;

The third configuration module is configured to perform a service configuration as an intermediate node according to the service configuration information.
The device for opening an optical network service according to claim 21, wherein the third configuration module comprises:

a first reading unit, configured to read the service configuration information in the service cost information;

a third configuration unit, configured to directly transmit the service overhead information to a next service processing node by using an optical layer when the content of the service configuration information is configured to be optically cross-connected;

a fourth configuration unit, configured to: when the content of the service configuration information is configured to be electrically relayed by the optical cross-off to the electrical cross-matrix, the service overhead information is passed through the optical layer. The next way enters the electrical cross matrix for regenerative relay;

The second information sending unit is configured to transmit the service overhead information for performing the regenerative relay to the next service processing node.
An apparatus for opening an optical network service is applied to a sink OTN device node, where the device includes:

The fourth receiving module is configured to receive service cost information sent by the last OTN device node, where the service cost information includes service configuration information configured by the service management platform corresponding to the sink OTN device node;

The fourth configuration module is configured to perform service configuration as a sink node according to the service configuration information.
The device for opening an optical network service according to claim 23, wherein the fourth configuration module comprises:

a second reading unit, configured to read the service configuration information in the service cost information;

a fifth configuration unit, configured to enable the optical cross unit to cross the service overhead information to the corresponding line interface according to the service configuration information, and schedule the corresponding line interface to be matched with the electrical cross unit, and access the electrical cross unit;

a sixth configuration unit, configured to enable the electrical cross unit to cross the service overhead information to the corresponding branch interface according to the service configuration information;

a restoring unit, configured to restore the service overhead information in the corresponding branch interface;

The service configuration information includes: information that the optical cross unit arranging the corresponding line interface to be adapted to the electrical cross unit, wherein the corresponding line interface is scheduled; and the electrical cross unit cross connects the corresponding line interface to the corresponding branch The information of the corresponding branch interface to which the interface is connected.
An apparatus for enabling an optical network service to be applied to a source optical transport network OTN device node, wherein the apparatus includes: a processor and a memory for storing a computer program executable on the processor, wherein the processing The steps of the method of claims 1 to 5 are performed when the computer program is run.
An apparatus for opening an optical network service, applied to a service management platform, wherein the apparatus includes: a processor and a memory for storing a computer program executable on the processor, wherein the processor is configured to run the Performing the method of claims 6 to 8 in the case of a computer program A step of.
An apparatus for an optical network service to be applied to an intermediate OTN device node, wherein the device comprises: a processor and a memory for storing a computer program executable on the processor, wherein the processor is used to operate The steps of the method of claims 9 to 10 are performed when the computer program is described.
An apparatus for enabling an optical network service to be applied to a sink OTN device node, wherein the device comprises: a processor and a memory for storing a computer program executable on the processor, wherein the processor is configured to run The computer program executes the steps of the method of claims 11 to 12.
A computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the method of claims 1 to 5.
A computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the method of claims 6-8.
A computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the method of claims 9-10.
A computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the method of claims 11-12.