WO2015117411A1

WO2015117411A1 - Service data transmission method and device

Info

Publication number: WO2015117411A1
Application number: PCT/CN2014/089494
Authority: WO
Inventors: 刘敏
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-07-31
Filing date: 2014-10-24
Publication date: 2015-08-13
Also published as: KR20170038870A; CN105323137A; JP2017526262A; KR102257945B1; JP6503449B2; CN105323137B

Abstract

Disclosed are a service data transmission method and device. The method comprises: acquiring service data from an interface at a circuit side, wherein the service data contains interface information about an interface which is labeled by the circuit side and is set to identify and acquire the service data; according to the corresponding relationship between the pre-configured interface information and service label information which is set to identify service data types, stripping the interface information from the service data, and labeling the corresponding service label information, wherein the service data types comprise PTN service data and/or OTN service data; and sending to a system side the service data on which the service label information is labeled. The present invention solves the problem in the related art of being unable to fuse a PTN network and an OTN network device, completes the effective combination of a PTN service and an OTN service, and achieves the efficient and flexible transmission of a borne service in a PTN network and an OTN network.

Description

Business data transmission method and device

Technical field

The present invention relates to the field of communications, and in particular to a method and an apparatus for transmitting service data.

Background technique

With the advancement of all-IP, network packetization has become the trend of network technology evolution. Packet Transport Network (PTN) has emerged as the times require. It is based on packet switching and is connected to the Internet. It provides end-to-end service carrying capacity and solves the problem of connectionless connection in traditional packet transport networks. . As users demand higher bandwidth, packet transmission networks need higher access capabilities. The Optical Transport Network (OTN) can provide huge transmission capacity, fully transparent end-to-end wavelength/sub-wavelength connections, and carrier-grade protection for large-bandwidth broadband services. The current network of the packet transmission network and the optical transmission network are separated. If the network equipments of the two are fused, unified operation, management and maintenance, the cost of the operators will be greatly reduced.

In view of the failure to integrate the PTN network and the OTN network device in the related art, an effective solution has not been proposed yet.

Summary of the invention

The embodiment of the invention provides a method and a device for transmitting service data, so as to at least solve the problem that the PTN network and the OTN network device cannot be merged in the related art.

According to an embodiment of the present invention, a service data transmission method is provided, including: acquiring service data from an interface on a line side, wherein the service data includes, by the line side, setting the identifier to obtain the The interface information of the interface of the service data; the interface information is stripped on the service data according to the correspondence between the pre-configured interface information and the service tag information that is set to identify the service data type, and the corresponding service tag information is marked. The service data type includes a packet transport network PTN service data and/or an optical transport network OTN service data; and the service data that is marked with the service label information is sent to the system side, where the system side strips the service label information And forwarding the service data according to the service data type corresponding to the service tag information.

In the embodiment, before the interface information is stripped on the service data and the corresponding service label information is stripped, according to the correspondence between the pre-configured interface information and the service label information that is set to identify the service data type, the method further includes: Configure the mapping between interface information and service tag information.

In an embodiment, the correspondence between the interface information and the service label information includes at least one of the following: when the interface information is set to identify that the interface that obtains the service data is an Ethernet interface, the corresponding service label information is set as an identifier. The service data type is PTN service data. If the interface information is set to identify that the interface for obtaining the service data is an OTN optical port, the corresponding service tag information is set to identify that the service data type is PTN service data, or is set to The identification service data type is OTN service data, or is set to identify the service data type as PTN service data and OTN service data.

In an embodiment, before acquiring the service data from the interface on the line side, the method further includes: the line side receiving the service data; and the line side marking the service data with the interface information according to the interface that receives the service data .

According to another embodiment of the present invention, a service data transmission method is provided, including: receiving service data from a system side, wherein the service data includes a service data set by the system side, and is configured to identify the service data. Service tag information of a service data type, the service data type including packet transport network PTN service data and/or optical transport network OTN service data; according to pre-configured service tag information and an interface configured to receive the service data Corresponding relationship of the interface information, the service tag information is stripped on the service data, and the corresponding interface information is marked; the service data that is marked with the interface information is sent to the line side, where the line side strips the Interface information, and encapsulating and transmitting the service data according to the interface information.

In an embodiment, the service tag information is stripped on the service data according to the correspondence between the pre-configured service tag information and the interface information that is set to identify the interface that receives the service data, and the corresponding interface information is marked. The method further includes: configuring a correspondence between the service label information and the interface information.

In an embodiment, the correspondence between the service tag information and the interface information includes at least one of the following: in the case that the service tag information is set to identify that the service data type of the service data is OTN service data, corresponding interface information is set. The interface for receiving the service data is an OTN optical port. If the service tag information is set to identify the service data type of the service data as PTN service data, the corresponding interface information is set to identify the service. The interface of the data is an OTN optical port, or an interface that is configured to receive the service data is an Ethernet interface, or an interface that is configured to receive the service data is an OTN optical port and an Ethernet interface.

In an embodiment, before receiving the service data from the system side, the method further includes: the system side acquiring the service data; and the system side, according to the pre-configuration, loading the service tag information with the service tag information.

According to another embodiment of the present invention, there is further provided a service data transmission apparatus, comprising: an acquisition module configured to acquire service data from an interface on a line side, wherein the service data includes a line side by the line side The first identifier conversion module is configured to perform the correspondence between the pre-configured interface information and the service label information that is set to identify the service data type, and the information is set on the service data. Stripping the interface information and marking corresponding service tag information, where the service data type includes packet transport network PTN service data and/or optical transport network OTN service data; and the first sending module is configured to put the service tag information The service data is sent to the system side, where the system side strips the service tag information, and performs service data forwarding according to the service data type corresponding to the service tag information.

According to still another embodiment of the present invention, a service data transmission apparatus is provided, including: a receiving module, configured to receive service data from a system side, wherein the service data is included by the system side, and is set to Identifying service tag information of a service data type of the service data, the service data type includes a packet transport network PTN service data and/or an optical transport network OTN service data; and a second identity conversion module configured to follow a pre-configured service tag The information is set to correspond to the interface information of the interface that receives the service data, and the service tag information is stripped on the service data and the corresponding interface information is marked; the second sending module is configured to be configured with the interface. The service data of the information is sent to the line side, wherein the line side strips the interface information, and encapsulates and transmits the service data according to the interface information.

According to the embodiment of the present invention, the service data is obtained from the interface on the line side, where the service data includes interface information that is set by the line side and is set to identify the interface for acquiring the service data; Corresponding relationship between the interface information and the service tag information that is set to identify the service data type, the interface information is stripped on the service data, and the corresponding service tag information is included, where the service data type includes PTN service data and/or OTN. And the service data is sent to the system side, where the system side strips the service label information, and performs service data forwarding according to the service data type corresponding to the service label information. The method solves the problem that the PTN network and the OTN network device cannot be merged in the related technologies, and the effective combination of the PTN service and the OTN service is completed, and the efficient and flexible transmission of the carried service in the PTN network and the OTN network is realized.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a flowchart of a method for transmitting service data according to an embodiment of the present invention;

2 is a structural block diagram of a service data transmission apparatus according to an embodiment of the present invention;

FIG. 3 is a flowchart of another service data transmission method according to an embodiment of the present invention; FIG.

4 is a structural block diagram of another service data transmission apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of each module of a fusion device according to a preferred embodiment of the present invention; FIG.

6 is a schematic diagram of a subdivision of a fusion device interface in accordance with a preferred embodiment of the present invention;

7 is a schematic diagram of an OTN interface of a fusion device in accordance with a preferred embodiment of the present invention;

8 is a schematic diagram of an Ethernet interface of a fusion device in accordance with a preferred embodiment of the present invention;

9 is a schematic diagram of a fusion device accessing a client Ethernet service interface according to a preferred embodiment of the present invention;

10 is a schematic diagram of an implementation of a converged device in a network as an OTN interface according to a preferred embodiment of the present invention;

11 is a schematic diagram of an implementation of a fused device in a network as an OTN interface and an Ethernet interface according to a preferred embodiment of the present invention;

FIG. 12 is a schematic diagram of an implementation of a converged device in a network as an access client Ethernet service interface according to a preferred embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

In this embodiment, a service data transmission method is provided. FIG. 1 is a flowchart of a service data transmission method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps:

Step S102: Obtain service data from an interface on the line side, where the service data includes interface information that is set by the line side and is set to identify an interface for acquiring the service data.

In step S104, the interface information is stripped on the service data according to the corresponding relationship between the pre-configured interface information and the service tag information that is set to identify the service data type, and the service tag information is included, where the service data type includes PTN service data and/or OTN service data;

Step S106: The service data of the service tag information is sent to the system side, where the system side strips the service tag information, and performs service data forwarding according to the service data type corresponding to the service tag information.

In this embodiment, the service data with the interface information obtained from the line side interface is marked with the service label information of the corresponding PTN and/or OTN service data type, and then the service data with the service label information is sent to the service data. On the system side, the service tag information is stripped by the system side, and the service data is forwarded according to the service data type corresponding to the service tag information, so that the PTN and/or OTN service data is obtained on the line side interface. The system side can learn the type of the PTN and/or OTN service data obtained from the interface, and process the problem, and solve the problem that the PTN network and the OTN network device cannot be merged in the related technology, and the PTN service and the PTN service are completed. The effective combination of OTN services enables efficient and flexible transmission of the carried services in the PTN network and the OTN network.

The line side in this embodiment refers to the optical port side of the device, and the line side is mainly responsible for accessing and transmitting the PTN service and the OTN service, and is divided into a packet transmission interface and an optical transmission interface, and the line side can be configured according to the user. The interface information encapsulates or decapsulates the service data. The optical port type (such as OTU4, OTU3, OTU2, 100GE, 40GE, 10GE, and so on) can be set according to user requirements. The system side in this embodiment refers to this. On the backplane side of the device, the system side is also divided into a packet transmission module and an optical transmission processing module, which are responsible for adding or stripping service information labels, and forwarding corresponding PTN services and OTN service data.

In the corresponding relationship between the interface information and the service tag information that is set to identify the service data type, before the interface information is stripped on the service data, and the corresponding service tag information is marked, the user can also customize the configuration interface. Correspondence between information and service tag information.

The corresponding relationship between the interface information and the service tag information may include at least one of the following: when the interface information is set to identify that the interface that obtains the service data is an Ethernet interface, the corresponding service tag information is set to identify that the service data type is PTN service data; in the case that the interface information is set to identify that the interface for obtaining the service data is an OTN optical port, the corresponding service tag information is set to identify that the service data type is PTN service data, or is set to identify the service data type. It is OTN service data, or is set to identify the service data type as PTN service data and OTN service data. The type of the OTN optical port may include, but is not limited to, at least one of the following: OTU4, OTU3, OTU2, 100GE, 40GE, 10GE, and the like.

Before obtaining the service data from the interface on the line side, the line side may further receive the service data, and apply the interface information to the service data according to the interface that receives the service data.

Corresponding to the above-mentioned one of the service data transmission methods, a service data transmission device is also provided in the embodiment, and the device is configured to implement the above-mentioned embodiments and preferred embodiments, and the description thereof has been omitted. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 2 is a structural block diagram of a service data transmission apparatus according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes an acquisition module 22, a first identity conversion module 24, and a first transmission module 26. Detailed instructions:

The obtaining module 22 is configured to obtain the service data from the interface on the line side, where the service data includes interface information that is set by the line side and is set to identify the interface for acquiring the service data; the first identifier conversion module The interface is connected to the obtaining module 22, and is configured to strip the interface information on the service data according to the correspondence between the pre-configured interface information and the service tag information that is set to identify the service data type, and set the corresponding service tag information. The service data type includes PTN service data and/or OTN service data. The first sending module 26 is connected to the first identity conversion module 24, and is configured to send the service data with the service tag information to the system side. The system side strips the service tag information, and performs service data forwarding according to the service data type corresponding to the service tag information.

In this embodiment, another service data transmission method is also provided. FIG. 3 is a flowchart of another service data transmission method according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps:

Step S302, receiving service data from the system side, where the service data includes service tag information set by the system side and configured to identify the service data type of the service data, where the service data type includes a PTN service. Data and/or OTN business data;

Step S304, stripping the service label information on the service data according to the correspondence between the pre-configured service label information and the interface information that is set to identify the interface that receives the service data, and marking the corresponding interface information;

Step S306, the service data that is marked with the interface information is sent to the line side, where the line side strips the interface information, and encapsulates according to the interface information (that is, the service data is encapsulated into the interface container unit) and transmitted. The business data.

In this embodiment, the service data received from the system side is marked with corresponding interface information according to the service label information, and sent to the line side, and the interface information is stripped by the line side, and encapsulated according to the interface information ( The service data is encapsulated into the interface container unit and the service data is transmitted, so that the PTN and/or OTN service data outputted by the system side is forwarded to a corresponding line side interface capable of transmitting the service data of the type, and is transmitted and solved. The failure to integrate PTN network and OTN network equipment in related technologies The problem is that the effective combination of the PTN service and the OTN service is completed, and the efficient and flexible transmission of the carried service in the PTN network and the OTN network is realized.

And in the corresponding relationship between the pre-configured service tag information and the interface information that is set to identify the interface that receives the service data, before the service tag information is stripped on the service data, and the corresponding interface information is marked, the user may also be configured by the user. Customize the mapping between interface information and service tag information.

The corresponding relationship between the service tag information and the interface information may include at least one of the following: when the service tag information is set to identify that the service data type of the service data is OTN service data, the corresponding interface information is set as the identifier receiving station. The interface of the service data is an OTN optical port. If the service tag information is set to identify the service data type of the service data as PTN service data, the corresponding interface information is set to identify that the interface for receiving the service data is The OTN optical port or the interface that is configured to receive the service data is an Ethernet interface, or an interface that is configured to receive the service data is an OTN optical port and an Ethernet interface. The type of the OTN optical port may include, but is not limited to, at least one of the following: OTU4, OTU3, OTU2, 100GE, 40GE, 10GE, and the like.

Before receiving the service data from the system side, the system side may also obtain service data, and apply the service tag information to the service data according to the pre-configuration.

Corresponding to the above another service data transmission method, another service data transmission device is further provided in this embodiment, and FIG. 4 is a structural block diagram of another service data transmission device according to an embodiment of the present invention, as shown in FIG. 4 . As shown, the device includes a receiving module 42, a second identity conversion module 44, and a second transmitting module 46. The following describes each module in detail:

The receiving module 42 is configured to receive service data from the system side, where the service data includes service tag information set by the system side and configured to identify the service data type of the service data, the service data type The PTN service data and/or the OTN service data are included; the second identity conversion module 44 is connected to the receiving module 42 and configured to correspond to the interface information of the interface that is configured to receive the service data according to the pre-configured service tag information. And stripping the service label information on the service data, and marking the corresponding interface information; the second sending module 46 is connected to the second identifier conversion module 44, and is configured to send the service data that is marked with the interface information to a line side, wherein the line side strips the interface information, and encapsulates and transmits the service data according to the interface information.

The following description is made in conjunction with the preferred embodiments, and the following preferred embodiments incorporate the above-described embodiments and preferred embodiments thereof.

In the following preferred embodiments, the packet transport network service and the optical transport network service are involved. Currently, the two networks are separated, and thus the services of the two are also transmitted by separate devices. In the following preferred embodiment, a transport PTN and an OTN are provided. The method and device for converging services are set to combine the services of the two networks (PTN service and OTN service) in one device for transmission. The merging device provided by the embodiment can effectively combine the packet transport network service and the optical transport network service, and implement efficient and flexible transmission of the carried service in the PTN network and the OTN network.

The novel fusion method and device in the following preferred embodiments can overcome the problems and shortcomings of the PTN and OTN device separation and transmission services existing in the related art, and effectively combine the packet transmission network service and the optical transmission network service in the same device for flexible transmission. Minimize network construction and maintenance costs.

The method and apparatus for transmitting PTN and OTN converged services of the preferred embodiment include the following modules:

A: line side (optical module side) grouping and optical transmission processing module;

B: internal exchange processing module (implementing the functions of the above two service data transmission devices);

C: system side (backplane side) grouping and optical transmission processing module;

The line side (optical module side) packet and the optical transmission processing module are responsible for the access and transmission of the PTN service and the OTN service, and the types of optical ports (such as OTU4, OTU2, 100GE, 10GE) and the number can be set according to user requirements;

The internal switching processing module is responsible for processing the accessed and transmitted PTN and OTN services, parsing its service attributes or optical ports to be sent, and distributing related services to the system side packet and optical transmission processing module or the line side packet and optical transmission processing module. ;

The system side (backplane side) packet and optical transmission processing module is responsible for sending the PTN and OTN services that are to be intersected to the internal switching processing module through the designated channel, or receiving services from the internal switching module, and performing corresponding PTN services and OTN. The service is cross-processed; the system side is compatible with the client Ethernet service that is connected to the line side to perform optical transmission unit encapsulation, and processes the optical transmission unit to decapsulate the customer Ethernet service.

The fusion method of the preferred embodiment mainly includes the following steps:

Line side to system side:

1. After the optical interface of the line is connected to the data, the data unit is extracted according to the optical port type (PTN type, OTN type, etc.), and the optical port related information is sent to the internal switching processing module.

2. After receiving the data unit sent by the line side, the internal switching processing module puts the data unit into a corresponding exchange label according to the optical port information and the exchange label relationship configured by the user, and sends it to the system side for processing;

3. After receiving the new data unit of the internal switching processing module, the system side packet and the optical transmission processing module match the switching label, and then perform cross processing on the PTN service and the OTN service.

System side to line side:

1. After receiving the PTN service and the OTN service, the system side packet and the optical transmission processing module send the service data with the exchange label to the internal switching processing module for processing according to the user configuration;

2. After receiving the data on the system side, the internal switching processing module matches the optical label information of the switching label and the line side, and then sends the service data to the line side for processing;

3. After receiving the data unit sent by the internal switching module, the line side searches for the optical port information configured by the user according to the exchange label, encapsulates the data unit, and passes the encapsulated information through the PTN optical interface (Ethernet interface) or OTN. The optical port is sent out.

The method and device for merging and transmitting the PTN service and the OTN service through different service interfaces and performing the fused transmission on the line side OTU interface through the internal switching module; adding the foregoing interface device The line side Ethernet interface is transmitted; and on the basis of the above, the access of the client side Ethernet signal is proposed; the internal switching processing module adopts the optical port information and the exchange label association method, and is set to the optical port side and the system. The sides are connected to each other.

With the fusion method and apparatus of the preferred embodiment, the packet service and the optical transmission service can be flexibly accessed and transmitted on the line side, and the transmission is flexibly distributed on the system side. It supports both L1 (physical layer) service delivery and L2 (data link layer) services and partial L3 (IP layer) services.

The merging method and the device can form an interface for the PTN network to carry the full PTN service and provide the OTN externally, and realize the large-capacity transmission of the PTN network, that is, the PTN moves down to the OTN. It can also form an OTN network to carry all OTN services and provide external PTN interfaces, which realizes the OTN network aggregation function and realizes the upward movement of OTN to PTN.

By integrating the separated network services, it is beneficial to the smooth integration of the PTN network and the OTN network, which greatly reduces the network cost and has a good application prospect.

The following uses the fusion method and device usage scenarios of the preferred embodiment in detail with reference to the accompanying drawings:

FIG. 5 is a schematic structural diagram of each module of a fusion device according to a preferred embodiment of the present invention. As shown in FIG. 5, the fusion device mainly includes three modules: a line side processing module, an internal switching processing module, and a system side processing module, wherein the line side, The system side processing modules all include an optical transmission service processing unit and a packet service processing unit.

FIG. 6 is a schematic diagram of a subdivision of a fusion device interface according to a preferred embodiment of the present invention. As shown in FIG. 6, the fusion device interface subdivision may include a line side OTN optical port, a line side Ethernet optical port, and an access client Ethernet service interface.

7 is a schematic diagram of an OTN interface of a fusion device according to a preferred embodiment of the present invention. As shown in FIG. 7, a connection line between a line side processing module and a system side processing module in the figure is in each interface in FIG. OTN interface.

FIG. 8 is a schematic diagram of an Ethernet interface of a fusion device according to a preferred embodiment of the present invention. As shown in FIG. 8, a connection line between a line side processing module and a system side processing module in the figure is in each interface in FIG. Converged device line side Ethernet interface.

9 is a schematic diagram of a fusion device accessing a client Ethernet service interface according to a preferred embodiment of the present invention. As shown in FIG. 9, the connection line between the line side processing module and the system side processing module in the figure is the same as that in FIG. The converged devices in each interface access the customer Ethernet service interface.

FIG. 10 is a schematic diagram of an implementation of a fused device in a network as an OTN interface according to a preferred embodiment of the present invention. As shown in FIG. 10, the fused device in the network functions as an OTN interface.

FIG. 11 is a schematic diagram of an implementation of an OTN interface and an Ethernet interface in a network according to a preferred embodiment of the present invention. As shown in FIG. 11, the fusion device in the network functions as an OTN interface and an Ethernet interface.

FIG. 12 is a schematic diagram of an implementation of an Ethernet device as an access client Ethernet service interface according to a preferred embodiment of the present invention. As shown in FIG. 12, the convergence device in the network functions as an Ethernet interface.

As shown in FIGS. 10-12, wherein the circular mark is a fusion device, the device includes a system side packet and optical transmission processing module, an internal exchange processing module, and a line side packet and an optical transmission processing module. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The steps described in the fusion method of the preferred embodiment can be referred to.

As shown in FIG. 10, after the service is accessed from the packet transport network A1, the traffic is transmitted to the peer packet transport network A2 through the optical transport network B1.

As shown by the dotted line in the figure, the PTN and OTN services are connected to the optical transport network B1 by means of the MPLS interface of the A1. In A1, the services are processed by the three modules of the fusion device and finally output as optical transmission data units. In B1, the optical transmission data unit from A1 is cross-processed, and the OTN optical port is docked with the packet transmission network A2 through another optical port, and the fusion device in A2 passes through the internal three modules and reversely processes the light from the light. The PTN service and the OTN service from A1 are restored in the data transfer board, thereby realizing the transmission of the converged service from A1 to A2. Conversely, traffic is transmitted from A2 to A1, as is the embodiment. For A1 and A2, B1 can be considered transparent.

In addition, since the device provides an OTN interface, the Fusion device of the A1 and the A2 can be directly connected to the OTN optical port to implement service transmission. That is, see the solid double arrow in Figure 10.

As shown in FIG. 11, when the packet service of A1 is to be transmitted to the packet transport network A2, the packet service can be implemented through the A1 Ethernet interface and the Ethernet interface of the A2 through the convergence device, that is, the thick double arrow in the corresponding figure. In addition, the packet service can also be connected to the OTN interface of A1 and A2 through the fusion device, that is, the thin double arrow in the corresponding figure. Thereby, the transmission of the packet service between A1 and A2 is realized.

As shown in FIG. 12, when the optical transport network B1 is to access the Ethernet service of the packet transport network A2, the Ethernet interface of the A2 is connected to the Ethernet interface of the B1 by the Ethernet interface through the three modules of the convergence device. In B1, the fusion device processes the Ethernet service through the internal switching processing module, encapsulates or decapsulates the optical transmission data unit according to the Ethernet interface information and the exchange label relationship configured by the user, and performs cross processing to transmit the Ethernet service.

Based on the description of Figures 10-12, the packet transport network and the optical transport network can implement the converged transmission of services by the preferred embodiment.

The packet switching and optical transmission service convergence device according to the preferred embodiment is adapted to the needs of the operator, and can be flexibly set up, facilitates the PTN network to move down or the OTN network to move, and deeply integrates the PTN network and the OTN network, thereby improving service transmission efficiency. Effectively reduce operator costs.

In another embodiment, a software is provided that is configured to perform the technical solutions described in the above embodiments and preferred embodiments.

In another embodiment, a storage medium is also provided, in which the above software is stored, including but not limited to an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

As described above, the service data transmission method and apparatus provided by the embodiments of the present invention have the following beneficial effects: the problem of failing to integrate the PTN network and the OTN network device in the related art is solved, and the PTN service and the OTN service are effectively completed. The combination enables efficient and flexible transmission of the carried services in the PTN network and the OTN network.

Claims

A method of transmitting business data, comprising:

Obtaining service data from an interface on the line side, where the service data includes interface information set by the line side and configured to identify an interface for acquiring the service data;

Depicting the interface information on the service data according to the correspondence between the pre-configured interface information and the service tag information that is set to identify the service data type, and marking the service information, where the service data type includes a packet transmission network. PTN service data and/or optical transport network OTN service data;

The service data of the service tag information is sent to the system side, where the system side strips the service tag information, and performs service data forwarding according to the service data type corresponding to the service tag information.
The method according to claim 1, wherein the interface information is stripped on the service data and the corresponding service label is marked in accordance with the correspondence between the pre-configured interface information and the service tag information set to identify the service data type. Before the information, it also includes:

Configure the mapping between interface information and service tag information.
The method according to claim 1 or 2, wherein the correspondence between the interface information and the service tag information comprises at least one of the following:

When the interface information is set to identify that the interface that obtains the service data is an Ethernet interface, the corresponding service tag information is set to identify that the service data type is PTN service data;

When the interface information is set to identify that the interface for obtaining the service data is an OTN optical port, the corresponding service tag information is set to identify the service data type as PTN service data, or set to identify the service data type as OTN service data. Or set to identify the service data type as PTN service data and OTN service data.
The method according to claim 1 or 2, wherein before the obtaining the service data from the interface on the line side, the method further comprises:

Receiving service data by the line side;

The line side adds the interface information to the service data according to an interface that receives the service data.
A method of transmitting business data, comprising:

Receiving service data from the system side, wherein the service data includes service tag information set by the system side and configured to identify the service data type of the service data, where the service data type includes a packet transport network PTN service Data and/or optical transport network OTN service data;

Depicting the service tag information on the service data according to the correspondence between the pre-configured service tag information and the interface information that is set to identify the interface that receives the service data, and marking the corresponding interface information;

Transmitting the service data of the interface information to the line side, wherein the line side strips the interface information, and encapsulates and transmits the service data according to the interface information.
The method according to claim 5, wherein the service tag information is stripped on the service data according to a correspondence between pre-configured service tag information and interface information that is set to identify an interface that receives the service data. Before putting in the corresponding interface information, it also includes:

Configure the mapping between service tag information and interface information.
The method according to claim 5 or 6, wherein the correspondence between the service tag information and the interface information comprises at least one of the following:

When the service tag information is set to identify the service data type of the service data as OTN service data, the corresponding interface information is set to identify that the interface that receives the service data is an OTN optical port;

When the service tag information is set to identify that the service data type of the service data is PTN service data, the corresponding interface information is set to identify that the interface that receives the service data is an OTN optical port, or is set as an identifier receiving station. The interface of the service data is an Ethernet interface, or an interface configured to identify the service data is an OTN optical port and an Ethernet interface.
The method according to claim 5 or 6, wherein before receiving the service data from the system side, the method further comprises:

The system side obtains service data;

The system side adds the service tag information to the service data according to a pre-configuration.
A service data transmission device comprising:

Obtaining a module, configured to obtain service data from an interface on the line side, where the service data includes interface information that is set by the line side and is configured to identify an interface for acquiring the service data;

The first identifier conversion module is configured to strip the interface information on the service data according to the correspondence between the pre-configured interface information and the service label information that is set to identify the service data type, and put the corresponding service label information, where The service data type includes a packet transport network PTN service data and/or an optical transport network OTN service data;

The first sending module is configured to send the service data that is marked with the service label information to the system side, where the system side strips the service label information, and performs according to the service data type corresponding to the service label information. Business data forwarding.
A service data transmission device comprising:

The receiving module is configured to receive the service data from the system side, where the service data includes service tag information that is set by the system side and is set to identify the service data type of the service data, where the service data type includes Packet transport network PTN service data and/or optical transport network OTN service data;

The second identifier conversion module is configured to strip the service label information on the service data according to the correspondence between the pre-configured service label information and the interface information that is set to identify the interface that receives the service data, and set the corresponding interface information;

The second sending module is configured to send the service data that is marked with the interface information to the line side, where the line side strips the interface information, and encapsulates and transmits the service data according to the interface information.