KR102257945B1 - Service data transmission method and device - Google Patents

Abstract

The present invention provides a method and apparatus for transmitting service data, the method comprising: obtaining service data from an interface on a line side, wherein the service data indicates an interface for obtaining the service data added by the line side. Separating the interface information from the service data and adding corresponding service label information according to a correspondence relationship between pre-set interface information and service label information indicating a service data type; The service data type includes PTN service data and/or OTN service data, and includes transmitting the service data to which the service label information is added to the system side. According to the present invention, it is possible to solve the problem that the existing technology has not been able to converge PTN network and OTN network devices, and effectively combine PTN service and OTN service to efficiently and smoothly transmit a loaded service in PTN network and OTN network.

Description

Service data transmission method and device {SERVICE DATA TRANSMISSION METHOD AND DEVICE}

The present invention relates to the field of communication, and more particularly, to a method and apparatus for transmitting service data.

With the promotion of ALL-IP, network packetization has already become a trend of development of network technology. As a result, a packet transport network (abbreviated as PTN) appeared, and the packet transport network is completely based on packet exchange, and at the same time, it provides end-to-end service loading capacity in the connection area to solve the problem of no connection to the existing packet transport network. It solves and is advantageous for the application of the communication service provider. As users' demands for bandwidth increase, packet transmission networks require higher access capabilities. Optical Transport Network (OTN abbreviated) can provide huge transmission capacity, completely transparent end-to-end wavelength/sub-wavelength connection, telecommunication level protection, and transport big granule broadband services. . Currently, the network of the packet transmission network and the optical transmission network are separated, and if both network devices are integrated and unified operation, management, and maintenance, operation costs can be greatly reduced.

In the existing technology, a valid solution has not yet been proposed for the convergence of PTN network and OTN network devices.

An embodiment of the present invention provides a service data transmission method and apparatus capable of solving a problem in which a PTN network and an OTN network device cannot be fused, at least in the conventional technology.

According to an embodiment of the present invention, acquiring service data from an interface on a line side, wherein the service data includes interface information indicating an interface for acquiring the service data added by the line, Separating the interface information from the service data and adding corresponding service label information according to a correspondence relationship between preset interface information and service label information indicating a service data type, wherein the service data type is a packet transmission network Including PTN service data and/or optical transmission network OTN service data, and transmitting the service data to which the service label information is added to a system side, wherein the system side separates the service label information and the service A service data transmission method for transmitting service data according to a service data type corresponding to label information is provided.

In an embodiment, before separating the interface information from the service data and adding corresponding service label information according to a correspondence relationship between pre-set interface information and service label information indicating a service data type, interface information and service label And arranging the correspondence of the information.

In an embodiment, when the corresponding relationship between the interface information and the service label information is configured as indicating that the interface for obtaining the service data is an Ethernet interface, the corresponding service label information is the service data type of PTN service data. And, when the interface information is configured to indicate that the interface for obtaining the service data is an OTN optical port, the corresponding service label information is configured to indicate that the service data type is PTN service data, or service data And at least one of being configured to indicate that the type is OTN service data, or that the service data type is to indicate that PTN service data and OTN service data.

In an embodiment, before acquiring service data from an interface of a circuit, the circuit side receives service data, and the interface information is included in the service data based on the interface from which the line side received the service data. It further includes the step of adding.

According to another embodiment of the present invention, receiving service data from a system side, wherein the service data includes service label information indicating a service data type of the service data added by the system side, The service data type includes packet transmission network PTN service data and/or optical transmission network OTT service data, and from the service data according to a correspondence relationship between pre-set service label information and interface information indicating an interface from which the service data was received. Separating the service label information and adding corresponding interface information, and transmitting the service data to which the interface information is added to a line side, wherein the line side separates the interface information and the interface It provides a service data transmission method in which the service data is packetized and transmitted based on information.

In an embodiment, before separating the service label information from the service data and adding the corresponding interface information according to the correspondence between the service label information set in advance and the interface information indicating the interface that received the service data, the service It further includes arranging a correspondence relationship between the label information and the interface information.

In an embodiment, when the service label information is configured to indicate that the service data type of the service data is OTN service data, the correspondence relationship between the service label information and the interface information is an interface for receiving the service data. Is configured to indicate that is an OTN optical port, and when the service label information is configured to indicate that the service data type of the service data is PTN service data, the corresponding interface information is an OTN optical port. And at least one of being configured to indicate that, or that the interface for receiving the service data is an Ethernet interface, or configured to indicate that the interface for receiving the service data is an OTN optical port and an Ethernet interface.

In an embodiment, prior to receiving the service data from the system, the system side further includes obtaining service data, and the system side adding the service label information to the service data based on a preset setting. Includes.

According to another embodiment of the present invention, an acquisition means configured to acquire service data from an interface on a line side, wherein the service data is interface information indicating an interface from which the service data added by the line side is obtained. A first label conversion means configured to separate the interface information from the service data and add corresponding service label information according to a correspondence relationship between preset interface information and service label information indicating a service data type; and , Wherein the service data type includes a packet transmission network PTN service data and/or optical transmission network OTT service data, and includes a first transmission means configured to transmit the service data to which the service label information is added to the system side, wherein , The system side provides a service data transmission device for separating the service label information and transmitting service data based on a service data type corresponding to the service label information.

According to another embodiment of the present invention, a receiving means configured to receive service data from a system side, wherein the service data includes service label information indicating a service data type of the service data added by the system side. Including, the service data type includes packet transmission network PTN service data and/or optical transmission network OTT service data, and according to a correspondence relationship between pre-set service label information and interface information indicating an interface for receiving the service data, A second mark conversion means configured to separate the service label information from the service data and add corresponding interface information, and a second transmission means configured to transmit the service data to which the interface information has been added to a line side, Here, the circuit side provides a service data transmission apparatus for separating the interface information and packetizing and transmitting the service data based on the interface information.

According to an embodiment of the present invention, service data is obtained from an interface on a line side, wherein the service data includes interface information indicating an interface for obtaining the service data added by the line side, and is set in advance. Separating the interface information from the service data and adding corresponding service label information according to a correspondence relationship between interface information and service label information indicating a service data type, wherein the service data type is PTN service data and/or OTN service The service data including data and the service label information added is transmitted to the system side, where the system side separates the service label information and transmits service data based on a service data type corresponding to the service label information. By doing so, it is possible to solve the problem of not converging PTN network and OTN network device in the existing technology, effectively combine PTN service and OTN service, and transmit the loaded service efficiently and smoothly in PTN network and OTN network.

The drawings are for aiding understanding of the present invention and are part of the specification of the present invention, and examples and descriptions exemplarily shown in the present invention are for interpreting the present invention and are not intended to limit the present invention.
1 is a flowchart illustrating a service data transmission method according to an embodiment of the present invention.
2 is a block diagram showing the structure of a service data transmission apparatus according to an embodiment of the present invention.
3 is a flowchart illustrating another service data transmission method according to an embodiment of the present invention.
4 is a block diagram showing the structure of another service data transmission apparatus according to an embodiment of the present invention.
5 is a view showing the structure of each means of the fusion device according to a preferred embodiment of the present invention.
6 is a diagram showing a subdivided interface of a fusion device according to a preferred embodiment of the present invention.
7 is a diagram showing an OTN interface of a fusion device according to a preferred embodiment of the present invention.
8 is a diagram showing an Ethernet interface of a fusion device according to a preferred embodiment of the present invention.
9 is a diagram showing a user Ethernet service access interface of a fusion device according to a preferred embodiment of the present invention.
FIG. 10 is a diagram showing realization of a fusion device as an OTN interface in a network according to a preferred embodiment of the present invention.
11 is a diagram showing a realization of a fusion device as an OTN interface and an Ethernet interface in a network according to a preferred embodiment of the present invention.
12 is a diagram showing a realization of a fusion device as a user Ethernet service access interface in a network according to a preferred embodiment of the present invention.

The present invention will be described with reference to the drawings below and in combination with examples. Here, the embodiments of the present invention and the features described in the embodiments can be combined with each other in a situation where there is no conflict with each other.

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

In step S102, service data is acquired from an interface on the line side, wherein the service data includes interface information indicating an interface for acquiring the service data added by the line side.

In step S104, the interface information is separated from the service data and corresponding service label information is added according to a correspondence relationship between the previously set interface information and service label information indicating a service data type, wherein the service data type is a PTN service Data and/or OTN service data.

In step S106, the service data to which the service label information is added is transmitted to the system side, where the system side separates the service label information and transmits service data based on a service data type corresponding to the service label information.

According to the present embodiment, after service label information corresponding to PTN and/or OTN service data type is added to service data including interface information obtained from the line-side interface through the above step, service data to which the service label information is added. Is transmitted to the system side, and the system side separates the service label information and transmits service data based on a service data type corresponding to the service label information, thereby acquiring PTN and/or OTN service data from the line-side interface. The system side can identify and process the type of PTN and/or OTN service data acquired from the interface in the system, solving the problem of not converging PTN network and OTN network devices in the existing technology, and effectively combining PTN service and OTN service. It is possible to efficiently and smoothly transmit the loaded service in PTN network and OTN network.

Here, the line side in this embodiment refers to the optical port side of the device, and the line side mainly performs connection and transmission of PTN service and OTN service, and is divided into a packet transmission interface and an optical transmission interface, and the line side is based on the interface information arranged by the user. Based on the packetization or packet release processing of service data, the optical port type (eg, OTU4, OTU3, OTU2, 100GE, 40GE, 10GE, etc.) and quantity can be set according to the user's demand. In the present embodiment, the system side refers to the distribution side of the device, and the system side is also divided into packet transmission means and optical transmission processing means, and performs addition or separation of service information labels and transmits the corresponding PTN service and OTN service data.

Before separating the interface information from the service data and adding the corresponding service label information according to the correspondence between the previously set interface information and the service label information indicating the service data type, the user can respond to the interface information and the service label information. It may further include the step of self-defining and arranging the relationship.

The correspondence between interface information and service label information is that when the interface information is configured to indicate that the interface for obtaining the service data is an Ethernet interface, the corresponding service label information is configured to indicate that the service data type is PTN service data. When the interface information is configured to indicate that the interface for obtaining the service data is an OTN optical port, the corresponding service label information indicates that the service data type is PTN service data, or that the service data type is OTN service data. Or configured to indicate that the service data type is PTN service data and OTN service data. Here, the type of the OTN optical port includes at least one of OTU4, OTU3, OTU2, 100GE, 40GE, 10GE, etc., but is not limited thereto.

Before acquiring the service data from the line-side interface, the line-side may receive the service data and add the interface information to the service data based on the interface on which the service data was received.

Corresponding to the above-described service data transmission method, the present embodiment provides a service data transmission apparatus for realizing the above and preferred embodiments, but descriptions of the previously described portions are omitted. The term “means” used below is a combination of software and/or hardware capable of realizing a predetermined function. Although it is preferable to realize the apparatus described in the following embodiments by software, it can also be realized by hardware or a combination of software and hardware.

FIG. 2 is a block diagram showing the structure of a service data transmission apparatus according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes an acquisition means 22, a first label conversion means 24, and a first It includes a transmission means (26). Each means will be described in detail below.

Acquiring means 22 acquires service data from an interface on the line side, wherein the service data includes interface information indicating an interface for acquiring the service data added by the line side, and a first mark conversion means 24 is connected to the acquisition means 22 to separate the interface information from the service data and add corresponding service label information according to the correspondence between the interface information set in advance and the service label information indicating the service data type. , Wherein the service data type includes PTN service data and/or OTN service data, and the first transmission means 26 is connected to the first label conversion means 24 to convert the service data to which the service label information is added. It transmits to the system side, wherein the system side separates the service label information and transmits service data based on a service data type corresponding to the service label information.

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

Step S302, service data is received from the system side, wherein the service data includes service label information indicating a service data type of the service data added by the system side, and the service data type is PTN service data and / Or include OTN service data.

In step S304, the service label information is separated from the service data and corresponding interface information is added according to a correspondence relationship between the service label information set in advance and interface information indicating an interface for receiving the service data.

In step S306, the service data to which the interface information has been added is transmitted to a line side, wherein the line side separates the interface information and packetizes the service data based on the interface information (that is, the service data is sent to the interface container unit. Packaging) and transmit.

According to this embodiment, through the above steps, corresponding interface information is added to the service data received from the system based on service label information and transmitted to the line side, and the line side separates the interface information and based on the interface information. By packetizing the service data (that is, packaging the service data in an interface container unit) and transmitting the PTN and/or OTN service data output from the system to a circuit-side interface capable of transmitting the corresponding service data of that type. It is possible to solve the problem of not converging PTN network and OTN network devices in the existing technology, effectively combine PTN service and OTN service, and efficiently and smoothly transmit the loaded service in PTN network and OTN network.

Before separating the service label information from the service data and adding the corresponding interface information according to the correspondence between the service label information set in advance and the interface information displaying the interface for receiving the service data, the user You can define and arrange the correspondence of label information.

The correspondence between the service label information and the interface information is that when the service label information is configured to indicate that the service data type of the service data is OTN service data, the corresponding interface information indicates that the interface for receiving the service data is an OTN optical port. And when the service label information is configured to indicate that the service data type of the service data is PTN service data, the corresponding interface information indicates that the interface receiving the service data is an OTN optical port, or And at least one of configured to indicate that the interface for receiving the service data is an Ethernet interface, or configured to indicate that the interface for receiving the service data is an OTN optical port and an Ethernet interface. Here, the type of the OTN optical port includes at least one of OTU4, OTU3, OTU2, 100GE, 40GE, and 10GE, but is not limited thereto.

Before receiving the booker service data to the system side, the system side may acquire service data and add the service label information to the service data based on pre-location.

In response to the above-described another service data transmission method, another service data transmission apparatus is provided in this embodiment. FIG. 4 is a block diagram showing the structure of another service data transmission apparatus according to an embodiment of the present invention. As shown in Fig. 4, this apparatus includes a receiving means 42, a second label converting means 44, and a second transmitting means 46. Each means will be described in detail below.

The receiving means 42 receives service data from the system side, wherein the service data includes service label information indicating a service data type of the service data added by the system side, and the service data type is PTN It includes service data and/or OTN service data, and the second mark conversion means 44 is connected to the receiving means 42 to correspond to preset service label information and interface information indicating an interface for receiving the service data. The service label information is separated from the service data according to a relationship and corresponding interface information is added, and the second transmission means 46 is connected to the second label conversion means 44 to add the interface information. Is transmitted to the line side, wherein the line side separates the interface information and packetizes and transmits the service data based on the interface information.

Hereinafter, preferred embodiments are combined and described. The following preferred embodiments are a combination of the above-described embodiments and preferred embodiments.

The following preferred embodiment relates to a packet transmission network service and an optical transmission network service, and because these two networks are currently separated, both services are also transmitted from separate devices. In the following preferred embodiment, PTN and OTN convergence services are transmitted. It provides a method and apparatus, which combines and transmits the services of these two networks (PTN service and OTN service) to a set of devices. The fusion device provided in the present embodiment effectively combines a packet transmission network service and an optical transmission network service to efficiently and efficiently transmit a loaded service in a PTN network and an OTN network.

According to the new convergence method and apparatus in the following preferred embodiments, the problem and defect of transmitting the service by separating the PTN and OTN devices existing in the existing technology can be solved, and the packet transmission network service and the optical transmission network service can be efficiently combined with the same device. Network construction and maintenance costs can be minimized by transmitting seamlessly.

The method and apparatus for transmitting the PTN and OTN convergence service according to the present preferred embodiment includes the following means.

A: circuit side (optical means side) packet and optical transmission processing means,

B: Internal exchange processing means (realizing the functions of the above two service data transmission devices),

C: System side (distribution side) packet and optical transmission processing means.

The circuit side (optical means side) packet and optical transmission processing means performs connection and transmission of PTN service and OTN service, and the type (e.g., OTU4, OTU2, 100GE, 10GE) and quantity of optical ports are determined by the user's demand. Set accordingly.

The internal exchange processing means performs processing on the connected and transmitted PTN and OTN services, interprets the service attribute or the optical port to be transmitted, and transfers the related services to system-side packet and optical transmission processing means or circuit-side packet and optical transmission processing means. Send.

The system side (distribution side) packet and optical transmission processing means transmits and processes the PTN and OTN services crossing downward to the internal exchange processing means through a designated passage, or receives the service transmitted from the internal exchange means and receives the corresponding PTN service. And OTN service upstream cross-processing, and the system side performs compatibility processing on the user Ethernet service connected to the line side, packetizes the optical transmission unit, and processes the optical transmission unit to depacketize the user Ethernet service. .

The fusion method of this preferred embodiment includes the following steps.

From line side to system side:

1, After data is connected to the line-side optical port, the data unit is extracted according to the optical port type (PTN type, OTN type, etc.), and the internal exchange processing means is transmitted including information related to the optical port.

2, After receiving the data unit transmitted from the circuit side, the internal exchange processing means adds an exchange label corresponding to the data unit based on the relationship between the optical port information and the exchange label arranged by the user, and transmits it to the system for processing. .

3, After receiving the new data unit of the internal exchange processing means, the packet and optical transmission processing means of the system side matches the exchange labels and performs upward cross-processing of the PTN service and the OTN service.

From system side to line side:

1, the system side packet and optical transmission processing means receives the PTN service and the OTN service crossed downward, and then transmits service data including the exchange label to the internal exchange processing means based on the user's arrangement for processing.

2, the internal exchange processing means receives the data from the system side, matches the exchange label with the optical port information on the line side, and transmits service data to the line side for processing.

3, after receiving the data unit transmitted by the internal switching means, the circuit side finds the optical port information arranged by the user based on the exchange label, performs packetizing processing on the data unit, and sends the packetized information to the PTN optical port ( Ethernet interface) or OTN optical port.

The convergence method and apparatus according to the present preferred embodiment is a method and apparatus for transmitting and receiving PTN service and OTN service through different service interfaces and performing fusion transmission in the circuit-side OTU interface by passing through an internal switching means. A line-side Ethernet interface is added and transmitted based on the interface device. And, based on the above, it provides compatibility with the connection of the user-side Ethernet signal. The internal exchange processing means is configured to use a method of associating the optical port information with the exchange label, and to connect the optical port side and the system side.

In the fusion method and apparatus of this preferred embodiment, packet service and optical transmission service can be seamlessly connected and transmitted on the line side, and can be seamlessly transmitted on the system side. In addition to supporting L1 (physical layer) service transmission, it also supports transmission of L2 (data link layer) services and some L3 (IP layer) services.

This convergence method and apparatus constitutes a PTN network, loads the entire PTN service, and provides an OTN interface to the outside, thereby realizing large-capacity transmission of the PTN network, that is, a downward movement from the PTN to the OTN. In addition, by configuring an OTN network, it loads the entire OTN service, provides a PTN interface to the outside, realizes the OTN network aggregation function, and realizes an upward movement from OTN to PTN.

By converging separate network services, it is advantageous in smoothly combining PTN network and OTN network, greatly reducing network cost, and has good application prospects.

The use of the fusion method and apparatus according to the present preferred embodiment will be described by combining the drawings below.

Figure 5 is a road showing the structure of each means of the fusing device according to a preferred embodiment of the present invention. As shown in Figure 5, the fusing device is mainly composed of circuit-side processing means, internal exchange processing means, and system-side processing means. It includes three means, wherein both the circuit-side and system-side processing means include an optical transmission service processing unit and a packet service processing unit.

6 is a road showing the interface of the fusion device according to a preferred embodiment of the present invention in detail. As shown in FIG. 6, the interface of the fusion device is divided into a line-side OTN optical port, a line-side Ethernet optical port, and a user Ethernet. Includes a service access interface.

FIG. 7 is a road showing the OTN interface of the fusion device according to a preferred embodiment of the present invention. As shown in FIG. 7, the connection line between the circuit-side processing means and the system-side processing means in the drawing is just one of the interfaces in FIG. This is the OTN interface.

FIG. 8 is a road showing the Ethernet interface of the fusion device according to a preferred embodiment of the present invention. As shown in FIG. 8, a connection line between the circuit-side processing means and the system-side processing means in the drawing is directly among the interfaces in FIG. It is the line-side Ethernet interface of the fusion device.

9 is a road showing a user Ethernet service connection interface of a fusion device according to a preferred embodiment of the present invention. As shown in FIG. 9, the connection line between the circuit-side processing means and the system-side processing means in the drawing is shown in FIG. It is the user Ethernet service connection interface of the fusion device among each interface.

FIG. 10 is a road showing the realization of a fusion device as an OTN interface in a network according to a preferred embodiment of the present invention. As shown in FIG. 10, a fusion device is used as an OTN interface in the network.

FIG. 11 is a road showing the realization of a fusion device as an OTN interface and an Ethernet interface in a network according to a preferred embodiment of the present invention, and FIG. 11 shows the fusion device as an OTN interface and an Ethernet interface in the network.

FIG. 12 is a road showing the realization of the fusion device as a user Ethernet service access interface in the network according to a preferred embodiment of the present invention. As shown in FIG. 12, the fusion device is used as an Ethernet interface in the network.

As shown in Figs. 10 to 12, the circle represents a fusion device, which includes system-side packet and optical transmission processing means, internal switching processing means, and circuit-side packet and optical transmission processing means. Specific implementation steps may refer to the steps described in the fusion method of this preferred embodiment.

Referring to FIG. 10, after the service is connected from the packet transmission network A1, the service is transmitted to the counterpart packet transmission network A2 through the optical transmission network B1.

As indicated by the dotted line in the drawing, PTN and OTN services are connected to the optical transmission network B1 through the OTN interface method by the fusion device of A1, and the service in A1 is processed through three means of the fusion device, and finally optical transmission data. The unit is output. In B1, cross-processing is performed on the optical transmission data unit transmitted from A1, and the packet transmission network A2 is connected to the OTN optical port through another optical port, and in A2, the fusion device is reverse-processed by three internal means. To recover the PTN service and the OTN service transmitted from A1 from the optical transmission data unit to realize transmission of the fusion service from A1 to A2. In the opposite direction, the service is transmitted from A2 to A1, and the embodiment is the same. In the presence of A1 and A2, B1 can be considered transparent.

In addition, according to the present apparatus, by providing an OTN interface, the fusion device of A1 and A2 can be directly connected to the OTN optical port to realize service transmission. That is, see the two arrows of the solid line in FIG.

Referring to FIG. 11, when the packet service of A1 is transmitted to the packet transmission network A2, the packet service can be realized by connecting the A1 Ethernet interface and the A2 Ethernet interface through a convergence device, that is, see the bold arrow in the drawing. In addition, the packet service may be realized by connecting the OTN interfaces of A1 and A2 through the fusion device, that is, see the thin arrows in the drawing. This allows the packet service to be transmitted between A1 and A2.

Referring to FIG. 12, when the Ethernet service of the packet transmission network A2 is connected to the optical transmission network B1, the Ethernet service of A2 may be connected to the Ethernet interface of B1 through the three means of the fusion device. In B1, the fusion device performs processing on the Ethernet service through the internal exchange processing means, packetizes or depackets the optical transmission data unit according to the relationship between the Ethernet interface information arranged by the user and the exchange label, and then cross-processes. To transmit the Ethernet service.

According to the description of Figs. 10 to 12, the packet transmission network and the optical transmission network may be transmitted by fusion of services through the present exemplary embodiment.

The packet switching and optical transmission service convergence device according to the present preferred embodiment is advantageous for moving downwards in a PTN network or moving up an OTN network, as it adapts to the demands of a communication service provider and can smoothly configure a network. It can improve service transmission efficiency and effectively reduce operating costs.

In other embodiments, software for implementing the technical solutions described in the above embodiments and preferred embodiments is provided.

In addition, in other embodiments, a storage medium storing the software is provided. The storage medium includes, but is not limited to, an optical disk, a floppy diskette, a hard drive, and a write-and-erasable memory.

A person skilled in the art can realize the above-described means or steps of the present invention through a general-purpose computing device, can be concentrated in a single computing device or distributed over a network composed of a plurality of computing devices, and program code that can be executed by the computing device. Since it can also be realized, it can be stored in a storage device and executed in a computing device, and sometimes the illustrated or described steps may be performed in an order different from the order described here, or each made by integrated circuit means, or a plurality of them. It can be seen that the means or steps of can be realized by making one integrated circuit means. Therefore, the present invention is not limited to a specific combination of hardware and software.

The above is a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art can make various changes to the present invention. All modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are within the scope of protection of the present invention.

Industry availability

As described above, according to the service data transmission method and apparatus provided in the embodiment of the present invention, the problem in which the PTN network and the OTN network device cannot be fused in the existing technology is solved, and the PTN service and the OTN service are effectively combined and loaded. Service can be transmitted efficiently and smoothly in PTN network and OTN network.

Claims (10)

Acquiring service data from an interface on a line side, wherein the service data includes interface information indicating an interface for acquiring the service data added by the line side,

Separating the interface information from the service data and adding corresponding service label information according to a correspondence relationship between preset interface information and service label information indicating a service data type, wherein the service data type is a packet transmission network Including PTN service data and/or optical transmission network OTN service data,

And transmitting the service data to which the service label information is added to a system side, wherein the system side separates the service label information and transmits service data according to a service data type corresponding to the service label information. Service data transmission method.
The method according to claim 1,
Before separating the interface information from the service data and adding corresponding service label information according to a correspondence relationship between the previously set interface information and service label information indicating a service data type,

Service data transmission method further comprising the step of arranging a correspondence relationship between the interface information and the service label information.
The method according to claim 1 or 2,
The correspondence between interface information and service label information is

When the interface information is configured to indicate that the interface for obtaining the service data is an Ethernet interface, the corresponding service label information is configured to indicate that the service data type is PTN service data,

When the interface information is configured to indicate that the interface for obtaining the service data is an OTN optical port, the corresponding service label information indicates that the service data type is PTN service data, or that the service data type is OTN service data. Service data transmission method comprising at least one of, or configured to indicate that the service data type is PTN service data and OTN service data.
The method according to claim 1 or 2,
Before acquiring service data from the line-side interface,

Receiving, by the line side, service data,

And adding, by the line side, the interface information to the service data based on an interface on which the service data was received.
Receiving service data from the system side, wherein the service data includes service label information indicating a service data type of the service data added by the system side, and the service data type is packet transmission network PTN service data And/or optical transmission network OTT service data,

Separating the service label information from the service data and adding corresponding interface information according to a correspondence relationship between the service label information set in advance and the interface information indicating the interface that received the service data;

And transmitting the service data to which the interface information is added to a line side, wherein the line side separates the interface information and packetizes and transmits the service data based on the interface information. .
The method of claim 5,
Before separating the service label information from the service data and adding the corresponding interface information according to the correspondence between the service label information set in advance and the interface information indicating the interface that received the service data,

Service data transmission method further comprising the step of arranging a correspondence relationship between the service label information and the interface information.
The method according to claim 5 or 6,
The correspondence between service label information and interface information is

When the service label information is configured to indicate that the service data type of the service data is OTN service data, the corresponding interface information is configured to indicate that the interface for receiving the service data is an OTN optical port,

When the service label information is configured to indicate that the service data type of the service data is PTN service data, the corresponding interface information indicates that the interface receiving the service data is an OTN optical port, or to receive the service data. And at least one of being configured to indicate that the interface is an Ethernet interface, or that the interface receiving the service data is an OTN optical port and an Ethernet interface.
The method according to claim 5 or 6,
Before receiving service data from the system side,

Obtaining, by the system side, service data,

And adding, by the system side, the service label information to the service data based on a preset setting.
Acquiring means configured to acquire service data from an interface on a line side, wherein the service data includes interface information indicating an interface from which the service data added by the line side was acquired,

A first mark conversion means configured to separate the interface information from the service data and add corresponding service label information according to a correspondence relationship between preset interface information and service label information indicating a service data type, wherein the service The data type includes packet transmission network PTN service data and/or optical transmission network OTN service data,

And a first transmission means configured to transmit the service data to which the service label information is added to a system side, wherein the system side separates the service label information and based on a service data type corresponding to the service label information A service data transmission device that transmits service data.
A receiving means configured to receive service data from a system side, wherein the service data includes service label information indicating a service data type of the service data added by the system side, and the service data type is a packet transmission network Including PTN service data and/or optical transmission network OTN service data,

Second mark conversion means configured to separate the service label information from the service data and add corresponding interface information according to a correspondence relationship between the service label information set in advance and interface information indicating an interface for receiving the service data. and,

And a second transmission means configured to transmit the service data to which the interface information is added to a line side, wherein the line side separates the interface information and packetizes and transmits the service data based on the interface information. Service data transmission device.

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