WO2018205884A1 - Signalling configuration method and apparatus - Google Patents

Abstract

Provided are a signalling configuration method and apparatus. The signalling configuration method comprises: receiving first configuration information sent by a controller by means of a path computation element communication protocol (PCEP); and configuring bi-directional signalling for a main label switching path (LSP) according to the first configuration information.

Description

Signaling configuration method and device Technical field

The present disclosure relates to the field of communications, and in particular, to a signaling configuration method and apparatus.

Background technique

In a traditional computer communication network, when bidirectional forwarding detection (BFD) is performed on a tunnel, bidirectional signaling needs to be configured in order to make the BFD packet transmission path consistent. Generally, two-way signaling needs to be separately configured after the device is successfully delivered in the Label Switching Path (LSP). With the advent of the Software Defined Network (SDN), the control plane and the forwarding plane can be separated, and the control plane is programmable, so that the LSP can be triggered by the controller. For example, the controller sends a tunnel configuration through a network configuration (netconf) channel, and sends information for the LSP through a Path Computation Element (PCE) communication protocol (PCEP). However, it is currently not possible to trigger the terminal device to configure bidirectional signaling for the LSP through the controller.

Summary of the invention

According to an embodiment of the present disclosure, a signaling configuration method is provided, including: receiving first configuration information sent by a controller through a PCEP; and configuring bidirectional signaling for a primary LSP according to the first configuration information.

According to another embodiment of the present disclosure, a signaling configuration method is provided, which includes the steps of: transmitting, by using a PCEP, first configuration information to a terminal, where the first configuration information is used to trigger the terminal to configure a primary LSP. Two-way signaling.

According to still another embodiment of the present disclosure, there is provided a signaling configuration apparatus including: a receiving module configured to receive first configuration information transmitted by a controller through a PCEP; and a configuration module configured to be according to the first A configuration information configures two-way signaling for the primary LSP.

According to still another embodiment of the present disclosure, there is provided a signaling configuration apparatus, including: a transmitting module configured to transmit first configuration information to a terminal by using a PCEP, wherein the first configuration information is used to trigger the The terminal configures bidirectional signaling for the primary LSP.

According to still another embodiment of the present disclosure, there is also provided a computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor, causing the processor to execute the above embodiments The signaling configuration method described in the above.

DRAWINGS

The drawings and the associated schematic embodiments shown herein are merely provided to provide a further understanding of the present disclosure and constitute a part of the present disclosure, and are not intended to limit the disclosure. In the drawing,

1 is a block diagram showing a hardware configuration of a mobile terminal for implementing a signaling configuration method according to an embodiment of the present disclosure;

2 is a flowchart of a signaling configuration method in accordance with an embodiment of the present disclosure;

3 is a schematic diagram of a format of an LSP object according to an embodiment of the present disclosure;

4 is a schematic diagram of a format of an LSPA object according to an embodiment of the present disclosure;

FIG. 5 is a flowchart of a signaling configuration method according to another embodiment of the present disclosure; FIG.

6 is a network diagram of an operator single domain network networking according to an embodiment of the present disclosure;

7 is a flowchart of a PCEP session establishment in accordance with an embodiment of the present disclosure;

FIG. 8 is a flowchart of an LSP active delivery according to an embodiment of the present disclosure;

9 is a diagram of an operator cross-domain network networking according to an embodiment of the present disclosure;

FIG. 10 is a flowchart of passive delivery of an LSP according to an embodiment of the present disclosure; FIG.

11 is a structural block diagram of a signaling configuration apparatus according to an embodiment of the present disclosure;

FIG. 12 is a structural block diagram of a signaling configuration apparatus according to another embodiment of the present disclosure.

detailed description

The present disclosure 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 disclosure and the features in the embodiments may be combined with each other without conflict.

It should be noted that the terms "first", "second" and the like in the specification and claims of the present disclosure and the drawings are used to distinguish similar objects, and are not intended to describe a specific order or order. .

1 is a hardware structural block diagram of a mobile terminal for implementing a signaling configuration method according to an embodiment of the present disclosure.

As shown in FIG. 1, mobile terminal 10 may include one or more (only one shown) processor 102, memory 104 for storing data, and transmission device 106 for communication functions. The processor 102 can include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA. It will be understood by those skilled in the art that the structure shown in FIG. 1 is merely illustrative and is not intended to limit the structure of the above electronic device. For example, the mobile terminal 10 may include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG. In addition, it is to be noted that although the signaling configuration method is described as being performed on the mobile terminal shown in FIG. 1, the method may be performed in a computer terminal or the like.

The memory 104 can be used to store program instructions and/or modules of application software, such as program instructions and/or modules corresponding to the signaling methods in embodiments of the present disclosure, by the processor 102 executing program instructions stored in the memory 104 and/or Or modules to implement various functions, for example, to implement the signaling configuration method described above. Memory 104 may include high speed random access memory as well as non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 104 may also include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Transmission device 106 is for receiving or transmitting data via a network. For example, data may be received or transmitted via a wireless network provided by a communication provider of the mobile terminal 10. In one example, the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet. In one example, the transmission device 106 can be a Radio Frequency (RF) module that can communicate with the Internet wirelessly.

According to an embodiment of the present disclosure, a signaling configuration method is provided, which may be performed on the mobile terminal shown in FIG. 1. FIG. 2 is a flowchart of the signaling configuration method. As shown in FIG. 2, the flow of the signaling configuration method includes the following steps S202 to S208.

At step S202, the first configuration information transmitted by the controller through the PCEP is received.

At step S204, bidirectional signaling is configured for the primary LSP according to the first configuration information.

At step S206, the second configuration information transmitted by the controller through the PCEP is received.

At step S208, bidirectional signaling is configured for the standby LSP according to the second configuration information.

Through the foregoing steps S202 to S208, the controller sends configuration information for triggering the terminal to configure bidirectional signaling for the LSP through the PCEP, so that the terminal can configure bidirectional signaling for the LSP according to the configuration information, and trigger the terminal device to configure the LSP by using the controller. The effect of two-way signaling.

In one embodiment, the predetermined area of the PCEP's initial information (ie, the first configuration information) has a first bit and a second bit, wherein the first bit and the second bit The bit is used to identify that two-way signaling is to be configured for the primary LSP.

In an embodiment, the step S204 of configuring bidirectional signaling for the primary LSP according to the first configuration information includes: according to the first bit and the second bit in the first configuration information, being the primary The LSP creates a first reverse LSP, where the first reverse LSP is the same as the path of the primary LSP but in the opposite direction.

Specifically, the initialization message sent to the terminal device in the controller may carry related information to trigger the terminal device to configure the protected two-way signaling for the primary LSP.

For example, in the Flag area of the LSP object in the initialization message of the PCEP, there may be a B bit, which indicates whether the controller requires the terminal device to establish whether it is a bidirectional LSP. In the case that the two-way signaling is to be configured for the primary LSP, the initialization message needs to carry the B-bit when the initialization message is sent to the terminal. The B bit can be seen in FIG. 3, which shows a schematic diagram of the format of an LSP object according to an embodiment of the present disclosure.

For example, in the protect-tlv carried in the LSPA object in the initialization message of the PCEP, there may be a P bit and an LSP Flags. The P-bit and LSP Flags can be seen in FIG. 4. FIG. 4 shows a schematic diagram of the format of an LSPA object according to an embodiment of the present disclosure. In the case where bidirectional signaling is to be configured for the primary LSP, the P bit can be set to 0 and the LSP Flags can be set to 0x08 (1+1 Unidirectional Protection).

In one embodiment, the predetermined area of the PCEP update information (ie, the second configuration information) has a first bit and a second bit, wherein the first bit and the second bit The bit is used to identify that two-way signaling is to be configured for the standby LSP.

In an embodiment, the step S208 of configuring the bidirectional signaling for the standby LSP according to the second configuration information includes: according to the first bit and the second bit in the second configuration information, The LSP creates a second reverse LSP, where the second reverse LSP is the same as the path of the standby LSP but opposite in direction.

Specifically, the update information sent to the terminal device in the controller may carry related information to trigger the terminal device to configure the protected bidirectional signaling for the standby LSP.

For example, in the Flag area of the LSP object in the update information of the PCEP, there may be a B bit, which indicates whether the controller requires the terminal device to establish whether it is a bidirectional LSP. When the two-way signaling is to be configured for the standby LSP, the update information needs to carry the B-bit when the update information is sent to the terminal, as shown in FIG.

For example, in the protect-tlv carried in the LSPA object in the update information of the PCEP, there may be a P bit and an LSP Flags. See Figure 4 for the P bits and LSP Flags. In the case where bidirectional signaling is to be configured for the standby path, the P bit can be set to 1 and the LSP Flags can be set to 0x08 (1+1 Unidirectional Protection).

In an embodiment, the first configuration information and the second configuration information further have protection information, where the protection is detected when the current LSP is detected to be switched from the primary LSP to the backup LSP. The information triggers the reverse LSP of the current LSP to switch from the first reverse LSP to the second reverse LSP.

For example, the configuration signaling bidirectional can automatically create a reverse LSP at the tail node of the primary LSP, and its path is consistent with the primary LSP, but its direction is opposite to that of the primary LSP. If the traffic is switched from the primary LSP to the standby LSP, the reverse tunnel automatically switches from the reverse LSP of the primary LSP (that is, the first reverse LSP) to the reverse LSP of the standby LSP (that is, the second reverse LSP). The protection information is used to switch to the standby LSP (the reverse LSP of the standby LSP) when the head node of the primary LSP is switched to the standby LSP.

A signaling configuration method is further provided in another embodiment of the present disclosure, and FIG. 5 is a flowchart of a signaling configuration method according to another embodiment of the present disclosure.

As shown in FIG. 5, the flow of the signaling configuration method includes steps S502 to S504.

At step S502, the first configuration information is sent to the terminal by using the PCEP, where the first configuration information is used to trigger the terminal to configure bidirectional signaling for the primary LSP.

At step S504, the second configuration information is sent to the terminal by using the PCEP, where the second configuration information is used to trigger the terminal to configure bidirectional signaling for the standby LSP.

In one embodiment, before transmitting the first configuration information (ie, step S502) to the terminal by using the PCEP, the signaling configuration method further includes: setting the first bit and the second in a predetermined area of the first configuration information. a bit, wherein the first bit and the second bit are used to identify that bidirectional signaling is to be configured for the primary LSP.

In an embodiment, the first configuration information is used to trigger the terminal to create a first reverse LSP for the primary LSP according to the first bit and the second bit in the first configuration information, where The first reverse LSP is the same as the path of the primary LSP but opposite in direction.

In an embodiment, before transmitting the second configuration information (ie, step S504) to the terminal by using the PCEP, the signaling configuration method further includes: setting the first bit and the second in a predetermined area of the second configuration information. a bit, wherein the first bit and the second bit are used to identify that two-way signaling is to be configured for the standby LSP.

In an embodiment, the second configuration information is used to trigger the terminal to create a second reverse LSP for the standby LSP according to the first bit and the second bit in the second configuration information, where The second reverse LSP is the same as the path of the standby LSP but opposite in direction.

In an embodiment, the first configuration information and the second configuration information further have protection information, where the protection is detected when the current LSP is detected to be switched from the primary LSP to the backup LSP. The information triggers a reverse LSP of the current LSP of the terminal to be switched from the first reverse LSP to the second reverse LSP.

In the above embodiments, the controller may configure bidirectional signaling while transmitting information (for example, initialization information and update information) for the LSP through the PCEP.

According to the foregoing embodiments, the information for the LSP can be sent by using the PCEP protocol. For example, the primary LSP and the backup LSP can be delivered by setting the association object and protect-tlv in the initialization message and the update message of the PCEP protocol. In order to simultaneously configure bidirectional signaling when transmitting information for the LSP through the PCEP protocol, the PCEP protocol may be extended. For example, the association object and protect-tlv in the initialization message and the update message may be extended. The extended association object and protect-tlv are shown, for example, with reference to FIGS. 3 and 4.

The SDN controller system for implementing the foregoing embodiments may include a topology management module, a path calculation module, a tunnel module, and a configuration delivery module.

The topology management module can perform the following operations: running a Border Gateway Protocol-Link State (BGP-LS) routing protocol through the SDN controller and the forwarding device; collecting topology information from the forwarding device; and managing the SDN domain. Topology information to provide path information.

The path computation module can calculate an optimal forwarding path for the service start and end points based on topology information and constraints (eg, bandwidth, path constraints, etc.).

The tunnel module can manage the tunnel information and the information about the LSP and create a tunnel. The tunnel module can also transmit the tunnel information and the information used for the LSP to the configuration delivery module according to the service requirements.

The configuration of the sending module can include the netconf channel and the PCEP channel. The configuration module can send the tunnel configuration through the netconf channel according to the service requirements and the path information calculated by the path calculation module, and then send the LSP through the PCEP channel. Information.

The method of configuring the primary LSP and the backup LSP based on the SDN controller according to an embodiment of the present disclosure may include the following steps 11 to 14. Those skilled in the art will appreciate that LSPs can be used to establish tunnels, so in some embodiments, the terms "tunnel" and "LSP" can be used interchangeably.

At step 11, the basic configuration of the network is completed. For example, an IP address can be planned and configured for each network device and each interface of the device, and the devices can be properly connected to each other, and the Interior Gateway Protocol (IGP) can be routed through in each domain.

At step 12, the SDN controller collects topology information within the managed domain through the BGP-LS routing protocol.

At step 13, the path calculation module of the SDN controller calculates the optimal path according to the collected topology information and path constraint information (such as bandwidth, delay, node inclusion, or node exclusion, etc.) carried when the service is created.

At step 14, the calculated optimal path information is sent to the device through the netconf channel, and then the information for the LSP is sent to the device through the PCEP channel, where the information for the LSP is carried in the device. Configure information about bidirectional signaling.

6 is a diagram of an operator single domain network networking in accordance with an embodiment of the present disclosure.

As shown in Figure 6, the SDN controller manages the entire single-domain network. For example, the SDN controller can be used to deploy a single-domain seamless multi-protocol label switching (MPLS) network, implement topology collection, path calculation, The Border Gateway Protocol (BGP)/PCEP configuration delivers and clears the traffic of the access device in the domain to the aggregation device. In addition, bidirectional signaling can also be configured for the primary LSP and the backup LSP by using the signaling configuration method described in the embodiments of the present disclosure. The method of performing single-domain network networking using an SDN controller according to an embodiment of the present disclosure may include the following steps 21 to 24.

At step 21, the SDN controller and device are first started. Then, the SDN controller sends BGP configuration information and PCEP configuration information to the device through the netconf channel, so as to establish a BGP connection and a PCEP session between the SDN controller and the device. After that, the SDN controller collects topology information in the managed domain through the BGP-LS routing protocol.

At step 22, the SDN controller establishes a PCEP session with all devices within its managed domain. The process of creating a PCEP session is shown in Figure 7.

Referring to Figure 7, the device sends an OPEN message to the SDN controller, and the SDN controller returns an OPEN message to the device. The PCEP session is then maintained between the device and the SDN controller by the sending and receiving of a session keepalive message.

At step 23, the tunnel module of the SDN controller creates an intra-domain tunnel (eg, a primary LSP and a backup LSP). For example, the optimal path calculated by the module may be calculated according to the path of the SDN controller, and the delivery of the tunnel configuration and the delivery of the information for the LSP may be performed. The tunnel configuration can be delivered through the netconf channel of the SDN controller. After the tunnel is successfully configured, the information about the primary LSP and the standby LSP can be delivered.

In the present disclosure, two-way signaling is required for the primary LSP and the secondary LSP. Therefore, the extended PCEP protocol can be used to deliver messages for the primary LSP and the backup LSP. The message for the LSP can be delivered in an active or passive manner.

FIG. 8 is a flowchart of actively delivering a message for an LSP according to an embodiment of the present disclosure.

As shown in FIG. 8, the SDN controller first sends an initialization message to the device. Generally, the association object and protect-tlv in the message can be initialized to deliver the primary LSP and the standby LSP. In the extended PCEP protocol, the association object and the protect-tlv are carried in the initialization message to extend the association object and the protect-tlv, so that the message carries the information for configuring the bidirectional signaling. After the initialization message is sent to the device, the device can parse the initialization message, create a primary LSP, and configure bidirectional signaling for the primary LSP. After the primary LSP is successfully created, the device returns a report message to the SDN controller. After receiving the report message returned by the device, the SDN controller invokes the update message to send the standby LSP. The update message also carries the association object and protect-tlv, and also extends the association object and protect-tlv so that the update message carries information for configuring bidirectional signaling. After the update message is sent to the device, the device can parse the update message, create a standby LSP, and configure bidirectional signaling for the standby LSP.

It is to be understood that although the active mode is used to deliver the LSP, the LSP may be delivered in the passive mode described below in connection with FIG.

At step 24, a service is created and the intra-domain tunnel is opened.

9 is a diagram of an operator cross-domain network networking in accordance with an embodiment of the present disclosure.

As shown in Figure 9, the SDN controller manages the entire inter-domain network. For example, an H controller and three D controllers can be used to implement topology collection, path calculation, BGP/PCEP configuration delivery, and access ring Acc- Traffic from the PE1 device to the core ring N-PE3 device. In addition, bidirectional signaling can also be configured for the primary LSP and the backup LSP by using the signaling configuration method described in the embodiments of the present disclosure. The method of performing cross-domain network networking using an SDN controller according to an embodiment of the present disclosure may include the following steps 31 to 34.

At step 31, the H controller and the D controllers and devices of the various domains are first activated. Then, the D controller of each domain sends BGP and PCEP configuration information to the device through the netconf channel to establish a BGP connection and a PCEP session between the D controllers and the device. Finally, each D controller collects the topology information in the managed domain through the BGP-LS protocol, and reports the collected topology information to the H controller.

At step 32, the SDN controller establishes a PCEP session with all devices within its managed domain. The process of creating a PCEP session is shown in Figure 7.

At step 33, the tunnel module of the SDN controller creates an intra-domain tunnel (eg, a primary LSP and a backup LSP). For example, the optimal path calculated by the module may be calculated according to the path of the SDN controller, and the delivery of the tunnel configuration and the delivery of the information for the LSP may be performed. The tunnel configuration can be delivered through the netconf channel of the SDN controller. After the tunnel is successfully configured, the information about the primary LSP and the standby LSP can be delivered.

In the present disclosure, two-way signaling is required for the primary LSP and the secondary LSP. Therefore, the extended PCEP protocol can be used to deliver messages for the primary LSP and the backup LSP. The message for the LSP can be delivered in an active or passive manner.

FIG. 10 is a flowchart of a message for passively delivering an LSP according to an embodiment of the present disclosure.

As shown in FIG. 10, in the case that the SDN controller passively delivers a message for the LSP, the device may send a request message to the SDN controller, and the SDN controller may reply to the reply message. Generally, the primary LSP and the standby LSP can be sent in the association object and protect-tlv in the reply message. In the extended PCEP protocol, the association object and the protect-tlv may be extended when the reply message carries the association object and the protect LSP, and the message carries the information for configuring the bidirectional signaling.

After the reply message is sent to the device, the device can parse the reply message, create a primary LSP, and configure bidirectional signaling for the primary LSP. After the device successfully creates the primary LSP, it sends a request message to the SDN controller, and the SDN server can continue to reply to the reply message. The reply message also carries the association object and protect-tlv, and also extends the association object and protect-tlv, so that the reply message carries information for configuring bidirectional signaling, and is sent in the reply message. After the device is sent to the device, the device can resolve the reply message, create a backup LSP, and configure bidirectional signaling for the standby LSP.

It is to be understood that although the message for the LSP is delivered in a passive manner, the active mode described above in connection with FIG. 8 can also be used to deliver the message for the LSP.

At step 34, a service is created and the cross-domain channel is opened.

It should be understood by those skilled in the art that the method according to the above embodiments may be implemented by software or by hardware. Therefore, an essential part of the disclosure or a part contributing to the prior art may be embodied in the form of a computer software product, which may be stored in a storage medium (such as a ROM/RAM, a disk, an optical disk). And includes instructions for causing a terminal device (eg, a cell phone, a computer, a server, or a network device, etc.) to perform signaling configuration methods in accordance with various embodiments of the present disclosure.

The embodiment of the present disclosure further provides a signaling configuration apparatus, which is used to implement the signaling configuration method described in the foregoing embodiments. As used below, the term "module" can be software, hardware, or a combination thereof that implements a particular function.

11 is a structural block diagram of a signaling configuration apparatus according to an embodiment of the present disclosure. As shown in FIG. 11, the apparatus includes a receiving module 112 and a configuration module 114.

The receiving module 112 is configured to receive first configuration information sent by the controller through the PCEP.

The configuration module 114 is connected to the receiving module 112, and is configured to configure bidirectional signaling for the primary LSP according to the first configuration information.

In an embodiment, the receiving module 112 is further configured to: after the configuration module 114 configures the bidirectional signaling for the primary LSP according to the first configuration information, receive the second configuration information sent by the controller through the PCEP, and the configuration module 114 is further configured to The second configuration information is configured to configure bidirectional signaling for the standby LSP.

In one embodiment, the receiving module 112 and the configuration module 114 may also be arranged to perform various signaling configuration methods described in accordance with embodiments of the present disclosure.

FIG. 12 is a structural block diagram of a signaling configuration apparatus according to another embodiment of the present disclosure. As shown in FIG. 12, the apparatus includes a transmitting module 122.

The sending module 122 is configured to send the first configuration information to the terminal by using the PCEP, where the first configuration information is used to trigger the terminal to configure bidirectional signaling for the primary LSP.

In an embodiment, the sending module 122 is further configured to send the second configuration information to the terminal by using the PCEP after the first configuration information is sent to the terminal by using the PCEP, where the second configuration information is used to trigger the terminal to configure the standby LSP. Two-way signaling.

In one embodiment, the transmitting module 122 may also be configured to perform various signaling configuration methods described in accordance with embodiments of the present disclosure.

The receiving module 112, the configuration module 114, and the transmitting module 122 can be implemented by software, hardware, or a combination thereof. In one embodiment, each module may be located in the same processor, while in another embodiment, the modules may be located in different processors in any combination.

Embodiments of the present disclosure also provide a computer readable storage medium. The computer readable storage medium may store a computer program that, when executed by a processor, causes the processor to perform the signaling configuration methods described in the various embodiments above. For example, when the computer program is executed by a processor, the processor can be caused to perform the various signaling configuration methods described in the above embodiments.

The computer readable storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk. Computer readable medium for a computer program.

It will be understood by those skilled in the art that the various modules or steps of the present disclosure may be implemented on a single computing device, or may be distributed across multiple Implemented on the computing device. When the various modules or steps are implemented using computer-executable program code, the program code can be stored in a storage device for execution by the computing device. When the modules or steps are implemented by using an integrated circuit module, the modules or steps may be separately fabricated into separate integrated circuit modules, or the modules or steps may be fabricated into a single integrated circuit module. . In some embodiments, the steps may be performed in an order different than that described herein, and the disclosure is not limited to any particular hardware, software, or combination thereof.

The above description is only exemplary embodiments of the present disclosure, and is not intended to limit the scope of the disclosure. Any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art within the spirit and scope of the present disclosure are deemed to be included within the scope of the present disclosure.

Claims (23)

A signaling configuration method includes: Receiving, by the controller, first configuration information sent by the path computation component communication protocol PCEP; And configuring bidirectional signaling for the primary label switching path LSP according to the first configuration information. The method of claim 1, wherein the predetermined area of the first configuration information has a first bit and a second bit, wherein the first bit and the second bit are used to identify Two-way signaling is to be configured for the primary LSP. The method of claim 2, wherein the step of configuring bidirectional signaling for the primary LSP according to the first configuration information comprises: Creating a first reverse LSP for the primary LSP according to the first bit and the second bit in the first configuration information, where the first reverse LSP and the primary LSP are The paths are the same but in the opposite direction. The method of claim 3, wherein after the step of configuring bidirectional signaling for the primary LSP according to the first configuration information, the method further comprises: Receiving second configuration information sent by the controller through the PCEP; And configuring bidirectional signaling for the standby LSP according to the second configuration information. The method of claim 4, wherein the predetermined area of the second configuration information has a first bit and a second bit, wherein the first bit and the second bit are used to identify Two-way signaling is configured for the standby LSP. The method of claim 5, wherein the step of configuring bidirectional signaling for the standby LSP according to the second configuration information comprises: Creating a second reverse LSP for the standby LSP according to the first bit and the second bit in the second configuration information, where the second reverse LSP and the standby LSP are The paths are the same but in the opposite direction. The method according to claim 6, wherein the first configuration information and the second configuration information further have protection information, wherein, in case detecting that the current LSP is switched from the primary LSP to the standby LSP And the protection information triggers a reverse LSP of the current LSP to be switched from the first reverse LSP to the second reverse LSP. The method of claim 4, wherein the first configuration information is initialization information of a PCEP, and the second configuration information is update information of a PCEP. The method of claim 4, wherein the first configuration information and the second configuration information are reply information of a PCEP. A signaling configuration method includes: The first configuration information is sent to the terminal by the path computation component communication protocol PCEP, wherein the first configuration information is used to trigger the terminal to configure bidirectional signaling for the primary label switching path LSP. The method of claim 10, wherein before the sending the first configuration information to the terminal by using a PCEP, the method further comprises: Setting a first bit and a second bit in a predetermined area of the first configuration information, wherein the first bit and the second bit are used to identify that two-way signaling is to be configured for the primary LSP . The method according to claim 11, wherein the first configuration information is further configured to trigger the terminal to use the first bit and the second bit in the first configuration information as the main The LSP creates a first reverse LSP, where the first reverse LSP is the same as the path of the primary LSP but in the opposite direction. The method of claim 12, wherein after the step of transmitting the first configuration information to the terminal by the PCEP, the method further comprises: The second configuration information is sent to the terminal by using the PCEP, where the second configuration information is used to trigger the terminal to configure bidirectional signaling for the standby LSP. The method of claim 13, wherein before the sending the second configuration information to the terminal by using the PCEP, the method further comprises: Setting a first bit and a second bit in a predetermined area of the second configuration information, wherein the first bit and the second bit are used to identify that two-way signaling is to be configured for the standby LSP . The method according to claim 14, wherein the second configuration information is further configured to trigger the terminal to use the first bit and the second bit in the second configuration information as the standby The LSP creates a second reverse LSP, where the second reverse LSP is the same as the path of the standby LSP but opposite in direction. The method according to claim 15, wherein the first configuration information and the second configuration information further have protection information, wherein, when detecting that the current LSP is handed over from the primary LSP to the backup LSP And the protection information triggers the reverse LSP of the current LSP of the terminal to be switched from the first reverse LSP to the second reverse LSP. The method of claim 13, wherein the first configuration information is initialization information of a PCEP, and the second configuration information is update information of a PCEP. The method of claim 13, wherein the first configuration information and the second configuration information are reply information of a PCEP. A signaling configuration apparatus includes: a receiving module configured to receive first configuration information sent by the controller through the path computation component communication protocol PCEP; And a configuration module, configured to configure bidirectional signaling according to the first configuration information as the primary label switching path LSP. The device according to claim 19, wherein The receiving module is further configured to receive second configuration information that is sent by the controller by using a PCEP after configuring bidirectional signaling for the primary LSP according to the first configuration information, and The configuration module is further configured to configure bidirectional signaling for the standby LSP according to the second configuration information. A signaling configuration apparatus includes: And a sending module, configured to send the first configuration information to the terminal by using the path computation component communication protocol PCEP, wherein the first configuration information is used to trigger the terminal to configure bidirectional signaling for the primary label switching path LSP. The apparatus according to claim 17, wherein the sending module is further configured to send second configuration information to the terminal by using a PCEP after transmitting the first configuration information to the terminal by using a PCEP, wherein the The second configuration information is used to trigger the terminal to configure bidirectional signaling for the standby LSP. A computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor, causing the processor to perform the signaling configuration method according to any one of claims 1 to 18.

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