WO2017059715A1

WO2017059715A1 - Data configuration method and device for protecting ring network

Info

Publication number: WO2017059715A1
Application number: PCT/CN2016/089809
Authority: WO
Inventors: 刘星
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-10-08
Filing date: 2016-07-12
Publication date: 2017-04-13
Also published as: CN106571936A

Abstract

The present application provides a data configuration method and device for protecting a ring network. The method comprises: a first node of multiple nodes in a ring network acquires configuration data, wherein the configuration data is used to protect the ring network; and the first node sends to other nodes in the ring network except for the first node a first packet carrying the configuration data, wherein the first packet is used to instruct the other nodes to perform data configuration according to the configuration data in the first packet.

Description

Data configuration method and device for ring network protection

Technical field

The present application relates to, but is not limited to, the field of communications, and in particular, to a data configuration method and apparatus for ring network protection.

Background technique

A ring network protection protocol, for example, Ethernet Ring Protection Switching (ERPS) described in the G.8032 standard, which blocks a ring protection link (Ring Protection Link, RPL link for short) when the network is normal. ), after detecting a link fault, blocking the faulty link and opening the RPL link to implement service protection and fast handover.

When the ring network protection function is deployed, multiple devices are generally set up in the ring network. Each device needs to be configured with complex configuration commands related to the protection protocol. On the one hand, the repetitive operation of configuring each device greatly increases the workload, thereby reducing the ease of use; on the other hand, a large number of complex configurations are easy to introduce errors, affecting the smooth deployment and use of functions.

In view of the technical problem of low data allocation efficiency of the ring network protection in the related art, an effective solution has not been proposed yet.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the invention provides a data configuration method and device for ring network protection, which solves the technical problem that the data configuration efficiency of the ring network protection is low in the related art.

A data configuration method for a ring network protection, comprising: a first node of a plurality of nodes of a ring network acquiring configuration data, wherein the configuration data is configuration data related to performing ring network protection; and the first node sends the configuration data carrying the configuration data. The first packet is sent to the node other than the first node in the ring network, where the first packet is used to instruct other nodes to perform data configuration according to the configuration data in the first packet.

Optionally, the method further includes: after the first node sends the first packet carrying the configuration data to other nodes in the ring network except the first node, the first node and other nodes are completed. After configuring the configuration of the data, perform the deployment of the ring network protection.

Optionally, after the configuration of the configuration data is completed, the first node and the other nodes perform the deployment of the ring network protection, including: determining a target node from multiple nodes of the ring network, where the target node is configured to send the second packet, The second packet is used to indicate that the node other than the target node in the ring network initiates the ring network protection function.

Optionally, the first packet carries the node identifier of the first node, and determining the target node from the multiple nodes of the ring network includes: each other node separately generates a third packet, where the third packet Carrying the node identifier of the node; and each other node respectively sends the generated third packet to a node other than itself in the ring network; the first node and other nodes determine the target node according to the acquired node identifier.

Optionally, determining, by the first node and the other node, the target node according to the obtained node identifier, the first node and the other node respectively determining whether a relationship between the node identifier of the node itself and the acquired node identifier meets a preset rule. And determining whether the node is a target node according to the judgment result.

Optionally, the node identifier includes a media access control MAC address of the node; the preset rule is that the node identifier of the node itself is greater than the obtained node identifier.

Optionally, the method further includes: after determining the target node from the first node and the other node, the target node generates and sends a fourth packet, where the fourth packet carries a time-to-live TTL; The node other than the node performs preset change processing on the TTL in the received fourth packet, and forwards the processed fourth packet; the node other than the target node in the ring network receives the fourth packet according to the received packet. The TTL determines its position in the ring network.

Optionally, in the case that the ring network includes multiple sub-ring networks, where each sub-ring network includes the first node and other nodes, the first packet and the third packet further carry port count information, port count information. The port includes the total number of times the port is the target port and the neighbor port. The target port is the port used by the target node to send the initial TTL, the neighbor port is the port that receives the initial TTL, and the multiple sub-ring networks include the first sub-ring network.

Determining the target node according to the obtained node identifier further includes: the first sub-ring network determines the port with the least total number according to the port count information of the other sub-ring networks; and the first sub-ring network is based on the port with the least total number of times Determining a target port of the first sub-ring network; first The sub-ring network determines the target node based on the target port.

Optionally, the determining, by the first sub-ring network, the target port of the first sub-ring network according to the port with the least total number of times: the port of the node with the largest MAC address of the port with the least total number of times selected by the first sub-ring network is used as the target port. .

Optionally, the method further includes: when the target node receives the third packet, the target node resets the first timer; the target node detects whether the first timer expires; and if the first timer expires, Then the target node sends a second packet.

Optionally, the method further includes: when the first node and the other node receive the third packet, the first node and the other node respectively detect whether the corresponding second timer expires; if the corresponding second timer is detected When the timeout occurs, the first node and other nodes determine the target node according to the acquired node identifier.

Optionally, the second packet further carries a TTL.

The method further includes: in the case of adding a node in the ring network, the node other than the target node in the ring network performs preset change processing on the TTL in the received second packet, and forwards the processed second The packet; the node other than the target node in the ring network determines its position in the ring network according to the TTL of the received second message.

Optionally, the second packet further carries a TTL.

The method further includes: in the case of adding a node in the ring network, the node other than the target node in the ring network detects whether the second message is received within the preset time period; if it is detected within the preset time period Receiving the second packet, the node other than the target node in the ring network performs preset change processing on the TTL in the received second packet, and forwards the processed second packet, and the ring network. The node other than the target node determines its location in the ring network according to the TTL of the received second packet; if it detects that the second packet is not received within the preset time period, the ring network is The node other than the target node deletes the node identification information of the target node in the acquired node identifier, and re-determines the target node.

A data configuration device for ring network protection includes: an acquisition module and a transmission module.

The obtaining module is configured to obtain configuration data of the first node of the plurality of nodes of the ring network, wherein the configuration data is configuration data related to performing ring network protection.

The sending module is configured to enable the first node to send the first packet carrying the configuration data to the node other than the first node in the ring network, where the first packet is used to indicate that the other node is in the first packet according to the first packet. The configuration data performs data configuration.

Optionally, the apparatus further includes: an execution module.

An execution module, configured to: after the sending module sends the first packet carrying the configuration data to other nodes in the ring network except the first node, the first node and other nodes are configured After the data is configured, the deployment of the ring network protection is performed.

Optionally, after the configuration of the configuration data is completed, the performing, by the first node, and the other nodes, the performing module performing the deployment of the ring network protection includes:

A target node is determined from a plurality of nodes of the ring network.

The target node is configured to send a second packet, where the second packet is used to indicate that other nodes in the ring network except the target node initiate a ring network protection function.

Optionally, the first packet carries the node identifier of the first node.

Determining the target node from the plurality of nodes of the ring network by the execution module includes:

And causing each of the other nodes to generate a third packet, where the third packet carries a node identifier of the node; and each of the other nodes respectively sends the generated third packet to the ring A node in the network other than itself.

And causing the first node and the other node to determine the target node according to the acquired node identifier.

Optionally, the executing module is configured to determine, by the first node and the other node, the target node according to the obtained node identifier, including:

The first node and the other nodes respectively determine whether the relationship between the node identifier of the node itself and the acquired node identifier meets a preset rule, and determines whether the node is the target node according to the determination result.

Optionally,

The node identifier includes a media access control MAC address of the node.

The preset rule is that the node identifier of the node itself is greater than the obtained node identifier.

Optionally, the device further includes a generating module, a processing module, and a determining module.

The generating module is configured to: after determining the target node from the first node and the other nodes, causing the target node to generate and send a fourth packet, where the fourth packet carries a lifetime TTL.

The processing module is configured to enable a node other than the target node in the ring network to perform preset change processing on the received TTL in the fourth packet, and forward the processed fourth packet .

The determining module is configured to enable a node other than the target node in the ring network to determine its location in the ring network according to the received TTL of the fourth packet.

Optionally, in the case that the ring network includes multiple sub-ring networks, where each sub-ring network includes a first node and other nodes, the first packet and the third packet further carry a port. Counting information, the port count information includes a total number of times that the port is the target port and the neighbor port, the target port is a port used by the target node to send an initial TTL, and the neighbor port is a port that receives the initial TTL The plurality of sub-ring networks include a first sub-ring network.

Determining, by the execution module, that the first node and the other node determine the target node according to the obtained node identifier further includes:

And causing the first sub-ring network to determine the port with the least total number of times according to port count information of other sub-ring networks.

And causing the first sub-ring network to determine a target port of the first sub-ring network according to the port with the least total number of times.

And causing the first sub-ring network to determine the target node according to the target port.

Optionally, the executing module is configured to determine, by the first sub-ring network, the target port of the first sub-ring network according to the port with the least total number of times:

And causing the first sub-ring network to select, as the target port, a port of a node with a corresponding least MAC address among the ports with the least total number of times.

Optionally, the device further includes a reset module and a detection module.

The reset module is configured to enable the target node to reset the first timer when the target node receives the third packet.

The detecting module is configured to enable the target node to detect whether the first timer expires.

The sending module is further configured to send the second packet if the first timer is detected to be timed out.

Optionally,

The detecting module is further configured to: when the first node and the other node receive the third packet, let the first node and the other node respectively detect whether the corresponding second timer expires .

The determining module is further configured to: if it is detected that the corresponding second timer expires, let the first node and the other node determine the target node according to the acquired node identifier.

Optionally, the second packet further carries a TTL.

The execution module is further configured to:

In a case where a node is added to the ring network, the node other than the target node in the ring network performs preset change processing on the received TTL in the second packet, and performs forwarding processing. After the second message.

And determining, by the node other than the target node, the location of the second packet in the ring network according to the received TTL of the second packet.

Optionally, the second packet further carries a TTL.

The detecting module is further configured to: when a node is added to the ring network, cause a node other than the target node in the ring network to detect whether the second is received within a preset time period Message.

The execution module is further configured to: if it is detected that the second message is received within a preset time period, let the node in the ring network other than the target node receive the second The TTL in the packet performs the preset change processing, and forwards the processed second packet, and causes the node other than the target node in the ring network to determine the TTL according to the received second packet. The location of itself in the ring network.

The execution module is further configured to: if it is detected that the second packet is not received within the preset time period, let the node in the ring network that is acquired by the node other than the target node The node identification information of the target node is deleted, and the target node is re-determined.

A computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the data configuration method of the ring network protection.

According to the embodiment of the present invention, the configuration data is obtained by the first node of the plurality of nodes of the ring network, wherein the configuration data is configured to perform configuration related to the ring network protection; the first node sends the first packet carrying the configuration data. And other nodes in the ring network except the first node, where the first packet is used to instruct other nodes to perform data configuration according to the configuration data in the first packet, which solves the data configuration efficiency of the ring network protection in the related art. Low technical problems have achieved the effect of improving the data configuration efficiency of the ring network protection.

BRIEF abstract

1 is a flowchart of a data configuration method for ring network protection according to a first embodiment of the present invention;

2 is a schematic diagram showing an initial state of a data configuration method for ring network protection according to a second embodiment of the present invention;

3 is a schematic diagram of a syntax state of a data configuration method for ring network protection according to a second embodiment of the present invention;

4 is a schematic diagram of a learning state of a data configuration method for ring network protection according to a second embodiment of the present invention;

5 is a schematic diagram of a newly added node in a data configuration method for ring network protection according to a second embodiment of the present invention;

FIG. 6 is a structural block diagram of a data configuration apparatus for ring network protection according to an embodiment of the present invention.

Embodiments of the invention

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the features of the embodiments and the embodiments in the present application can 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 embodiments of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. order.

In this embodiment, a data configuration method for ring network protection is provided, and FIG. 1 is based on the present invention. A flowchart of a data configuration method for ring network protection according to the first embodiment of the present invention is shown in FIG. 1, and the process includes steps S101-S102:

Step S101: The first node of the plurality of nodes of the ring network acquires configuration data, where the configuration data is configuration data related to performing ring network protection.

The first node can be any selected one of the nodes in the ring network. The configuration data is data required for the ring network to implement the ring network protection function. For example, the configuration data may be configuration data related to Ethernet Multi-ring Protection (ERPS) data and ring network protection protocol. The ring network protection function can be implemented only after the data configuration of each node is completed.

The following takes ERPS as an example for explanation. The configuration data includes: an ERPS instance number, an associated virtual local area network VLAN (protocol VLAN, service VLAN), and two ring network ports (one of which is blocked by default to prevent looping). Other protocol related data can be configured by default or manually, including: associated MSTP instance (default is the same as ERPS instance number), ERPS timer parameter, switching mode (default is recoverable mode), Ringid (default is instance number) )Wait. The role of each port in the ring network (relative connection relationship) can be automatically learned.

In the step S102, the first node sends the first packet carrying the configuration data to the node other than the first node in the ring network, where the first packet is used to indicate that the other node is configured according to the configuration data in the first packet. Perform data configuration.

In order to improve the transmission efficiency, the first node may send the first message to other nodes in the ring network in a bidirectional manner. The sending mode is a forwarding mode. For example, the ring network includes a total of five nodes from the first to the fifth, wherein the first node is the first node, and the 1-2-3-4-5-1 forms a ring network. . The first node sends a first message to the second node and the fifth node, and the second node sends the received first message to the third node, and the fifth node receives the first message. The message is sent to the 4th message. After receiving the first packet, each node obtains the information of the configuration data contained therein, and performs corresponding data configuration according to the information of the configuration data. That is, in the processing of the first packet, the first node (the sending node) may perform the sending to the two ring network ports, and the received packets are discarded; the other nodes receive the message, and after corresponding processing, Forward to another ring port.

It should be noted that the configuration data is configured in the first node to activate the synchronization function of the entire ring network. After activation, the first node sends the first packet to the two ring ports (for example, carrying the ERPS) Parameter information, and includes the ring port of all ERPS instances on the node as the count of the RPL port). After receiving the packet, the other node determines the ERPS instance number, associated VLAN, and other parameters according to the content of the packet. The receiving port serves as the ring network port.

The first message may adopt a structure similar to the standard ERPS protocol. The destination media access control MAC address is 01-19-a8-00-00-[instance id], the Ethernet type is 8902, the version, opcode, and ERPS standard protocol packets are the same, and the packet payload part is customized. Including: packet type (for example, 01 for the first packet), lifetime TTL value, ERPS parameter information, port information, and so on.

According to the data configuration method of the ring network protection according to the embodiment, the configuration data is acquired by the first node of the plurality of nodes of the ring network, wherein the configuration data is configured to perform configuration related to the ring network protection; the first node sends the configuration The first packet of the data is sent to the node other than the first node in the ring network, where the first packet is used to instruct other nodes to perform data configuration according to the configuration data in the first packet, and the ring in the related art is solved. The technical problem of low efficiency of data protection of network protection, and then obtaining configuration data through the first node, and sending the configuration data to other nodes in the ring network, avoiding corresponding complex data of each node in the ring network. The configuration can achieve the deployment of the ring network protection function, resulting in low data configuration efficiency. The effect of improving the data configuration efficiency of the ring network protection is achieved by this embodiment.

Optionally, the method further includes: after the first node sends the first packet carrying the configuration data to other nodes in the ring network except the first node, the first node and other nodes complete the configuration of the configuration data. After that, the deployment of ring network protection is performed.

It should be noted that after the necessary data configuration is performed on each node in the ring network, the ring network protection function of the entire ring network can be deployed. To achieve business protection and fast switching functions.

Optionally, after the configuration of the configuration data is completed, the first node and the other nodes perform the deployment of the ring network protection, including: determining a target node from the first node and other nodes, where the target node is configured to send the second packet, The second packet is used to indicate that the node other than the target node in the ring network initiates the ring network protection function.

Determining the target node from the first node and other nodes may include: artificially specifying, for example, one of the first node and the other node may be designated as the target node (and the section is specified) Any port of the point is used as the target port; or, a node may be determined as a target node from the first node and other nodes according to a preset rule (and any port of the node is designated as the target port). Among them, the artificial designation is simple and easy; determining the target node by the preset rule can fully consider the load balancing and the like (for example, in the case where a plurality of ring links are included in the ring network).

The second message may adopt a structure similar to the standard ERPS protocol. The destination media access control MAC address is 01-19-a8-00-00-[instance id], the Ethernet type is 8902, the version, opcode, and ERPS standard protocol packets are the same, and the packet payload part is customized. Including: packet type (for example, 02 for the second message), lifetime TTL value, ERPS parameter information, port information, and so on.

The second packet is used to notify other nodes in the ring network that the protocol initiates a pending state, that is, a waiting phase for performing ring network protection. For example, after the ERPS protocol configured in each node enters the pending state, it can run according to the G.8032 standard. The target node sends the second packet to the other node. After receiving the second packet, the non-target node enters the ring network protection preparation state. For example, the timer can be used to determine when to perform the ring network protection. When the timer expires. Each node initiates a ring network protection function.

Optionally, the first packet carries the node identifier of the first node, and determining the target node from the first node and the other nodes includes: each other node generates a third packet, where the third packet carries The node identifier of the node; and each other node respectively sends the generated third packet to a node other than itself in the ring network; the first node and other nodes determine the target node according to the obtained node identifier.

After the other node receives the first packet sent by the first node, the node may be triggered to generate a third packet, and the third packet is sent to other nodes of the ring network. The third packet carries the node identifier of the sending node, and the node identifier is similar to the ID of each node, and is also the identifier information that is distinguished from different nodes in the ring network. For example, the identification information can be the MAC address of each node. In addition, the third message also includes other information, for example, the port of the ring network node is counted as an RPL port (ie, port count information) in all ERPS instances.

Among them, the third message can adopt a structure similar to the standard ERPS protocol. The destination media access control MAC address is 01-19-a8-00-00-[instance id], the Ethernet type is 8902, the version, opcode, and ERPS standard protocol packets are the same, and the packet payload part is customized. Including: message type (for example, 03 for the third message), lifetime TTL value, ERPS parameter information, port letter Interest and so on.

Determining the target node according to the acquired node identifier may include: (1) the first node and other nodes determine, according to the acquired node identifier, whether the target node is a target node (one of the ports has a target port) (2) Selecting one of the first node and other nodes to judge the target node. In the mode (1), each node judges according to all the obtained node identifiers, and if the judgment result conforms to the preset rule, the node may determine that it is the target node. Each node only judges whether it is the target node. If the judgment result does not meet the preset rules, no other processing is performed. In the method (2), since each node obtains the identification information of each node in the ring network, one of the nodes may be specified for judgment, and if it is determined that it is the target node, the other nodes may not be notified. The subsequent processing is directly performed (for example, triggering ring network protection); if it is determined that another node is the target node, a message is sent to notify the node, and the node performs subsequent processing.

In this embodiment, each node only determines whether the relationship between the node identifier of the node and the acquired node identifier satisfies the preset rule, and the relationship between the node identifiers of other nodes is not determined. For example, if the node identifier is a MAC address, it is only necessary to determine the size relationship between the MAC address of the node itself and the MAC address of other nodes. When the size relationship satisfies the preset rule, the node may be determined as the target node. The target port of the node may also be determined according to the judgment result, including: if it is determined that the node is the target node, any one of the target nodes may be the target port by default.

In this embodiment, the media access control MAC address is used as the node identifier; the node identifier of the node itself is greater than the obtained node identifier as a preset rule. For example, in the case of only one ERPS instance in the ring network, after each node receives the MAC addresses of all other nodes, the node with the largest MAC address can be used as the target node, and any port of the node is used as the target port.

Optionally, after determining the target node from the first node and other nodes, the method further includes: The target node generates and sends a fourth packet, where the fourth packet carries a lifetime TTL; the node other than the target node in the ring network performs preset change processing on the TTL in the received fourth packet, and Forwarding the processed fourth packet; the node other than the target node in the ring network determines its position in the ring network according to the TTL of the received fourth packet.

Among them, the fourth message can adopt a structure similar to the standard ERPS protocol. The destination media access control MAC address is 01-19-a8-00-00-[instance id], the Ethernet type is 8902, the version, opcode, and ERPS standard protocol packets are the same, and the packet payload part is customized. Including: message type (for example, 04 for the fourth message), lifetime TTL value, ERPS parameter information, port information, and so on. It should be noted that the first to fourth messages described above are similar in structure. When a node receives a certain packet, it determines what content should be obtained according to the packet type.

After the target node is determined, the target node sends a fourth packet carrying a TTL (for example, a value of 255) through the target port. After each node receives the message, the TTL performs a preset change process (for example, performs a minus 1 process) and forwards the processed message. If the TTL value of the received packet is the initial TTL (for example, 255), it can be determined that the receiving port is adjacent to the target port, and the node is a node adjacent to the target node. If the received packet has a TTL value, For the initial TTL, it can be determined that the receiving port is not adjacent to the target port, that is, the node is not a node adjacent to the target node. That is, the position information of the nodes of the entire ring network can be determined by this embodiment.

Assume that the initial value of the TTL is 255. It should be noted that if the TTL value of a node is 1, the TTL of the TTL is reduced to 1 and the packet carrying the TTL is not forwarded.

Optionally, in the case that the ring network includes multiple sub-ring networks, where each sub-ring network includes the first node and other nodes, the first packet and the third packet further carry port count information, port count information. The port includes the total number of times the port is the target port and the neighbor port. The target port is the port used by the target node to send the initial TTL. The neighbor port is the port that receives the initial TTL. The multiple sub-ring networks include the first sub-ring network, and the first node. And determining, by the other node, the target node according to the obtained node identifier: the first sub-ring network determines the port with the least total number according to the port count information of the other sub-ring networks; and the first sub-ring network determines the first sub-port according to the port with the least total number of times. The target port of the ring network; the first sub-ring network determines the target node according to the target port.

Optionally, the first sub-ring network determines the first sub-ring network according to the port with the least total number of times. The target port includes: the port of the node with the largest MAC address corresponding to the port with the least total number of times selected by the first sub-ring network as the target port.

In the case where multiple ring networks are required to be deployed, a sequential activation mode is adopted, that is, a ring network after deployment after a ring network is deployed. In this subsequent ring network deployment, the previous ring network has been deployed and a full and effective port count has been generated.

In this embodiment, in the case that there are multiple logical sub-ring networks in the physical network link of the same ring network, considering load balancing of the entire network system, that is, to achieve load sharing in normal work to a certain extent, it may be sequentially Determining a target node of each logical sub-ring network, wherein the determination of the target node of the next sub-ring network is based on a sub-ring network that has previously determined the target node, and the port count information of the sub-ring network that has previously determined the target node is provided before The total number of times that the port of the sub-ring network of the target node has been used as the target port and the neighbor port (port count information) has been determined, where the target port is the port that sends the initial TTL, and the neighbor port is the port that receives the initial TTL. The first sub-ring network may determine the target node of the first sub-ring network according to the port with the least total number of times. Optionally, the port of the node with the largest MAC address among the nodes corresponding to the port with the least total number of ports may be selected as the target port of the first sub-ring network, and the node corresponding to the target port is used as the target node. By this method, the load imbalance problem in multiple sub-ring networks (multiple instances) can be effectively solved.

Optionally, when the target node receives the third packet, the method further includes: the target node resets the first timer; the target node detects whether the first timer expires; and if the first timer expires, Then the target node sends a second packet.

In this embodiment, it is determined by the first timer whether to trigger the ring network protection function of each node. After each node in the ring network confirms its location, each node will no longer send a third message. The target node resets the first timer every time it receives the third message. If the third packet is not received within a certain period of time, the first timer expires. At this time, the target node can send the second packet through the two ring ports to notify other nodes to activate the ring network protection function. After each node receives the second packet, the ring protection protocol starts to enter the pending state. Each non-target node (including a neighboring node and a non-neighboring node, wherein the neighboring node is a node where the neighboring port is located, that is, the node that receives the initial TTL, and the non-neighboring node is a node other than the target node and the neighboring node) After the second message is started, the third timer (start timeout timer) is reset.

Optionally, when the first node and the other node receive the third packet, the method further includes: the first node and the other node respectively detecting whether the corresponding second timer expires; if the corresponding second timer is detected When the timeout occurs, the first node and other nodes determine the target node according to the acquired node identifier.

In this embodiment, it is determined by the second timer whether each node is triggered to determine the target node. Each node sends a third packet sent by another node or a node identifier (such as a MAC address) included in the first packet sent by other nodes and a port of the packet sending node during the duration of the second timer. The count of RPL ports as all ERPS instances is kept locally. After the second timer expires, the first node and other nodes determine the target node according to the obtained node identifier and the like. By adopting the form of a timer, the embodiment can ensure the automatic execution of the target node, reduce the workload, and improve the execution efficiency.

Optionally, the second packet further carries a TTL, and the method further includes: when the node is added in the ring network, the TTL in the second packet received by the node other than the target node in the ring network The preset change process is performed, and the processed second message is forwarded; the node other than the target node in the ring network determines its position in the ring network according to the TTL of the received second message.

For the newly added nodes in the ring, the target node can be kept unchanged, and the protocol data is obtained by synchronizing the second packet periodically sent by the target node, and the node other than the target node in the ring network according to the TTL of the received second packet Determine your location in the ring network. According to this manner, the execution efficiency of the ring network protection can be effectively improved while ensuring that the program that the ring network has executed is not interfered.

Optionally, the second packet further carries a TTL. The method further includes: when a node is added to the ring network, the node other than the target node in the ring network detects whether the node is received in the preset time period. If the second packet is received within the preset time period, the node other than the target node in the ring network performs preset change processing on the TTL in the received second packet, and performs forwarding processing. The second message, and the node other than the target node in the ring network determines its position in the ring network according to the TTL of the received second message; if the second message is not received within the preset time period Then, the node other than the target node in the ring network deletes the node identification information of the target node in the acquired node identifier, and re-determines the target node.

If the node is deleted and the ring network is restored (all ring ports UP), if the non-target node is deleted, the other nodes re-learn the role according to the TTL value in the second packet to determine each The location of the nodes in the ring network; if the target node is deleted, each node cannot receive the second message within the preset time period, that is, the location in the ring network cannot be determined, then each node can determine The deleted node is the target node, and the node identifier of the target node (including the RPL port count entry) can be deleted, and the third packet is resent (each node blocks a port to prevent looping), and the above determined target node is repeatedly executed. (port) steps. The third timer can be used to determine whether the target node is deleted. After the target node is deleted, the other node does not receive the second packet sent by the target node, and the third timer expires. At this time, the target node can be reselected.

A data configuration method for ring network protection according to a second embodiment of the present invention is provided below. This embodiment can be used as a preferred embodiment of the embodiment shown in FIG.

2 is a schematic diagram showing an initial state of a data configuration method for ring network protection according to a second embodiment of the present invention. As shown in FIG. 2, a plurality of devices form a ring network, wherein the network element 1 is a configuration node (same as the first node), and the configuration node is configured with configuration data necessary for running the ERPS protocol: instance number 1, associated VLAN (protocol VLAN 100, Service VLAN 101-200), ring network port, etc. Other devices have only the corresponding port and VLAN configuration. The network elements 2 to 7 are sequentially connected to form a ring network link. The network element 1 has two ports: port1 and port2, where port1 is in a blocked state.

3 is a schematic diagram of a syndata state of a data configuration method for ring network protection according to a second embodiment of the present invention. As shown in FIG. 3, after the configuration data necessary for the ERPS protocol of the configuration node (same as the first node) is completed, the synchronization function is activated. The configuration node sends a syndata packet to the two ring ports (the same as the first packet). The destination MAC address is 01-19-a8-00-00-01, VLAN 100, and the payload part is 01. The packet type is 01. Service VLAN information 101-200. Other parameters use default values. The ring port of all the ERPS instances on the node is used as the count of the RPL port. Since there is only one ERPS instance and the deployment is not completed, the count of the ERPS instance 1 ring network port of the network element 1 is 0.

The syndata packet is transmitted from the two ports of the configuration node to the opposite direction of the ring, and is received and forwarded by other nodes. After receiving the syndata packet sent by the configuration node, the other node obtains the configuration data of the ERPS from the packet, determines the ERPS instance number 1, the associated VLAN (protocol VLAN 100, service VLAN 100-200), and other parameters, and the receiving port is used as the receiving port. Ring network port. At the same time, the ring network port of all ERPS instances of the configuration node is stored as the RPL port count and the configuration node MAC address locally. Then the receiving node starts to send the finding owner message (same as the first The third packet includes the ring port of all ERPS instances on the node as the RPL port count, and the finding owner timer (same as the second timer) is enabled. After receiving the packet, the other node records the MAC address of the node and the ring network port of all ERPS instances on the node as the count of the RPL port. The configuration node enables the finding owner timer after receiving the final owner message sent by other nodes.

It should be noted that, in order to simplify the description, the two ring ports of each node in FIG. 3 are represented by port1 and port2, but are actually different ports.

During the timing of the matching owner timer, each node locally updates the MAC address of all nodes in the ring network and the ring ports of all ERPS instances on the node as the count table of the RPL port (including the target port and the neighbor port). Table 1 shows the MAC address and RPL port count table in the state of the finding owner. Since there is only one ERPS instance 1 in the current network and it has not been deployed yet, there is no RPL port, that is, the RPL count of each port in Table 1 is 0. After the matching owner timer expires, the node with the largest MAC address is selected as the Rpl-owner node. Assuming that the MAC address of node 4 is the largest, then node 4 is determined to be the Rpl-owner node (same target node). Since the two ports have the same count, port 1 can be selected as the Rpl-owner port.

Table 1

4 is a schematic diagram of a learning state of a data configuration method for ring network protection according to a second embodiment of the present invention. As shown in Figure 4, after the Rpl-owner port is determined, node 4 goes to the Rpl-owner side. The port (port 1) sends a learning packet with the TTL of 255 (same as the fourth packet). After receiving the packet, each node reduces the TTL by 1 and forwards it. Port 2 of node 5 receives the learning packet with the TTL value of 255. The port acts as the Rpl-neighbor port (the port of the neighboring node), and the node is the Rpl-neighbor node (same neighbor node). A port with a TTL other value is received as a Common port (a port that is not a neighboring node). After the node confirms the role, the receiving owner packet is not sent. The Rpl-owner node resets the learning timer (same timer) for each receiving parent message. Table 2 shows the MAC address and RPL port count table in the learning state.

Table 2

When the node in the ring determines the role and does not send the matching owner packet, the learning timer of the node 4 times out, enters the pending state, and sends a start packet (same second packet) to the ring network port to notify the ring network. The other node ERPS protocol starts and enters the pending state. After the non-Rpl-owner node receives the start message, it starts and resets the start timeout timer (same as the third timer). At this point, the automatic deployment of a single ERPS instance is complete.

FIG. 5 is a schematic diagram of a newly added node in a data configuration method for ring network protection according to a second embodiment of the present invention. As shown in FIG. 5, a node 8 is newly added between the node 4 and the node 5 to enter the ring network. After each ring network port is restored to UP, the node 8 obtains the protocol data through the start message sent by the Rpl-owner and enters the learning state (that is, determines the state of the neighboring node and the non-adjacent node in the ring network). At this time, since the port 2 of the node 8 receives the packet with the TTL of 255, the port is determined to be the Rpl-neighbor port (the port of the adjacent node), and the other ports are correspondingly based. The TTL value updates the role, and node 5 becomes a common node (same non-adjacent node). If the location of the joining node is not between Rpl-owner and Rpl-neighbor, it will be determined that the node is a common node.

In addition, if the node 5 is deleted from the ring network and each ring network port is restored to UP, the port that receives the start packet with the TTL of 255 is the port 2 of the node 6, and the port is determined to be Rpl-neighbor. port. If node 4 is deleted and the ring network is restored, each node will not receive the start message. When the start timeout timer expires, each node deletes the MAC address and RPL port count entry of node 4 from the table and resends it. Find the owner packet to determine the Rpl-owner port.

In addition, for the ring network deployment of multiple ERPS instances, considering the load balancing, each Rpl link should be evenly distributed in the ring network. During the processing of the matching owner, the port with the largest MAC address of the node can be selected as the Rpl-owner port from the port with the smallest RPL count of the ring port. Others are the same as in the case of a single ERPS instance and will not be described here.

In the above embodiment, the automatic deployment of the ring network protection function simplifies configuration complexity, reduces deployment workload, and improves ease of use and flexibility. The user only needs to select a certain node (configuration node or first node) in the ring network to configure the necessary configuration data of the ERPS. After ensuring that the VLANs of the nodes in the ring network are correctly configured and the ring network port is Up, the synchronization function is activated. The node sends a synchronization packet (syndata packet or first packet) to the ring network. After receiving the synchronization packet, each node obtains the corresponding configuration information and forwards the packet. Then each node sends a Finding Owner packet (the third packet) to the ring network, and determines the Rpl- by comparing the MAC address of each node. Owner node and Rpl-owner port (target node and target port). The Rpl-owner node sends a Learning packet with a TTL of 255 through the Rpl-owner port. After receiving the packet, the other node receives the TTL minus 1 and forwards it. The port with the TTL of 254 is determined to be the Rpl-neighbor port (adjacent node). The other ports are determined to be common ports (non-adjacent nodes). After receiving the Learning message (the fourth packet), each node stops sending the Finding owner message. After receiving the Learning message for a period of time, the Rpl-owner node sends a Start message (the second packet) to notify each node in the ring network. Start the ERPS protocol. In this embodiment, the ERPS-related configuration can be configured on one device in the ring network to deploy the protocol function on the entire ring network, reducing the workload, reducing the maintenance difficulty, and improving the ease of use and deployment efficiency of the ring network protection.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course It can be done through hardware, but in many cases the former is a better implementation. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, disk). And an optical disc) comprising a plurality of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method described in various embodiments of the present invention.

In this embodiment, a data configuration device for the protection of the ring network is also provided. The device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein. 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. 6 is a structural block diagram of a data configuration apparatus for ring network protection according to an embodiment of the present invention. As shown in FIG. 6, the apparatus includes: an acquisition module 21 and a transmission module 22.

The obtaining module 21 is configured to acquire configuration data by using a first node of the plurality of nodes of the ring network, where the configuration data is configuration data related to performing ring network protection.

The sending module 22 is configured to send, by the first node, the first packet carrying the configuration data to the node other than the first node in the ring network, where the first packet is used to indicate that the other node is in the first packet according to the first packet. The configuration data performs data configuration.

According to the data configuration apparatus of the ring network protection of the embodiment, the obtaining module 20 acquires configuration data by using a first node of the plurality of nodes of the ring network, wherein the configuration data is configuration data related to performing ring network protection, and the sending module 22 passes The first node sends the first packet carrying the configuration data to the node other than the first node in the ring network, where the first packet is used to instruct other nodes to perform data configuration according to the configuration data in the first packet. The technical problem of low data configuration efficiency of the ring network protection in the related art is solved, and the effect of improving the data configuration efficiency of the ring network protection is achieved.

Optionally, the device further includes: an executing module, configured to: after the sending module sends the first packet carrying the configuration data to other nodes in the ring network other than the first node, After the configuration of the configuration data is completed, the first node and other nodes perform the deployment of the ring network protection.

A target node is determined from a plurality of nodes of the ring network.

Optionally, the first packet carries the node identifier of the first node.

Optionally,

The node identifier includes a media access control MAC address of the node.

Optionally, the device further includes a reset module and a detection module.

Optionally,

The detecting module is further configured to: when the first node and the other node receive the third packet, let the first node and the other node respectively detect whether the corresponding second timer is time out.

Optionally, the second packet further carries a TTL.

The execution module is further configured to:

Optionally, the second packet further carries a TTL.

One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.

The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Industrial applicability

Claims

A data configuration method for ring network protection includes:

The first node of the plurality of nodes of the ring network acquires configuration data, where the configuration data is configuration data related to performing ring network protection;

Transmitting, by the first node, the first packet carrying the configuration data to a node other than the first node in the ring network, where the first packet is used to indicate the other node Performing data configuration according to the configuration data in the first packet.
The data configuration method of the ring network protection according to claim 1, the method further comprising: transmitting, by the first node, a first packet carrying the configuration data to the ring network, except the first After the other nodes except the node, the first node and the other nodes perform the deployment of the ring network protection after completing the configuration of the configuration data.
The data configuration method of the ring network protection according to claim 2, wherein the performing the configuration of the ring network protection after the first node and the other nodes complete the configuration of the configuration data comprises:

Determining a target node from a plurality of nodes of the ring network;

The target node is configured to send a second packet, where the second packet is used to indicate that other nodes in the ring network except the target node initiate a ring network protection function.
The data configuration method of the ring network protection according to claim 3, wherein the first packet carries a node identifier of the first node;

Determining the target node from the plurality of nodes of the ring network includes:

Each of the other nodes generates a third packet, where the third packet carries a node identifier of the node, and each of the other nodes separately sends the generated third packet to the ring network. a node other than itself;

The first node and the other node determine the target node according to the acquired node identifier.
The data configuration method of the ring network protection according to claim 4, wherein the determining, by the first node and the other node, the target node according to the acquired node identifier comprises:

The first node and the other nodes respectively determine whether the relationship between the node identifier of the node itself and the acquired node identifier meets a preset rule, and determines whether the node is the target node according to the determination result.
The data configuration method for ring network protection according to claim 5, wherein

The node identifier includes a media access control MAC address of the node;

The preset rule is that the node identifier of the node itself is greater than the obtained node identifier.
The data configuration method of the ring network protection according to claim 3, the method further comprising: after determining the target node from the plurality of nodes of the ring network, the target node generates and sends a fourth message, where The fourth packet carries a lifetime TTL;

The node other than the target node in the ring network performs preset change processing on the TTL in the received fourth packet, and forwards the processed fourth packet;

A node other than the target node in the ring network determines its location in the ring network according to the received TTL of the fourth packet.
The data configuration method for ring network protection according to claim 7, wherein, in the case where the ring network includes a plurality of sub-ring networks, wherein each sub-ring network includes a first node and other nodes, the first The packet and the third packet further carry the port count information, where the port count information includes the total number of times the port is the target port and the neighbor port, and the target port is the port used by the target node to send the initial TTL. The neighboring port is a port that receives the initial TTL, and the multiple sub-ring networks include a first sub-ring network;

Determining, by the first node and the other node, the target node according to the obtained node identifier further includes:

Determining, by the first sub-ring network, the port with the least total number of times according to port count information of other sub-ring networks;

Determining, by the first sub-ring network, a target port of the first sub-ring network according to the port with the least total number of times;

The first sub-ring network determines the target node according to the target port.
The data configuration method for ring network protection according to claim 8, wherein the first sub-ring network determines a target end of the first sub-ring network according to the port with the least total number of times The mouth includes:

The first sub-ring network selects, as the target port, a port of a node with the largest MAC address of the port with the smallest total number of times.
The data configuration method of the ring network protection according to claim 4, the method further comprising:

When the target node receives the third packet, the target node resets the first timer;

The target node detects whether the first timer expires;

If it is detected that the first timer expires, the target node sends the second packet.
The data configuration method for ring network protection according to claim 4, the method further comprising:

When the first node and the other node receive the third packet, the first node and the other node respectively detect whether the corresponding second timer expires;

If it is detected that the corresponding second timer expires, the first node and the other node determine the target node according to the acquired node identifier.
The data configuration method of the ring network protection according to claim 3, wherein the second packet further carries a TTL;

The method further includes:

If a node is added to the ring network, the node other than the target node in the ring network performs preset change processing on the received TTL in the second packet, and performs forwarding processing. Second message;

A node other than the target node in the ring network determines its location in the ring network according to the received TTL of the second packet.
The data configuration method of the ring network protection according to claim 4, wherein the second packet further carries a TTL;

The method further includes:

If a node is added to the ring network, the node other than the target node in the ring network detects whether the second packet is received within a preset time period;

If it is detected that the second packet is received within a preset time period, the node other than the target node in the ring network performs a preset change on the TTL in the received second packet. Processing, and forwarding the processed second packet, and the node other than the target node in the ring network determines its location in the ring network according to the received TTL of the second packet;

If it is detected that the second packet is not received within the preset time period, the node other than the target node in the ring network deletes the node identifier information of the target node in the acquired node identifier. And re-determine the target node.
A data configuration device for ring network protection, comprising: an obtaining module and a sending module;

The acquiring module is configured to enable the first node of the plurality of nodes of the ring network to obtain configuration data, where the configuration data is configuration data related to performing ring network protection;

The sending module is configured to enable the first node to send a first packet carrying the configuration data to other nodes in the ring network except the first node, where the first packet The text is used to instruct the other node to perform data configuration according to the configuration data in the first packet.
The apparatus for configuring data of a ring network protection according to claim 14, further comprising: an execution module;

The execution module is configured to: after the sending module sends the first packet carrying the configuration data to other nodes in the ring network other than the first node, the first node and the After completing the configuration of the configuration data, the other nodes perform the deployment of the ring network protection.
The apparatus for configuring a ring network protection according to claim 15, wherein the deployment of the ring network protection by the execution module after the configuration of the configuration data is completed by the first node and the other nodes:

Determining a target node from a plurality of nodes of the ring network;

The target node is configured to send a second packet, where the second packet is used to indicate that other nodes in the ring network except the target node initiate a ring network protection function.
The data configuration apparatus of the ring network protection according to claim 16, wherein the first packet carries a node identifier of the first node;

Determining the target node from the plurality of nodes of the ring network by the execution module includes:

And causing each of the other nodes to generate a third packet, where the third packet carries a node identifier of the node; and each of the other nodes respectively sends the generated third packet to the ring a node other than itself in the network;

And causing the first node and the other node to determine the target node according to the acquired node identifier.
The data configuration apparatus of the ring network protection according to claim 17, wherein the execution module causes the first node and the other node to determine the target node according to the acquired node identifier, including:

The first node and the other nodes respectively determine whether the relationship between the node identifier of the node itself and the acquired node identifier meets a preset rule, and determines whether the node is the target node according to the determination result.
The ring network protected data configuration device according to claim 18, wherein

The node identifier includes a media access control MAC address of the node;

The preset rule is that the node identifier of the node itself is greater than the obtained node identifier.
The apparatus for configuring a ring network protection according to claim 16, further comprising a generating module, a processing module, and a determining module;

The generating module is configured to: after determining the target node from the plurality of nodes of the ring network, causing the target node to generate and send a fourth packet, where the fourth packet carries a lifetime TTL;

The processing module is configured to enable a node other than the target node in the ring network to perform preset change processing on the received TTL in the fourth packet, and forward the processed fourth packet ;

The determining module is configured to enable a node other than the target node in the ring network to determine its location in the ring network according to the received TTL of the fourth packet.
The ring network protected data configuration apparatus according to claim 20, wherein, in the case where the ring network includes a plurality of sub-ring networks, wherein each sub-ring network includes a first node and other nodes, the first The packet and the third packet further carry port count information, where the port count information includes the total number of times the port is the target port and the neighbor port, and the target The port is a port used by the target node to send an initial TTL, the neighboring port is a port that receives the initial TTL, and the multiple sub-ring networks include a first sub-ring network;

Determining, by the execution module, that the first node and the other node determine the target node according to the obtained node identifier further includes:

And causing the first sub-ring network to determine the port with the least total number of times according to port count information of other sub-ring networks;

Determining, by the first sub-ring network, a target port of the first sub-ring network according to the port with the least total number of times;

And causing the first sub-ring network to determine the target node according to the target port.
The data configuration apparatus of the ring network protection according to claim 21, wherein the execution module causes the first sub-ring network to determine the target port of the first sub-ring network according to the port with the least total number of times:

And causing the first sub-ring network to select, as the target port, a port of a node with a corresponding least MAC address among the ports with the least total number of times.
A data configuration apparatus for ring network protection according to claim 20, the apparatus further comprising a reset module and a detection module;

The reset module is configured to enable the target node to reset the first timer when the target node receives the third packet;

The detecting module is configured to enable the target node to detect whether the first timer expires;

The sending module is further configured to send the second packet if the first timer is detected to be timed out.
The data configuration apparatus for ring network protection according to claim 23,

The detecting module is further configured to: when the first node and the other node receive the third packet, let the first node and the other node respectively detect whether the corresponding second timer expires ;

The determining module is further configured to: if it is detected that the corresponding second timer expires, let the first node and the other node determine the target node according to the acquired node identifier.
The data configuration apparatus of the ring network protection according to claim 16, wherein the second packet further carries a TTL;

The execution module is further configured to:

In a case where a node is added to the ring network, the node other than the target node in the ring network performs preset change processing on the received TTL in the second packet, and performs forwarding processing. Second message afterwards;

And determining, by the node other than the target node, the location of the second packet in the ring network according to the received TTL of the second packet.
The data configuration apparatus of the ring network protection according to claim 23, wherein the second packet further carries a TTL;

The detecting module is further configured to: when a node is added to the ring network, cause a node other than the target node in the ring network to detect whether the second is received within a preset time period Message

The execution module is further configured to: if it is detected that the second message is received within a preset time period, let the node in the ring network other than the target node receive the second The TTL in the packet performs the preset change processing, and forwards the processed second packet, and causes the node other than the target node in the ring network to determine the TTL according to the received second packet. The location of itself in the ring network;

The execution module is further configured to: if it is detected that the second packet is not received within the preset time period, let the node in the ring network that is acquired by the node other than the target node The node identification information of the target node is deleted, and the target node is re-determined.
A computer readable storage medium storing computer executable instructions, the computer executable instructions being executed by a processor to implement the data configuration method of the ring network protection according to any one of claims 1 to 13.