WO2016161808A1 - 列车动态重联的方法及节点 - Google Patents

列车动态重联的方法及节点 Download PDF

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WO2016161808A1
WO2016161808A1 PCT/CN2015/095495 CN2015095495W WO2016161808A1 WO 2016161808 A1 WO2016161808 A1 WO 2016161808A1 CN 2015095495 W CN2015095495 W CN 2015095495W WO 2016161808 A1 WO2016161808 A1 WO 2016161808A1
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node
etbn
mac address
target
train
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PCT/CN2015/095495
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English (en)
French (fr)
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王�锋
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中车大连电力牵引研发中心有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

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  • the invention relates to the technical field of train reconnection, in particular to a method and a node for dynamic reconnection of trains.
  • the train has the characteristics of dynamic grouping, that is, the number of train formations is changed as needed, and the reorganized train groups can recognize each other and perform normal inter-network communication.
  • train Ethernet In the prior art, communication between the various groups constituting the train is realized by the train Ethernet, and the train Ethernet is an industrial Ethernet used for controlling information transmission on the train. Compared with ordinary civil Ethernet and industrial Ethernet, train Ethernet needs to dynamically reorganize the network. After reorganization, different vehicles can recognize each other and establish train index, that is, each vehicle can know how many other vehicles are added to the group.
  • the train Ethernet does not have the function of automatic identification of the vehicle grouping, and only the reconnection between the groups of the fixed group can be realized, and the train reconnection between the non-fixed groups cannot be realized.
  • the invention provides a method and a node for dynamic reconnection of a train, which are used for solving the problem that the automatic identification of the train formations cannot be performed in the prior art, and the reconnection between the non-fixed trains of the train cannot be realized.
  • the method for dynamic reconnection of trains provided by the invention includes:
  • the target train Ethernet ETBN node receives the node number information sent by the host, and the node number information includes a number assigned to the target node and a numbering rule, where the numbering rule includes a reverse direction according to a preset reference direction, and the sequence number is Describe each ETBN node in the train;
  • the target ETBN node sequentially obtains the MAC address and the subnet identifier of each ETBN node in the first direction and the MAC address and the subnet identifier of each ETBN node in the second direction according to the number information; wherein the first direction and the location The reference direction is the same direction, the second direction is The reference direction is reversed;
  • the target ETBN node performs node number ordering for each ETBN node in the first direction and each ETBN node in the second direction;
  • the target ETBN node stores the node number and the corresponding MAC address of each ETBN node in the physical topology list according to the ranking association, and associates the number of each ETBN node and the corresponding subnet identifier into the logical topology list. Relinking the train is implemented in accordance with the physical topology list and the logical topology list.
  • the train ETBN node provided by the present invention includes:
  • a receiving module configured to receive node number information sent by the host, where the node number information includes a number assigned to the target node, and a numbering rule, where the numbering rule includes a reverse direction according to a preset reference direction, and sequentially numbers the For each ETBN node in the train, the reference direction is determined by the host according to the size of the ETBN group number at both ends of the train, wherein the ETBN group corresponds to each car of the train, and the ETBN group is in the group. Including each ETBN node in the corresponding car;
  • an obtaining module configured to obtain, according to the number information, a MAC address and a subnet identifier of each ETBN node in a first direction, and a MAC address and a subnet identifier of each ETBN node in the second direction, where the first direction and the location are The reference directions are in the same direction, and the second direction is opposite to the reference direction;
  • a processing module configured to perform node number ordering on each ETBN node in the first direction and each ETBN node in the second direction;
  • a storage module configured to store a node number and a corresponding MAC address of each ETBN node in the physical topology list according to the sorting association, and associate the number of each ETBN node and the corresponding subnet identifier into the logical topology list, Relinking the train is implemented in accordance with the physical topology list and the logical topology list.
  • the method and the node for the dynamic reconnection of the train provided by the present invention receive the node number information sent by the host through the target ETBN node, and sequentially obtain the MAC address, the subnet identifier and the second direction of each ETBN node in the first direction according to the number information.
  • MAC address and a subnet identifier of each ETBN node performing node number ordering for each ETBN node in the first direction and each ETBN node in the second direction, and storing the node number of each ETBN node according to the sorting association And the corresponding MAC address to the physical topology list, and associate the number of each ETBN node and The corresponding subnet identification is in the logical topology list, and the automatic identification between the train groups and the train reconnection between the non-fixed groups are realized.
  • FIG. 1 is a schematic flowchart of a dynamic reconnection method of a train according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a train ETBN node according to an embodiment of the present invention.
  • the embodiment provides a method for dynamic reconnection of trains, which is suitable for solving the problem of dynamic reconnection between train formations, and is particularly suitable for solving the problem of dynamic reconnection between non-fixed train formations.
  • the executive body of the method is any ETBN node in the train group. In this embodiment, the method is described by using a certain ETBN node in the train as the execution subject.
  • FIG. 1 is a schematic flowchart of a dynamic reconnection method of a train according to an embodiment of the present invention. As shown in FIG. 1 , the dynamic reconnection method of a train provided in this embodiment includes the following steps:
  • Step 101 The target ETBN node receives node number information sent by the host, where the node number information includes a number assigned to the target node and a numbering rule, where the numbering rule includes a reverse direction according to a preset reference direction, and the sequence number is Describe each ETBN node in the train;
  • the target ETBN node receives the numbering rule sent by the host and the number assigned thereto according to the numbering rule, wherein the numbering rule is preferably a reverse direction according to a preset reference direction, and the order is each ETBN in the train. Node number.
  • the numbering rule may be to sequentially number the ETBN nodes of the train in descending order according to the reverse direction of the preset reference direction.
  • the reference direction can be determined by:
  • the host determines the reference direction of the train according to the size of the ETBN group number at both ends of the train. Specifically, the host compares the ETBN group numbers at both ends of the train, preferably with a smaller group number.
  • the ETBN group is a reference group, and the direction pointing to the reference group is set as the reference direction.
  • the ETBN grouping corresponds to each car of the train, and the ETBN group includes each ETBN node in the corresponding car.
  • Step 102 The target ETBN node sequentially obtains, according to the number information, a MAC address and a subnet identifier of each ETBN node in the first direction and a MAC address and a subnet identifier of each ETBN node in the second direction, where the first The direction is in the same direction as the reference direction, and the second direction is opposite to the reference direction;
  • This step can be implemented in two different ways, as follows:
  • the target ETBN node respectively calculates, according to the number information, the ETBN node numbers in the first direction and the second direction, and sends the ETBN node numbers to the ETBN nodes in the first direction according to the ETBN node numbers.
  • the second obtaining request is used to indicate that each ETBN node in the second direction feeds back its own MAC address and subnet identifier to the target ETBN node;
  • the target ETBN node receives a MAC address, a subnet identifier, and a node number respectively fed back by each ETBN node in the first direction and each ETBN node in the second direction.
  • the numbering rule is that each ETBN of the train is sequentially in the reverse direction of the reference direction in the order of the natural number 1 to N from small to large.
  • a node number wherein the target ETBN node may calculate the ETBN node numbers in the first direction and the second direction according to an equidistance series solution formula with a tolerance of 1, and calculate the ETBN according to the calculation.
  • the node number sends a first acquisition request to each ETBN node in the first direction, and sends the second acquisition request to each ETBN node in the second direction, thereby obtaining each ETBN node and the first direction.
  • the MAC address and the subnet identifier respectively fed back by the ETBN nodes in the second direction.
  • the target ETBN node receives the first neighbor information list, the second neighbor information list, and the node number respectively fed back by the ETBN nodes in the first direction and the ETBN nodes in the second direction.
  • the method for acquiring the ETBN node number of the train by the target ETBN node, and the method for obtaining the adjacent ETBN node number by each ETBN node are the same as the obtaining method of the foregoing implementation manner 1, and are no longer here. Narration.
  • the target ETBN node can obtain the first acquisition request from each ETBN node in the first direction and the second acquisition request to each ETBN node in the second direction, respectively, so that each ETBN node can be obtained.
  • the MAC address and subnet identification realize automatic identification between the ETBN nodes of the train, and thus realize automatic identification between train formations.
  • Step 103 The target ETBN node performs node number ordering on each ETBN node in the first direction and each ETBN node in the second direction.
  • the target ETBN node sorts all the ETBN node numbers in the first direction and the second direction according to a certain sorting rule.
  • the target ETBN node follows the numbering rule. All ETBN nodes in the first direction and the second direction are sorted in order of number from small to large.
  • Step 104 The target ETBN node stores the node number and the corresponding MAC address of each ETBN node in the physical topology list according to the sorting association, and associates the number of each ETBN node and the corresponding subnet identifier to the logical topology. In the list, the reconnection of the train is implemented according to the physical topology list and the logical topology list.
  • step 102 there are two implementation manners in this step, as follows:
  • the target ETBN node directly stores the number and the MAC address of each ETBN node in the physical topology list according to the sorting order, and numbers and subnets of each ETBN node.
  • the identifier is stored in the logical topology list.
  • the target ETBN node implements reconnection of the train according to the physical topology list and information stored in the logical topology list.
  • the physical topology list and the logical topology list are an ordered list.
  • the target ETBN node sequentially parses the first neighbor information list and the second neighbor information list, and stores the nodes of each ETBN node according to the ranking association.
  • the number and the corresponding MAC address are in the physical topology list, and the number of each ETBN node and the corresponding subnet identifier are stored in association with the logical topology list. Reconnection of the train is implemented according to the physical topology list and information stored in the logical topology list.
  • the target ETBN node receives the node number information sent by the host, and sequentially obtains the MAC address and the subnet identifier of each ETBN node in the first direction and each ETBN in the second direction according to the number information. a node's MAC address and a subnet identifier, and sorting the node numbers of the ETBN nodes in the first direction and the ETBN nodes in the second direction, and storing the node numbers and correspondings of each ETBN node according to the sorting association.
  • the MAC address is added to the physical topology list, and the number of each ETBN node and the corresponding subnet identifier are stored in the logical topology list, which realizes automatic identification between each train group and train reconnection between non-fixed groups.
  • FIG. 2 is a schematic structural diagram of a train ETBN node according to an embodiment of the present invention. As shown in FIG. 2, the train ETBN node provided in this embodiment includes:
  • the receiving module 1 is configured to receive node number information sent by the host, where the node number information includes a number assigned to the target node and a numbering rule, where the numbering rule includes a reverse direction according to a preset reference direction, and the sequence number is Determining each ETBN node in the train, the reference direction being determined by the host according to the size of the ETBN group number at both ends of the train, wherein the ETBN group corresponds to each car of the train, and the ETBN grouping Include each ETBN node in the corresponding car;
  • the obtaining module 2 is configured to obtain, according to the number information, the MAC address and the subnet identifier of each ETBN node in the first direction and the MAC address and the subnet identifier of each ETBN node in the second direction, where the first direction is The reference direction is in the same direction, and the second direction is opposite to the reference direction;
  • the processing module 3 is configured to perform node number ordering on each ETBN node in the first direction and each ETBN node in the second direction.
  • the storage module 4 is configured to store the node number and the corresponding MAC address of each ETBN node into the physical topology list according to the sorting association, and associate and store the number of each ETBN node and the corresponding subnet identifier into the logical topology list. Reconstructing the train according to the physical topology list and the logical topology list.
  • the obtaining module 2 includes:
  • the first sending sub-module 21 is configured to send a first acquiring request to each ETBN node in the first direction, and send the second acquiring request to each ETBN node in the second direction, where the first Acquiring, in the request, a node number of each ETBN node in the first direction, where the first acquiring request is used to indicate that each ETBN node in the first direction feeds back its own MAC address and subnet identifier to the target ETBN node;
  • the second acquisition request includes a node number of each ETBN node in the second direction, where the second acquisition request is used to indicate that each ETBN node in the second direction feeds back its own MAC address to the target ETBN node. And subnet identification;
  • the first receiving sub-module 22 is configured to receive a MAC address, a subnet identifier, and a node number respectively fed back by the ETBN nodes in the first direction and the ETBN nodes in the second direction.
  • the obtaining module further includes:
  • the second sending sub-module 23 is configured to send a third obtaining request to each ETBN node in the first direction, and send the fourth acquiring request to each ETBN node in the second direction, respectively.
  • the fourth acquisition request includes a node number of each ETBN node in the second direction, where the fourth acquisition request is used to indicate that each ETBN node in the second direction acquires its own neighboring ETBN.
  • the MAC address and the subnet identifier of the node form a second neighbor information list;
  • a second receiving submodule 24 configured to receive each ETBN node in the first direction and the first Each of the first neighbor information lists, the second neighbor information lists, and node numbers respectively fed back by the ETBN nodes in the two directions;
  • the storage module 4 is further configured to sequentially parse the first neighbor information list and the second neighbor information list, and store the node number and the corresponding MAC address of each ETBN node to the physical topology according to the ranking association. In the list, and associate the number of each ETBN node and the corresponding subnet ID into the logical topology list.
  • the train ETBN node provided in this embodiment may be used to perform the technical solution of the method embodiment shown in FIG. 1 , and the implementation principle and technical effects thereof are similar, and details are not described herein again.

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Abstract

一种列车动态重联的方法,包括:目标ETBN节点接收主机发送的节点编号信息(101);目标ETBN节点根据编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识(102);目标ETBN节点对第一方向的各ETBN节点和第二方向的各ETBN节点进行节点编号排序(103);目标ETBN节点根据排序关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据物理拓扑列表和所述逻辑拓扑列表实现列车的重联(104),从而实现了列车各编组之间的自动识别以及非固定编组之间的列车重联。还提供了一种列车动态重联的节点。

Description

列车动态重联的方法及节点 技术领域
本发明涉及列车重联技术领域,尤其涉及一种列车动态重联的方法及节点。
背景技术
列车具有动态编组的特点,即根据需要改变列车编组的数量,经过重组的列车编组之间能够互相识别并进行正常的网络间通信。
现有技术中,组成列车的各编组之间通过列车以太网实现通信,列车以太网是在列车上用于控制信息传输的工业以太网。相对于普通民用以太网和工业以太网,列车以太网需要对网络进行动态重组,重组后不同车辆能够互相识别,能够建立列车编组索引,即每个车辆能够知道有多少其他车辆加入编组内。
但是,目前列车以太网并不具备车辆编组的自动识别的功能,仅能实现固定编组的各编组之间的重联,而无法实现非固定编组之间的列车重联。
发明内容
本发明提供一种列车动态重联的方法及节点,用以解决现有技术中列车编组之间无法进行自动识别,无法实现列车非固定编组之间重联的问题。
本发明提供的列车动态重联的方法,包括:
目标列车以太网ETBN节点接收主机发送的节点编号信息,所述节点编号信息包括分配给所述目标节点的编号以及编号规则,所述编号规则包括按照预设基准方向的反向方向,顺序编号所述列车中的各ETBN节点;
所述目标ETBN节点根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识;其中,所述第一方向与所述基准方向同向,所述第二方向与所述 基准方向反向;
所述目标ETBN节点对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序;
所述目标ETBN节点根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据所述物理拓扑列表和所述逻辑拓扑列表实现所述列车的重联。
本发明提供的列车ETBN节点包括:
接收模块,用于接收主机发送的节点编号信息,所述节点编号信息包括分配给所述目标节点的编号以及编号规则,所述编号规则包括按照预设基准方向的反向方向,顺序编号所述列车中的各ETBN节点,所述基准方向为所述主机根据所述列车两端的ETBN编组号的大小确定的,其中,所述ETBN编组与所述列车的每节车厢对应,所述ETBN编组中包括对应的车厢中的各ETBN节点;
获取模块,用于根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识;其中,所述第一方向与所述基准方向同向,所述第二方向与所述基准方向反向;
处理模块,用于对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序;
存储模块,用于根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据所述物理拓扑列表和所述逻辑拓扑列表实现所述列车的重联。
本发明提供的列车动态重联的方法及节点,通过目标ETBN节点接收主机发送的节点编号信息,根据所述编号信息依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识,并通过对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序,根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,关联存储每个ETBN节点的编号和 对应的子网标识到逻辑拓扑列表中,实现了各列车编组间的自动识别以及非固定编组之间的列车重联。
附图说明
图1为本发明一实施例提供的列车动态重联方法的流程示意图;
图2为本发明一实施例提供的列车ETBN节点的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例一
本实施例提供一种列车动态重联的方法,其适用于解决列车编组之间的动态重联问题,尤其适用于解决非固定列车编组之间的动态重联问题。该方法的执行主体为列车编组中的任一ETBN节点,在本实施例中以列车中某一确定的ETBN节点为执行主体来对该方法进行阐述。
图1为本发明一实施例提供的列车动态重联方法的流程示意图,如图1所示,本实施例提供的列车动态重联方法包括如下步骤:
步骤101、目标ETBN节点接收主机发送的节点编号信息,所述节点编号信息包括分配给所述目标节点的编号以及编号规则,所述编号规则包括按照预设基准方向的反向方向,顺序编号所述列车中的各ETBN节点;
具体的,目标ETBN节点接收主机发送的编号规则和按照所述编号规则为其分配的编号,其中,所述编号规则优选为按照预设的基准方向的反向方向,顺序为列车中的各ETBN节点编号。优选的,编号规则可以为按照预设基准方向的反方向按由小到大的顺序依次为列车的各ETBN节点编号。其中,所述基准方向可以通过以下方式确定:
主机根据列车两端的ETBN编组号的大小确定列车的基准方向,具体的,主机将所述列车两端的ETBN编组号进行对比,优选编组号较小的 ETBN编组为基准编组,设定指向所述基准编组的方向为基准方向。其中所述ETBN编组与所述列车的每节车厢对应,所述ETBN编组中包括对应的车厢中的各ETBN节点。
步骤102、所述目标ETBN节点根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识;其中,所述第一方向与所述基准方向同向,所述第二方向与所述基准方向反向;
本步骤可以通过两种不同的方式实现,具体如下:
实现方式一
所述目标ETBN节点根据所述编号信息分别计算所述第一方向和所述第二方向上的各ETBN节点编号,并根据所述各ETBN节点编号分别向所述第一方向的各ETBN节点发送第一获取请求,向所述第二方向的各ETBN节点发送所述第二获取请求,所述第一获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第一获取请求用于指示所述第一方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;所述第二获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第二获取请求用于指示所述第二方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;
所述目标ETBN节点接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的MAC地址、子网标识和节点编号。
举例来说,若所述目标ETBN节点的编号为M(1≤M≤N),所述编号规则为沿所述基准方向的反方向以自然数1至N从小到大的顺序依次为列车各ETBN节点编号,则所述目标ETBN节点可以根据公差为1的等差数列求解公式对所述第一方向和所述第二方向上的各ETBN节点编号进行计算,并根据计算得到的所述各ETBN节点编号分别向所述第一方向的各ETBN节点发送第一获取请求,向所述第二方向的各ETBN节点发送所述第二获取请求,从而获得所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的MAC地址和子网标识。
实现方式二
所述目标ETBN节点分别向所述第一方向的各ETBN节点发送第三获取 请求,并分别向所述第二方向的各ETBN节点发送所述第四获取请求,所述第三获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第三获取请求用于指示所述第一方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第一邻居信息列表,所述第四获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第四获取请求用于指示所述第二方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第二邻居信息列表;
所述目标ETBN节点接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的所述各第一邻居信息列表、所述各第二邻居信息列表和节点编号。
在上述实现方式二中,所述目标ETBN节点获取所述列车各ETBN节点编号的方法,以及各ETBN节点获取相邻ETBN节点编号的方法,与上述实现方式一的获取方法相同,在这里不再赘述。
在本步骤中,所述目标ETBN节点通过分别向所述第一方向的各ETBN节点发送第一获取请求以及向所述第二方向的各ETBN节点发送第二获取请求,能够获得各ETBN节点的MAC地址和子网标识,实现了列车各ETBN节点间的自动识别,进而实现了列车编组间的自动识别。
步骤103、所述目标ETBN节点对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序;
具体的,所述目标ETBN节点将所述第一方向和所述第二方向上的所有ETBN节点编号按照一定的排序规则进行排序,优选的,所述目标ETBN节点按照所述编号规则,将所述第一方向和所述第二方向上的所有ETBN节点按照编号由小到大的顺序进行排序。
步骤104、所述目标ETBN节点根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据所述物理拓扑列表和所述逻辑拓扑列表实现所述列车的重联。
具体的,相对于步骤102的两种实现方式,本步骤也对应有两种实现方式,具体如下:
实现方式一
针对上述步骤102的实现方式一,在本步骤中所述目标ETBN节点直接按照排序顺序将每个ETBN节点的编号和MAC地址对应存储到物理拓扑列表中,并将每个ETBN节点的编号和子网标识对应存储到逻辑拓扑列表中。所述目标ETBN节点根据所述物理拓扑列表和所述逻辑拓扑列表中存储的信息实现所述列车的重联。所述物理拓扑列表和逻辑拓扑列表为有序列表。
实现方式二
针对上述步骤102的实现方式二,在本步骤中所述目标ETBN节点依次解析所述各第一邻居信息列表和所述各第二邻居信息列表,根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中。根据所述物理拓扑列表和所述逻辑拓扑列表中存储的信息实现所述列车的重联。
本实施例提供的列车动态重联方法,通过目标ETBN节点接收主机发送的节点编号信息,根据所述编号信息依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识,并通过对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序,根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,实现了各列车编组间的自动识别以及非固定编组之间的列车重联。
实施例二
图2为本发明一实施例提供的列车ETBN节点的结构示意图,如图2所示,本实施例提供的列车ETBN节点包括:
接收模块1,用于接收主机发送的节点编号信息,所述节点编号信息包括分配给所述目标节点的编号以及编号规则,所述编号规则包括按照预设基准方向的反向方向,顺序编号所述列车中的各ETBN节点,所述基准方向为所述主机根据所述列车两端的ETBN编组号的大小确定的,其中,所述ETBN编组与所述列车的每节车厢对应,所述ETBN编组中包括对应的车厢中的各ETBN节点;
获取模块2,用于根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识;其中,所述第一方向与所述基准方向同向,所述第二方向与所述基准方向反向;
处理模块3,用于对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序;
存储模块4,用于根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据所述物理拓扑列表和所述逻辑拓扑列表实现所述列车的重联。
所述获取模块2包括:
第一发送子模块21,用于分别向所述第一方向的各ETBN节点发送第一获取请求,并分别向所述第二方向的各ETBN节点发送所述第二获取请求,所述第一获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第一获取请求用于指示所述第一方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;所述第二获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第二获取请求用于指示所述第二方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;
第一接收子模块22,用于接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的MAC地址、子网标识和节点编号。
所述获取模块还包括:
第二发送子模块23,用于分别向所述第一方向的各ETBN节点发送第三获取请求,并分别向所述第二方向的各ETBN节点发送所述第四获取请求,所述第三获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第三获取请求用于指示所述第一方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第一邻居信息列表,所述第四获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第四获取请求用于指示所述第二方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第二邻居信息列表;
第二接收子模块24,用于接收所述第一方向的各ETBN节点和所述第 二方向的各ETBN节点分别反馈的所述各第一邻居信息列表、所述各第二邻居信息列表和节点编号;
所述存储模块4,还用于依次解析所述各第一邻居信息列表和所述各第二邻居信息列表,根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中。
本实施例提供的所述列车ETBN节点可以用于执行如图1所示方法实施例的技术方案,其实现原理和技术效果类似,此处不再赘述。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (7)

  1. 一种列车动态重联的方法,其特征在于,包括:
    目标ETBN节点接收主机发送的节点编号信息,所述节点编号信息包括分配给所述目标节点的编号以及编号规则,所述编号规则包括按照预设基准方向的反向方向,顺序编号所述列车中的各ETBN节点;
    所述目标ETBN节点根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识;其中,所述第一方向与所述基准方向同向,所述第二方向与所述基准方向反向;
    所述目标ETBN节点对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序;
    所述目标ETBN节点根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据所述物理拓扑列表和所述逻辑拓扑列表实现所述列车的重联。
  2. 根据权利要求1所述的列车动态重联的方法,其特征在于,所述基准方向为所述主机根据所述列车两端的ETBN编组号的大小确定的,其中,所述ETBN编组与所述列车的每节车厢对应,所述ETBN编组中包括对应的车厢中的各ETBN节点。
  3. 根据权利要求1所述的列车动态重联的方法,其特征在于,所述目标ETBN节点根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识,包括:
    所述目标ETBN节点分别向所述第一方向的各ETBN节点发送第一获取请求,并分别向所述第二方向的各ETBN节点发送所述第二获取请求,所述第一获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第一获取请求用于指示所述第一方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;所述第二获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第二获取请求用于指示所述第二方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;
    所述目标ETBN节点接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的MAC地址、子网标识和节点编号。
  4. 根据权利要求1所述的列车动态重联的方法,其特征在于,所述目标ETBN节点根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识,包括:
    所述目标ETBN节点分别向所述第一方向的各ETBN节点发送第三获取请求,并分别向所述第二方向的各ETBN节点发送所述第四获取请求,所述第三获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第三获取请求用于指示所述第一方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第一邻居信息列表,所述第四获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第四获取请求用于指示所述第二方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第二邻居信息列表;
    所述目标ETBN节点接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的所述各第一邻居信息列表、所述各第二邻居信息列表和节点编号;
    相应的,所述目标ETBN节点根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,包括:
    所述目标ETBN节点依次解析所述各第一邻居信息列表和所述各第二邻居信息列表,根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中。
  5. 一种列车ETBN节点,其特征在于,包括:
    接收模块,用于接收主机发送的节点编号信息,所述节点编号信息包括分配给所述目标节点的编号以及编号规则,所述编号规则包括按照预设基准方向的反向方向,顺序编号所述列车中的各ETBN节点,所述基准方向为所述主机根据所述列车两端的ETBN编组号的大小确定的,其中,所述ETBN编组与所述列车的每节车厢对应,所述ETBN编组中包括对 应的车厢中的各ETBN节点;
    获取模块,用于根据所述编号信息,依次获得第一方向的各ETBN节点的MAC地址和子网标识和第二方向的各ETBN节点的MAC地址和子网标识;其中,所述第一方向与所述基准方向同向,所述第二方向与所述基准方向反向;
    处理模块,用于对所述第一方向的各ETBN节点和所述第二方向的各ETBN节点进行节点编号排序;
    存储模块,用于根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中,以根据所述物理拓扑列表和所述逻辑拓扑列表实现所述列车的重联。
  6. 根据权利要求5所述的列车ETBN节点,其特征在于,所述获取模块包括:
    第一发送子模块,用于分别向所述第一方向的各ETBN节点发送第一获取请求,并分别向所述第二方向的各ETBN节点发送所述第二获取请求,所述第一获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第一获取请求用于指示所述第一方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;所述第二获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第二获取请求用于指示所述第二方向的各ETBN节点向所述目标ETBN节点反馈自身的MAC地址和子网标识;
    第一接收子模块,用于接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的MAC地址、子网标识和节点编号。
  7. 根据权利要求5所述的列车ETBN节点,其特征在于,所述获取模块还包括:
    第二发送子模块,用于分别向所述第一方向的各ETBN节点发送第三获取请求,并分别向所述第二方向的各ETBN节点发送所述第四获取请求,所述第三获取请求中包括所述第一方向的各ETBN节点的节点编号,所述第三获取请求用于指示所述第一方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第一邻居信息列表,所述第四获取请求中包括所述第二方向的各ETBN节点的节点编号,所述第四获取 请求用于指示所述第二方向的各ETBN节点获取自身相邻ETBN节点的MAC地址和子网标识,形成各第二邻居信息列表;
    第二接收子模块,用于接收所述第一方向的各ETBN节点和所述第二方向的各ETBN节点分别反馈的所述各第一邻居信息列表、所述各第二邻居信息列表和节点编号;
    所述存储模块,还用于依次解析所述各第一邻居信息列表和所述各第二邻居信息列表,根据所述排序关联存储每个ETBN节点的节点编号和对应的MAC地址到物理拓扑列表中,并关联存储每个ETBN节点的编号和对应的子网标识到逻辑拓扑列表中。
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