WO2022048482A1 - 报文处理方法、装置、设备、***及存储介质 - Google Patents
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- H04J3/06—Synchronising arrangements
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- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0673—Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet
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Definitions
- the first network device after the first network device receives the first packet sent by the second port through the first port, based on the port state of the first port being the non-primary state, the first network device sends the message to the first port through the first port.
- the second port replies with a second packet, and the second packet carries the port status of the first port.
- the second packet is stopped from being replied to, so that the scenario of stopping the replying of the second packet is more accurate.
- the port state of the first port is a non-primary state is obtained by using the clock identifier, so that the second packet does not need to carry additional information, and the method for determining the port state is more effective and convenient.
- the scenarios to which the packet processing method is applied are made more comprehensive.
- the source media access control MAC address in the second packet is inconsistent with the MAC address of the master node, and the port state of the first port is a non-master state.
- FIG. 7 is a schematic flowchart of a message processing method provided by an embodiment of the present application.
- the announce packet, sync packet, and follow_up packet can be multiplied.
- a slave node receives normally. However, when the master node sends a pdelay_req message, multiple slave nodes will receive the pdelay_req message, and then each slave node will also reply to the pdelay_resp message and pdelay_resp_follow_up message to the master node. Therefore, the master node will receive multiple pdelay_req messages and multiple pdelay_resp_follow_up messages.
- Uncalibrated state is a transitional state, and the uncalibrated state indicates that the master clock source has been selected and synchronization is in progress.
- a port in the uncalibrated state can send pdelay_req packets, pdelay_resp packets, pdelay_resp_follow_up packets, signaling packets, and management packets.
- the IP address of the master node can be obtained from the announce message, sync message or follow_up message sent by the master node, that is, the port in the master state, or, if the node is the master node, the IP address of the node is The IP address of the master node.
- the first network device receives, through the first port, the first packet sent by the second port.
- the first condition includes that the clock identifier in the first packet is inconsistent with the clock identifier of the master node.
- the second condition includes that the port state of the second port is a listening state, a former master state, an uncalibrated state, an alternate state or a slave state.
- the first packet carries the port status of the second port.
- the network device 2100 includes: a main control board 2110 and an interface board 2130 .
- the main control board 2110 is coupled with the interface board.
- the main control board 2110, the interface board 2130, the interface board 2140, and the switching network board 2120 are connected to the system backplane through a system bus to realize intercommunication.
- an inter-process communication (IPC) channel is established between the main control board 2110 and the interface board 2130 and the interface board 2140, and the main control board 2110 and the interface board 2130 and the interface board 2140 Communicate through IPC channel.
- IPC inter-process communication
- the network device 2100 also corresponds to the packet processing apparatus shown in FIG. 12 and applied to the second network device.
- the sending module 1201 and the receiving module 1202 in the packet processing apparatus shown in FIG. 12 are equivalent to the physical interface card 2133 in the network device 2100 .
- the processing module 1203 in the packet processing apparatus shown in FIG. 12 is equivalent to the central processing unit 2111 or the network processing unit 2132 in the network device 2100 .
- modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical modules, that is, may be located in one place, or may be distributed to multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solutions of the embodiments of the present application.
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Abstract
Description
Claims (33)
- 一种报文处理方法,其特征在于,所述方法包括:第一网络设备通过第一端口接收第二端口发送的第一报文,所述第一端口为所述第一网络设备的端口,所述第二端口为第二网络设备的端口,所述第一报文用于测量时延;基于所述第一端口的端口状态为非主状态,所述第一网络设备停止回复第二报文,或者,所述第一网络设备通过所述第一端口向所述第二端口回复第二报文,所述第二报文携带所述第一端口的端口状态,所述第二报文包括响应报文及跟随报文。
- 根据权利要求1所述的方法,其特征在于,所述第一端口的端口状态为非主状态,包括所述第一端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态。
- 根据权利要求1或2所述的方法,其特征在于,所述基于所述第一端口的端口状态为非主状态,所述第一网络设备停止回复第二报文,包括:基于所述第一端口的端口状态为非主状态及第一条件,所述第一网络设备停止回复第二报文。
- 根据权利要求3所述的方法,其特征在于,所述第一条件包括所述第一报文中的时钟标识与主节点的时钟标识不一致。
- 根据权利要求3所述的方法,其特征在于,所述第一条件包括所述第一报文中的源媒体访问控制MAC地址与主节点的MAC地址不一致。
- 根据权利要求3所述的方法,其特征在于,所述第一条件包括所述第一报文中的源网际协议IP地址与主节点的IP地址不一致。
- 根据权利要求3所述的方法,其特征在于,所述第一报文携带所述第二端口的端口状态,所述第一条件包括所述第一报文携带的所述第二端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态。
- 一种报文处理方法,其特征在于,所述方法包括:第二网络设备通过第二端口向第一端口发送第一报文,所述第二端口为所述第二网络设备的端口,所述第一端口为第一网络设备的端口,所述第一报文用于测量时延;所述第二网络设备通过所述第二端口接收所述第一端口回复的第二报文,所述第二报文包括响应报文及跟随报文;基于所述第一端口的端口状态为非主状态,所述第二网络设备停止处理所述第二报文。
- 根据权利要求8所述的方法,其特征在于,所述第二报文中的时钟标识与主节点的时钟 标识不一致,则所述第一端口的端口状态为非主状态。
- 根据权利要求8所述的方法,其特征在于,所述第二报文中的源媒体访问控制MAC地址与主节点的MAC地址不一致,则所述第一端口的端口状态为非主状态。
- 根据权利要求8所述的方法,其特征在于,所述第二报文中的源网际协议IP地址与主节点的IP地址不一致,则所述第一端口的端口状态为非主状态。
- 根据权利要求8所述的方法,其特征在于,所述第二报文携带所述第一端口的端口状态,所述第二报文携带的所述第一端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态,则所述第一端口的端口状态为非主状态。
- 根据权利要求8-12任一所述的方法,其特征在于,所述基于所述第一端口的端口状态为非主状态,所述第二网络设备停止处理所述第二报文,包括:基于所述第一端口的端口状态为非主状态及第二条件,所述第二网络设备停止处理所述第二报文。
- 根据权利要求13所述的方法,其特征在于,所述第二条件包括所述第二端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态。
- 根据权利要求8-14任一所述的方法,其特征在于,所述第一报文中携带所述第二端口的端口状态。
- 一种报文处理装置,其特征在于,所述装置包括:接收模块,用于通过第一端口接收第二端口发送的第一报文,所述第一端口为第一网络设备的端口,所述第二端口为第二网络设备的端口,所述第一报文用于测量时延;处理模块,用于基于所述第一端口的端口状态为非主状态,停止回复第二报文,或者,通过所述第一端口向所述第二端口回复第二报文,所述第二报文携带所述第一端口的端口状态,所述第二报文包括响应报文及跟随报文。
- 根据权利要求16所述的装置,其特征在于,所述第一端口的端口状态为非主状态,包括所述第一端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态。
- 根据权利要求16或17所述的装置,其特征在于,所述处理模块,用于基于所述第一端口的端口状态为非主状态及第一条件,停止回复第二报文。
- 根据权利要求18所述的装置,其特征在于,所述第一条件包括所述第一报文中的时钟标识与主节点的时钟标识不一致。
- 根据权利要求18所述的装置,其特征在于,所述第一条件包括所述第一报文中的源媒体访问控制MAC地址与主节点的MAC地址不一致。
- 根据权利要求18所述的装置,其特征在于,所述第一条件包括所述第一报文中的源网际协议IP地址与主节点的IP地址不一致。
- 根据权利要求18所述的装置,其特征在于,所述第一报文携带所述第二端口的端口状态,第一条件包括所述第一报文携带的所述第二端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态。
- 一种报文处理装置,其特征在于,所述装置包括:发送模块,用于通过第二端口向第一端口发送第一报文,所述第二端口为第二网络设备的端口,所述第一端口为第一网络设备的端口,所述第一报文用于测量时延;接收模块,用于通过所述第二端口接收所述第一端口回复的第二报文,所述第二报文包括响应报文及跟随报文;处理模块,用于基于所述第一端口的端口状态为非主状态,停止处理所述第二报文。
- 根据权利要求23所述的装置,其特征在于,所述第二报文中的时钟标识与主节点的时钟标识不一致,则所述第一端口的端口状态为非主状态。
- 根据权利要求23所述的装置,其特征在于,所述第二报文中的源媒体访问控制MAC地址与主节点的MAC地址不一致,则所述第一端口的端口状态为非主状态。
- 根据权利要求23所述的装置,其特征在于,所述第二报文中的源网际协议IP地址与主节点的IP地址不一致,则所述第一端口的端口状态为非主状态。
- 根据权利要求23所述的装置,其特征在于,所述第二报文携带所述第一端口的端口状态,所述第二报文携带的所述第一端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态,则所述第一端口的端口状态为非主状态。
- 根据权利要求23-27任一所述的装置,其特征在于,所述处理模块,用于基于所述第一端口为非主状态及第二条件,停止处理所述第二报文。
- 根据权利要求28所述的装置,其特征在于,所述第二条件包括所述第二端口的端口状态为监听状态、前主状态、未校准状态、备选状态或从状态。
- 根据权利要求23-29任一所述的装置,其特征在于,所述第一报文中携带所述第二端口的端口状态。
- 一种网络设备,其特征在于,所述网络设备包括:存储器及处理器,所述存储器中存储有至少一条指令,所述至少一条指令由所述处理器加载并执行,以使所述网络设备实现权利要求1-15中任一所述的报文处理方法。
- 一种报文处理***,其特征在于,所述***包括第一网络设备和第二网络设备,所述第一网络设备用于执行所述权利要求1-7中任一所述的报文处理方法,所述第二网络设备用于执行所述权利要求8-15中任一所述的报文处理方法。
- 一种计算机可读存储介质,其特征在于,所述存储介质中存储有至少一条指令,所述指令由处理器加载并执行以实现如权利要求1-15中任一所述的报文处理方法。
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EP21863548.0A EP4199409A4 (en) | 2020-09-04 | 2021-08-25 | MESSAGE PROCESSING METHOD AND APPARATUS, DEVICE, SYSTEM AND RECORDING MEDIUM |
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US10158444B1 (en) * | 2017-11-16 | 2018-12-18 | Microsemi Corporation | Event-driven precision time transfer |
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