Abstract: Examples of the present disclosure provide packet forwarding methods, a network device and a storage medium. In the examples of the present disclosure, the automation of deploying SRv6 in a layer three network is achieved by automatically allocating different locators to the gateway device and different APs connected to the gateway device, so as to fully utilize the advantages brought by SRv6 in the layer three network. Further, in this example, an SRv6 tunnel is deployed between the gateway device and the AP based on locators allocated to the gateway device and the AP, and the packet is transmitted between the gateway device and the AP through the SRv6 tunnel, thus achieving the packet forwarding method applied to the layer three network with SRv6 deployed.

Abstract: A communication method, and a communication apparatus are provided. A first network apparatus forwards traffic based on a first forwarding entry in response to a determination that the first forwarding entry for forwarding traffic is not aged. The first network apparatus sends a first packet, in response to a determination that the first network apparatus is a network apparatus performing traffic switchover, to a third network apparatus so that the third network apparatus is to regenerate a forwarding path to reach a target network apparatus through the second network apparatus. The third network apparatus is an apparatus accessed by both the first network apparatus and the second network apparatus, and a path from the third network apparatus to the first network apparatus and a path from the third network apparatus to the second network apparatus are equal-cost paths.

Abstract: The present disclosure provides packet processing and relates to the technical field of communications. The solution of the present disclosure includes: receiving a first packet sent by a data plane of a network device, wherein the first packet includes a first SID, first encapsulation information, and notification information that includes a first head node address; if there is a first cache entry associated with the first SID locally and a second head node address included in the first cache entry is the same as the first head node address, sending the first SID and the first encapsulation information to the data plane, so that the data plane updates the stored second encapsulation information associated with the first SID to the first encapsulation information, so as to avoid the problem that the subsequent forwarding path of the service packet processed by the SF node is unclear and may be a wrong path.

Abstract: The present disclosure provides packet forwarding and relates to the technical field of communications. The solutions of the present disclosure comprise: receiving a first packet comprising a destination address and a first Segment Routing Header (SRH) comprising a SID list indicating a forwarding path; sending the first packet on the forwarding path if the destination address is a locally instantiated SID and the first SRH includes indicating information used for indicating that the first packet is a detection packet. The present disclosure can avoid the problem that a head node erroneously switches paths.

Abstract: A network device management method, system and apparatus relate to the technical field of network device, which are applied to a management application deployed on a network device, the management application is to manage the network device, the network device application is to realize a network communication function of the network device. The method includes: sending a data acquisition command to the network device application, so that the network device application sends a data response to the management application in response to the data acquisition command, wherein the network device application and the management application run on the same processing chip in the network device, and the data response includes data requested by the data acquisition command; processing the data included in the data response to obtain a processing result; implementing network device management based on the processing result.

Abstract: Disclosed are a data processing method, apparatus, a network device and a storage medium. The method is applied to a network device in a WAN, wherein the network device is located on a specified path from a gateway of a first data center to a gateway of a second data center. The method comprises: storing the acquired first packet of a target service type in a first scheduling queue corresponding to a deterministic flow to which the first packet belongs, wherein the source address of the first packet is the address of the first host in the first data center, the destination address of the first packet is the address of the second host in the second data center, and the forwarding path of the deterministic flow to which the first packet belongs is the specified path; forwarding the packet in the first scheduling queue when the scheduling period of the first scheduling queue is reached.

Abstract: Deterministic flow transmission methods and systems, and electronic devices are provided by the present application. In embodiments of the present application, the first service packet sent by the first transmission node within a certain scheduling cycle is specified to enter a certain cyclic scheduling queue of the second transmission node (that is, the specified cyclic scheduling queue), so as to ensure that the first service packet is scheduled and forwarded on time by the second transmission node.

Abstract: The present disclosure provides message processing, which relates to the field of communication technology. The solution of the present disclosure includes: receiving a first service message; sending a second service message to a second network device, wherein the second service message includes a first in-situ flow detection option and the first service message, wherein the first in-situ flow detection option includes first additional information, the first additional information includes first reverse service flow characteristics, and the first reverse service flow characteristics are used by a head node of a first reverse path for generating a first service flow identification rule for in-situ flow detection; wherein, the head node is a tail node of a first forward path, and the first network device and the second network device are both on the first forward path and the first reverse path. The configuration workload can be reduced.

Abstract: The present disclosure provides message sending and relates to the technical field of communications. The solutions of the present disclosure include: receiving a first service message, which comprises a destination address, a first in-situ flow detection option, a segment routing header (SRH) and an original service message, and the SRH comprises an SID list indicating a forwarding path; if the destination address is a locally configured proxy SID, sending a second service message on the forwarding path, and sending the original service message to a service function node; wherein, the second service message comprises a second in-situ flow detection option, which comprises replication flag information for indicating that the second service message is a replication message of the first service message. The in-situ flow detection can be performed on the forwarding path without affecting service chain services.

Abstract: A data processing method, apparatus, forwarding chip and network device.

Abstract: The present disclosure provides a packet forwarding method and apparatus, which relates to the technical field of communications. The solution of the present disclosure includes: receiving a first packet from a user-side device; caching the first packet in a first scheduling queue, corresponding to a deterministic flow to which the first packet belongs, in a first queue sequence, wherein the first queue sequence includes a first number of cyclically consecutive scheduling queues, the first number is a ratio between an outbound interface rate of the first network device and a minimum inbound interface rate of the first network device, the outbound interface rate is a rate of an outbound interface for forwarding the first packet; forwarding the packet in the first scheduling queue to a second network device according to a scheduling cycle of the first scheduling queue.

Abstract: The examples of the disclosure provide a packet processing method and apparatus, which are applied to a network device. The method includes: matching an index of an input interface for receiving a packet and a source address of the packet with a key field of a SAV entry of a data plane, wherein the key field of the SAV entry of the data plane includes an index of an input interface and a legal source address prefix; if a key field of a target SAV entry matches the index of the input interface for receiving the packet and the source address of the packet, permitting the packet. In the technical solution provided by an example of the disclosure, when the network device processes the packet, it is not limited by save of the length of the result field of the SAV entry, and SAVs corresponding to all input interfaces can be completed, thus improving the accuracy of packet processing.

Abstract: The present disclosure provides packet transmission, which relates to the field of communication technology. The solution of the present disclosure comprises: receiving a first packet from an upstream network device in a first network, caching the first packet into a scheduling queue of a deterministic flow to which the first packet belongs, and sending the packet in the scheduling queue to a downstream network device in a second network according to a scheduling cycle of the scheduling queue. It can realize end-to-end deterministic transmission across different deterministic networks.

Abstract: The present disclosure provides message sending, which relates to the technical field of communication. The technical solution provided by the present disclosure includes: receiving a first message; sending a second message, wherein the second message includes a segment routing header SRH and the first message, and wherein the SRH includes a plurality of compressed segment identifier C-SID containers and segment description information, and the segment description information includes a Block length, a C-SID length and a compression type of C-SID carried by each C-SID container, so that a complete segment list can be restored offline.

Abstract: The present application provides a method for delivering in-situ flow information telemetry (IFIT) configuration through a border gateway protocol (BGP), an electronic device and a storage medium. In an example of the present disclosure, by extending the BGP UPDATE packet in the BGP, the extended BGP UPDATE packet carries the IFIT parameters and is dynamically delivered to the headend in the SR policy, which realizes that the network device can dynamically deliver the IFIT parameters based on the BGP.

Abstract: The present disclosure provides packet processing and relates to the technical field of communication. The solution of the present disclosure includes: receiving a first packet; forwarding a second packet, the second packet comprises a first segment routing header SRH and the first packet, and the first SRH comprises marking information, and the marking information indicates encapsulation basis of the first SRH. In this way, the intermediate node can accurately acquire the original packet.

Abstract: Examples of the present disclosure provide a device management method applied to a first device in a self-organizing network and a network device.

Abstract: Embodiments of the present disclosure provide cycle synchronization methods, systems and apparatuses, and electronic devices. In an embodiment, without depending on strict clock synchronization of the transmission nodes at both ends, it is simply required to adjust a width of a scheduling cycle for packet queue scheduling in the transmission node at one end to enable the error between the adjusted width of the scheduling cycle and a width of a scheduling cycle for packet queue scheduling in the other transmission node to be within a preset synchronization range, so as to achieve weak synchronization of the transmission nodes at both ends in deterministic flow transmission, ensuring normal forwarding of the deterministic flow.

Abstract: The invention relates to a congestion processing method, apparatus, network device and storage medium. The method comprises: receiving a first data packet carrying a congestion mark through a target port; searching, in a preset greedy flow table, a target table entry that includes target flow information carried in the first data packet and an identifier of the target port, and the preset greedy flow table stores flow information of a data flow whose traffic is greater than a preset traffic threshold and an identifier of a port that receives the data flow corresponding to the flow information; processing, if the target table entry is found, the first data packet; removing, if the target table entry is not found, the congestion mark carried in the first data packet to obtain a second data packet, and processing the second data packet.

Abstract: The present disclosure provides a method and an apparatus for monitoring an abnormal host, and a data processing device. The method includes: host information of a deployed host is obtained from a controller, where the host information includes address information of the deployed host; routing information of a to-be-detected host is obtained, where the routing information includes the address information of the to-be-detected host; it is determined whether the address information of the deployed host includes the address information of the to-be-detected host; and it is determined that the to-be-detected host is an abnormal host when the address information of the deployed host does not include the address information of the to-be-detected host.