Abstract: A delay measurement method and apparatus, a storage medium and a program product are disclosed. The delay measurement method may include: acquiring target time information carried by a first delay measurement packet, the target time information including first time information filled by an intermediate node on a transmission path and second time information filled by a destination node on the transmission path; acquiring an accumulative one-way link delay from a source node to the destination node according to the first time information and the second time information; and transmitting a second delay measurement packet including the accumulative one-way link delay to the destination node, so that the destination node acquires a one-way delay from the source node to the destination node according to the accumulative one-way link delay.

Abstract: Disclosed are a method and apparatus for monitoring end-to-end delays of a plurality of paths, an electronic device, and a medium. The method for monitoring end-to-end delays of the plurality of paths may include: receiving Operation, Administration, and Maintenance (OAM) packets of a service respectively sent via the plurality of paths, each of the OAM packets carries a sending timestamp of a sending end which sends the OAM packet; acquiring an end-to-end delay of the OAM packet corresponding to each respective path according to the sending timestamp of the OAM packet corresponding to the respective path and a marked receiving timestamp; and respectively comparing the end-to-end delay of the OAM packet corresponding to the respective path with a preset end-to-end delay range, to obtain an end-to-end delay monitoring result for the OAM packet corresponding to the respective path.

Abstract: The present disclosure provides a packet forwarding method, applied to a forwarding device, including: receiving a target packet carrying source period information which includes a predetermined period length and a source period identification; and determining a corresponding forwarding period identification according to the predetermined period length and the source period identification; and forwarding the target packet in a forwarding period corresponding to the forwarding period identification. The present disclosure further provides a packet sending method, a forwarding device, a source device, and a computer-readable medium.

Abstract: A message forwarding method, a system, a device, a node device, and a storage medium are disclosed. The message forwarding method, applied to a first node device, may include: carrying a time sensitive networking (TSN) profile in a segment routing header of a segment routing Internet protocol version 6 (SRv6) service message of deterministic networking; and sending the SRv6 service message carrying the TSN profile.

Abstract: Disclosed are a data transmission method, an electronic device, and a storage medium. The data transmission method may include: receiving a message sent by an upstream device, wherein the message carries first information for indicating an outbound interface and second information for indicating a period value; acquiring a reception sub-period label according to a time of arrival of the message and the second information, wherein the reception sub-period label is used for indicating a sequential position of a reception sub-period used when the message is received in an entire reception period, and the reception period comprises a plurality of reception sub-periods; and sending the message according to the reception sub-period label and the first information.

Abstract: Provided are an information measurement method and apparatus. The information measurement method includes: receiving, by a second network device, a cycle offset measurement message sent by a first network device adjacent to the second network device at a starting moment of a scheduling cycle, wherein the cycle offset measurement message comprises a field representing a cycle length of the scheduling cycle; and determining, by the second network device, a cycle offset of the scheduling cycle between the first network device and the second network device according to a receiving moment at which the second network device receives the cycle offset measurement message, the cycle length of the scheduling cycle, and a link latency between the first network device and the second network device.

Abstract: Provided are a service flow transmission method and apparatus, a device, and a storage medium. The service flow transmission method includes: acquiring service flows; and performing transmission via different FlexE outgoing interfaces according to priorities of the service flows. By means of determining priorities of service flows, and performing transmission via different FlexE outgoing interfaces according to the priorities of the service flows, mutual interference between service flows can be prevented.

Abstract: Provided are a method and device for establishing a service path, an electronic apparatus, and a readable storage medium. The method includes: receiving request information for establishing a path for a service, where the request information includes a service type and a resource reservation scheme; computing a path for the service according to topology information of a FlexE link through which the service is transmitted and the request information; and reserving a resource and establishing a path for the service according to the service type and the resource reservation scheme, and a service type and a resource reservation scheme on a channel of the FlexE link through which the service is transmitted.

Abstract: Provided are a method and apparatus for processing a deterministic networking (DetNet) data packet. The method includes: performing, by a DetNet node, format encapsulation on a data packet of a DetNet application flow when the DetNet application flow passes through a multiprotocol label switching (MPLS) network, wherein an encapsulated data packet comprises a label indication and a flow identifier header; and forwarding the encapsulated data packet in the MPLS network.

Abstract: A network monitoring method and apparatus and a computer-readable storage medium are disclosed. The network monitoring method may include: receiving an Operations, Administration, and Maintenance (OAM) frame from a source node, the OAM frame includes an operation code and check data corresponding to the operation code, and the OAM frame is used for checking service performance of the TSN network; performing check processing on performance of a deterministic network according to the operation code and the check data to obtain a check result; and transmitting the check result to the source node.

Abstract: Disclosed are a method for advertising enhanced frame preemption capability information and a method for configuring a frame preemption function. The method for advertising enhanced frame preemption capability information may include: acquiring enhanced frame preemption capability information, the enhanced frame preemption capability information includes at least one of: a reason for frame preemption being not enabled; an indication value for specifying a minimum value of a last fragment of a preempted packet; or a multi-level frame preemption capability supported by a port; a number of selectable values supported by the indication value is greater than a preset threshold; and sending the enhanced frame preemption capability information to a communication peer end.

Abstract: A network architecture, a network communication method, an electronic device, and a storage medium are disclosed. The network architecture may include a plurality of network elements, the plurality of network elements are divided into a plurality of areas, an inter-area jitter adjuster is arranged at an area border network element of the areas or between two adjacent areas, the inter-area jitter adjuster has an adjustment policy configured therein, and the inter-area jitter adjuster is configured for performing jitter adjustment on a service packet from the area according to the adjustment policy.

Abstract: A packet forwarding method, an electronic device, and a storage medium are disclosed. The method may include: determining a flow identifier of the service flow; determining a basic time slot number of a first packet in the service flow according to the flow identifier; determining a time slot offset of the first node for the service flow according to the flow identifier; and determining an enqueue slot number of the first packet according to the basic time slot number and the time slot offset.

Abstract: A link path calculation method, device, terminal device and non-transitory computer-readable storage medium are disclosed. The method may include: acquiring a topology containing a TSN bridge, the TSN bridge comprising a 5GS TSN virtual bridge and a common TSN bridge; acquiring a latency parameter of a link of the TSN bridge; acquiring a minimum latency Tmin achievable by the 5GS-TSN-VB and a maximum latency MaxLatency in service requirements; calculating an optimal path and determining a sum Tc of all link latencies on the optimal path; determining a maximum latency Tmax tolerated by the 5GS-TSN-VB; determining an optimal value Tmax?O of the Tmax; and sending service flow information and the Tmax?O as latency requirements to a 5GS system corresponding to the 5GS-TSN-VB, and sending the service flow information to a corresponding TSN bridge in response to path calculation being successful.

Abstract: A frame preemption method and apparatus, a device, and a storage medium are provided. The method includes: determining that an express Media Access Control (eMAC) packet needs to be sent; and sending the eMAC packet when timing reaches a preemption delay target value.

Abstract: A data transmission method and apparatus, an electronic device, and a storage medium are disclosed. The data transmission method may include: acquiring current time information (S1100); acquiring message attribute information of a current traffic flow to be sent (S1200); generating a transmission control policy based on the current time information and the message attribute information (S1300); and controlling traffic flow transmission in time-sensitive networking based on the transmission control policy (S1400).

Abstract: A message encapsulation method and apparatus, and a message decapsulation method and apparatus are provided. The message encapsulation method includes encapsulating a first message according to a preset encapsulation format to obtain a second message, where the first message is obtained by encapsulating a traffic stream, the second message carries stream attribute information, and the stream attribute information is used for indicating a feature attribute of the traffic stream.

Abstract: An information processing method, a network device, a network system, and a storage medium are disclosed. The information processing method may include: receiving a first data message comprising first time adjustment information; performing first processing on the first data message to obtain the first time adjustment information; acquiring a processing time for performing the first processing on the first data message; and in response to determining a presence of data message timeout processing, performing second processing on the first data message based on the first time adjustment information, the processing time and a preset processing time threshold.

Abstract: Provided are a method and apparatus for processing a deterministic networking (DetNet) data packet. The method includes: performing, by a DetNet node, format encapsulation on a data packet of a DetNet application flow when the DetNet application flow passes through a multiprotocol label switching (MPLS) network, wherein an encapsulated data packet comprises a label indication and a flow identifier header; and forwarding the encapsulated data packet in the MPLS network.

Abstract: Disclosed are a data transmission method, an electronic device, and a storage medium. The data transmission method may include: receiving a message sent by an upstream device, wherein the message carries first information for indicating an outbound interface and second information for indicating a period value; acquiring a reception sub-period label according to a time of arrival of the message and the second information, wherein the reception sub-period label is used for indicating a sequential position of a reception sub-period used when the message is received in an entire reception period, and the reception period comprises a plurality of reception sub-periods; and sending the message according to the reception sub-period label and the first information.