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Joint optimization method for path selection and gating scheduling in time-sensitive network

A path selection, time-sensitive technology, applied in electrical components, transmission systems, etc., can solve the problems of single-path congestion transmission performance, degradation, etc., to achieve the effect of good network transmission performance

Active Publication Date: 2022-03-11
CHONGQING UNIV OF POSTS & TELECOMM
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  • Application Information

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Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a joint optimization method for path selection and gating scheduling in a time-sensitive network in order to solve the problem of transmission performance degradation caused by single-path congestion or failure, and to meet the needs of large-scale time-sensitive networks. transmission requirements

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  • Joint optimization method for path selection and gating scheduling in time-sensitive network
  • Joint optimization method for path selection and gating scheduling in time-sensitive network
  • Joint optimization method for path selection and gating scheduling in time-sensitive network

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Embodiment Construction

[0115] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0116] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a joint optimization method for path selection and gating scheduling in a time-sensitive network, which belongs to the technical field of time-sensitive networks, and comprises the following steps: S1, discovering a TSN network topology by CNC, and abstracting the TSN network topology into a network directed graph; s2, the terminal equipment sends a TSN connection request to the CUC, and the CUC sends the connection request to the CNC; s3, the CNC selects K shortest paths as alternative paths; s4, the CNC selects m optimal paths; s5, the CNC finds an optimal transmission path for the TT flow and finds a proper transmission path for the non-TT flow; s6, CNC traversal is completed; s7, configuring a gating list for the optimal transmission path of the TT flow of each pair of terminal equipment; and S8, the CNC packages the calculation result into a gating scheduling table, configures the gating scheduling table to the TSN switch, and sends the flow transmission calculation result to the TSN terminal equipment through the CUC.

Description

technical field [0001] The invention belongs to the technical field of time-sensitive networks, and relates to a joint optimization method of path selection and gate control scheduling in time-sensitive networks. Background technique [0002] With the continuous development of industrial Internet technology, deterministic real-time communication has been introduced into the field of aerospace and industrial automation to ensure the performance of time-critical flows and the security of the system. Time-Sensitive Networking (TSN) is a set of standards developed by the Time-Sensitive Networking Task Group (TSN TG) of the IEEE 802.1 working group for real-time communication over Ethernet networks with bounded delay and jitter. TSN brings industrial-grade robustness to Ethernet to facilitate real-time, safety-critical applications (e.g., Industry 4.0 and cyber-physical systems) and supports time-critical and best-effort traffic over a common communications infrastructure. trans...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L45/30H04L45/24H04L45/247H04L47/12
CPCH04L45/306H04L45/3065H04L45/22H04L45/24H04L47/12Y02D30/00
Inventor 魏旻方兴斌尤梦飞霍承杰王平徐威
Owner CHONGQING UNIV OF POSTS & TELECOMM
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