Communication method in cross-local area network distributed system based on Zenoh

A distributed system and communication method technology, which is applied in the field of communication in a cross-LAN distributed system based on Zenoh, can solve problems such as not being in the same local area network, edge devices cannot perform computation well, and single-point dependence, etc., to achieve enhanced Effects of stability and usability

Pending Publication Date: 2022-03-18
SUN YAT SEN UNIV
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Problems solved by technology

At this time, due to insufficient computing resources and energy, the edge device cannot complete the calculation well and deliver on time. The device needs to offload the task to a nearby edge server or cloud server for calculation
In robot applications, the robot operating system (Robot Operating System, ROS) is often used as a means of communication. Through the ROS robot, the sensor data, lidar data, camera data, etc. collected by itself can be transmitted to nearby compu

Method used

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  • Communication method in cross-local area network distributed system based on Zenoh
  • Communication method in cross-local area network distributed system based on Zenoh
  • Communication method in cross-local area network distributed system based on Zenoh

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[0042] The invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. For the step number in the following embodiment, it is only provided for convenience of explaining that the order between steps does not limit any defined, and the execution order of each step in the embodiment can be adapted according to the understanding of the art. Sex adjustment.

[0043] The entire basic network facility of the present invention consists of a plurality of edge small stations, each of which consists of a wireless router and a computing device, and the computing device is connected to the wireless router through the Ethernet, ie all computing devices have a local area network at the beginning. . The computing device of all edge small stations is unified into seed nodes and normal nodes. The key to the dynamic networking is to make the device in different local area networks into a global zenoh named data network, and the device un...

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Abstract

The invention discloses a communication method and system in a cross-local area network distributed system based on Zenoh. The method comprises the following steps: dividing node categories for edge small stations and dynamically establishing a global Zenoh named data network; based on a global Zenoh naming data network, receiving information of edge small stations and completing data transmission; the node category comprises a seed node and a common node, and the global Zenoh named data network is a Zenoh network where the seed node is located. By using the method and the system, cross-local-area-network communication can be carried out without connecting to the cloud host through a core network, and the characteristics of the distributed system are considered, so that the stability and the availability of the system are enhanced. The communication method in the cross-local area network distributed system based on Zenoh can be widely applied to the field of cross-local area network communication.

Description

technical field [0001] The invention relates to the field of cross-local area network communication, in particular to a Zenoh-based communication method in a cross-local area network distributed system. Background technique [0002] In the mobile edge computing (Mobile Edge Computing) scenario, some resource-constrained edge devices (such as sensors, cameras, robots, etc.) will generate a large amount of data every day that needs to be processed to provide services such as Internet of Vehicles, face recognition, and monitoring. . At this time, due to insufficient computing resources and energy, the edge device cannot complete the calculation well and deliver on time. The device needs to offload the task to a nearby edge server or cloud server for calculation. In robot applications, the robot operating system (Robot Operating System, ROS) is often used as a means of communication. Through the ROS robot, the sensor data, lidar data, camera data, etc. collected by itself can b...

Claims

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Application Information

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IPC IPC(8): H04W48/16H04L41/12H04W76/10H04W4/12H04W40/02H04L67/104H04W76/19
CPCH04W48/16H04L41/12H04W76/10H04W4/12H04W40/02H04L67/104H04W76/19
Inventor 郭锦鸿罗柯陈旭周知
Owner SUN YAT SEN UNIV
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