End-to-end delay improvement method and device for hysteresis network based on behavior similarity model

Abstract

The invention provides an end-to-end delay improvement method and device for a hysteresis network based on a behavior similarity model, and the method comprises the steps: enabling a hysteresis network application scene to be mapped on a map, and dividing the map into regions; setting initialization time, calculating and recording the access frequency of each node of the tolerance network to eachregion within the initialization time, and reserving the weight value vector table of all the regions by each node; obtaining a node pair of two nodes entering the communication range of the oppositeside in the hysteresis tolerance network, wherein the node pair comprises two nodes entering the communication range of the opposite side; entering a node pair emission stage; and judging whether thenumber of message copies of the node in the node pair is 1 or not, and if so, entering a waiting stage. According to the scheme provided by the invention, the effects of high message submission probability in the DTN and reduction of submission delay can be achieved.

Description

technical field [0001] The invention relates to the field of hysteretic network (DTN), in particular to a method and device for improving end-to-end time delay of a hysteretic network based on a similar behavior model. Background technique [0002] Delay-tolerant network (DTN), instant delay tolerant network, is a general message-oriented and reliable overlay network architecture proposed by Kevin et al. in 2003. It is an overlay network located on top of a regional network. Such as figure 1 shown. It can be applied to limited network environments such as IPN, wireless sensor networks, and vehicle networks. It is mainly a solution for end-to-end connections and node resources with limited time. It is suitable for military, aerospace communications, disaster recovery, emergency rescue and other fields. Information interaction provides powerful scientific theory and technical support. However, network disconnection often occurs in hysteresis-tolerant networks, resulting in ...

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Problems solved by technology

[0004] In order to solve the above technical problems, the present invention proposes a method and device for improving the end-to-end delay of a hysteresis network based on a behavioral similarity model. There are technical problems of low message delivery probability and long delivery delay

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