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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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An Adaptive Routing Algorithm Based on Relation Tree in DTN.

Diyue Chen1,2, Hongyan Cui1,2, Roy E Welsch3

  • 1State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China.

Sensors (Basel, Switzerland)
|December 10, 2021
PubMed
Summary
This summary is machine-generated.

Nodes in Delay Tolerant Networks (DTN) have social behaviors. An adaptive routing algorithm (AR-RT) uses a Relation Tree for targeted message forwarding, improving network performance.

Keywords:
DTNadaptiverelation treerouting algorithm

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Area of Science:

  • Computer Science
  • Network Engineering
  • Distributed Systems

Background:

  • Delay Tolerant Networks (DTN) face challenges due to intermittent connectivity.
  • Node behavior in DTNs can exhibit social patterns, similar to human interactions.
  • Existing routing algorithms struggle with scalability and efficiency in DTNs.

Purpose of the Study:

  • To propose an adaptive routing algorithm (AR-RT) for Delay Tolerant Networks.
  • To leverage social attributes of network nodes for improved routing efficiency.
  • To enhance the scalability of DTN routing through dynamic copy control.

Main Methods:

  • Nodes construct a Relation Tree based on historical encounter frequency.
  • Adaptive forwarding strategies are employed using the Relation Tree for targeted message delivery.
  • Source nodes dynamically adjust the maximum number of message copies based on cache occupancy.

Main Results:

  • The AR-RT algorithm demonstrates significant advantages over existing routing methods.
  • Improvements are observed in average delay, average hop count, and message delivery rate.
  • The algorithm shows effective negative feedback to network environment changes.

Conclusions:

  • The AR-RT algorithm effectively utilizes node social attributes for efficient DTN routing.
  • Adaptive strategies and dynamic copy control enhance routing performance and scalability.
  • AR-RT offers a promising solution for improving message delivery in intermittently connected networks.