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SACFIR: SDN-Based Application-Aware Centralized Adaptive Flow Iterative Reconfiguring Routing Protocol for WSNs.

Muhammad Aslam1, Xiaopeng Hu2, Fan Wang3

  • 1School of Computer Science and Technology, Dalian University of Technology, Dalian 116000, China. aslamhayat@mail.dlut.edu.cn.

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|December 14, 2017
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Summary
This summary is machine-generated.

Software-Defined Networking (SDN) enhances Wireless Sensor Networks (WSNs) with adaptive routing protocols. New methods like SACFIR and SAMCFIR improve network lifetime and scalability by balancing traffic and adapting reconfigurations.

Keywords:
application-specificflow reconfiguringheterogeneity awarenessroutingsoftware-defined networkingwireless sensor networks

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Area of Science:

  • Computer Science
  • Networking
  • Wireless Sensor Networks

Background:

  • Traditional Wireless Sensor Networks (WSNs) routing protocols struggle with dynamic environments due to limited iterative reconfiguration methods.
  • Constant periodic reconfigurations in WSNs lead to performance overhead, especially in challenging networking scenarios.
  • Software-Defined Networking (SDN) offers centralized control for dynamic network management and topology intelligence.

Purpose of the Study:

  • To propose novel SDN-based routing protocols, SACFIR and SAMCFIR, for efficient WSN management.
  • To maintain load-balancing between flow reconfigurations and flow allocation costs in WSNs.
  • To enhance network scalability, lifetime, and stability through adaptive and application-aware reconfigurations.

Main Methods:

  • Developed the SDN-based Application-aware Centralized adaptive Flow Iterative Reconfiguring (SACFIR) protocol with a centralized SDN iterative solver controller.
  • Implemented an iterative path-selection algorithm involving resource-based clustering and application-aware multi-hop transmissions.
  • Extended SACFIR to SAMCFIR for proactive and reactive reporting, enabling direct transmissions for main-value reports.

Main Results:

  • SACFIR and SAMCFIR protocols demonstrated superior load-balancing and adaptive reconfiguration based on traffic burden.
  • The proposed models achieved heterogeneity awareness and application-specific reconfigurations in WSNs.
  • Extensive simulations confirmed that SACFIR and SAMCFIR significantly outperform existing routing protocols in scalability, network lifetime, and stability.

Conclusions:

  • SDN-enabled adaptive routing protocols like SACFIR and SAMCFIR offer significant improvements for WSNs.
  • Centralized control and application-aware strategies effectively manage dynamic network conditions and optimize performance.
  • The proposed protocols provide a robust solution for enhancing the overall efficiency and longevity of Wireless Sensor Networks.