Reliability and bandwidth aware routing in SDN-based fog computing for IoT applications

IF 4.4 3区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

Ad Hoc Networks Pub Date : 2025-02-25 DOI:10.1016/j.adhoc.2025.103803

Parisa Valizadeh, Mohammad Hossein Yaghmaee, Yasser Sedaghat

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引用次数: 0

Abstract

Software-Defined Networking (SDN) and fog computing are pivotal in supporting computationally intensive tasks within Internet of Things (IoT) applications, enhancing efficiency and reliability. However, many IoT applications are constrained by communication paths prone to link failures, necessitating robust fault tolerance techniques to ensure reliable traffic flow. In particular, real-time IoT applications demand stringent reliability and bandwidth requirements (constraints), which are challenging to meet simultaneously. Although previous research has investigated SDN-based routing to improve reliability, developing a routing algorithm that satisfies both reliability and bandwidth constraints remains an NP-hard problem. In this paper, we propose two novel routing algorithms: Reliability Aware Bandwidth constrained Routing (RABR) and Reliability and Bandwidth Constrained Routing (RBCR), specifically designed for SDN-enabled environments. Our approach prioritizes service reliability while meeting strict reliability and bandwidth criteria. The proposed solution integrates several phases, including reliability aware and bandwidth constrained path routing and flow duplication through parallel/hybrid and sequential routing methods. Furthermore, we introduce a greedy heuristic algorithm, implemented by the SDN controller with an efficient time complexity. Simulation results demonstrate that our algorithm surpasses state-of-the-art approaches in critical metrics such as reliability, reliability-bandwidth success rate, and Runtime. As such, our solution emerges as a robust choice for SDN-enabled IoT environments.

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物联网应用中基于sdn的雾计算的可靠性和带宽感知路由

软件定义网络（SDN）和雾计算对于支持物联网（IoT）应用中的计算密集型任务、提高效率和可靠性至关重要。然而，许多物联网应用受到容易发生链路故障的通信路径的限制，需要强大的容错技术来确保可靠的流量。特别是，实时物联网应用需要严格的可靠性和带宽要求（约束），这些要求很难同时满足。虽然以前的研究已经研究了基于sdn的路由来提高可靠性，但开发一种同时满足可靠性和带宽约束的路由算法仍然是一个np难题。在本文中，我们提出了两种新的路由算法：可靠性感知带宽约束路由（RABR）和可靠性和带宽约束路由（RBCR），专门为支持sdn的环境设计。我们的方法优先考虑业务可靠性，同时满足严格的可靠性和带宽标准。该方案集成了多个阶段，包括可靠性感知和带宽约束路径路由以及通过并行/混合和顺序路由方法实现的流复制。此外，我们还引入了一种贪婪启发式算法，该算法由SDN控制器实现，具有有效的时间复杂度。仿真结果表明，我们的算法在可靠性、可靠性带宽成功率和运行时间等关键指标上优于最先进的方法。因此，我们的解决方案成为支持sdn的物联网环境的强大选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ad Hoc Networks 工程技术-电信学

CiteScore

10.20

自引率

4.20%

发文量

131

审稿时长

4.8 months

期刊介绍： The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to: Mobile and Wireless Ad Hoc Networks Sensor Networks Wireless Local and Personal Area Networks Home Networks Ad Hoc Networks of Autonomous Intelligent Systems Novel Architectures for Ad Hoc and Sensor Networks Self-organizing Network Architectures and Protocols Transport Layer Protocols Routing protocols (unicast, multicast, geocast, etc.) Media Access Control Techniques Error Control Schemes Power-Aware, Low-Power and Energy-Efficient Designs Synchronization and Scheduling Issues Mobility Management Mobility-Tolerant Communication Protocols Location Tracking and Location-based Services Resource and Information Management Security and Fault-Tolerance Issues Hardware and Software Platforms, Systems, and Testbeds Experimental and Prototype Results Quality-of-Service Issues Cross-Layer Interactions Scalability Issues Performance Analysis and Simulation of Protocols.