在多域物联网网络中,延迟保证SFC放置与VNF并行
Siquan Liu1, Chuangchuang Zhang2, Hongyong Yang1
1College of Computer Science and Artificial Intelligence, Ludong University, Yantai, 264025, China.
Scientific reports
|November 13, 2025
概括
物联网网络中的网络功能虚拟化 (NFV) 面临着6G延迟要求的挑战. 一个新的算法有效地放置服务功能链 (SFC) 来满足这些需求,提高服务接受度和降低成本.
科学领域:
- 计算机科学 计算机科学
- 网络工程 网络工程
- 电信 电信服务 电信服务 电信服务
背景情况:
- 网络功能虚拟化 (NFV) 使用虚拟网络功能 (VNF) 将网络功能与硬件脱.
- 服务功能链 (SFC) 代表物联网服务作为NFV启用网络中的有序VNF序列.
- 物联网网络的扩张和6G要求为SFC安装引入了严格的延迟约束.
研究的目的:
- 为了应对在多域物联网网络中延迟保证的SFC放置的挑战.
- 考虑服务质量 (QoS) 和VNF依赖性,优化SFC配置.
- 在延迟约束下最大限度地提高服务接受率并最大限度地降低运营成本.
主要方法:
- 制定了SFC放置作为一个多目标优化问题.
- 开发了一个延迟保证启发式SFC放置 (DGSP) 算法.
- 集成的VNF平行化用于独立的VNF和虚拟链接映射的最短路径.
主要成果:
- 与现有方法相比,DGSP算法实现了更高的服务接受率.
- 拟议的算法导致了较低的运营成本.
- 模拟结果验证了DGSP算法在满足延迟要求方面的有效性.
结论:
- 该DGSP算法提供了一种有效的解决方案,用于在多域物联网网络中实现延迟保证的SFC配置.
- 这种方法有效地平衡了服务接受,运营成本和严格的延迟要求.
- 这项工作有助于在支持6G的物联网环境中推进NFV.
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