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预先计算的空间-地面集成结构 (P-SGIS) 针对空间-地面集成光学网络中的链路切断集 (LCS) 失败
Optics express
|January 29, 2025
概括
本研究介绍了一种预先计算的空间-地面集成结构 (P-SGIS),以保护地面光学网络 (TON) 免受链路切断集 (LCS) 的侵害. P-SGIS利用卫星光学网络 (SONs) 提供强大的网络生存能力.
科学领域:
- 光学网络工程 光学网络工程
- 网络生存能力 网络生存能力
- 太空-地面综合网络
背景情况:
- 陆地光学网络 (TON) 面临频繁的光纤链路故障,链路切断集 (LCS) 带来极端的分区挑战.
- 使用激光卫星间链路 (LISL) 的新兴卫星光学网络 (SON) 为网络弹性提供了新的可能性.
- 将TON和SON集成到一个空间-地面集成光学网络 (SGION) 中,可以提高整体网络的生存能力.
研究的目的:
- 解决现有生存技术的局限性,以应对LCS故障.
- 为SGIONs提出和评估一个新的空间-地面综合保护计划.
- 通过综合空间和地面资源,提高光学网络的稳定性和可靠性.
主要方法:
- 通过提取可靠,低冗余的备份结构来设计预计算的空间-地面集成结构 (P-SGIS).
- 开发用于P-SGIS构建和备份资源预留的启发式算法.
- 在SGION框架内的各种故障场景下分析网络生存能力.
主要成果:
- 通过利用SONN资源,P-SGIS有效地解决了LCS在TON中的故障.
- 拟议的保护计划表明了高资源效率.
- 数字结果证实了基于P-SGIS的方案的高保护成功率.
结论:
- P-SGIS提供了一种可行的解决方案,用于提高SGIONs在关键链路故障时的生存能力.
- 集成太空和地面光学网络为实现强大的网络保护提供了强大的机制.
- 开发的启发式算法在构建高效可靠的备份结构方面是有效的.
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