Article(id=1149781736059531690, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149781735614935465, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.03.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1715356800000, receivedDateStr=2024-05-11, revisedDate=1725552000000, revisedDateStr=2024-09-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1752058927788, onlineDateStr=2025-07-09, pubDate=1742832000000, pubDateStr=2025-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752058927788, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752058927788, creator=13701087609, updateTime=1752058927788, updator=13701087609, issue=Issue{id=1149781735614935465, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='3', pageStart='1', pageEnd='586', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752058927681, creator=13701087609, updateTime=1753780706926, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157003401239290378, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149781735614935465, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157003401239290379, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149781735614935465, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=391, endPage=401, ext={EN=ArticleExt(id=1149781736244081068, articleId=1149781736059531690, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Research on Path Planning Algorithms for In-Vehicle Time-Sensitive Networks, columnId=1149809888211198868, journalTitle=Automotive Engineering, columnName=Feature Topic:Key Technologies on Intelligent and Connected Vehicles, runingTitle=null, highlight=
With the rapid development of the electronic and electrical architecture of intelligent and connected vehicles,the demand for real-time reliability in in-vehicle communication networks has significantly increased. In this context,Time-Sensitive Networking (TSN) has become a critical technology to meet the demand. In this paper,the implementation of the IEEE 802.1CB protocol in vehicular networks is realized,filling the gap in current research regarding the combined use of link redundancy transmission and routing planning. An innovative multi-path routing strategy is proposed which balances network efficiency and reliability through dual-path transmission involving both primary and redundant paths. The core contribution of this study includes:(1) a novel NSGA2-based primary path routing algorithm,which achieves the dual objectives of load balancing and low latency through intelligent path planning,and (2) an improved Dijkstra-based redundant path routing algorithm,which ensures high-reliability transmission for information flows with varying priority levels. Finally,a hardware-software integrated experimental framework is proposed,demonstrating that the proposed algorithms outperform existing comparison algorithms by 18.19% to 62.29% in terms of load balancing and end-to-end latency,while also enhancing network reliability by 19.18% to 42.87%.
, articleAbstract=
With the rapid development of the electronic and electrical architecture of intelligent and connected vehicles, the demand for realtime reliability in invehicle communication networks has significantly increased. In this context, TimeSensitive Networking (TSN) has become a critical technology to meet the demand. In this paper, the implementation of the IEEE 802.1CB protocol in vehicular networks is realized, filling the gap in current research regarding the combined use of link redundancy transmission and routing planning. An innovative multipath routing strategy is proposed which balances network efficiency and reliability through dualpath transmission involving both primary and redundant paths. The core contribution of this study includes: (1) a novel NSGA2based primary path routing algorithm, which achieves the dual objectives of load balancing and low latency through intelligent path planning, and (2) an improved Dijkstrabased redundant path routing algorithm, which ensures highreliability transmission for information flows with varying priority levels. Finally, a hardwaresoftware integrated experimental framework is proposed, demonstrating that the proposed algorithms outperform existing comparison algorithms by 18.19% to 62.29% in terms of load balancing and endtoend latency, while also enhancing network reliability by 19.18% to 42.87%.
, correspAuthors=Xudong Zhang, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Xudong Zhang, Ya Wen, Yingqun Liu, Yuan Zou, Wenjing Sun, Ziyan Wu), CN=ArticleExt(id=1149781754657075831, articleId=1149781736059531690, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=车载时间敏感网络路径规划算法研究
*, columnId=1149809888341222293, journalTitle=汽车工程, columnName=专题:汽车智能化关键技术, runingTitle=null, highlight=
随着智能网联汽车电子电气架构的快速发展,对车内通信网络的实时可靠性提出了更高要求。在此背景下,时间敏感网络(TSN)日益成为实现该目标的关键技术。本文针对IEEE 802.1CB协议,实现了其在车载网络中的应用,填补了现有研究在链路冗余传输与路由规划方面结合使用的空白。提出了一种创新的多径路由策略,通过主路径和冗余路径的多路传输,兼顾了网络效率和可靠性。研究核心包括:一种基于NSGA2的主路径路由算法,通过智能路径规划实现了负载均衡与低延迟的双目标;一种改进的Dijkstra冗余路径路由算法,满足了不同优先级信息流的高可靠传输要求。最后,提出了一套软硬件结合的试验方案,试验证明本文所提算法在综合负载均衡度和端到端延时效果上优于其他对比算法18.19%~62.29%,并提升网络可靠性19.18%~42.87%。
, articleAbstract=
随着智能网联汽车电子电气架构的快速发展,对车内通信网络的实时可靠性提出了更高要求。在此背景下,时间敏感网络(TSN)日益成为实现该目标的关键技术。本文针对IEEE 802.1CB协议,实现了其在车载网络中的应用,填补了现有研究在链路冗余传输与路由规划方面结合使用的空白。提出了一种创新的多径路由策略,通过主路径和冗余路径的多路传输,兼顾了网络效率和可靠性。研究核心包括:一种基于NSGA2的主路径路由算法,通过智能路径规划实现了负载均衡与低延迟的双目标;一种改进的Dijkstra冗余路径路由算法,满足了不同优先级信息流的高可靠传输要求。最后,提出了一套软硬件结合的试验方案,试验证明本文所提算法在综合负载均衡度和端到端延时效果上优于其他对比算法18.19%~62.29%,并提升网络可靠性19.18%~42.87%。
, correspAuthors=张旭东, authorNote=null, correspAuthorsNote=
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1 School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081
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1 北京理工大学机械与车辆学院,北京 100081
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1 School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081
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1 北京理工大学机械与车辆学院,北京 100081
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2 北京理工大学,电动车辆国家工程研究中心,北京 100081)])]), Author(id=1170297150962409977, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736059531690, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1170297151100822012, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736059531690, authorId=1170297150962409977, language=EN, stringName=Yingqun Liu, firstName=Yingqun, middleName=null, lastName=Liu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081
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1 北京理工大学机械与车辆学院,北京 100081
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1 School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081
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1 北京理工大学机械与车辆学院,北京 100081
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1 School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081
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1 北京理工大学机械与车辆学院,北京 100081
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1 北京理工大学机械与车辆学院,北京 100081
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不同场景下各算法平均端到端延时, figureFileSmall=3WCkq+CHkn5Gj+HlQmkUOw==, figureFileBig=zaY9d8imVSfE2fUC4nEzDg==, tableContent=null), ArticleFig(id=1170297154695340610, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736059531690, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 名称 | 个数 | 假定可靠性概率/% |
| 域控制器 | VDC、CDC、MDC、VIU*4、Switch*4 | 11 | 99.97 |
| 传感器 | Lidar*3、Radar*6、Camera*11 | 20 | 99.98 |
| 链路 | | 33 | 99.99 |
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网络各节点及链路假定可靠性概率
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| 类别 | 名称 | 个数 | 假定可靠性概率/% |
| 域控制器 | VDC、CDC、MDC、VIU*4、Switch*4 | 11 | 99.97 |
| 传感器 | Lidar*3、Radar*6、Camera*11 | 20 | 99.98 |
| 链路 | | 33 | 99.99 |
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| 类型 | 优先级 | 发送 设备 | 帧长/ B | 周期/ ms | 截止 时间/ms | 预期 可靠性/% |
| 时钟同步流 | 7 | VIU | 64~ 1 518 | 20 | 20 | 99.90 |
| 控制数据流 | 6 | VIU CDC | 128 | 2 | 2 | 99.85 |
| 5 | MDC VDC | 84 | 10 | 10 | 99.85 |
| 媒体流 | 4 | Camera | 3 000 | 2 | 2 | 99.80 |
| 3 | Lidar | 4 320 | 2.5 | 2.5 | 99.75 |
| 2 | Radar | 1 600 | 5 | 5 | 99.75 |
| 尽力而为流 | 0 | Others | 64~ 1 518 | | | |
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各类信息流参数
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| 类型 | 优先级 | 发送 设备 | 帧长/ B | 周期/ ms | 截止 时间/ms | 预期 可靠性/% |
| 时钟同步流 | 7 | VIU | 64~ 1 518 | 20 | 20 | 99.90 |
| 控制数据流 | 6 | VIU CDC | 128 | 2 | 2 | 99.85 |
| 5 | MDC VDC | 84 | 10 | 10 | 99.85 |
| 媒体流 | 4 | Camera | 3 000 | 2 | 2 | 99.80 |
| 3 | Lidar | 4 320 | 2.5 | 2.5 | 99.75 |
| 2 | Radar | 1 600 | 5 | 5 | 99.75 |
| 尽力而为流 | 0 | Others | 64~ 1 518 | | | |
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| 算法 1 基于NSGA2的主路径路由算法 |
| 1:输入:网络拓扑。基于给定的有向图 G 构建网络拓扑结构,各节点分配唯一的标识符 id(si) 2:输入:信息流参数。基于给定的信息流Fi参数,得到每条信息流对应的发送节点、接收节点、单帧长度、周期、截止时间和优先级 3:初始化算法参数。设定优化目标函数的数量nobj,初始化种群的规模 npop,设定最大迭代次数maxit,交叉概率pc 和变异概率mu 4:for it = 1 to maxit do 5: initialize_population(npop) #创建初始种群 6: for mutate_time = 1 to nc do #针对个体遍历 7: p1 = tournamentsel(pop) #锦标赛选择 8: p2 = tournamentsel(pop) 9: pop = crossover(p1,p2) #交叉 10: end for 11: 生成子代种群 12: for mutate_time = 1 to nc do #对个体遍历 13: pop.position = mutate(pop) #变异 14: pop.cost = CalculateCosts(pop) #计算适应度 15: end for 16: npop = nondominatedsort(npop) #非支配排序 17: npop = calcrowdingdistance(npop) #拥挤度计算 18: npop = pop(npop) #淘汰 19: F1 = update(F1) #更新第一等级 20: bestsolution = min(F1) #找到并存储当前迭代的最优解 21: 显示当前迭代次数、F1 成员数、最优负载均衡和最优端到端延时 22: 绘制当前 Pareto 前沿解图 23:end for |
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基于NSGA2的主路径路由算法伪代码
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| 算法 1 基于NSGA2的主路径路由算法 |
| 1:输入:网络拓扑。基于给定的有向图 G 构建网络拓扑结构,各节点分配唯一的标识符 id(si) 2:输入:信息流参数。基于给定的信息流Fi参数,得到每条信息流对应的发送节点、接收节点、单帧长度、周期、截止时间和优先级 3:初始化算法参数。设定优化目标函数的数量nobj,初始化种群的规模 npop,设定最大迭代次数maxit,交叉概率pc 和变异概率mu 4:for it = 1 to maxit do 5: initialize_population(npop) #创建初始种群 6: for mutate_time = 1 to nc do #针对个体遍历 7: p1 = tournamentsel(pop) #锦标赛选择 8: p2 = tournamentsel(pop) 9: pop = crossover(p1,p2) #交叉 10: end for 11: 生成子代种群 12: for mutate_time = 1 to nc do #对个体遍历 13: pop.position = mutate(pop) #变异 14: pop.cost = CalculateCosts(pop) #计算适应度 15: end for 16: npop = nondominatedsort(npop) #非支配排序 17: npop = calcrowdingdistance(npop) #拥挤度计算 18: npop = pop(npop) #淘汰 19: F1 = update(F1) #更新第一等级 20: bestsolution = min(F1) #找到并存储当前迭代的最优解 21: 显示当前迭代次数、F1 成员数、最优负载均衡和最优端到端延时 22: 绘制当前 Pareto 前沿解图 23:end for |
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| 场景 | 特点 | 发送端 | 接收端 | 规模 |
| 1 | 单发单收 | Switch1上设备 | MDC | 7 |
| 2 | 多发单收 | 所有设备 (除MDC) | MDC | 32 |
| 3 | 多发多收 | 所有设备 | 域控制器 | 97 |
| 4 | 数据量大 | 所有设备 | 域控制器 | 146 |
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各场景对应模型的参数信息
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| 场景 | 特点 | 发送端 | 接收端 | 规模 |
| 1 | 单发单收 | Switch1上设备 | MDC | 7 |
| 2 | 多发单收 | 所有设备 (除MDC) | MDC | 32 |
| 3 | 多发多收 | 所有设备 | 域控制器 | 97 |
| 4 | 数据量大 | 所有设备 | 域控制器 | 146 |
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| 算法 | 评价指标 | 适应度函数 |
| MRA | 网络效率、可靠性 | 式(8) |
| Dijstra | 路径长度 | |
| GA-LB | 负载均衡度 | 式(1) |
| GA-ED | 端到端延时 | 式(7) |
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各算法评价指标和适应度函数
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| 算法 | 评价指标 | 适应度函数 |
| MRA | 网络效率、可靠性 | 式(8) |
| Dijstra | 路径长度 | |
| GA-LB | 负载均衡度 | 式(1) |
| GA-ED | 端到端延时 | 式(7) |
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| 种群规模 | 迭代次数 | 交叉概率 | 变异概率 |
| 30 | 200 | 0.8 | 0.05 |
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算法参数
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| 种群规模 | 迭代次数 | 交叉概率 | 变异概率 |
| 30 | 200 | 0.8 | 0.05 |
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| 序号 | 路径 | 可靠性 | 符合预期 |
| 1 | Lidar1→1→3→MDC | 99.86% | 是 |
| 2 | Radar2→1→2→3→MDC | 99.82% | 是 |
| 3 | Camera11→1→4→3→MDC | 99.82% | 是 |
| 4 | VIU1→1→2→3→MDC | 99.81% | 否 |
| 5 | VIU1→1→3→MDC | 99.85% | 是 |
| 6 | CDC→1→2→3→MDC | 99.81% | 否 |
| 7 | CDC→1→3→MDC | 99.85% | 是 |
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各信息流对应路径的可靠性指标
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| 序号 | 路径 | 可靠性 | 符合预期 |
| 1 | Lidar1→1→3→MDC | 99.86% | 是 |
| 2 | Radar2→1→2→3→MDC | 99.82% | 是 |
| 3 | Camera11→1→4→3→MDC | 99.82% | 是 |
| 4 | VIU1→1→2→3→MDC | 99.81% | 否 |
| 5 | VIU1→1→3→MDC | 99.85% | 是 |
| 6 | CDC→1→2→3→MDC | 99.81% | 否 |
| 7 | CDC→1→3→MDC | 99.85% | 是 |
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| 对应序号 | 备用路径 | 可靠性 | 是否符合预期 |
| 序号4 | VIU1→1→3→MDC | 99.85% | 是 |
| 序号6 | CDC→1→3→MDC | 99.85% | 是 |
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信息流冗余备用路径
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| 对应序号 | 备用路径 | 可靠性 | 是否符合预期 |
| 序号4 | VIU1→1→3→MDC | 99.85% | 是 |
| 序号6 | CDC→1→3→MDC | 99.85% | 是 |
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| 端口 | 发送帧数 | 接收帧数 |
| 发送端 | 26 348 | 0 |
| 接收端 | 0 | 52 696 |
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端口流量信息
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| 端口 | 发送帧数 | 接收帧数 |
| 发送端 | 26 348 | 0 |
| 接收端 | 0 | 52 696 |
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| 端口 | 发送帧数 | 接收帧数 |
| 发送端 | 48 769 | 0 |
| 接收端 | 0 | 48 769 |
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端口流量信息
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| 端口 | 发送帧数 | 接收帧数 |
| 发送端 | 48 769 | 0 |
| 接收端 | 0 | 48 769 |
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| 场景 | 网络需求 | | |
| 1 | 延时较低,尽量实现负载均衡 | 0.9 | 0.1 |
| 2 | 须实现快速信息聚合,高实时 | 0.1 | 0.9 |
| 3 | 高带宽、高效率、低延迟 | 0.6 | 0.4 |
| 4 | 确保网络的通畅,避免链路堵塞 | 0.4 | 0.6 |
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各场景决策函数加权值取值
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| 场景 | 网络需求 | | |
| 1 | 延时较低,尽量实现负载均衡 | 0.9 | 0.1 |
| 2 | 须实现快速信息聚合,高实时 | 0.1 | 0.9 |
| 3 | 高带宽、高效率、低延迟 | 0.6 | 0.4 |
| 4 | 确保网络的通畅,避免链路堵塞 | 0.4 | 0.6 |
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| 算法 | 场景1 | 场景2 | 场景3 | 场景4 |
| MRA | 0.10 | 0.10 | 0.38 | 0.35 |
| Dijstra | 0.90 | 0.10 | 0.57 | 0.38 |
| GA-LB | 0.10 | 0.95 | 0.40 | 0.50 |
| GA-ED | 0.90 | 0.10 | 0.60 | 0.42 |
| MRA 平均优化率 | 62.29% | 40.55% | 25% | 18.19% |
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不同场景下各算法路由方案决策值
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| 算法 | 场景1 | 场景2 | 场景3 | 场景4 |
| MRA | 0.10 | 0.10 | 0.38 | 0.35 |
| Dijstra | 0.90 | 0.10 | 0.57 | 0.38 |
| GA-LB | 0.10 | 0.95 | 0.40 | 0.50 |
| GA-ED | 0.90 | 0.10 | 0.60 | 0.42 |
| MRA 平均优化率 | 62.29% | 40.55% | 25% | 18.19% |
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| 场景 | 算法 | 仿真负载 均衡度 | 实测负载 均衡度 | 误差率/% |
| 1 | MAR | 5.549 3 | 5.509 3 | 0.726 3 |
| Dijstra | 8.525 7 | 8.496 2 | 0.347 2 |
| 2 | MAR | 22.711 9 | 23.417 7 | 3.013 8 |
| Dijstra | 22.762 3 | 22.553 0 | 0.927 8 |
| 3 | MAR | 13.580 1 | 13.487 3 | 0.688 2 |
| Dijstra | 14.544 2 | 14.524 3 | 0.136 5 |
| 4 | MAR | 78.970 7 | 79.111 3 | 0.177 8 |
| Dijstra | 81.556 8 | 81.442 3 | 0.140 6 |
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仿真与实际测试的负载均衡度对比
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| 场景 | 算法 | 仿真负载 均衡度 | 实测负载 均衡度 | 误差率/% |
| 1 | MAR | 5.549 3 | 5.509 3 | 0.726 3 |
| Dijstra | 8.525 7 | 8.496 2 | 0.347 2 |
| 2 | MAR | 22.711 9 | 23.417 7 | 3.013 8 |
| Dijstra | 22.762 3 | 22.553 0 | 0.927 8 |
| 3 | MAR | 13.580 1 | 13.487 3 | 0.688 2 |
| Dijstra | 14.544 2 | 14.524 3 | 0.136 5 |
| 4 | MAR | 78.970 7 | 79.111 3 | 0.177 8 |
| Dijstra | 81.556 8 | 81.442 3 | 0.140 6 |
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| 场景 | 网络 可靠性 | 不符合预期路径数 | 增加冗余路径后 网络可靠性 | 可靠性 优化率 |
| 1 | 57.04% | 5 | 99.84% | 42.87% |
| 2 | 71.78% | 10 | 99.86% | 28.12% |
| 3 | 75.73% | 34 | 98.83% | 23.37% |
| 4 | 80.71% | 30 | 99.86% | 19.18% |
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各场景下MRA算法生成路径网络可靠性
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| 场景 | 网络 可靠性 | 不符合预期路径数 | 增加冗余路径后 网络可靠性 | 可靠性 优化率 |
| 1 | 57.04% | 5 | 99.84% | 42.87% |
| 2 | 71.78% | 10 | 99.86% | 28.12% |
| 3 | 75.73% | 34 | 98.83% | 23.37% |
| 4 | 80.71% | 30 | 99.86% | 19.18% |
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