多路径传输技术研究综述  

Research Review on Multipath Transmission Technology

作　　者：苏金树[1,2] 宋丛溪 计晓岚 徐草 韩彪 SU Jin-Shu;SONG Cong-Xi;JI Xiao-Lan;XU Cao;HAN Biao(College of Computer Science and Technology,National University of Defense and Technology,Changsha 410073,China;Academy of Military Science,Beijing 100091,China)

机构地区：[1]国防科技大学计算机学院,湖南长沙410073 [2]军事科学院,北京100091

出　　处：《软件学报》2025年第1期289-320,共32页Journal of Software

基　　金：国家自然科学基金(62102430,62372462,62372762);湖湘青年英才项目(2020RC3027);湖南省自然科学基金(2021JJ40688);长沙市杰出创新青年培养计划(kq2206001);国防科技大学科研计划(ZK22-50)。

摘　　要：多路径传输技术是指通过设备上的多个网络接口,在通信双方建立多条传输路径,实现带宽聚合、负载均衡、路径冗余,增加传输的吞吐量,提高可靠性.多路径传输技术凭借其上述优势,已被广泛应用于服务器、终端和数据中心等场景,是网络体系结构和传输技术研究的重要组成,具有重要研究价值和意义.为此,从概念、核心机制等方面,系统梳理了多路径传输技术.首先概述了多路径传输的基本概念、标准化进程以及应用价值.其次,阐述多路径传输技术的核心机制,包括拥塞控制、报文调度、路径管理、重传机制、安全机制,以及面向特定应用的机制设计.对每种机制的分类方法、主要研究成果给予了总结和评述,分析总结了不同机制的优缺点与发展方向.最后,探讨了多路径传输技术研究面临的挑战,展望了未来研究方向.Multi-path transmission technology establishes multiple transmission paths between communication parties via various network interfaces on devices.In this way,bandwidth aggregation,load balance,and path redundancy will be achieved to increase transmission throughput and reliability.These benefits allow the multipath transmission technology to be widely used in several application scenarios such as servers,terminals,and data centers.As a part and parcel of network architecture and transmission technology studies,the technology is of research significance and value.To this end,this study systematically analyzes the multi-path transmission technology in terms of its concepts and core mechanisms.Firstly,the basic concepts,standardized process and application value of multi-path transmission are outlined.Secondly,the core mechanisms of the multi-path transmission technology are enunciated,including congestion control,packet scheduling,path management,retransmission mechanism,security mechanism,and the mechanism for specialized applications.Classification methods and the main research results of each mechanism are elaborated,and the advantages,disadvantages and the development direction of mechanisms are summarized.Finally,this study probes into challenges faced by multi-path transmission technology research and envisions the prospect for relevant studies.

关 键 词：多路径传输 QUIC 拥塞控制 报文调度 智能网络 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]