The vigorous development of Internet plus encourage more users to choose Internet service based on smart terminals, and thus the provision of high reliable and high bandwidth network becomes the problem demanding prompt solution, and additionally offers supports to the future ubiquitous intelligent network system and a various personalized interactive mode. The traditional path usage pattern considers that the interfaces of intelligent terminals are mutually exclusive. Concurrent multipath transmission can improve throughput performance and transmission reliability to a certain extent by optimizing resource utilization of the ubiquitous network in the same network conditions. The basic principles and typical protocols of concurrent multipath transmission are described, and the development of concurrent multipath transmission expounded from four aspects, namely path management, flow control and congestion control, scheduling management and handover management.%基于"互联网+"的蓬勃发展促使更多用户选择基于智能终端使用互联网服务,因此提供高可靠、高带宽网络是目前迫切要解决的问题,同时也为未来普惠泛在、智能化的网络体系及多种个性化交互模式提供支撑.传统的路径使用模式认为,智能终端的接口彼此为互斥关系.并发多路径传输在同样的网络情况下,通过优化泛在网络的资源利用,一定程度上可有效提高吞吐量性能和传输的可靠性.阐述并发多路径传输的基本原理和典型协议,分别从路径管理、流量控制与拥塞控制、调度管理和切换管理四个方面介绍并发多路径传输的发展.
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