支持差异化可协商的数据通信机制  

Differentiated and negotiable mechanism for data communication

作　　者：寇文龙 李凤华 董秀则[4] 曹晓刚[2,3] 耿魁 李青[5] KOU Wenlong;LI Fenghua;DONG Xiuze;CAO Xiaogang;GENG Kui;LI Qing(School of Cyber Engineering,Xidian University,Xi’an 710071,China;Institute of Information Engineering,Chinese Academy of Sciences,Beijing 100093,China;School of Cyber Security,University of Chinese Academy of Sciences,Beijing 100049,China;Department of Electronic and Information Engineering,Beijing Electronics Science and Technology Institute,Beijing 100070,China;China Telecom Research Institute,Beijing 100033,China)

机构地区：[1]西安电子科技大学网络与信息安全学院,陕西西安710071 [2]中国科学院信息工程研究所,北京100093 [3]中国科学院大学网络空间安全学院,北京100049 [4]北京电子科技学院电子通信工程系,北京100070 [5]中国电信股份有限公司研究院,北京100033

出　　处：《通信学报》2021年第10期55-66,共12页Journal on Communications

基　　金：国家重点研发计划基金资助项目(No.2017YFB0801802)。

摘　　要：针对云环境和物联网中存在海量、差异化的计算单元和终端设备,硬件资源和运算能力的差异对高可靠高性能的数据通信提出了新的挑战这一问题,提出了支持差异化可协商的数据通信机制。提出参数协商方法,发送端根据接收端能力不同进行参数协商,实现差异化、可协商的数据通信;设计重传反馈机制,发送端通过接收端反馈的数据接收情况动态调整发送速率和重传数据,提高通信效率和可靠性。实验结果表明,所提机制能够根据接收端能力差异,进行动态自适应、高效、并行通信。In view of the massive and differentiated computing units and terminal devices in the cloud environment and the Internet of things,the differences in hardware resources and computing capabilities posed new challenges to high reliability and high performance data communication,a data communication mechanism supporting differentiation and negotiation was proposed.A parameters negotiation method was proposed,and parameters were negotiated by the sender according to the difference of the receiver capability to achieve differentiated and negotiable data communication.A retransmission feedback mechanism was designed,and the transmission rate was dynamically adjusted and the data was retransmitted based on the data reception feedback of the receiver by the sender to improve communication efficiency and reliability.The experimental results show that the proposed mechanism can perform dynamic adaptive,efficient and parallel communication according to the difference of the receiver capability.

关 键 词：自适应 差异化 可协商 滑动窗口 通信机制 

分 类 号：TN92[电子电信—通信与信息系统]