SPICE桌面协议的研究与优化  

SPICE desktop protocol research and optimization

作　　者：杨声远 吴朋朋 雍文龙 Yang Shengyuan;Wu Pengpeng;Yong Wenlong(College of Information Science and Technology,Zhengzhou Normal University,Zhengzhou,Henan 450044,China)

机构地区：[1]郑州师范学院信息科学与技术学院,河南郑州450044

出　　处：《计算机时代》2023年第11期108-111,115,共5页Computer Era

基　　金：郑州师范学院大学生科研创新基金资助(项目编号:DCY2021025)。

摘　　要：云桌面技术是云计算的典型应用之一,其中桌面传输协议是为了提供良好的用户体验。分析了基于SPICE协议的虚拟桌面协议框架,包括客户端和服务端框架。针对播放视频时可能会出现延迟、丢帧和USB设备无法重定向等问题,重点分析了USB设备虚拟化框架、虚拟多通道技术和USBRedir技术等关键技术,并提出相应的解决方案,优化了SPICE协议的丢帧算法。Cloud desktop technology is one of the typical applications of cloud computing,in which desktop transport protocol is to provide good user experience.The virtual desktop protocol frameworks based on SPICE is analyzed,including client and server frameworks.Aiming at the problems such as delay,frame loss and USB device inability to redirect when playing video,we focus on analyzing key technologies such as USB device virtualization framework,virtual multi-channel technology and USBRedir technology,provide corresponding solutions,and optimize the frame dropping algorithm of SPICE protocol.

关 键 词：云桌面 SPICE桌面传输协议 USB重定向 USBRedir技术 丢帧算法 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论]