Design and Implementation of Information Interactive Interface between QualNet and Virtual Machine for Link16

doi:10.12382/bgxb.2022.1217

Abstract

Abstract:

Link16 is a high-speed line-of-sight tactical data link adopted by the U.S. Department of Defense and is widely used in the U.S. Navy, joint forces, and NATO forces, for which testing and evaluation is of military importance. Integrating physical Link16 equipment into simulation testing through hardware-in-the-loop technology can effectively improve the realism and accuracy of test results. However, the cost issue still arises when physical equipment networking test is required in the testing scenario. Therefore, a Link16-specific model based on QualNet MAC layer and a matching virtual machine information interactive interface are proposed. This model can realistically simulate Link16 communication behavior, achieve the functions such as node competition access, time slot division, and NPG grouping. Based on data distributed services, the virtual machine and the QualNet simulation server are connected through this interface, thereby incorporating the Link16 equipment model running on the virtual machine into the QualNet testing scenario. Experimental results demonstrate that the proposed model has high realism and accuracy, and the interface introduces a delay of no more than 1ms, providing a new method for large-scale data link network testing.

Key words: interactive interface, Link16 data link, virtual machine, QualNet MAC layer, network simulation

CLC Number:

TP391.9

YANG Haowei, GONG Peng, ZHANG Jihao, WANG Weidong, TANG Feixi, ZHOU Zijiao, ZHANG Guangwei. Design and Implementation of Information Interactive Interface between QualNet and Virtual Machine for Link16[J]. Acta Armamentarii, 2024, 45(4): 1186-1195.

Figures/Tables 19

References 24

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结构体名称	参数(部分)	说明
MacDataLink16	信道序号;MAC层指针;当前状态;NPG信息;时隙信息;数据缓存;计时器消息	用于节点存储Link16相关数据,是协议核心结构体
Link16NPGInfo	NPG地址;时隙类型;延时;封装格式;接入方式;NPG名称	记录NPG相关信息
Link16SlotInfo	时隙类型;NPG地址;封装格式;接入方式;持续时间	记录时隙相关信息

结构体名称	参数(部分)	说明
MacDataLink16	信道序号;MAC层指针;当前状态;NPG信息;时隙信息;数据缓存;计时器消息	用于节点存储Link16相关数据,是协议核心结构体
Link16NPGInfo	NPG地址;时隙类型;延时;封装格式;接入方式;NPG名称	记录NPG相关信息
Link16SlotInfo	时隙类型;NPG地址;封装格式;接入方式;持续时间	记录时隙相关信息

结构体名称	参数(部分)	说明
Link16Header	源地址;目的地址;网络类型;	模拟Link16消息头部信息
Link16Message	同步标志位;精确定时标志位;头部	模拟Link16消息信息
Link16PacketInfo	源地址;目标地址;目标NPG;发送接口;持续时间	存储Link16数据包信息,用于QualNet中信息交互

结构体名称	参数(部分)	说明
Link16Header	源地址;目的地址;网络类型;	模拟Link16消息头部信息
Link16Message	同步标志位;精确定时标志位;头部	模拟Link16消息信息
Link16PacketInfo	源地址;目标地址;目标NPG;发送接口;持续时间	存储Link16数据包信息,用于QualNet中信息交互

结构体名称	参数(部分)	说明
Link16FragQueue	源节点号;目的节点号;目标NPG;碎片数据;当前数据信息;总大小	记录碎片数据队列信息
Link16FragData	负载;实际大小;虚拟大小	碎片数据缓存