Automatic test equipment (ATE) on a network (securing access to equipment and data)

J. R. McCarty
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引用次数: 1

Abstract

Integrating ATE into a network allows faster software upgrades to operating systems and Test Program Sets (TPS) for ATE systems. Upgrades to operating systems can be made to several ATE stations at one time from one computer TPS can be stored onto a sewer that can be shared by all the ATE stations. This allows upgrades to TPS at one location and not across ad of the ATE stations. Test data, calibration data, and other files on ATE stations can be monitored for troubleshooting of the system. Having ATE stations on a network, however, could pose some security risks if security is not addressed during the integration design process. The designer must have intimate knowledge of the network architecture and network security products to secure access to the equipment and protect the information flow to and from the ATE. The OSI model can assist the designer in understanding the network architecture and understanding at which level of the architecture the different security products can be applied to meet the security goals. At the network architectural level the ATE integrator becomes familiar with routers, switches, hubs, and methods of controlling traffic on a network. At the secured level the ATE integrator addresses which level of the OSI model to secure. Security can be applied at the top of the model at the application layer with products like Public Key Infrastructure (PKI), at the middle of the model at the session layer with products like firewalls, or at the bottom of the model at the physical layer with cryptographic devices. The last item that the designer needs to include during the integration of ATE onto a network is the network administrators.
网络上的自动测试设备(ATE)(保护对设备和数据的访问)
将ATE集成到网络中可以更快地将软件升级到ATE系统的操作系统和测试程序集(TPS)。可以从一台计算机一次对多个ATE站进行操作系统升级,TPS可以存储在所有ATE站共享的下水道中。这允许在一个位置升级TPS,而不是跨多个ATE站。测试数据,校准数据和其他文件上的ATE站可以监控系统的故障排除。但是,如果在集成设计过程中没有解决安全性问题,那么在网络上拥有ATE站可能会带来一些安全风险。设计人员必须熟悉网络架构和网络安全产品,以确保对设备的访问安全,并保护进出ATE的信息流。OSI模型可以帮助设计者理解网络体系结构,并理解在体系结构的哪个级别可以应用不同的安全产品来实现安全目标。在网络体系结构级别上,ATE集成商熟悉路由器、交换机、集线器和控制网络流量的方法。在安全级别,ATE集成商确定要保护OSI模型的哪个级别。安全性可以应用在应用层模型的顶部,使用诸如公钥基础设施(PKI)之类的产品;可以应用在会话层模型的中间,使用诸如防火墙之类的产品;也可以应用在物理层模型的底部,使用加密设备。在将ATE集成到网络中,设计人员需要包括的最后一项是网络管理员。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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