这些硬件设备本质上类似于路由器和交换机等网络设备，因为它们都将软硬件合并到一个可以立即投入使用的包中。
These hardware devices are similar in nature to network devices like routers and switches in that they combine hardware and software in a turnkey package.
从某种意义上说，这种技术支持任意规模的大型设备网络，该网络可以包含服务器、终端设备和交换机(用于设备发现和包路由)。
In a sense, this permits arbitrarily large networks of devices, including servers, end devices, and switches (complete with device discovery and packet routing).
报警系统。报警传输系统和设备。第1 - 5部分：包交换网络PS N用要求。
Alarm systems - Alarm transmission systems and equipment - Part 1-5: requirements for Packet Switched Network PSN.
如何在大业务量的网络环境下确保各设备之间协议包的正常交互，是以太网交换机设计面临的重要问题。
For design of an Ethernet switch, it is important to ensure normal interaction of protocol packets between different devices under a network environment of massive traffic.
数据包交换系统、方法，路由设备，数据包结构和产生方法。
Data pack exchanging system, method, route appts. data pack structure and generation method.
一种典型的WAN由称为信息包交换机的电子设备通过通信线路连接而成。
A typical WAN consists of electronic devices called packet switches interconnected by communication lines.
在这里概述的题目包括点对点链路，电路交换，分组包交换，虚电路，拨号服务，和WAN设备。
Topics summarized here include point-to-point links, circuit switching, packet switching, virtual circuits, dialup services, and WAN devices.
在这里概述的题目包括点对点链路，电路交换，分组包交换，虚电路，拨号服务，和WAN设备。
Topics summarized here include point-to-point links, circuit switching, packet switching, virtual circuits, dialup services, and WAN devices.
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