更重要的是，它容许全世界每台设备都具有各自唯一的IP地址，路由表记录稀少，如此路由的代价大为降低。
More to the point, it allows every device to have its own IP address, and the routing tables to be sufficiently sparse that routing is cheap.
网卡和MAC地址只是这个答案中重要的部分，你的网络还必须知道如何匹配同一台设备的MAC地址和其IP地址。
NICs and MACs are important pieces of the answer, but your network must learn to pair a MAC address with the IP address for the same machine.
例如，这种整合可以确保各种设备自动同步处理重要文件，比方说，地址簿，而且一种设备可以控制其它设备。
This mesh will make sure, for instance, that devices automatically synchronise important files, such as an address book, and that one device can control the others.
例如，这种整合可以确保各种设备自动同步处理重要文件，比方说，地址簿，而且一种设备可以控制其它设备。
This mesh will make sure, for instance, that devices automatically synchronise important files, such as an address book, and that one device can control the others.
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