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Win32 Perl Programming: The Standard Extensions, Second Edition by Dave Roth

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The Win32 networking environment is based mostly on Microsoft’s LAN Manager. This environment is based on the NetBEUI protocol, which is an extended version of the NetBIOS protocol. This protocol is fairly useful and quite efficient under typical LAN-based networks.

One of the features of NetBEUI is that each computer on the network has a unique name that differentiates the machine from other machines. This means that, for one computer to communicate with another computer, it would have to know the name of the machine. When a computer connects to the network, it makes an announcement that it exists and that it wants to use a particular name. If any computer already uses that name, it is up to the computer with the name to inform ...

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