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<p>clients and servers.</p>

<p>There are Linux-compatible NBD implementations for <a href="page.php?w=FreeBSD">FreeBSD</a> and other operating systems.  The term 'network block device' is sometimes also used generically.</p>

<p>Technically, a network block device is realized by three components: the server part, the client part, and the network between them.  On the client machine, which uses the exported device node, a kernel driver implements a virtual device. Whenever a program tries to access the device, the kernel driver forwards the request</p><p>
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