+<p>The token is an identifier that the the client must give to be authentificated.</p>
+
+<p>At start, afb-daemon get an initial token. This initial token must be presented
+incoming client to be authentificated.</p>
+
+<p>A token is valid only for a period.</p>
+
+<p>The token must be renewed periodically. When the token is renewed, afb-daemon
+sends the new token to the client.</p>
+
+<p>Tokens generated by afb-daemon are UUIDs.</p>
+