multicast encryption
... that multicast encryption is what enables a node on a network to send one unit of data to a special set of receivers?
... that <b id="mwC00"><a href="./Multicast_encryption" id="mwC04" rel="mw:WikiLink" title="Multicast encryption">multicast encryption</a></b> is what enables a <a href="./Node_(networking)" id="mwC08" rel="mw:WikiLink" title="Node (networking)">node</a> on a <a href="./Telecommunications_network" id="mwC1A" rel="mw:WikiLink" title="Telecommunications network">network</a> to send one unit of data to a special set of receivers?