This Recommendation provides a set of IP-based features that may be added to a cable modem or incorporated into a stand-alone device, that will enable cable operators to provide an additional set of enhanced services to their customers includingsupport for IPCablecom Quality of Service (QoS), enhanced security, additional management and provisioning features, and improved addressing and packet handling. This Recommendation implementsthe IPCable2Home Domain defined in ITU-T Rec.J.190.