Description: The extend MIB module is used for defining Huawei's Access Node Control Protocol (ANCP) MIB objects. ANCP is a dedicated control protocol between NAS and access nodes can facilitate NAS-managed tight QOS control in the access network, simplified OSS infrastructure for service management, optimized multicast replication to enable video services over DSL, subscriber statistics retrieval on the NAS for accounting purposes, and fault isolation capability on the NAS for the underlying access technology. Controllable multicast allows an access device to determine if a user has the authority to watch programs by identifying the user request packets. In this way, the access device controls and forwards the multicast services.