IEEE 802.14
Mandate
Define media access control (MAC) standard and physical layer standard(s) to support multimedia services over Hybrid Fiber Coax (HFC)
Scope
Specify a single MAC protocol and potentially multiple physical layer protocols to support continuos, variable , and available bit rate traffic
Provide flexible frequency assignment, up and downstream symmetric and asymmetric data flow
Provide for co-existence with analog video transmission and compatibility with emerging technologies including ATM