Management information (CDMM) packaging method based on IEEE (Institute of Electrical and Electronic Engineers) OAM (Operation Administration and Maintenance), C-DOCSIS (Data Over Cable Service Interface Specification) radio frequency interface module and system control module

Abstract

The invention provides a management information (CDMM) packaging method based on IEEE (Institute of Electrical and Electronic Engineers) OAM (Operation Administration and Maintenance). The method comprises the following steps of: 1, when the length of the CDMM is greater than the greatest transmission length of a transmission layer, carrying out frame slicing on the CDMM, wherein each slice is one PDU (Protocol Data unit) of the CDMM, and the CDMM comprises a first PDU and follow-up PDUs; and 2, packing the CDMM subjected to frame slicing in the transmission layer based on the IEEE OAM, wherein the first PDU comprises a PDU version number field and used for identifying a reserved field of a radio frequency output port, an operation code field of a CDMM message, a conversation ID (Identity) field of the CDMM and a data field related to an operation code, and the CDMM message packaged in the transmission layer based on the IEEE OAM comprises a transmission layer protocol header and message content. The CDMM packaged by utilizing the method provided by the invention can be used for realizing the distributed configuration based on standard intercommunity of a system control module and a radio frequency interface module, and state and management information can be alternatively configured between the system control module and the radio frequency interface module.

Description

technical field [0001] The invention relates to the field of communication, in particular to a method for encapsulating management information (CDMM) based on IEEE OAM, a radio frequency interface module and a system control module of C-DOCSIS in a system based on coaxial cable broadband access. Background technique [0002] The coaxial cable-based broadband access system was developed by the State Administration of Radio, Film and Television of China to solve the problems of domestic next-generation broadband access technology and bidirectional network transformation, based on DOCSIS 3.0 standard technology, combined with domestic passive optical network (PON), hybrid optical copper network ( HFC), the actual situation of the edge broadband access network, and the Chinese DOCSIS technical standard formulated. The coaxial cable-based broadband access system includes a radio frequency interface module, a classification and forwarding module, and a system control module. The s...

AI Technical Summary

Problems solved by technology

[0003] At present, the existing DOCSIS system design does not provide this standard interface, so it cannot support the distributed implementation of the system control module and the radio frequency interface module based on standard interoperability

At the same time, how to realize the information exchange configuration and state management between the DOCSIS system control module and the radio frequency interface module, and how to classify and forward service flows and map priority messages to the upper-layer convergence network (especially the passive optical network PON network) Control and management are still blank in the current traditional DOCSIS system, and there are no related applications and specifications, so it is difficult to solve technical problems such as information exchange, configuration and management of DOCSIS service flows on the existing PON convergence network

Images