DOCSIS 3.0 Theory of Operation and CM Initialization(Cable Modem的初始化和注册过程详解).ppt

DOCSIS 3.0 Theory of Operation and CM Initialization(Cable Modem的初始化和注册过程详解).ppt

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DOCSIS 3.0 Theory of Operation and CM Initialization(Cable Modem的初始化和注册过程详解)

Multipart Registration Request Two type of Registration Request Single frame Registration Request (REG-REQ) Multipart Registration Request (REG-REQ-MP) If CM sees MDD message on primary DS, CM must use REG-REQ-MP REG-REQ TLVs From Configuration File All configuration settings included in the CMTS MIC calculation Enable 2.0 Mode Downstream Channel List CMTS MIC Configuration Settings Channel Assignment Configuration Settings Upstream Channel ID from configuration file Downstream Frequency from configuration file REG-REQ TLVs Others not from configuration file Vendor ID Modem Capabilities Encodings Receive Channel Profile Encodings A Cable Modem reports its ability to receive multiple channels with one or more RCP Encodings in a REG-REQ message Receive Channel Profile (RCP) The RCP describes a logical representation of the CMs downstream physical layer in terms of Receive Channels (RCs) and Receive Modules (RMs). “Receive Channel” refer to the component of CM that receive a single DS on single center frequency “Receive Module” refer to the component in the CM physical layer implementation shared by multiple Receive Channel Multipart Registration Response If CMTS receive REG-REQ-MP, it must response REG-RSP-MP REG-RSP TLVs If CMTS return a non-zero value for ‘Multiple Receive Channel Support’ modem capability, the REG-RSP must include Receive Channel Configuration DSID Encoding If CMTS return a non-zero value for ‘Multiple Transmit Channel Support’ modem capability, the REG-RSP must include Transmit Channel Configuration Service Flow SID Cluster Assigment Receive Channel Configuration (RCC) RCC encoding contains TLVs to configure the Receive Channel and Receive Module of the selected RCP RCP-ID: Assigned RCP-ID REG-REQ-MP may have multiple RCP Encodings Receive Module Encoding Receive Module Index Receive Module First Channel Center Frequency Assignment Receive Module Connectivity Receive Channel Assignment Receive Channel Index Receive Channel Connectivity Receive C

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