DOCSIS MAC管理消息类型

MAC帧为CMC与CM之间MAC子层的传输单位。

在上行方向,MAC帧前面为PMD子层开销。

在下行方向,MAC帧前面为MPEG传输汇聚头。


MAC帧:MAC Header+Data PDU


MAC帧的开始部分为MAC头:FC(1),MAC_PARM(1), LEN(2), EHDR(0-240), HCS(2)



C-DOCSIS必须支持的MAC管理消息:

SYNC: Time Synchronization

UCD: Upstream Channel Descriptor

MAP: Upstream Bandwidth Allocation

MDD: MAC Domain Descriptor

CM-STATUS: CM Status Report


RNG-REQ: Ranging REQ

RNG-RSP: Ranging RSP


REG-REQ: Registration REQ

REG-RSP: Registration RSP

REG-ACK: Registration ACK


DSA-REQ: Dynamic Service Addition REQ

DSA-RSP: Dynamic Service Addition RSP

DSA-ACK: Dynamic Service Addition ACK


DSC-REQ: Dynamic Service Chang REQ

DSC-RSP: Dynamic Service Chang RSP

DSC-ACK: Dynamic Service Chang ACK


DSD-REQ: Dynamic Service Deletion REQ

DSD-RSP: Dynamic Service Deletion RSP

DSD-ACK: Dynamic Service Deletion ACK


DCC-REQ: Dynamic Channel Change REQ

DCC-RSP: Dynamic Channel Change RSP

DCC-ACK: Dynamic Channel Change ACK


DBC-REQ: Dynamic Bonding Change REQ

DBC-RSP: Dynamic Bonding Change RSP

DBC-ACK: Dynamic Bonding Change ACK


BPKM-REQ: Baseline Privacy Key Management REQ

BPKM-RSP: Baseline Privacy Kay Management RSP




DOCSIS MAC管理消息类型_第1张图片

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