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A distributed cable modem termination system (CMTS) architecture implementing a media access control chip
A distributed cable modem termination system (CMTS) architecture implementing a media access control chip
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机译:实现媒体访问控制芯片的分布式电缆调制解调器终端系统(CMTS)架构
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摘要
A distributed cable modem termination system (CMTS) in a hybrid fiber/coaxial (HFC) plant. The distributed CMTS comprises a network layer, at least one media access control layer, and at least one physical layer. The media access control layer implements a media access control chip. The media access control chip interfaces with the physical layer to provide timing to maintain components within the physical layer. The network layer, media access control layer, and physical layer each function as separate modules. The media access control chip provides the packet level media access control functions, and thus, does not require packet level media access control functions to be implemented in the same physical location. The media access control chip also provides a timing offset feature for handling time delays between the media access layer and the physical layer. This enables the network layer, the media access control layer, and the physical layer to each be in separate component locations of the HFC plant, yet physically connected throughout the HFC plant.
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