本文主要对EPON的媒体接入控制(mac)层(包括MAC控制子层和RS子层)中的若干关键问题进行了深入的研究。

This paper studies the several key issues of media access control (MAC) layer of EPON, including MAC control sub-layer and RS sub-layer.

youdao

下一代网络采用分层的结构，分为松散耦合的业务层、控制层、媒体传输层和接入层。

The NGN adapts the layered structure as service layer, control layer, media transport layer and access layer.

youdao