data link layer osi model osi 中文意思是什麼
data link layer osi model osi
解釋
模型數據鏈路層-
Ethernet maps the two lowest layers of osi model ( seven - layer module ) : data link layer and physical layer and divides them to some function sublayers including pcs ( physical coding sublayer ), pma ( physical medium attachment ) and pmd ( physical medium depend ) in physical layer. in these sublayers, logical link control ( llc ) is implemented through operation system, nic driver software and medium access control ( mac ) and the physical layer below it are implemented by the nic
以太網對應了osi開放系統模型( 7層網路模型)的最下兩層:數據鏈路層和物理層,並將其細分為一些功能子層,包括數據鏈路層的llc (邏輯鏈路控制)子層和mac (介質訪問控制)子層,物理層的pcs (物理編碼子層) 、 pma (物理介質附加子層)和pmd廈門大學碩士學位論文摘要(物理介質相關于層) 。 -
Vdl mode 4 is consulted the data link layer of osi reference model, and it provides upper layers with reliable point - to - point connection. because of the particularity of the civil aviation ' s applications, vdl - 4 protocol will support some special application program directly, such as automatic dependent surveillance - broadcast ( ads - b )
在對協議進行研究的基礎上,本文實現了與廣播式自動相關監視( ads - b )應用相關的vdl - 4協議棧的vss子層和lme子層,其中主要包括預約機制、網路接入和同步數據幀的廣播等。
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