OSI model

基本解釋

Technically, network switches operate at layer two (Data Link Layer) of the OSI model.
從技術(shù)上講，網(wǎng)絡(luò)交換機工作在OSI模型的第二層（數(shù)據(jù)鏈路層）。
Which layer of the OSI model can provide a connection-oriented, reliable data transfer between two hosts?
OSI 模型的哪一層能提供一筆連接定向的，可靠的數(shù)據(jù)在二個主人之間的移動?。
syhong86.blog.163.com
You have likely seen the OSI model many times, and in Figure 2 you will see the OSI model planted next to the model that is used by the OMG.
您也許已經(jīng)多次見過 OSI 模型了，在圖 2 中，您將看到 OSI 模型，旁邊就是 OMG 所使用的模型。