âûáîðêà | îïèñàíèå |
ADDRESS RESOLUTION (ÐÀÇÐÅØÅÍÈÅ ÀÄÐÅÑÀ)
|
- èñïîëüçóåòñÿ äëÿ ïðåîáðàçîâàíèÿ àäðåñîâ ñåòåâîãî óðîâíÿ (Network Layer) â îáóñëîâëåííûå ñðåäîé (media-specific) àäðåñà....
|
GATEWAY (ØËÞÇ)
|
- îðèãèíàëüíûé òåðìèí Internet ñåé÷àñ äëÿ îáîçíà÷åíèÿ òàêèõ óñòðîéñòâ èñïîëüçóåòñÿ òåðìèí ìàðøðóòèçàòîð (router) èëè áîëåå òî÷íî ìàðøðóòèçàòîð IP.  ñîâðåìåííîì âàðèàíòå òåðìèíû "gateway" è "application gateway" èñïîëüçóþòñÿ äëÿ îáîçíà÷åíèÿ ñèñòåì, âûïîëíÿþ...
|
PRESENTATION LAYER (ÓÐÎÂÅÍÜ ÏÐÅÄÑÒÀÂËÅÍÈß)
|
- óðîâåíü ìîäåëè OSI, îïðåäåëÿþùèé ñïîñîá ïðåäñòàâëåíèÿ èíôîðìàöèè ïðèêëàäíûìè ïðîãðàììàìè (êîäèðîâàíèÿ) äëÿ ïåðåäà÷è åå ìåæäó äâóìÿ êîíöàìè ñèñòåìû....
|
PHYSICAL MEDIA (ÔÈÇÈ×ÅÑÊÀß ÑÐÅÄÀ)
|
- ëþáîé ôèçè÷åñêè âîçìîæíûé ñïîñîá ïåðåäà÷è ñèãíàëîâ ìåæäó ñèñòåìàìè. Ðàññìàòðèâàåòñÿ âíå ìîäåëè OSI è èíîãäà îáîçíà÷àåòñÿ êàê íóëåâîé óðîâåíü (Layer 0). Ôèçè÷åñêîå ñîåäèíåíèå (ñîåäèíèòåëü, ðàçúåì) ñî ñðåäîé ìîæíî ðàññìàòðèâàòü êàê îïðåäåëåíèå âåðõíåãî èíòå...
|
PHYSICAL LAYER (ÔÈÇÈ×ÅÑÊÈÉ ÓÐÎÂÅÍÜ)
|
- óðîâåíü ìîäåëè OSI, îáåñïå÷èâàþùèé ñïîñîá àêòèâèçàöèè è ôèçè÷åñêîãî ñîåäèíåíèÿ äëÿ ïåðåäà÷è áèòîâ äàííûõ. Ãîâîðÿ ïðîùå, Ôèçè÷åñêèé óðîâåíü îáåñïå÷èâàåò ïðîöåäóðû ïåðåíîñà îäíîãî áèòà ÷åðåç ôèçè÷åñêóþ ñðåäó....
|
DATA LINK LAYER
|
- óðîâåíü 2 â ìîäåëè OSI. Ýòîò óðîâåíü îáåñïå÷èâàåò îðãàíèçàöèþ, ïîääåðæêó è ðàçðûâ ñâÿçè íà óðîâíå ïåðåäà÷è äàííûõ ìåæäó ýëåìåíòàìè ñåòè. Îñíîâíîé ôóíêöèåé óðîâíÿ 2 ÿâëÿåòñÿ ïåðåäà÷à ìîäóëåé èíôîðìàöèè èëè êàäðîâ è ñâÿçàííûé ñ ýòèì êîíòðîëü îøèáîê....
|
IONL (INTERNAL ORGANIZATION OF THE NETWORK LAYER)
|
- ñòàíäàðò OSI äëÿ äåòàëüíîé àðõèòåêòóðû ñåòåâîãî óðîâíÿ.  îáùåì ñëó÷àå ýòî ÷àñòü ñåòåâîãî óðîâíÿ ïîäñåòåé, ñîåäèíåííûõ ñ ïîìîùüþ ïðîòîêîëîâ êîíâåðãåíöèè (convergence protocols) ýêâèâàëåíòà ìåæñåòåâûõ ïðîòîêîëîâ, ñîçäàâàåìûõ â òåõ ñëó÷àÿõ, êîãäà Internet â...
|
|
<<< Íàçàä 1 [2]
|