{"id":1982,"date":"2017-03-06T15:59:14","date_gmt":"2017-03-06T15:59:14","guid":{"rendered":"https:\/\/tst-amo.pp.ua\/blog\/?p=1982"},"modified":"2017-03-06T16:00:21","modified_gmt":"2017-03-06T16:00:21","slug":"osi","status":"publish","type":"post","link":"https:\/\/tst-amo.net.ua\/blog\/?p=1982","title":{"rendered":"OSI \u2014 open systems interconnection basic reference model"},"content":{"rendered":"

\u0423\u0440\u043e\u0432\u043d\u0438 \u043c\u043e\u0434\u0435\u043b\u0438 OSI<\/span><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u041c\u043e\u0434\u0435\u043b\u044c OSI<\/th>\n<\/tr>\n
\u0423\u0440\u043e\u0432\u0435\u043d\u044c (layer)<\/th>\n\u0422\u0438\u043f \u0434\u0430\u043d\u043d\u044b\u0445 (PDU[1]<\/a><\/sup>)<\/th>\n\u0424\u0443\u043d\u043a\u0446\u0438\u0438<\/th>\n\u041f\u0440\u0438\u043c\u0435\u0440\u044b<\/th>\n<\/tr>\n
Host
\nlayers<\/th>\n		7. \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0439 (application)<\/a><\/td>\n\u0414\u0430\u043d\u043d\u044b\u0435<\/td>\n\u0414\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u0441\u043b\u0443\u0436\u0431\u0430\u043c<\/small><\/td>\nHTTP<\/a>, FTP<\/a>, SMTP<\/a><\/td>\n<\/tr>\n
6. \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 (\u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f) (presentation)<\/a><\/td>\n\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0438\u00a0\u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/a> \u0434\u0430\u043d\u043d\u044b\u0445<\/small><\/td>\nASCII<\/a>, EBCDIC<\/a>, JPEG<\/a><\/td>\n<\/tr>\n
5. \u0421\u0435\u0430\u043d\u0441\u043e\u0432\u044b\u0439 (session)<\/a><\/td>\n\u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0435\u0430\u043d\u0441\u043e\u043c \u0441\u0432\u044f\u0437\u0438<\/small><\/td>\nRPC<\/a>, PAP<\/a><\/td>\n<\/tr>\n
4. \u0422\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0439 (transport)<\/a><\/td>\n\u0421\u0435\u0433\u043c\u0435\u043d\u0442\u044b<\/a> (segment)\/
\n\u0414\u0435\u0439\u0442\u0430\u0433\u0440\u0430\u043c\u043c\u044b<\/a> (datagram)<\/td>\n		\u041f\u0440\u044f\u043c\u0430\u044f \u0441\u0432\u044f\u0437\u044c \u043c\u0435\u0436\u0434\u0443 \u043a\u043e\u043d\u0435\u0447\u043d\u044b\u043c\u0438 \u043f\u0443\u043d\u043a\u0442\u0430\u043c\u0438 \u0438 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c<\/small><\/td>\nTCP<\/a>, UDP<\/a>, SCTP<\/a><\/td>\n<\/tr>\n
Media[2]<\/a><\/sup>
\nlayers<\/th>\n		3. \u0421\u0435\u0442\u0435\u0432\u043e\u0439 (network)<\/a><\/td>\n\u041f\u0430\u043a\u0435\u0442\u044b<\/a> (packet)<\/td>\n\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0430 \u0438 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0430\u0434\u0440\u0435\u0441\u0430\u0446\u0438\u044f<\/small><\/td>\nIPv4<\/a>, IPv6<\/a>, IPsec<\/a>, AppleTalk<\/a><\/td>\n<\/tr>\n
2. \u041a\u0430\u043d\u0430\u043b\u044c\u043d\u044b\u0439 (data link)<\/a><\/td>\n\u0411\u0438\u0442\u044b (bit)\/
\n\u041a\u0430\u0434\u0440\u044b<\/a> (frame)<\/td>\n		\u0424\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0430\u0434\u0440\u0435\u0441\u0430\u0446\u0438\u044f<\/small><\/td>\nPPP<\/a>, IEEE 802.2<\/a>, Ethernet<\/a>, DSL<\/a>, ARP<\/a>, L2TP<\/a><\/td>\n<\/tr>\n
1. \u0424\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438\u0439 (physical)<\/a><\/td>\n\u0411\u0438\u0442\u044b<\/a> (bit)<\/td>\n\u0420\u0430\u0431\u043e\u0442\u0430 \u0441\u043e \u0441\u0440\u0435\u0434\u043e\u0439 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438, \u0441\u0438\u0433\u043d\u0430\u043b\u0430\u043c\u0438 \u0438 \u0434\u0432\u043e\u0438\u0447\u043d\u044b\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438<\/small><\/td>\nUSB<\/a>, \u0432\u0438\u0442\u0430\u044f \u043f\u0430\u0440\u0430, \u043a\u043e\u0430\u043a\u0441\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u043a\u0430\u0431\u0435\u043b\u044c, \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u0430\u0431\u0435\u043b\u044c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"image_pdf\"<\/a>\"image_print\"<\/a><\/div>","protected":false},"excerpt":{"rendered":"

\u0423\u0440\u043e\u0432\u043d\u0438 \u043c\u043e\u0434\u0435\u043b\u0438 OSI \u041c\u043e\u0434\u0435\u043b\u044c OSI \u0423\u0440\u043e\u0432\u0435\u043d\u044c (layer) \u0422\u0438\u043f \u0434\u0430\u043d\u043d\u044b\u0445 (PDU[1]) \u0424\u0443\u043d\u043a\u0446\u0438\u0438 \u041f\u0440\u0438\u043c\u0435\u0440\u044b Host layers 7. \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0439 (application) \u0414\u0430\u043d\u043d\u044b\u0435 \u0414\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u0441\u043b\u0443\u0436\u0431\u0430\u043c HTTP, FTP, SMTP 6. \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 (\u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f) (presentation) \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0438\u00a0\u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 ASCII, EBCDIC, JPEG 5. \u0421\u0435\u0430\u043d\u0441\u043e\u0432\u044b\u0439 (session) \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0435\u0430\u043d\u0441\u043e\u043c \u0441\u0432\u044f\u0437\u0438 RPC, PAP 4. \u0422\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0439 (transport) \u0421\u0435\u0433\u043c\u0435\u043d\u0442\u044b (segment)\/ \u0414\u0435\u0439\u0442\u0430\u0433\u0440\u0430\u043c\u043c\u044b (datagram) \u041f\u0440\u044f\u043c\u0430\u044f \u0441\u0432\u044f\u0437\u044c \u043c\u0435\u0436\u0434\u0443 \u043a\u043e\u043d\u0435\u0447\u043d\u044b\u043c\u0438 \u043f\u0443\u043d\u043a\u0442\u0430\u043c\u0438 …<\/p>\n

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