{"id":247,"date":"2021-04-13T21:42:59","date_gmt":"2021-04-13T18:12:59","guid":{"rendered":"https:\/\/mizbanserver.net\/mag\/?p=247"},"modified":"2021-04-29T12:20:43","modified_gmt":"2021-04-29T08:50:43","slug":"osi","status":"publish","type":"post","link":"https:\/\/mizbanserver.net\/mag\/it\/network\/osi\/","title":{"rendered":"\u0645\u062f\u0644 \u0645\u0631\u062c\u0639 OSI"},"content":{"rendered":"

\u0645\u062f\u0644 OSI \u0686\u06cc\u0633\u062a\u061f<\/span><\/strong><\/h2>\n

\u0645\u062f\u0644 OSI \u0645\u062e\u0641\u0641 \u0639\u0628\u0627\u0631\u062a open system Interconnection \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u062f\u0627\u0631\u0627\u0631\u06cc \u0647\u0641\u062a \u0644\u0627\u06cc\u0647 \u0645\u06cc\u200c\u200e\u0628\u0627\u0634\u062f \u0648 \u0647\u0631 \u0644\u0627\u06cc\u0647 \u0648\u0638\u0627\u06cc\u0641 \u0645\u062e\u062a\u0635 \u0628\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f \u0637\u0648\u0631\u06cc \u06a9\u0647 \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 \u0644\u0627\u06cc\u0647 \u067e\u0627\u06cc\u06cc\u0646\u06cc \u0648 \u0628\u0627\u0644\u0627\u06cc\u06cc \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0631\u0627\u06cc\u0627\u0646\u0647 \u0627\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0628\u0631\u0627\u06cc \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0634\u0628\u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0646\u062d\u0648\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0631 \u0634\u0628\u06a9\u0647 \u0631\u0627 \u062a\u0634\u0631\u06cc\u062d \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n

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\u0647\u0631\u0686\u0646\u062f \u062f\u06cc\u06af\u0631 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0627\u0645\u0631\u0648\u0632\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0645\u062f\u0644 OSI \u0646\u06cc\u0633\u062a \u0628\u0644\u06a9\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u062f\u0644 \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc \u0628\u0647 \u0646\u0627\u0645 TCP\/IP<\/span><\/a> \u0627\u0633\u062a. \u0627\u0645\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u062f\u0644 OSI \u0628\u0631\u0627\u06cc \u062a\u062c\u0633\u0645 \u0648 \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0648 \u0646\u062d\u0648\u0647 \u06cc \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0646 \u0634\u0628\u06a9\u0647 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0648 \u0639\u06cc\u0628 \u06cc\u0627\u0628\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u0634\u0628\u06a9\u0647 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n

\u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0628\u0647 \u0645\u0639\u0631\u0641\u06cc \u0648 \u062a\u0648\u0636\u06cc\u062d \u0644\u0627\u06cc\u0647 \u0647\u0627\u06cc \u0634\u0628\u06a9\u0647 \u0627\u0632 \u0628\u0627\u0644\u0627 \u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645:<\/p>\n

\u0644\u0627\u06cc\u0647 7 \u06a9\u0627\u0631\u0628\u0631\u062f (<\/strong>application)<\/strong>\u00a0<\/strong><\/span><\/h3>\n

\u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0645\u0627 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647 \u062a\u0631 \u0648\u0638\u06cc\u0641\u0647 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u06a9\u0627\u0631\u0628\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0644\u0627\u06cc\u0647 application \u062a\u0648\u0633\u0637 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0647\u0627\u06cc\u06cc \u0646\u0638\u06cc\u0631 \u0645\u0631\u0648\u0631\u06af\u0631 \u0647\u0627\u06cc \u0648\u0628 \u0648 \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u0647\u0627 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0628\u0627 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0647\u0627 \u0627\u0632 \u062c\u0645\u0644\u0647 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u062a\u0646 (HTTP<\/span>) \u0648 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u067e\u0631\u0648\u0646\u062f\u0647(FTP<\/span>) \u060c \u067e\u0631\u0648\u062a\u06a9\u0644 \u062f\u0641\u062a\u0631 \u067e\u0633\u062a(POP<\/span>) \u060c \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u0646\u0627\u0645\u0647 \u0633\u0627\u062f\u0647(SMTP<\/span>)\u0648 \u0633\u06cc\u0633\u062a\u0645 \u0646\u0627\u0645 \u062f\u0627\u0645\u0646\u0647 (DNS<\/span>) \u06a9\u0627\u0631 \u0645\u06cc\u06a9\u0646\u062f.<\/p>\n

\u0644\u0627\u06cc\u0647 6 \u0627\u0631\u0627\u0626\u0647 \u06cc\u0627 \u0646\u0645\u0627\u06cc\u0634 (<\/strong>Presentation)<\/strong><\/span><\/h3>\n

\u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0644\u0627\u06cc\u0647 application \u0622\u0645\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06cc\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0646\u062a\u0642\u0644 \u0634\u062f\u0647 \u0627\u0632 \u0644\u0627\u06cc\u0647 application \u0631\u0627 \u06af\u0631\u0641\u062a\u0647 \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0644\u0627\u06cc\u0647 session \u0645\u06cc\u200c\u0641\u0631\u0633\u062a\u062f. \u062f\u0631 \u0647\u0631 \u0635\u0648\u0631\u062a \u0648\u0638\u06cc\u0641\u0647 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc\u060c \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc \u0648 \u06cc\u0627 \u0631\u0645\u0632\u06af\u0634\u0627\u06cc\u06cc \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062a\u0628\u062f\u06cc\u0644 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/p>\n

\u0644\u0627\u06cc\u0647 5 \u0646\u0634\u0633\u062a \u06cc\u0627 \u062c\u0644\u0633\u0647 (<\/strong>session)<\/strong><\/span><\/h3>\n

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\u0644\u0627\u06cc\u0647 4 \u0627\u0646\u062a\u0642\u0627\u0644 (<\/strong>Transport)<\/strong><\/span><\/h3>\n

\u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u0628\u062f\u06cc\u0646 \u0635\u0648\u0631\u062a \u06a9\u0647 \u0633\u0631\u0639\u062a \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627\u00a0 \u0645\u062a\u0646\u0627\u0633\u0628 \u0628\u0627 \u0633\u0631\u0639\u062a \u0627\u062a\u0635\u0627\u0644 \u062f\u0633\u062a\u06af\u0627\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u0646\u062f\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u0632\u0627\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u0631\u0633\u06cc \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u06af\u0631 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0632\u0631\u06af\u062a\u0631 \u0628\u0627\u0634\u0646\u062f \u0622\u0646 \u0647\u0627 \u0631\u0627 \u0642\u0637\u0639\u0647 \u0642\u0637\u0639\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0622\u0646 segment \u0645\u06cc\u200c\u06af\u0648\u06cc\u06cc\u0645 \u062a\u0627 \u062f\u0631 \u0634\u0628\u06a9\u0647 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0645\u0646\u062a\u0642\u0644 \u0634\u0648\u0646\u062f.<\/p>\n

\u00a0\u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u0634\u0628\u06a9\u0647 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0645\u0646\u062a\u0642\u0644 \u0634\u0648\u0646\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0648 \u0628\u0647 \u0635\u0648\u0631\u062a \u0634\u0645\u0627\u0631\u0647 \u0647\u0627\u06cc \u067e\u0633\u062a \u0633\u0631 \u0647\u0645 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u067e\u0634\u062a \u0633\u0631\u0647\u0645 \u062e\u0648\u0627\u0646\u062f\u0647 \u0634\u0648\u0646\u062f. \u0632\u06cc\u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u062f\u0642\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n

\u0644\u0627\u06cc\u0647 3 \u0634\u0628\u06a9\u0647 (<\/strong>network)<\/strong><\/span><\/h3>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0645\u0627 \u06cc\u06a9 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645 \u0622\u062f\u0631\u0633 \u062f\u0647\u06cc \u0644\u0627\u06cc\u0647 \u0633\u0647 \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u0641\u0627\u06a9\u062a\u0631 \u06cc\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u06cc \u0628\u0647 \u0646\u0627\u0645 IP \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0628\u0631\u0648\u06cc \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u060c \u0622\u062f\u0631\u0633 IP \u0645\u0628\u062f\u0627 \u0648 \u0645\u0642\u0635\u062f \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u0641\u0631\u0627\u06cc\u0646\u062f \u0645\u0633\u06cc\u0631\u06cc\u0627\u0628\u06cc \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u06a9\u0647 \u0641\u0631\u0622\u06cc\u0646\u062f \u0645\u0633\u06cc\u0631\u06cc\u0627\u0628\u06cc \u06cc\u0627 Routing \u0631\u0627 \u0628\u0631 \u0639\u0647\u062f\u0647 \u062f\u0627\u0631\u062f \u0627\u0632 \u0622\u062f\u0631\u0633 \u0647\u0627\u06ccIP \u0634\u0628\u06a9\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0647\u062f\u0627\u06cc\u062a \u0628\u0633\u062a\u0647 \u0647\u0627 \u0628\u0647 \u06cc\u06a9 \u067e\u0648\u0631\u062a \u0645\u0642\u0635\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n

\u0644\u0627\u06cc\u0647 2 \u067e\u06cc\u0648\u0646\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 <\/strong>(<\/strong>Datalink)<\/strong><\/span><\/h3>\n

\u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0627\u0632 \u067e\u0648\u0631\u062a \u0628\u0647 \u067e\u0648\u0631\u062a \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0628\u0633\u062a\u0647 \u0647\u0627 \u0628\u0647 \u0642\u0637\u0639\u0627\u062a\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0622\u0646\u0647\u0627 Frame \u0645\u06cc\u200c\u06af\u0648\u06cc\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0645\u06cc\u062a\u0648\u0627\u0646 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648 \u062e\u0637\u0627 \u0647\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0631\u062f. \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u062f\u0627\u0631\u0627\u06cc \u062f\u0648 \u0632\u06cc\u0631 \u0644\u0627\u06cc\u0647 \u0641\u0631\u0639\u06cc \u0628\u0647 \u0646\u0627\u0645 Media Access Control (MAC<\/span>) \u0648 Logical Link Control (LLC<\/span>) \u062f\u0627\u0631\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06a9\u062b\u0631 Switch<\/span> \u0647\u0627 \u0631\u062f \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n

\u0644\u0627\u06cc\u0647 1 \u0641\u06cc\u0632\u06cc\u06a9\u06cc (<\/strong>Physical)<\/strong><\/span><\/h3>\n

\u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u06a9\u0647 \u0648\u0638\u06cc\u0641\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u0631\u0627 \u0628\u0631 \u0639\u0647\u062f\u0647 \u062f\u0627\u0631\u062f \u0634\u0627\u0645\u0644 \u062a\u062c\u0647\u06cc\u0632\u0627\u062a \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0633\u0648\u0626\u06cc\u0686 \u0647\u0627 \u0648 \u06a9\u0627\u0628\u0644 \u0647\u0627 \u0627\u0633\u062a. \u0628\u0647 \u0637\u0648\u0631 \u0645\u062b\u0627\u0644 \u0648\u0642\u062a\u06cc \u062f\u0648 \u06a9\u0627\u0628\u0644 \u0628\u0647 \u0647\u0645 \u0648\u0635\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u062f\u0631 \u0648\u0627\u0642\u0639 \u0644\u0627\u06cc\u0647 \u0647\u0627\u06cc \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u0628\u0647 \u0647\u0645 \u0648\u0635\u0644 \u0634\u062f\u0647 \u0627\u0646\u062f. \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0644\u0627\u06cc\u0647 BIT<\/span> \u0646\u0627\u0645 \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u0635\u0641\u0631 \u0648 \u06cc\u06a9 \u0647\u0633\u062a\u0646\u062f.<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

\u0645\u062f\u0644 OSI \u0686\u06cc\u0633\u062a\u061f \u0645\u062f\u0644 OSI \u0645\u062e\u0641\u0641 \u0639\u0628\u0627\u0631\u062a open system Interconnection \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u062f\u0627\u0631\u0627\u0631\u06cc \u0647\u0641\u062a \u0644\u0627\u06cc\u0647 \u0645\u06cc\u200c\u200e\u0628\u0627\u0634\u062f \u0648 \u0647\u0631 \u0644\u0627\u06cc\u0647 \u0648\u0638\u0627\u06cc\u0641 \u0645\u062e\u062a\u0635 \u0628\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f \u0637\u0648\u0631\u06cc \u06a9\u0647 \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 \u0644\u0627\u06cc\u0647 \u067e\u0627\u06cc\u06cc\u0646\u06cc \u0648 \u0628\u0627\u0644\u0627\u06cc\u06cc \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0631\u0627\u06cc\u0627\u0646\u0647 \u0627\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0628\u0631\u0627\u06cc \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0634\u0628\u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06cc\u0646 \u0645\u062f\u0644 …<\/p>\n","protected":false},"author":1,"featured_media":258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[49,48,39,47],"class_list":["post-247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network","tag-49","tag-48","tag-39","tag-47"],"yoast_head":"\n\u0645\u062f\u0644 \u0645\u0631\u062c\u0639 OSI | \u0645\u062c\u0644\u0647 \u0645\u06cc\u0632\u0628\u0627\u0646 \u0633\u0631\u0648\u0631 | \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 \u062e\u062f\u0645\u0627\u062a \u0645\u06cc\u0632\u0628\u0627\u0646\u06cc \u0633\u0631\u0648\u0631 \u0648 \u0647\u0627\u0633\u062a<\/title>\n<meta name=\"description\" content=\"\u0645\u062f\u0644 OSI \u0645\u062e\u0641\u0641 \u0639\u0628\u0627\u0631\u062a open system Interconnection \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u062f\u0627\u0631\u0627\u0631\u06cc \u0647\u0641\u062a \u0644\u0627\u06cc\u0647 \u0645\u06cc\u200c\u200e\u0628\u0627\u0634\u062f \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0648\u0638\u0627\u06cc\u0641 \u0645\u062e\u062a\u0635 \u0628\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f \u0637\u0648\u0631\u06cc \u06a9\u0647...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mizbanserver.net\/mag\/it\/network\/osi\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0645\u062f\u0644 \u0645\u0631\u062c\u0639 OSI | \u0645\u062c\u0644\u0647 \u0645\u06cc\u0632\u0628\u0627\u0646 \u0633\u0631\u0648\u0631 | \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 \u062e\u062f\u0645\u0627\u062a \u0645\u06cc\u0632\u0628\u0627\u0646\u06cc \u0633\u0631\u0648\u0631 \u0648 \u0647\u0627\u0633\u062a\" \/>\n<meta property=\"og:description\" content=\"\u0645\u062f\u0644 OSI \u0645\u062e\u0641\u0641 \u0639\u0628\u0627\u0631\u062a open system Interconnection \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u062f\u0627\u0631\u0627\u0631\u06cc \u0647\u0641\u062a \u0644\u0627\u06cc\u0647 \u0645\u06cc\u200c\u200e\u0628\u0627\u0634\u062f \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0648\u0638\u0627\u06cc\u0641 \u0645\u062e\u062a\u0635 \u0628\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f \u0637\u0648\u0631\u06cc \u06a9\u0647...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mizbanserver.net\/mag\/it\/network\/osi\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0645\u062c\u0644\u0647 \u0645\u06cc\u0632\u0628\u0627\u0646 \u0633\u0631\u0648\u0631\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-13T18:12:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-04-29T08:50:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mizbanserver.net\/mag\/wp-content\/uploads\/2021\/04\/osi-mizbanmag.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"510\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0646\u0648\u0634\u062a\u0647\u200c\u0634\u062f\u0647 \u0628\u062f\u0633\u062a\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u0639\u0644\u06cc\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0632\u0645\u0627\u0646 \u062a\u0642\u0631\u06cc\u0628\u06cc 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