{"id":26,"date":"2020-04-02T16:10:08","date_gmt":"2020-04-02T13:10:08","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/?p=26"},"modified":"2020-04-02T16:10:08","modified_gmt":"2020-04-02T13:10:08","slug":"%cf%84%ce%bf-%ce%bc%ce%bf%ce%bd%cf%84%ce%ad%ce%bb%ce%bf-%ce%b4%ce%b9%ce%ba%cf%84%cf%8d%cf%89%cf%83%ce%b7%cf%82-tcp-ip","status":"publish","type":"post","link":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/2020\/04\/02\/%cf%84%ce%bf-%ce%bc%ce%bf%ce%bd%cf%84%ce%ad%ce%bb%ce%bf-%ce%b4%ce%b9%ce%ba%cf%84%cf%8d%cf%89%cf%83%ce%b7%cf%82-tcp-ip\/","title":{"rendered":"\u03a4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b4\u03b9\u03ba\u03c4\u03cd\u03c9\u03c3\u03b7\u03c2 TCP\/IP"},"content":{"rendered":"

\u03a4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf ARPANET \u03ae\u03c4\u03b1\u03bd \u03ad\u03bd\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03bc\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c0\u03b1\u03ba\u03ad\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03bf\u03c4\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c5\u03c0\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03bf \u03ac\u03bc\u03c5\u03bd\u03b1\u03c2 \u03c4\u03c9\u03bd \u0397.\u03a0.\u0391. \u03c3\u03c4\u03b1 \u03c4\u03ad\u03bb\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 '60. \u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03ba\u03cd\u03c1\u03b9\u03bf\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ae\u03c4\u03b1\u03bd \u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b1\u03b6\u03af \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03b1\u03bd\u03ae \u03c4\u03c1\u03cc\u03c0\u03bf. \u0388\u03bc\u03c6\u03b1\u03c3\u03b7 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b4\u03cc\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b9 \u03b1\u03bd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b1 \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5 \u03ad\u03b2\u03b3\u03b1\u03b9\u03bd\u03b1\u03bd \u03b5\u03ba\u03c4\u03cc\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2. \u03a4\u03bf 1983 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 TCP\/IP \u03c9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03b5\u03be\u03b5\u03bb\u03af\u03c7\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03bf \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc \u03bc\u03b1\u03c2 Internet.<\/p>\n

\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b5 \u03b4\u03b9\u03b1\u03c3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03cc\u03bd\u03bf \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b1 (4) \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1-\u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03b1, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03b9<\/p>\n

\u25cf \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 (\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03c4\u03b1 \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2, \u03a0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03a3\u03c5\u03bd\u03cc\u03b4\u03bf\u03c5 \u03c4\u03bf\u03c5 OSI),
\n\u25cf \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 (\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03c4\u03bf \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 OSI),
\n\u25cf \u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 (\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03c4\u03bf \u0394\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03c4\u03bf\u03c5 OSI) \u03ba\u03b1\u03b9
\n\u25cf \u0396\u03b5\u03cd\u03be\u03b7\u03c2 \u03ae \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.<\/p>\n

\u0398\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03b9\u03c9\u03b8\u03b5\u03af \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03b1\u03bd\u03b1\u03c6\u03b5\u03c1\u03b8\u03b5\u03af\u03c3\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03c9\u03bd \u03c4\u03bf\u03c5 TCP\/IP \u03bc\u03b5 \u03b1\u03c5\u03c4\u03ac \u03c4\u03bf\u03c5 \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf\u03c5 OSI \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c3\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03b1\u03c0\u03bf\u03bb\u03cd\u03c4\u03c9\u03c2.<\/p>\n

1. \u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03a0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2 (\u0394\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2) \u0394\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 (Network Access \u03ae link layer). \u03a4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf TCP\/ IP \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c4\u03b9 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b5\u03b4\u03ce, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03cc\u03c4\u03b9 \u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae\u03c2 (host) \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03b5\u03af \u03bc\u03b5 \u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c4\u03ad\u03bb\u03bd\u03b5\u03b9 \u03c0\u03b1\u03ba\u03ad\u03c4\u03b1 IP \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc. \u0388\u03c4\u03c3\u03b9 \u03c3\u03c5\u03bd\u03b7\u03b8\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03c5\u03bf \u03ba\u03b1\u03c4\u03ce\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03c4\u03bf\u03c5 \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf\u03c5 OSI, \u03c4\u03bf
\na) \u03a6\u03c5\u03c3\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03bf
\nb) \u0396\u03b5\u03cd\u03be\u03b7\u03c2 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n

2. \u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5. \u0399\u03c3\u03c7\u03cd\u03b5\u03b9 \u03cc,\u03c4\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf 3\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 OSI (\u0394\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5) \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03c4\u03bf\u03c5 TCP\/IP \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7. \u0388\u03c4\u03c3\u03b9 \u03b4\u03c1\u03bf\u03bc\u03bf\u03bb\u03bf\u03b3\u03b5\u03af \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b1\u03ba\u03ad\u03c4\u03b1 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03b1\u03c1\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b1\u03ba\u03ad\u03c4\u03c9\u03bd \u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03b3\u03b3\u03c5\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c6\u03c4\u03ac\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03b5\u03b9\u03c1\u03ac, \u03bc\u03b5 \u03bb\u03ac\u03b8\u03b7, \u03ae \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2. \u0395\u03af\u03bd\u03b1\u03b9 \u03b4\u03bf\u03c5\u03bb\u03b5\u03b9\u03ac \u03c4\u03c9\u03bd \u03b1\u03bd\u03ce\u03c4\u03b5\u03c1\u03c9\u03bd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03c9\u03bd \u03bd\u03b1 \u03bc\u03b5\u03c1\u03b9\u03bc\u03bd\u03ae\u03c3\u03bf\u03c5\u03bd \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1. \u03a4\u03bf \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 (Internet Protocol) IP.<\/p>\n

3. \u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 (Transport layer). \u0399\u03c3\u03c7\u03cd\u03b5\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03cc,\u03c4\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf 4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 OSI (\u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2). T\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 TCP\/IP \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9, \u03bc\u03ad\u03c3\u03c9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03c9\u03c4\u03bf\u03ba\u03cc\u03bb\u03bb\u03c9\u03bd, \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03b5 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 (connection oriented) \u03ae \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 (connectionless). \u039f\u03b9 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03bc\u03b5 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b1\u03c0\u03bf\u03ba\u03b1\u03b8\u03af\u03c3\u03c4\u03b1\u03bd\u03c4\u03b1\u03b9, \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b5\u03c1\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c1\u03bf\u03ae\u03c2, \u03c4\u03bf\u03bd \u03c4\u03b5\u03bc\u03b1\u03c7\u03b9\u03c3\u03bc\u03cc, \u03b1\u03c1\u03af\u03b8\u03bc\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b7\u03bd\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c3\u03b5\u03b9\u03c1\u03ac \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\/\u03b4\u03b9\u03cc\u03c1\u03b8\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c6\u03b1\u03bb\u03bc\u03ac\u03c4\u03c9\u03bd. \u03a5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03bc\u03b5 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 (Transmission Control Protocol) TCP. \u03a3\u03c4\u03b9\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03ae \u03b1\u03c3\u03c5\u03bd\u03b4\u03b5\u03c3\u03bc\u03b9\u03ba\u03ad\u03c2, \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b7 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03bf\u03cd\u03c4\u03b5 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1. \u0395\u03af\u03bd\u03b1\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03b1\u03c0\u03bb\u03bf\u03cd\u03c3\u03c4\u03b5\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03b5\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2. \u03a4\u03ad\u03c4\u03bf\u03b9\u03b5\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03b1\u03c5\u03c4\u03bf\u03b4\u03cd\u03bd\u03b1\u03bc\u03c9\u03bd \u03c0\u03b1\u03ba\u03ad\u03c4\u03c9\u03bd \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 (User Datagram Protocol) UDP.<\/p>\n

4. \u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 (Application layer). \u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03b1 \u03c4\u03c9\u03bd \u03b3\u03bd\u03c9\u03c3\u03c4\u03ce\u03bd
\n\u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03c4\u03bf\u03c5 \u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c4\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd (TELNET), \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd (FTP), \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03c4\u03b1\u03c7\u03c5\u03b4\u03c1\u03bf\u03bc\u03b5\u03af\u03bf (SMTP\/ POP3\/ IMAP), \u03c4\u03b1 \u03bd\u03b5\u03ce\u03c4\u03b5\u03c1\u03b1 DNS \u03b3\u03b9\u03b1
\n\u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b7\u03c3\u03b7 \u03bf\u03bd\u03bf\u03bc\u03ac\u03c4\u03c9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf, HTTP, \u03c4\u03bf
\n\u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b9\u03c3\u03c4\u03bf\u03c3\u03b5\u03bb\u03af\u03b4\u03c9\u03bd \u03c4\u03bf\u03c5 World Wide Web \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac \u03ac\u03bb\u03bb\u03b1.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u03a4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf ARPANET \u03ae\u03c4\u03b1\u03bd \u03ad\u03bd\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03bc\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c0\u03b1\u03ba\u03ad\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03bf\u03c4\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c5\u03c0\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03bf \u03ac\u03bc\u03c5\u03bd\u03b1\u03c2 \u03c4\u03c9\u03bd \u0397.\u03a0.\u0391. \u03c3\u03c4\u03b1 \u03c4\u03ad\u03bb\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 ’60. \u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03ba\u03cd\u03c1\u03b9\u03bf\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ae\u03c4\u03b1\u03bd \u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b1\u03b6\u03af \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03b1\u03bd\u03ae \u03c4\u03c1\u03cc\u03c0\u03bf. \u0388\u03bc\u03c6\u03b1\u03c3\u03b7 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b4\u03cc\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b9 \u03b1\u03bd … <\/p>\n

Continue reading<\/a><\/p>\n","protected":false},"author":25774,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26","post","type-post","status-publish","format-standard","hentry","category-1","item-wrap"],"_links":{"self":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/users\/25774"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":0,"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-diktya-ypologistvn-eneegyl-eyboias\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}