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\u30d1\u30b1\u30c3\u30c8\u3001\u30d5\u30ec\u30fc\u30e0\u3001\u30bb\u30b0\u30e1\u30f3\u30c8[\u7de8\u96c6]PDU\uff08Protocol Data 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\u30a8\u30f3\u30c9\u30b7\u30b9\u30c6\u30e0\u301c\u30a8\u30f3\u30c9\u30b7\u30b9\u30c6\u30e0\uff082\u70b9\uff09\u9593\u306e\u901a\u4fe1\u306b\u969b\u3057\u3001\u30a8\u30f3\u30c9\u30b7\u30b9\u30c6\u30e0\u9593\u306b\u3066\u8ad6\u7406\u7684\u901a\u4fe1\u8def\u3092\u5229\u7528\u3059\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u7269\u7406\u7684\u306a\u56de\u7dda\u3092\u5360\u6709\u3057\u306a\u3044\u4ea4\u63db\u65b9\u5f0f\u3092\u30d1\u30b1\u30c3\u30c8\u4ea4\u63db\u65b9\u5f0f\u3068\u547c\u3076[4]\u3002Table of Contents\u30d1\u30b1\u30c3\u30c8\u3001\u30d5\u30ec\u30fc\u30e0\u3001\u30bb\u30b0\u30e1\u30f3\u30c8[\u7de8\u96c6]PDU\uff08Protocol Data Unit\uff09[\u7de8\u96c6]\u30d5\u30ec\u30fc\u30e0[\u7de8\u96c6]\u30d1\u30b1\u30c3\u30c8[\u7de8\u96c6]\u30bb\u30b0\u30e1\u30f3\u30c8[\u7de8\u96c6]\u7528\u8a9e\u306e\u533a\u5225[\u7de8\u96c6]\u8ab2\u91d1\u5358\u4f4d\u3068\u3057\u3066\u306e\u30d1\u30b1\u30c3\u30c8[\u7de8\u96c6]\u51fa\u5178\u30fb\u811a\u6ce8[\u7de8\u96c6]\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u30d1\u30b1\u30c3\u30c8\u3001\u30d5\u30ec\u30fc\u30e0\u3001\u30bb\u30b0\u30e1\u30f3\u30c8[\u7de8\u96c6]PDU\uff08Protocol Data Unit\uff09[\u7de8\u96c6]\u30d1\u30b1\u30c3\u30c8\u3001\u30d5\u30ec\u30fc\u30e0\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u9593\u306e\u901a\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u9001\u308b\u5358\u4f4d\u3067\u3042\u308b\u3002\u3053\u306e\u5358\u4f4d\u306e\u3053\u3068\u3092\u3001PDU\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\u30fb\u30c7\u30fc\u30bf\u30fb\u30e6\u30cb\u30c3\u30c8\uff09\u3068\u3044\u3046\u3002\u30d5\u30ec\u30fc\u30e0[\u7de8\u96c6]\u30d5\u30ec\u30fc\u30e0\u306f\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64 (Layer 2) \u306e\u901a\u4fe1\u3067\u4f7f\u308f\u308c\u308bPDU\u306e\u547c\u3073\u540d\u3067\u3042\u308b[5]\u3002\u30d5\u30ec\u30fc\u30e0\u30ea\u30ec\u30fc\u306e\u3088\u3046\u306b\u7b2c3\u5c64\u3092\u542b\u3081\u3066\u4f7f\u308f\u308c\u308b\u3053\u3068\u3082\u3042\u308b[6]\u3002MAC\u30d5\u30ec\u30fc\u30e0\u3001PPP\u30d5\u30ec\u30fc\u30e0\u3001HDLC\u30d5\u30ec\u30fc\u30e0\u7b49\u3082\u4f7f\u308f\u308c\u308b\u3002\u30d1\u30b1\u30c3\u30c8[\u7de8\u96c6]\u30d1\u30b1\u30c3\u30c8\u306f\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64 (Layer 3) \u306e\u901a\u4fe1\u3067\u4f7f\u308f\u308c\u308bPDU\u306e\u547c\u3073\u540d\u3067\u3042\u308b[7]\u3002\u30ec\u30a4\u30e43\u3067\u4f7f\u7528\u3055\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u3068\u3057\u3066\u306f\u3001X.25\u30d1\u30b1\u30c3\u30c8\u304c\u3042\u308b\u3002\u307e\u305fIP\u306e\u898f\u683c(RFC 791)\u3067\u306e\u4f1d\u9001\u5358\u4f4d\u306f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 (datagram) \u3067\u3042\u308b\u304c\u3001\u901a\u5e38IP\u30d1\u30b1\u30c3\u30c8\u3068\u547c\u3070\u308c\u308b\u3002\u30bb\u30b0\u30e1\u30f3\u30c8[\u7de8\u96c6]\u7b2c4\u5c64\u3067\u306e\u901a\u4fe1\u898f\u683c\u306e\u4e00\u3064\u3067\u3042\u308bTCP\u306b\u4f7f\u308f\u308c\u308bPDU\u306e\u547c\u3073\u540d\u3067\u3042\u308b\u3002\u7b2c4\u5c64\u306e\u5225\u306e\u898f\u683c\u3067\u3042\u308bUDP\u3067\u306f\u3001\u4f1d\u9001\u5358\u4f4d\u3068\u3057\u3066\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002\u7528\u8a9e\u306e\u533a\u5225[\u7de8\u96c6]\u4e00\u822c\u7684\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u7528\u8a9e\u306f\u3001\u305d\u308c\u307b\u3069\u53b3\u5bc6\u306b\u533a\u5225\u3055\u308c\u305a\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002\u5358\u306b\u30c7\u30fc\u30bf\u3092\u9001\u308b\u5358\u4f4d\u306e\u610f\u5473\u3068\u3057\u3066\u30d1\u30b1\u30c3\u30c8\u3068\u3044\u3046\u8868\u73fe\u304c\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64 (Layer 2)\u306e\u30c7\u30fc\u30bf\u306f\u30d5\u30ec\u30fc\u30e0\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64 (Layer 3)\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u306f\u30d1\u30b1\u30c3\u30c8\u3068\u547c\u3076\u3053\u3068\u3082\u3042\u308b\uff08MAC\u30d5\u30ec\u30fc\u30e0\u3084TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u3053\u3068\u3092\u30d1\u30b1\u30c3\u30c8\u3068\u547c\u3076\u306a\u3069\uff09[8]\u3002\u8ab2\u91d1\u5358\u4f4d\u3068\u3057\u3066\u306e\u30d1\u30b1\u30c3\u30c8[\u7de8\u96c6]\u65e5\u672c\u3067\u79fb\u52d5\u4f53\u901a\u4fe1\u4e8b\u696d\u3092\u884c\u3046\u4e8b\u696d\u8005\u3067\u306f\u3001\u643a\u5e2f\u96fb\u8a71\u3084PHS\u3067\u306e\u7121\u7dda\u30d1\u30b1\u30c3\u30c8\u901a\u4fe1\uff08\u30c7\u30fc\u30bf\u901a\u4fe1\uff09\u306e\u5229\u7528\u6599\u91d1\u3092\u7b97\u51fa\u3059\u308b\u969b\u306b\u3001\u7a4d\u7b97\u901a\u4fe1\u91cf\u3092\u8868\u3059\u5358\u4f4d\u3068\u3057\u3066\u300c\u30d1\u30b1\u30c3\u30c8\u300d\u3068\u3044\u3046\u8a9e\u3092\u7528\u3044\u308b\u30021\u30d1\u30b1\u30c3\u30c8\u306f128\u30d0\u30a4\u30c8[9][10][11]\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u5168\u89d2\u6587\u5b5764\u5b57\u306b\u76f8\u5f53\u3059\u308b\u3002\u51fa\u5178\u30fb\u811a\u6ce8[\u7de8\u96c6]^ OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3067\u306f\u3001\u7b2c4\u5c64\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3002RFC 1122\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64^ OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3067\u306f\u3001\u7b2c2\u5c64 \u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u3002RFC 1122\u3067\u306f\u3001\u30ea\u30f3\u30af\u5c64^ OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3067\u306f\u3001\u7b2c4\u5c64 \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3002RFC 1122\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64^ \u901a\u4fe1\u8def\u3092\u5360\u6709\u3059\u308b\u65b9\u5f0f\u3068\u3057\u56de\u7dda\u4ea4\u63db\u65b9\u5f0f\u304c\u3042\u308b^ \u300eOSI \u660e\u65e5\u3078\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300f91\u9801^ [1][\u30ea\u30f3\u30af\u5207\u308c] \u30d5\u30ec\u30fc\u30e0\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9 6\u9801\u300110\u9801\u300112\u9801\u304b\u308968\u9801^ \u300eOSI \u660e\u65e5\u3078\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300f 122\u9801^ \u534a\u6ca2\u667a\u8457 \u300c\u30d1\u30b1\u30c3\u30c8\u3068\u30d5\u30ec\u30fc\u30e0\u306f\u540c\u3058\u3082\u306e\uff1f\u300d \u65e5\u7d4cNETWORK 2004\u5e743\u6708\u53f7 p.73^ \u201c\u30d1\u30b1\u30c3\u30c8\u30fb\u30d0\u30a4\u30c8\u63db\u7b97\u201d. NTT\u30c9\u30b3\u30e2. 2013\u5e749\u670811\u65e5\u95b2\u89a7\u3002^ \u201c\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u901a\u4fe1\uff08\u643a\u5e2f\u96fb\u8a71\u304b\u3089\u306e\u63a5\u7d9a\uff09\u201d. \u30bd\u30d5\u30c8\u30d0\u30f3\u30af\u30e2\u30d0\u30a4\u30eb. 2013\u5e749\u670811\u65e5\u95b2\u89a7\u3002^ \u201c\u30d1\u30b1\u30c3\u30c8\u901a\u4fe1\u306e\u3054\u6ce8\u610f\u201d. au. 2013\u5e749\u670811\u65e5\u95b2\u89a7\u3002\u300e\u30d1\u30b1\u30c3\u30c8\u3068\u30d5\u30ec\u30fc\u30e0\u306f\u540c\u3058\u3082\u306e\uff1f\u300f \u65e5\u7d4cNETWORK\u30012004\u5e743\u6708\u53f7\u300eOSI \u660e\u65e5\u3078\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300f\u65e5\u672c\u898f\u683c\u5354\u4f1a\u3001OSI\u7de8\u96c6\u59d4\u54e1\u4f1a\u4e3b\u67fb \u7530\u7551\u5b5d\u4e00\u4ed6\u30011987\u5e74 ISBN 4-542-30511-2\u300e\u30d5\u30ec\u30fc\u30e0\u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u300f\u8ca1\u56e3\u6cd5\u4eba\u65e5\u672c\u30c7\u30fc\u30bf\u901a\u4fe1\u5354\u4f1a\u3001\u65e5\u672c\u96fb\u4fe1\u96fb\u8a71\u682a\u5f0f\u4f1a\u793e\u7de8\u300e\u30d1\u30b1\u30c3\u30c8\u4ea4\u63db\u30b5\u30fc\u30d3\u30b9\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9(PT\u7de8)\u300f\u8ca1\u56e3\u6cd5\u4eba\u65e5\u672c\u30c7\u30fc\u30bf\u901a\u4fe1\u5354\u4f1a\u3001\u65e5\u672c\u96fb\u4fe1\u96fb\u8a71\u682a\u5f0f\u4f1a\u793e\u7de8\u300e\u6a19\u6e96LAN\u6559\u79d1\u66f8\u3000\u4e0a\u300f\u30a2\u30b9\u30ad\u30fc\u51fa\u7248\u5c40\u3001\u4e0a\u539f\u653f\u4e8c\u76e3\u4fee\u30fb\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u901a\u4fe1\u7814\u7a76\u4f1a\u7de8\u30011987\u5e74 ISBN 4-7561-0252-2\u300e\u30de\u30b9\u30bf\u30ea\u30f3\u30b0TCP\/IP \u5165\u9580\u7de8\u300f\u30aa\u30fc\u30e0\u793e\u3001\u7af9\u4e0b\u9686\u53f2\u30fb\u4f0a\u85e4\u9577\u654f\u30fb\u82c5\u7530\u5e78\u96c4\u5171\u8457\u30011994\u5e74 ISBN 4-274-06073-X\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]"},{"@context":"http:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki13\/#breadcrumbitem","name":"Enzyklop\u00e4die"}},{"@type":"ListItem","position":2,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki13\/archives\/112720#breadcrumbitem","name":"\u30d1\u30b1\u30c3\u30c8 – Wikipedia"}}]}]