{"id":130,"date":"2025-02-11T08:00:00","date_gmt":"2025-02-10T23:00:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=130"},"modified":"2025-10-09T10:36:10","modified_gmt":"2025-10-09T01:36:10","slug":"13-udp","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=130","title":{"rendered":"UDP"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">UDP\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">UDP\uff08User Datagram Protocol\uff09<\/span><\/strong>\u306f\u3001TCP\u3068\u540c\u3058\u304f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3067\u52d5\u4f5c\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<br>TCP\u306f\u4fe1\u983c\u6027\u3092\u91cd\u8996\u3057\u307e\u3059\u304c\u3001UDP\u306f\u300c\u901f\u3055\u300d\u3084\u300c\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u300d\u3092\u91cd\u8996\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TCP\u306f\u901a\u4fe1\u3092\u59cb\u3081\u308b\u524d\u306b\u76f8\u624b\u3068\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u78ba\u7acb\u3057\u307e\u3059<strong><span class=\"swl-marker mark_yellow\">\uff08\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u578b\u901a\u4fe1\uff09<\/span><\/strong>\u3002<br>\u4e00\u65b9\u3001UDP\u306f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u78ba\u7acb\u305b\u305a\u306b\u3044\u304d\u306a\u308a\u30c7\u30fc\u30bf\u3092\u9001\u308a\u307e\u3059<strong><span class=\"swl-marker mark_yellow\">\uff08\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u901a\u4fe1\uff09<\/span><\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001TCP\u306e\u3088\u3046\u306a\u518d\u9001\u5236\u5fa1\u3084\u9806\u5e8f\u5236\u5fa1\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br>\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u305f\u308a\u9806\u756a\u304c\u5165\u308c\u66ff\u308f\u308b\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u52d5\u4f5c\u304c\u30b7\u30f3\u30d7\u30eb\u306a\u306e\u3067\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UDP\u30d8\u30c3\u30c0\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">UDP\u306e\u30d8\u30c3\u30c0\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u4ee5\u4e0b\u306e4\u3064\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3060\u3051\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5404\u30d5\u30a3\u30fc\u30eb\u30c9<\/th><th>\u30d3\u30c3\u30c8\u6570<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7<\/td><td>16 bit<\/td><td>\u30c7\u30fc\u30bf\u3092\u9001\u3063\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225<\/td><\/tr><tr><td>\u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7<\/td><td>16 bit<\/td><td>\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225<\/td><\/tr><tr><td>\u30d1\u30b1\u30c3\u30c8\u9577<\/td><td>16 bit<\/td><td>\u30d8\u30c3\u30c0\uff0b\u30c7\u30fc\u30bf\u5168\u4f53\u306e\u9577\u3055<\/td><\/tr><tr><td>\u30c1\u30a7\u30c3\u30af\u30b5\u30e0<\/td><td>16 bit<\/td><td>\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u7528\u306e\u5024<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">UDP\u306e\u7279\u5fb4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">UDP\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u306e\u901a\u4fe1\u65b9\u5f0f<\/li>\n\n\n\n<li>\u4fe1\u983c\u6027\u306f\u4f4e\u3044\uff08\u30c7\u30fc\u30bf\u304c\u6b20\u3051\u3066\u3082\u518d\u9001\u3057\u306a\u3044\uff09<\/li>\n\n\n\n<li>\u8ee2\u9001\u901f\u5ea6\u304c\u901f\u3044<\/li>\n\n\n\n<li>\u30d8\u30c3\u30c0\u304c\u5c0f\u3055\u3044\uff088\u30d0\u30a4\u30c8\uff09\u306e\u3067\u52b9\u7387\u7684<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-big_icon_point wp-block-paragraph\">\u521d\u5fc3\u8005\u5411\u3051\u30a4\u30e1\u30fc\u30b8<br><br>TCP\uff1d\u5b85\u914d\u4fbf\uff08\u5fc5\u305a\u5c4a\u304f\u3088\u3046\u306b\u78ba\u8a8d\u3057\u3066\u5c4a\u3051\u308b\u304c\u6642\u9593\u304c\u304b\u304b\u308b\uff09<br>UDP\uff1d\u65b0\u805e\u914d\u9054\uff08\u30dd\u30b9\u30c8\u306b\u5165\u308c\u308b\u3060\u3051\u3002\u78ba\u8a8d\u306f\u3057\u306a\u3044\u306e\u3067\u65e9\u3044\u304c\u3001\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UDP\u306e\u7528\u9014<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u97f3\u58f0\u30fb\u6620\u50cf\u306a\u3069\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1<br>\u3000\u901a\u8a71\u3084\u52d5\u753b\u914d\u4fe1\u306f\u5c11\u3057\u306e\u9045\u5ef6\u304c\u81f4\u547d\u7684\u306b\u306a\u308b\u305f\u3081\u3001\u4fe1\u983c\u6027\u3088\u308a\u30b9\u30d4\u30fc\u30c9\u91cd\u8996\u3067UDP\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8907\u6570\u5b9b\u5148\u3078\u306e\u540c\u6642\u914d\u4fe1<br>\u3000\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u3084\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u3067\u306f\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u306eUDP\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5c11\u91cf\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a<br>\u3000DNS\u306e\u540d\u524d\u89e3\u6c7a\u306a\u3069\u30011\u56de\u306e\u554f\u3044\u5408\u308f\u305b\u30681\u56de\u306e\u5fdc\u7b54\u3067\u5b8c\u4e86\u3059\u308b\u901a\u4fe1\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">TCP\u3068UDP\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9805\u76ee<\/th><th>TCP<\/th><th>UDP<\/th><\/tr><\/thead><tbody><tr><td>\u901a\u4fe1\u65b9\u5f0f<\/td><td>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u578b<\/td><td>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b<\/td><\/tr><tr><td>\u4fe1\u983c\u6027<\/td><td>\u9ad8\u3044<\/td><td>\u4f4e\u3044<\/td><\/tr><tr><td>\u8ee2\u9001\u901f\u5ea6<\/td><td>\u9045\u3044<\/td><td>\u901f\u3044<\/td><\/tr><tr><td>\u4e0a\u4f4d\u30d7\u30ed\u30c8\u30b3\u30eb<\/td><td>HTTP, FTP, SMTP, POP \u306a\u3069<\/td><td>DNS, NTP, DHCP, SNMP \u306a\u3069<\/td><\/tr><tr><td>\u4e3b\u306a\u7528\u9014<\/td><td>Web\u95b2\u89a7\u3001\u30e1\u30fc\u30eb\u3001\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/td><td>\u97f3\u58f0\u901a\u8a71\u3001\u52d5\u753b\u914d\u4fe1\u3001\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TCP\u306f\u300c\u5fc5\u305a\u6b63\u3057\u304f\u5c4a\u3051\u305f\u3044\u901a\u4fe1\u300d\u3001UDP\u306f\u300c\u901f\u3055\u3092\u512a\u5148\u3057\u305f\u3044\u901a\u4fe1\u300d\u3067\u4f7f\u3044\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-130","post","type-post","status-publish","format-standard","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130"}],"version-history":[{"count":5,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions"}],"predecessor-version":[{"id":597,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions\/597"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}