{"id":1953,"date":"2026-03-21T17:55:34","date_gmt":"2026-03-21T17:55:34","guid":{"rendered":"https:\/\/www.tech-posts.com\/ja\/legacy-system-modernization-data-flow-diagrams\/"},"modified":"2026-03-21T17:55:34","modified_gmt":"2026-03-21T17:55:34","slug":"legacy-system-modernization-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/ja\/legacy-system-modernization-data-flow-diagrams\/","title":{"rendered":"DFD\u30ac\u30a4\u30c9\uff1a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3092\u6d3b\u7528\u3057\u305f\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u8fd1\u4ee3\u5316\u6226\u7565"},"content":{"rendered":"<p>\u7d44\u7e54\u306f\u3057\u3070\u3057\u3070\u3001\u67d4\u8edf\u6027\u3084\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u963b\u5bb3\u3059\u308b\u8001\u673d\u5316\u3057\u305f\u30a4\u30f3\u30d5\u30e9\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u72b6\u6cc1\u306b\u9665\u308b\u3002\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u304c\u9032\u5316\u3059\u308b\u4e2d\u3067\u3001\u57fa\u76e4\u6280\u8853\u3082\u305d\u308c\u306b\u9069\u5fdc\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u8fd1\u4ee3\u5316\u306f\u3001\u9673\u8150\u5316\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u7f6e\u304d\u63db\u3048\u308b\u4e00\u65b9\u3067\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3068\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u3068\u3044\u3046\u91cd\u8981\u306a\u53d6\u308a\u7d44\u307f\u3067\u3042\u308b\u3002\u3053\u306e\u8907\u96d1\u306a\u79fb\u884c\u3092\u5186\u6ed1\u306b\u9032\u3081\u308b\u305f\u3081\u306e\u6700\u3082\u52b9\u679c\u7684\u306a\u30c4\u30fc\u30eb\u306e\u4e00\u3064\u304c\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\uff08DFD\uff09\u3067\u3042\u308b\u3002\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001DFD\u3092\u6d3b\u7528\u3057\u3066\u8fd1\u4ee3\u5316\u6226\u7565\u3092\u69cb\u9020\u5316\u3057\u3001\u5206\u6790\u3057\u3001\u6b63\u78ba\u304b\u3064\u660e\u78ba\u306b\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3059\u308b\u3002<\/p>\n<p>\u30b7\u30b9\u30c6\u30e0\u306e\u8fd1\u4ee3\u5316\u3068\u306f\u3001\u5358\u306b\u30b3\u30fc\u30c9\u3092\u4ea4\u63db\u3059\u308b\u3060\u3051\u3067\u306f\u306a\u3044\u3002\u30c7\u30fc\u30bf\u304c\u74b0\u5883\u5185\u3067\u3069\u306e\u3088\u3046\u306b\u79fb\u52d5\u3057\u3001\u5909\u63db\u3055\u308c\u3001\u4fdd\u5b58\u3055\u308c\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u52d5\u304d\u3092\u53ef\u8996\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30c1\u30fc\u30e0\u306f\u672c\u756a\u74b0\u5883\u306b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u975e\u52b9\u7387\u6027\u3084\u96a0\u308c\u305f\u4f9d\u5b58\u95a2\u4fc2\u3001\u30ea\u30b9\u30af\u3092\u7279\u5b9a\u3067\u304d\u308b\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u6df7\u6c8c\u3068\u3057\u305f\u518d\u5b9f\u88c5\u3067\u306f\u306a\u304f\u3001\u8a08\u753b\u7684\u304b\u3064\u4f53\u7cfb\u7684\u306a\u79fb\u884c\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cartoon infographic illustrating legacy system modernization strategies using Data Flow Diagrams: shows DFD core components (external entities, processes, data stores, data flows), pre-migration analysis steps, four modernization patterns comparison (rehosting, refactoring, strangler fig, replacement), Strangler Fig implementation workflow, common pitfalls with mitigation tips, and six best practices for successful system transformation\" decoding=\"async\" src=\"https:\/\/www.tech-posts.com\/wp-content\/uploads\/2026\/03\/legacy-system-modernization-dfd-infographic-cartoon.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30ec\u30ac\u30b7\u30fc\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306e\u7406\u89e3 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<strong>\u30d7\u30ed\u30bb\u30b9<\/strong> \u3068 <strong> \u79fb\u52d5<\/strong> 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\ud83e\uddd0<\/h2>\n<p>\u3042\u3089\u3086\u308b\u8fd1\u4ee3\u5316\u4f5c\u696d\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u3001\u73fe\u5728\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3059\u308b\u5305\u62ec\u7684\u306a\u76e3\u67fb\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u9006\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3057\u3066\u6b63\u78ba\u306a\u57fa\u6e96\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d71\uff1a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306e\u4f5c\u6210<\/h3>\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u5358\u4e00\u306e\u9ad8\u30ec\u30d9\u30eb\u306a\u30d7\u30ed\u30bb\u30b9\u3068\u3057\u3066\u8868\u73fe\u3059\u308b\u3002\u30ec\u30ac\u30b7\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5883\u754c\u3068\u5916\u90e8\u4e16\u754c\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u6839\u672c\u7684\u306a\u554f\u3044\u306b\u7b54\u3048\u308b\u3002<\/p>\n<ul>\n<li>\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u3084\u308a\u53d6\u308a\u3057\u3066\u3044\u308b\u306e\u306f\u8ab0\u304b\uff1f<\/li>\n<li>\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u5165\u529b\u3055\u308c\u308b\u304b\uff1f<\/li>\n<li>\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u304c\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u51fa\u529b\u3055\u308c\u308b\u304b\uff1f<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u5883\u754c\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u8fd1\u4ee3\u5316\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u4fdd\u6301\u307e\u305f\u306f\u7f6e\u304d\u63db\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u5916\u90e8\u4f9d\u5b58\u95a2\u4fc2\u3092\u7279\u5b9a\u3067\u304d\u308b\u3002\u305f\u3068\u3048\u3070\u3001\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u304c\u7279\u5b9a\u306e\u653f\u5e9cAPI\u3068\u9023\u643a\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u65b0\u3057\u3044\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u304b\u3001\u30e9\u30c3\u30d1\u30fc\u3092\u4ecb\u3057\u3066\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d72\uff1a\u30ec\u30d9\u30eb0\u304a\u3088\u3073\u30ec\u30d9\u30eb1\u3078\u306e\u5206\u89e3<\/h3>\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u78ba\u7acb\u3055\u308c\u308b\u3068\u3001\u5358\u4e00\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u89e3\u3055\u308c\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e3b\u8981\u306a\u6a5f\u80fd\u9818\u57df\u3092\u793a\u3059\u30ec\u30d9\u30eb0\u306eDFD\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002\u3055\u3089\u306b\u5206\u89e3\u3092\u9032\u3081\u308b\u3053\u3068\u3067\u3001\u30ec\u30d9\u30eb1\u304a\u3088\u3073\u30ec\u30d9\u30eb2\u306e\u56f3\u304c\u5f97\u3089\u308c\u308b\u3002<\/p>\n<p>\u3053\u306e\u8a73\u7d30\u306a\u8996\u70b9\u306b\u3088\u308a\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u7279\u5b9a\u3067\u304d\u308b\u3002<\/p>\n<ul>\n<li><strong>\u91cd\u8907\u3059\u308b\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong>\u540c\u3058\u8a08\u7b97\u3092\u7e70\u308a\u8fd4\u3057\u884c\u3046\u8907\u6570\u306e\u30b9\u30c6\u30c3\u30d7\u3002<\/li>\n<li><strong>\u5b64\u7acb\u3057\u305f\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\uff1a<\/strong>\u66f8\u304d\u8fbc\u307e\u308c\u308b\u304c\u4e00\u5ea6\u3082\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u30c6\u30fc\u30d6\u30eb\u3084\u30d5\u30a1\u30a4\u30eb\u3002<\/li>\n<li><strong>\u8907\u96d1\u306a\u30eb\u30fc\u30d7\uff1a<\/strong>\u975e\u52b9\u7387\u306a\u8ad6\u7406\u3092\u793a\u5506\u3059\u308b\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u65e9\u671f\u306b\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u8981\u306a\u8907\u96d1\u6027\u304c\u65b0\u3057\u3044\u74b0\u5883\u306b\u79fb\u884c\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<h2>\u8fd1\u4ee3\u5316\u30d1\u30bf\u30fc\u30f3\u3068DFD\u306e\u6574\u5408\u6027 \ud83d\udee0\ufe0f<\/h2>\n<p>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u3092\u8fd1\u4ee3\u5316\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3044\u304f\u3064\u304b\u3042\u308b\u3002\u5404\u30d1\u30bf\u30fc\u30f3\u306fDFD\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3068\u7570\u306a\u308b\u5f62\u3067\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u3002\u9069\u5207\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u629e\u3059\u308b\u306b\u306f\u3001\u30d5\u30ed\u30fc\u306e\u8907\u96d1\u3055\u3068\u671b\u307e\u3057\u3044\u7d50\u679c\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h3>\u8fd1\u4ee3\u5316\u6226\u7565\u306e\u6bd4\u8f03<\/h3>\n<table border=\"1\" cellpadding=\"10\" cellspacing=\"0\">\n<tr>\n<th>\u6226\u7565<\/th>\n<th>DFD\u3078\u306e\u5f71\u97ff<\/th>\n<th>\u6700\u9069\u306a\u4f7f\u7528\u30b1\u30fc\u30b9<\/th>\n<th>\u30ea\u30b9\u30af\u30ec\u30d9\u30eb<\/th>\n<\/tr>\n<tr>\n<td><strong>\u30ea\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\uff08\u30ea\u30d5\u30c8\uff06\u30b7\u30d5\u30c8\uff09<\/strong><\/td>\n<td>\u30d5\u30ed\u30fc\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u306e\u6700\u5c0f\u9650\u306e\u5909\u66f4\u3002<\/td>\n<td>\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u3078\u306e\u8fc5\u901f\u306a\u79fb\u884c\u3002<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/strong><\/td>\n<td>\u5185\u90e8\u30d7\u30ed\u30bb\u30b9\u30ce\u30fc\u30c9\u306e\u6700\u9069\u5316\u3002<\/td>\n<td>\u8ad6\u7406\u3092\u5909\u66f4\u305b\u305a\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30b9\u30c8\u30ec\u30f3\u30b8\u30e3\u30fc\u30d5\u30a3\u30b0<\/strong><\/td>\n<td>\u7279\u5b9a\u306e\u30d5\u30ed\u30fc\u306e\u6bb5\u968e\u7684\u7f6e\u304d\u63db\u3048\u3002<\/td>\n<td>\u5373\u6642\u7f6e\u304d\u63db\u3048\u304c\u4e0d\u53ef\u80fd\u306a\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3002<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7f6e\u63db<\/strong><\/td>\n<td>\u30d5\u30ed\u30fc\u306e\u5b8c\u5168\u306a\u518d\u8a2d\u8a08\u3002<\/td>\n<td>\u6642\u4ee3\u9045\u308c\u306e\u8ad6\u7406\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3055\u306a\u3044\u3002<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<\/table>\n<h3>\u30b9\u30c8\u30ec\u30f3\u30b8\u30e3\u30fc\u30d5\u30a3\u30b0\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h3>\n<p>\u30b9\u30c8\u30ec\u30f3\u30b8\u30e3\u30fc\u30d5\u30a3\u30b0\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u6bb5\u968e\u7684\u306b\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3092\u542b\u3080\u3002\u3053\u308c\u306fDFD\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u7279\u306b\u52b9\u679c\u7684\u3067\u3042\u308b\u3002\u306a\u305c\u306a\u3089\u3001\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u5206\u96e2\u3057\u3066\u79fb\u884c\u3067\u304d\u308b\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<ol>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\u30ce\u30fc\u30c9\u3092\u7279\u5b9a\u3059\u308b\uff1a<\/strong>\u30ec\u30d9\u30eb1\u306eDFD\u5185\u306e\u7279\u5b9a\u306e\u6a5f\u80fd\u3092\u9078\u629e\u3059\u308b\u3002<\/li>\n<li><strong>\u65b0\u3057\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b\uff1a<\/strong>\u3053\u306e\u7279\u5b9a\u306e\u30d5\u30ed\u30fc\u3092\u51e6\u7406\u3059\u308b\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u3002<\/li>\n<li><strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\uff1a<\/strong>\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u53d7\u4fe1\u30c7\u30fc\u30bf\u3092\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3002<\/li>\n<li><strong>\u65e7\u30ce\u30fc\u30c9\u3092\u5ec3\u6b62\u3059\u308b\uff1a<\/strong>\u691c\u8a3c\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30ec\u30ac\u30b7\u30fc\u30d7\u30ed\u30bb\u30b9\u3092\u524a\u9664\u3059\u308b\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u3001\u5909\u66f4\u306e\u7bc4\u56f2\u3092\u5e38\u306b\u9650\u5b9a\u3059\u308b\u3053\u3068\u3067\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3002\u5404\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u691c\u8a3c\u3057\u305f\u4e0a\u3067\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u9032\u3080\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002<\/p>\n<h2>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u65b0\u3057\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b \ud83d\uddfa\ufe0f<\/h2>\n<p>\u8fd1\u4ee3\u5316\u306b\u304a\u3051\u308b\u6700\u5927\u306e\u8ab2\u984c\u306e\u4e00\u3064\u306f\u3001\u65b0\u3057\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u79fb\u884c\u3059\u308b\u969b\u306b\u30c7\u30fc\u30bf\u304c\u610f\u5473\u3068\u95a2\u4fc2\u6027\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3057\u3070\u3057\u3070NoSQL\u306b\u79fb\u884c\u3057\u3001\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u5909\u63db\u51e6\u7406<\/h3>\n<p>\u30ec\u30ac\u30b7\u30fc\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\uff08DFD\uff09\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u304c\u5358\u4e00\u306e\u5927\u898f\u6a21\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u8868\u3059\u3053\u3068\u304c\u3042\u308b\u3002\u73fe\u4ee3\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001\u305d\u306e\u30b9\u30c8\u30a2\u304c\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u5206\u5272\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002DFD\u306f\u3053\u306e\u5909\u5316\u3092\u53cd\u6620\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316 vs. \u975e\u6b63\u898f\u5316\uff1a<\/strong>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30b9\u30da\u30fc\u30b9\u3092\u7bc0\u7d04\u3059\u308b\u305f\u3081\u306b\u30c7\u30fc\u30bf\u3092\u6b63\u898f\u5316\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u73fe\u4ee3\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u8aad\u307f\u53d6\u308a\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u975e\u6b63\u898f\u5316\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3002DFD\u306f\u3001\u7d50\u5408\u304c\u767a\u751f\u3059\u308b\u5834\u6240\u3092\u53ef\u8996\u5316\u3057\u3001\u56de\u907f\u53ef\u80fd\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3002<\/li>\n<li><strong>\u6574\u5408\u6027\u30e2\u30c7\u30eb\uff1a<\/strong>\u5f37\u6574\u5408\u6027\u3092\u8981\u3059\u308b\u30d5\u30ed\u30fc\u3068\u3001\u6700\u7d42\u6574\u5408\u6027\u3092\u8a31\u5bb9\u3067\u304d\u308b\u30d5\u30ed\u30fc\u3092\u8b58\u5225\u3059\u308b\u3002<\/li>\n<li><strong>API\u5951\u7d04\u8a2d\u8a08\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u51fa\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306f\u3001API\u30ea\u30af\u30a8\u30b9\u30c8\u307e\u305f\u306f\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u306a\u308b\u3002DFD\u306f\u30da\u30a4\u30ed\u30fc\u30c9\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\u30c7\u30fc\u30bf\u30e9\u30a4\u30f3\u30a8\u30fc\u30b8\u8ffd\u8de1<\/h3>\n<p>\u79fb\u884c\u4e2d\u306b\u3001\u30c7\u30fc\u30bf\u304c\u3069\u3053\u304b\u3089\u6765\u3066\u3044\u308b\u304b\u3001\u3069\u3053\u306b\u5230\u9054\u3059\u308b\u304b\u3092\u8ffd\u8de1\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002\u5305\u62ec\u7684\u306aDFD\u306f\u30e9\u30a4\u30f3\u30a8\u30fc\u30b8\u30de\u30c3\u30d7\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002\u65b0\u3057\u3044\u30d5\u30ed\u30fc\u304c\u5c0e\u5165\u3055\u308c\u305f\u969b\u306b\u306f\u3001\u305d\u306e\u30c7\u30fc\u30bf\u306e\u5143\u3078\u9061\u3063\u3066\u8ffd\u8de1\u3057\u3001\u30c7\u30fc\u30bf\u306e\u640d\u5931\u3084\u7834\u640d\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u30ec\u30ac\u30b7\u30fc\u30ec\u30dd\u30fc\u30c8\u751f\u6210\u30d7\u30ed\u30bb\u30b9\u304c5\u3064\u306e\u7570\u306a\u308b\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3001\u8fd1\u4ee3\u5316\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u65b0\u3057\u3044API\u547c\u3073\u51fa\u3057\u304c\u540c\u3058\u60c5\u5831\u3092\u96c6\u7d04\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002DFD\u306f\u51fa\u529b\u306e\u8ad6\u7406\u7684\u540c\u7b49\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/p>\n<h2>\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3068\u30ea\u30b9\u30af\u8efd\u6e1b \u26a0\ufe0f<\/h2>\n<p>\u3057\u3063\u304b\u308a\u3068\u3057\u305fDFD\u304c\u3042\u3063\u3066\u3082\u3001\u8fd1\u4ee3\u5316\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u5927\u304d\u306a\u969c\u5bb3\u306b\u76f4\u9762\u3059\u308b\u3002\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3078\u306e\u8a8d\u8b58\u304c\u3001\u30c1\u30fc\u30e0\u304c\u305d\u308c\u3092\u6210\u529f\u88cf\u306b\u4e57\u308a\u8d8a\u3048\u308b\u306e\u3092\u52a9\u3051\u308b\u3002<\/p>\n<h3>\u843d\u3068\u3057\u7a741\uff1a\u96a0\u308c\u305f\u4f9d\u5b58\u95a2\u4fc2\u3092\u7121\u8996\u3059\u308b<\/h3>\n<p>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306f\u3057\u3070\u3057\u3070\u6587\u66f8\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u76f8\u4e92\u4f5c\u7528\u3092\u6301\u3064\u3002\u30d7\u30ed\u30bb\u30b9\u304c\u4e3b\u306aDFD\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3059\u308b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u3092\u767a\u52d5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5bfe\u7b56\uff1a<\/strong> 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\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u4f5c\u6210\u3055\u308c\u305fDFD\u306f\u3001\u91cd\u8981\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u306a\u308b\u3002\u5c06\u6765\u306e\u30c1\u30fc\u30e0\u306f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u8aad\u307e\u305a\u306b\u30b7\u30b9\u30c6\u30e0\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u305d\u308c\u3089\u3092\u5229\u7528\u3067\u304d\u308b\u3002\u3053\u308c\u306f\u3001\u5c06\u6765\u306e\u505c\u6ede\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u77e5\u8b58\u79fb\u8ee2\u306e\u5f62\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\uff1a<\/strong> DFD\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30b3\u30fc\u30c9\u30ea\u30ea\u30fc\u30b9\u3068\u540c\u671f\u3055\u305b\u308b\u3002<\/li>\n<li><strong>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\uff1a<\/strong> 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DFD\u3092\u52d5\u7684\u306a\u6587\u66f8\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u3067\u3001\u7d44\u7e54\u306f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u904b\u7528\u4e0a\u306e\u73fe\u5b9f\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u9032\u5316\u306b\u5bfe\u3059\u308b\u53b3\u683c\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u5c06\u6765\u306e\u30ec\u30ac\u30b7\u30fc\u84c4\u7a4d\u306e\u53ef\u80fd\u6027\u304c\u4f4e\u6e1b\u3055\u308c\u308b\u3002<\/p>\n<h2>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u8981\u7d04 \ud83c\udfc6<\/h2>\n<p>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3092\u6d3b\u7528\u3057\u305f\u6210\u529f\u88cf\u306e\u30e2\u30c0\u30ca\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3046\u3002<\/p>\n<ul>\n<li><strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304b\u3089\u59cb\u3081\u308b\uff1a<\/strong> \u8a73\u7d30\u306b\u7a81\u5165\u3059\u308b\u524d\u306b\u3001\u5883\u754c\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n<li><strong>\u8ad6\u7406\u306b\u6ce8\u76ee\u3059\u308b\uff1a<\/strong> \u6280\u8853\u7684\u306a\u5b9f\u88c5\u306e\u8a73\u7d30\u3088\u308a\u3082\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u512a\u5148\u3059\u308b\u3002<\/li>\n<li><strong>\u6bb5\u968e\u7684\u306b\u7e70\u308a\u8fd4\u3059\uff1a<\/strong> 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