{"id":37146,"date":"2025-09-05T10:54:00","date_gmt":"2025-09-05T14:54:00","guid":{"rendered":"https:\/\/www.lightspeedsystems.com\/?p=37146"},"modified":"2025-09-08T16:46:40","modified_gmt":"2025-09-08T20:46:40","slug":"from-uncertainty-to-understanding-how-lightspeed-signal-detects-network-issues","status":"publish","type":"post","link":"https:\/\/www.lightspeedsystems.com\/ja\/blog\/from-uncertainty-to-understanding-how-lightspeed-signal-detects-network-issues\/","title":{"rendered":"\u4e0d\u78ba\u5b9f\u6027\u304b\u3089\u7406\u89e3\u3078\uff1aLightspeed Signal\u304c\u5b66\u6821\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u554f\u984c\u3092\u691c\u51fa\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u5b66\u6821\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u9045\u3044\u3068\u3001\u5b66\u7fd2\u304c\u6ede\u3063\u3066\u30a4\u30e9\u30a4\u30e9\u3055\u305b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u5b66\u6821\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u3084\u901f\u5ea6\u4f4e\u4e0b\u306e\u82e6\u60c5\u304c\u5bc4\u305b\u3089\u308c\u308b\u3068\u3001IT\u30c1\u30fc\u30e0\u306f\u3057\u3070\u3057\u3070\u6839\u672c\u539f\u56e0\u306e\u7279\u5b9a\u306b\u82e6\u52b4\u3057\u307e\u3059\u3002\u539f\u56e0\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u81ea\u4f53\u306a\u306e\u304b\u3001\u7279\u5b9a\u306e\u30c7\u30d0\u30a4\u30b9\u306a\u306e\u304b\u3001\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306a\u306e\u304b\u3001\u3042\u308b\u3044\u306f\u5916\u90e8\u304b\u3089\u306e\u5e72\u6e09\u306a\u306e\u304b\u3001\u3068\u3044\u3063\u305f\u554f\u984c\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u660e\u78ba\u306a\u53ef\u8996\u6027\u304c\u306a\u3051\u308c\u3070\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u306e\u89e3\u6c7a\u306f\u5e72\u3057\u8349\u306e\u5c71\u304b\u3089\u91dd\u3092\u63a2\u3059\u3088\u3046\u306a\u3082\u306e\u306b\u306a\u308a\u304b\u306d\u307e\u305b\u3093\u3002\u305d\u3053\u3067Lightspeed Signal\u304c\u767b\u5834\u3057\u3001\u5b66\u533a\u306eIT\u30ea\u30fc\u30c0\u30fc\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901f\u5ea6\u306b\u95a2\u3059\u308b\u82e6\u60c5\u3092\u52b9\u7387\u7684\u304b\u3064\u52b9\u679c\u7684\u306b\u8a3a\u65ad\u30fb\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u9045\u3044\u300d\u3068\u805e\u3044\u3066\u3082\u539f\u56e0\u304c\u308f\u304b\u3089\u306a\u3044 | Lightspeed Signal\u304c\u5fc5\u8981\u306a\u30b5\u30a4\u30f3\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/z0KaaSRvvco?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-i-hear-that-the-internet-is-slow-but-i-don-t-know-why\">\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u9045\u3044\u3068\u805e\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u7406\u7531\u304c\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u300d<\/h2>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u901f\u5ea6\u4f4e\u4e0b\u306b\u95a2\u3059\u308b\u82e6\u60c5\u306f\u3001\u5b66\u6821\u3084\u516c\u5171\u6a5f\u95a2\u306eIT\u90e8\u9580\u304c\u76f4\u9762\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u304b\u3064\u5384\u4ecb\u306a\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3001\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\uff08AP\uff09\u306e\u904e\u8ca0\u8377\u3084\u6545\u969c\u3001\u30c7\u30d0\u30a4\u30b9\u56fa\u6709\u306e\u554f\u984c\u3001\u74b0\u5883\u304b\u3089\u306e\u5e72\u6e09\u3001\u3055\u3089\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u8981\u56e0\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8a73\u7d30\u306a\u30c7\u30fc\u30bf\u304c\u306a\u3051\u308c\u3070\u3001IT\u30c1\u30fc\u30e0\u306f\u8aa4\u3063\u305f\u60c5\u5831\u6e90\u306e\u8ffd\u8de1\u3084\u8aa4\u3063\u305f\u89e3\u6c7a\u7b56\u306e\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u8cb4\u91cd\u306a\u6642\u9593\u3092\u8cbb\u3084\u3057\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306e\u9577\u671f\u5316\u3084\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u306b\u81ea\u529b\u3067\u5bfe\u51e6\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u306e\u4e0d\u6e80\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-lightspeed-signal-detects-network-issues\">Lightspeed Signal\u2122\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u3092\u691c\u51fa\u3059\u308b\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.lightspeedsystems.com\/ja\/products\/lightspeed-signal\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5149\u901f\u4fe1\u53f7<\/a> \u30ce\u30a4\u30ba\u3092\u6392\u9664\u3057\u3001\u30c7\u30d0\u30a4\u30b9\u30ec\u30d9\u30eb\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u95a2\u3059\u308b\u660e\u78ba\u3067\u5b9f\u7528\u7684\u306a\u30a4\u30f3\u30b5\u30a4\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002Signal\u306f\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3055\u308c\u305f\u901f\u5ea6\u30c6\u30b9\u30c8\u3068\u30aa\u30f3\u30c7\u30de\u30f3\u30c9\u306e\u901f\u5ea6\u30c6\u30b9\u30c8\u3092\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001IT\u30c1\u30fc\u30e0\u304c\u63a5\u7d9a\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u8fc5\u901f\u306b\u7279\u5b9a\u3057\u3001\u89e3\u6c7a\u3067\u304d\u308b\u3088\u3046\u652f\u63f4\u3057\u307e\u3059\u3002\u305d\u306e\u4ed5\u7d44\u307f\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30a4\u30b9\u30ec\u30d9\u30eb\u306e\u901f\u5ea6\u30c6\u30b9\u30c8: <\/strong>Signal \u306f\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u76f4\u63a5\u901f\u5ea6\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u304c\u4f53\u9a13\u3059\u308b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u901f\u5ea6\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u901f\u5ea6\u306b\u95a2\u3059\u308b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0 \u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u6587\u8108\u7684\u76f8\u95a2:<\/strong> \u30c6\u30b9\u30c8\u7d50\u679c\u306f\u5efa\u7269\u3001\u90e8\u5c4b\u3001\u30a2\u30af\u30bb\u30b9 \u30dd\u30a4\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3068\u76f8\u95a2\u95a2\u4fc2\u306b\u3042\u308b\u305f\u3081\u3001IT \u90e8\u9580\u306f\u901f\u5ea6\u4f4e\u4e0b\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u6240\u3092\u6b63\u78ba\u306b\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u969c\u5bb3\u306e\u3042\u308b\u30a2\u30af\u30bb\u30b9 \u30dd\u30a4\u30f3\u30c8\u306e\u7279\u5b9a:<\/strong> Signal \u306f\u3001\u540c\u3058 AP \u306b\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u5168\u4f53\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u6545\u969c\u307e\u305f\u306f\u904e\u8ca0\u8377\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u74b0\u5883\u5e72\u6e09\u306e\u691c\u51fa:<\/strong> Signal \u306e\u8a73\u7d30\u306a\u30c7\u30fc\u30bf\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u30a8\u30ea\u30a2\u3067\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308b\u4f4e\u5e2f\u57df\u5e45\u306a\u3069\u306e\u7570\u5e38\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3001\u5916\u90e8\u306e\u5e72\u6e09\u6e90\u306e\u8abf\u67fb\u304c\u4fc3\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304f\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3: <\/strong>\u5177\u4f53\u7684\u306a\u30c7\u30d0\u30a4\u30b9 \u30ec\u30d9\u30eb\u306e\u8a3c\u62e0\u304c\u3042\u308c\u3070\u3001IT \u30c1\u30fc\u30e0\u306f\u81ea\u4fe1\u3092\u6301\u3063\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d9\u30f3\u30c0\u30fc\u3084\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u554f\u984c\u3092\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3001\u89e3\u6c7a\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-signal-detecting-network-issues-in-the-real-world\">\u73fe\u5b9f\u4e16\u754c\u306b\u304a\u3051\u308b\u4fe1\u53f7\u691c\u51fa\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c<\/h2>\n\n\n\n<p>Lightspeed Signal\u3092\u5c0e\u5165\u3057\u3066\u3044\u305f\u3042\u308b\u5b66\u6821\u3067\u306f\u3001\u30af\u30e9\u30b9\u5168\u4f53\u3067\u5e2f\u57df\u5e45\u4e0d\u8db3\u306e\u8b66\u544a\u304c\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u3065\u304d\u307e\u3057\u305f\u3002\u8abf\u67fb\u306e\u7d50\u679c\u3001\u539f\u56e0\u306f\u8077\u54e1\u5ba4\u306b\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u305f\u96fb\u5b50\u30ec\u30f3\u30b8\u3067\u3001\u3053\u308c\u304c\u8fd1\u304f\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u7121\u7dda\u4fe1\u53f7\u306b\u5e72\u6e09\u3057\u3066\u3044\u305f\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u60c5\u5831\u306b\u57fa\u3065\u304d\u3001\u5b66\u6821\u306f\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u4f4d\u7f6e\u3092\u5909\u66f4\u3057\u3066\u5e72\u6e09\u3092\u6392\u9664\u3057\u3001\u751f\u5f92\u3068\u8077\u54e1\u304c\u5b89\u5b9a\u3057\u305f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 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