{"id":7131,"date":"2021-05-12T13:19:40","date_gmt":"2021-05-12T04:19:40","guid":{"rendered":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/?p=7131"},"modified":"2021-05-12T13:25:16","modified_gmt":"2021-05-12T04:25:16","slug":"webrtc%e3%81%a8%e3%81%af-2","status":"publish","type":"post","link":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/archives\/7131","title":{"rendered":"WebRTC\u3068\u306f"},"content":{"rendered":"<div class=\"veu_autoEyeCatchBox\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"462\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2.png\" class=\"attachment-large size-large wp-post-image\" alt=\"\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2.png 776w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2-300x185.png 300w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2-768x473.png 768w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/div>\n<p>\u672c\u65e5\u306f\u3001\u5f0a\u793e\u306eWeb\u4f1a\u8b70\u30b7\u30b9\u30c6\u30e0\u300c<a href=\"https:\/\/www.ois-yokohama.co.jp\/szia\/\" target=\"_blank\" rel=\"noopener noreferrer\">Szia<\/a>\u300d\u3067\u3082\u4f7f\u308f\u308c\u3066\u3044\u308b<br \/>\n<strong>WebRTC<\/strong>\u306b\u3064\u3044\u3066\u304a\u8a71\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.ois-yokohama.co.jp\/szia\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6933 size-medium\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2-300x185.png\" alt=\"\" width=\"300\" height=\"185\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2-300x185.png 300w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2-768x473.png 768w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2021\/01\/notesmart2.png 776w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h1>WebRTC\u3068\u306f<\/h1>\n<p><strong>WebRTC<\/strong>(<strong>Web<\/strong> <strong>R<\/strong>eal <strong>T<\/strong>ime <strong>C<\/strong>ommunication)\u306f\u3001Web\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u3001\u97f3\u58f0\u30fb\u6620\u50cf\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306eHTML5\u306e\u898f\u683c\u3067\u3059\u3002Web\u30d6\u30e9\u30a6\u30b6\u540c\u58eb\u304c\u30b5\u30fc\u30d0\u3092\u7d4c\u7531\u305b\u305aP2P\u3067\u901a\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0<\/h2>\n<p>P2P\u901a\u4fe1\u3092\u3059\u308b\u305f\u3081\u306b\u3001\u304a\u4e92\u3044\u306eIP\u30a2\u30c9\u30ec\u30b9\u30fb\u30dd\u30fc\u30c8\u756a\u53f7\u306a\u3069\u306e\u63a5\u7d9a\u5148\u60c5\u5831\u3084\u3001\u9001\u53d7\u4fe1\u3067\u304d\u308b\u97f3\u58f0\u30fb\u6620\u50cf\u306e\u5f62\u5f0f\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u3068\u3053\u3068\u3092<strong>\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0<\/strong>\u3068\u3044\u3044\u3001\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u30b5\u30fc\u30d0\u3092\u4ecb\u3057\u3066\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>ICE<\/h2>\n<p>\u591a\u304f\u306e\u5834\u5408\u3001\u7aef\u672b\u306fLAN\u306e\u4e2d\u306b\u3044\u308b\u305f\u3081\u3001NAT\u3055\u308c\u305f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306aIP\u30a2\u30c9\u30ec\u30b9\u3057\u304b\u6301\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3067\u3059\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u7d4c\u7531\u3059\u308b\u5834\u5408\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306aIP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u901a\u4fe1\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u81ea\u5206\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u3084\u901a\u4fe1\u53ef\u80fd\u306a\u30dd\u30fc\u30c8\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306eNAT\u3092\u8d8a\u3048\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3092<strong>ICE<\/strong>\uff08<strong>I<\/strong>nteractive <strong>C<\/strong>onnectivity <strong>E<\/strong>stablishment)\u3068\u3044\u3044\u3001<strong>STUN\u30b5\u30fc\u30d0<\/strong>\u3084<strong>TURN\u30b5\u30fc\u30d0<\/strong>\u3092\u4f7f\u3063\u3066\u884c\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6657 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2020\/06\/redois_pic_gaiyou02-768x201-1.png\" alt=\"\" width=\"768\" height=\"201\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2020\/06\/redois_pic_gaiyou02-768x201-1.png 768w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2020\/06\/redois_pic_gaiyou02-768x201-1-300x79.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h1>WebRTC SFU\u3068\u306f<\/h1>\n<p>WebRTC <strong>SFU<\/strong>(<strong>S<\/strong>elective <strong>F<\/strong>orwarding <strong>U<\/strong>nit)\u306f\u3001\u901a\u5e38\u306fP2P\u3067\u884c\u3046WebRTC\u3092\u30b5\u30fc\u30d0\u3092\u7d4c\u7531\u3057\u3066\u901a\u4fe1\u3055\u305b\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u5f53\u793e\u88fd\u54c1\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3046\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u300c<strong>ReDois\u300d<\/strong>\u306fWebRTC SFU\u306e\u6a5f\u80fd\u3092\u5177\u5099\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6658 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2020\/06\/redois_pic_gaiyou03-1-768x279-1.png\" alt=\"WebRTC SFU\u3068\u306f\" width=\"768\" height=\"279\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2020\/06\/redois_pic_gaiyou03-1-768x279-1.png 768w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2020\/06\/redois_pic_gaiyou03-1-768x279-1-300x109.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>WebRTC\u3001WebRTC SFU\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>WebRTC\u3001WebRTC SFU\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>WebRTC\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>WebRTC\u3092\u4f7f\u3046\u3053\u3068\u306e\u4e00\u756a\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001HTML\u306e\u6a19\u6e96\u898f\u683c\u3067\u3042\u308b\u305f\u3081\u3001\u72ec\u81ea<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u4e0d\u8981<\/strong>\u3067Web\u30d6\u30e9\u30a6\u30b6\u306e\u307f\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u3092\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u898f\u683c\u81ea\u4f53\u306f2012\u5e74\u306b\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u5404\u30d6\u30e9\u30a6\u30b6\u306e\u5b9f\u88c5\u304c\u8ffd\u3044\u4ed8\u3044\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>2019\u5e748\u6708\u6642\u70b9\u3067\u3001IE\u3092\u9664\u304f\u3068\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306e\u30b7\u30a7\u30a2\u304c98.4%\u4ee5\u4e0a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WebRTC SFU\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>Web\u4f1a\u8b70\u306a\u3069\u3067\u591a\u304f\u306e\u7aef\u672b\u3068\u63a5\u7d9a\u3057\u305f\u5834\u5408\u3001 P2P\u306e\u5834\u5408\u306f\u7aef\u672b\u305d\u308c\u305e\u308c\u304c\u4ed6\u306e\u5168\u3066\u306e\u7aef\u672b\u3068\u306e\u63a5\u7d9a\u3092\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u63a5\u7d9a\u53ef\u80fd\u306a\u53f0\u6570\u3082\u7aef\u672b\u306e\u6027\u80fd\u306b\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>WebRTC SFU\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3001\u7aef\u672b\u306fSFU\u3068\u63a5\u7d9a\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u7aef\u672b\u306e\u7ba1\u7406\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u7aef\u672b\u5074\u3067\u63a5\u7d9a\u3059\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u672c\u6570\u304c\u6e1b\u308b\u305f\u3081\u3001P2P\u3067\u306f\u5b9f\u73fe\u3067\u304d\u306a\u304b\u3063\u305f\u6570\u306e\u7aef\u672b\u3067\u306e\u540c\u6642\u63a5\u7d9a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u89b3\u70b9\u3067\u306f\u3001SFU\u3092\u4f7f\u3063\u3066\u63a5\u7d9a\u3092\u307e\u3068\u3081\u305f\u65b9\u304cJavascript\u5074\u306e\u5b9f\u88c5\u304c\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>WebRTC\u3001WebRTC SFU\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>WebRTC\u3001WebRTC SFU\u3092\u4f7f\u3046\u30c7\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>WebRTC\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul>\n<li>\u5404\u30d6\u30e9\u30a6\u30b6\u306e\u5b9f\u88c5\u304c\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u3066\u304a\u3089\u305a\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u5fae\u5999\u306b\u9055\u3044\u3042\u308b\u305f\u3081\u3001\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u306e\u8a18\u8ff0\u3084Javascript\u306e\u5b9f\u88c5\u306b\u9055\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\">\u21d2\u4eca\u5f8c\u3001\u7d71\u4e00\u306b\u5411\u304b\u3063\u3066\u3044\u308b\u305f\u3081\u3053\u306e\u9055\u3044\u306f\u89e3\u6d88\u3055\u308c\u3066\u3044\u304f\u3068\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\">\u21d2ReDois\u3067\u306f\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u6642\u306e\u30d6\u30e9\u30a6\u30b6\u3054\u3068\u306e\u5dee\u5206\u3092\u5438\u53ce\u3057\u3001\u3067\u304d\u308b\u9650\u308a\u63a5\u7d9a\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WebRTC SFU\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul>\n<li>P2P\u3067\u306f\u4e0d\u8981\u306e\u30b5\u30fc\u30d0\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u30b5\u30fc\u30d0\u3092\u7d4c\u7531\u3059\u308b\u5206\u3001P2P\u306b\u6bd4\u3079\u3066\u9045\u5ef6\u304c\u767a\u751f\u3057\u307e\u3059\u3002<br \/>\n\u30b5\u30fc\u30d0\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u901a\u4fe1\u72b6\u6cc1\u306b\u3088\u308a\u307e\u3059\u304c\u3001100ms\uff5e200ms\u7a0b\u5ea6\u9045\u5ef6\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>\u25c6WEB\u4f1a\u8b70\uff0f\u30bb\u30df\u30ca\u30fc\u30b7\u30b9\u30c6\u30e0\u300eSzia\u300f<br \/>\n<a href=\"https:\/\/www.ois-yokohama.co.jp\/szia\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.ois-yokohama.co.jp\/szia\/<\/a><\/p>\n<p>\u25c6\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u3067\u52d5\u4f5c\u3059\u308b\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u300eReDois\u300f<br \/>\n<a href=\"https:\/\/www.ois-yokohama.co.jp\/redois\/wp_redois\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.ois-yokohama.co.jp\/redois\/wp_redois\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u65e5\u306f\u3001\u5f0a\u793e\u306eWeb\u4f1a\u8b70\u30b7\u30b9\u30c6\u30e0\u300cSzia\u300d\u3067\u3082\u4f7f\u308f\u308c\u3066\u3044\u308b WebRTC\u306b\u3064\u3044\u3066\u304a\u8a71\u3044\u305f\u3057\u307e\u3059\u3002 WebRTC\u3068\u306f WebRTC(Web Real Time Communication)\u306f\u3001Web\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u3001\u97f3\u58f0\u30fb\u6620 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6933,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"vkexunit_cta_each_option":"","footnotes":""},"categories":[758,877,909],"tags":[832,835,914,913,836,837,756,915,916,834,918,917,912,911,910],"class_list":["post-7131","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-redois","category-szia","category-webrtc","tag-html5","tag-ice","tag-nat","tag-p2p","tag-stun","tag-turn","tag-webrtc","tag-webrtc-sfu","tag-916","tag-834","tag-918","tag-917","tag-912","tag-911","tag-910"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts\/7131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/comments?post=7131"}],"version-history":[{"count":4,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts\/7131\/revisions"}],"predecessor-version":[{"id":7135,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/posts\/7131\/revisions\/7135"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/media\/6933"}],"wp:attachment":[{"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/media?parent=7131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/categories?post=7131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-json\/wp\/v2\/tags?post=7131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}