{"id":7106,"date":"2025-10-09T08:30:21","date_gmt":"2025-10-08T23:30:21","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=7106"},"modified":"2025-09-30T16:05:31","modified_gmt":"2025-09-30T07:05:31","slug":"datalink-layer_glossary","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/datalink-layer_glossary\/","title":{"rendered":"\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u518d\u8003\uff1a\u901a\u4fe1\u306e\u201c\u898b\u3048\u3056\u308b\u57fa\u76e4\u201d\u3092\u652f\u3048\u308b\u65b0\u8996\u70b9"},"content":{"rendered":"\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff08Layer\u202f2\uff09\u306e\u9032\u5316\u30fb\u5f37\u976d\u5316\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3084\u7121\u7dda\u30fb\u6709\u7dda\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u5909\u5316\u306b\u7740\u76ee\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u8005\u306b\u4e0d\u53ef\u6b20\u306a\u6df1\u3044\u6d1e\u5bdf\u3068\u5b9f\u8df5\u7684\u77e5\u898b\u3092\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n<h2>\u518d\u69cb\u7bc9\u3055\u308c\u305f\u901a\u4fe1\u57fa\u76e4\u2500\u2500\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u73fe\u5728\u5730<\/h2>\n<b>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u3068\u306f\u4f55\u304b\uff1f\u9375\u3068\u306a\u308b\u5f79\u5272\u3068\u69cb\u6210<\/b>\r\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306fOSI\u30e2\u30c7\u30eb\u306e\u7b2c2\u5c64\u3067\u3001\u4e3b\u306b\u96a3\u63a5\u3059\u308b\u30ce\u30fc\u30c9\u9593\u3067<strong>\u4fe1\u983c\u6027\u306e\u3042\u308b\u30c7\u30fc\u30bf\u8ee2\u9001<\/strong>\u3092\u62c5\u3044\u307e\u3059\u3002\u751f\u306e\u30d3\u30c3\u30c8\u3092\u300c\u30d5\u30ec\u30fc\u30e0\u300d\u306b\u307e\u3068\u3081\u3001MAC\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308b\u7aef\u672b\u8b58\u5225\u3001\u30a8\u30e9\u30fc\u691c\u51fa\u3001\u885d\u7a81\u7ba1\u7406\u306a\u3069\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002Ethernet\u3001Wi\u2011Fi\uff08IEEE\u202f802.11\uff09\u3001PPP\u3001HDLC\u306a\u3069\u304c\u5178\u578b\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\r\n<b>\u306a\u305c\u4eca\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u304c\u6ce8\u76ee\u3055\u308c\u308b\u306e\u304b\uff1f<\/b>\r\n<ul>\r\n\t<li><strong>\u30a8\u30c3\u30b8\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084IoT\u306e\u62e1\u5927<\/strong>\u306b\u3088\u308a\u3001\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u7121\u7dda\u74b0\u5883\u3067Layer\u202f2\u306e\u5b89\u5b9a\u6027\u304c\u518d\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\r\n\t<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306e\u5897\u52a0<\/strong>\uff1aARP\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3084MAC\u507d\u88c5\u306a\u3069\u3001\u30ea\u30f3\u30af\u5c64\u3067\u306e\u653b\u6483\u304c\u6025\u5897\u3002\u30ea\u30f3\u30af\u5c64\u3067\u306e\u9632\u5fa1\u304c\u6700\u524d\u7dda\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\r\n\t<li><strong>5G\u3001VLAN\u3001SDN\u3068\u306e\u878d\u5408<\/strong>\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ad6\u7406\u5316\u30fb\u4eee\u60f3\u5316\u304c\u9032\u5c55\u3057\u3001Layer\u202f2\u5236\u5fa1\u306e\u91cd\u8981\u6027\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><!-- notionvc: 275658ff-fa9f-48cf-aec9-ea7a37f70daa --><\/p>\n\n<h2>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u69cb\u9020\u3068\u30d7\u30ed\u30c8\u30b3\u30eb<\/h2>\n<b>LLC vs MAC\uff1a\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\u306e\u5f79\u5272<\/b>\r\n<ul>\r\n\t<li><strong>LLC\uff08Logical Link Control\uff09<\/strong>\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3068\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30a8\u30e9\u30fc\u5236\u5fa1\u3084\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\r\n\t<li><strong>MAC\uff08Media Access Control\uff09<\/strong>\uff1a\u5b9f\u969b\u306b\u30d5\u30ec\u30fc\u30e0\u3092\u751f\u6210\u3057\u3001\u7269\u7406\u5a92\u4f53\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\uff08CSMA\/CD\u3001CSMA\/CA\uff09\u3084MAC\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308b\u500b\u5225\u5236\u5fa1\u3092\u62c5\u3044\u307e\u3059 \u3002<\/li>\r\n<\/ul>\r\n<b>\u4ee3\u8868\u7684\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u305d\u306e\u9032\u5316<\/b>\r\n<ul>\r\n\t<li><strong>Ethernet\uff08IEEE\u202f802.3\uff09<\/strong>\uff1aCSMA\/CD\u65b9\u5f0f\u3092\u7528\u3044\u3001\u73fe\u5728\u306f\u5168\u4e8c\u91cd\u901a\u4fe1\u3068\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306b\u79fb\u884c\u3002<\/li>\r\n\t<li><strong>Wi\u2011Fi\uff08IEEE\u202f802.11\uff09<\/strong>\uff1a\u7121\u7dda\u74b0\u5883\u306b\u304a\u3051\u308bCSMA\/CA\u3068QoS\u6a5f\u80fd\u3067\u3001\u591a\u5c90\u306b\u308f\u305f\u308b\u7aef\u672b\u63a5\u7d9a\u3092\u652f\u3048\u307e\u3059\u3002<\/li>\r\n\t<li><strong>PPP\u30fbHDLC<\/strong>\uff1a\u5e83\u5e2f\u57df\u56de\u7dda\u3067\u306e\u62e0\u70b9\u9593\u901a\u4fe1\u306b\u5229\u7528\u3055\u308c\u3001\u8a8d\u8a3c\u30fb\u5727\u7e2e\u30fb\u591a\u91cd\u5316\u304c\u53ef\u80fd\u3002<\/li>\r\n\t<li><strong>VLAN\u30bf\u30b0<\/strong>\uff1a802.1Q\u6280\u8853\u306b\u3088\u308a\u7269\u7406\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8d85\u3048\u305f\u4eee\u60f3\u5316\u3092\u5b9f\u73fe\u3057\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u5236\u5fa1\u304c\u5bb9\u6613\u306b\u3002<\/li>\r\n<\/ul>\r\n<p><!-- notionvc: 82315f39-1fd4-4b16-8dbe-3e22f370e3d4 --><\/p>\n\n<h2>\u6700\u65b0\u30c8\u30ec\u30f3\u30c9\u3068\u5f37\u5316\u306e\u6f6e\u6d41<\/h2>\n<b>Layer\u202f2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7126\u70b9\u3068\u9632\u5fa1\u7b56<\/b>\r\n<p>ARP\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3084MAC\u507d\u88c5\u653b\u6483\u304c\u5897\u52a0\u3057\u3066\u304a\u308a\u3001\u30ea\u30f3\u30af\u5c64\u3067\u306e\u8e0f\u307f\u3068\u3069\u307e\u308a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\r\n<ul>\r\n\t<li><strong>\u30c0\u30a4\u30ca\u30df\u30c3\u30afARP\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\uff08DAI\uff09\u3084Port Security\uff08MAC\u5236\u9650\uff09<\/strong>\u306f\u4eca\u3084\u5b9a\u756a\u3002<\/li>\r\n\t<li><strong>MACsec\uff08IEEE\u202f802.1AE\uff09<\/strong>\u3067\u306f\u3001\u30ec\u30a4\u30e4\u30fc2\u30ec\u30d9\u30eb\u3067\u30d5\u30ec\u30fc\u30e0\u3092\u6697\u53f7\u5316\u3057\u76d7\u8074\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<b>\u7121\u7dda\u3068\u6709\u7dda\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u306b\u304a\u3051\u308b\u8ab2\u984c<\/b>\r\n<p>Wi\u2011Fi\u202f6\uff08802.11ax\uff09\u306f\u3001\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3068\u8907\u6570\u30e6\u30fc\u30b6\u30fc\u51e6\u7406\u3092\u5b9f\u73fe\u3002\u4e00\u65b9\u3067\u96fb\u6ce2\u5e72\u6e09\u3084\u5e2f\u57df\u78ba\u4fdd\u304c\u8ab2\u984c\u3002\u305d\u306e\u305f\u3081\u3001\u69cb\u5185\u3067\u306fEthernet\u3068Wi\u2011Fi\u304c\u5bc6\u63a5\u306b\u9023\u643a\u3057\u3001Layer\u202f2\u7ba1\u7406\u304c\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<b>H3\uff1aSDN\u3068\u81ea\u5f8b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9032\u5c55<\/b>\r\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u3088\u308b\u7269\u7406\u30fb\u4eee\u60f3\u30b9\u30a4\u30c3\u30c1\u306e\u96c6\u4e2d\u5236\u5fa1\u304c\u666e\u53ca\u3057\u3001VLAN\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u3001QoS\u306a\u3069Layer\u202f2\u6a5f\u80fd\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u30c6\u30a3\u30c3\u30af\u306a\u5236\u5fa1\u306b\u3088\u308a\u3001\u904b\u7528\u52b9\u7387\u304c\u98db\u8e8d\u7684\u306b\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 1caa68bd-df2d-4018-869f-33422cf93bbb --><\/p>\n\n<h2>\u5b9f\u4f8b\u3067\u7406\u89e3\uff01Layer\u202f2\u6700\u524d\u7dda\u306e\u73fe\u5834<\/h2>\n<b>ISP\u62e0\u70b9\u3068\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u30fc<\/b>\r\n<p>PPP\u3084HDLC\u3092\u7528\u3044\u3066DSL\u3084\u5149\u56de\u7dda\u306a\u3069\u3067ISP\u3068\u62e0\u70b9\u3092\u63a5\u7d9a\u3002Layer\u202f2\u3067\u306e\u518d\u9001\u3084\u8a8d\u8a3c\u3001\u5727\u7e2e\u304c\u9867\u5ba2\u306e\u4f53\u9a13\u3092\u652f\u3048\u307e\u3059\u3002<\/p>\r\n<b>\u4f01\u696d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4eee\u60f3\u5316\uff08VLAN\uff09<\/b>\r\n<p>\u90e8\u7f72\u3054\u3068\u306bVLAN\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u5b89\u5168\u306b\u8ad6\u7406\u5206\u96e2\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52b9\u7387\u5316\u3002\u3053\u308c\u306f\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u301c\u30ad\u30e3\u30f3\u30d1\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3067\u5e83\u304f\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<b>\u5de5\u5834\u30fbIoT\u74b0\u5883\u3067\u306e\u7121\u7dda\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/b>\r\n<p>\u30bb\u30f3\u30b5\u3084\u30ed\u30dc\u30c3\u30c8\u306a\u3069\u591a\u6570\u306e\u7aef\u672b\u304cWi\u2011Fi\u202f6\/5G\/LPWAN\u3067\u901a\u4fe1\u3002Layer\u202f2\u5236\u5fa1\u3068QoS\u304c\u5b89\u5b9a\u3057\u305f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u306b\u5bc4\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 6357f811-668c-4fdd-8f36-c4d9a7b933c9 --><\/p>\n\n<h2>\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u4fef\u77b0\u3059\u308b<\/h2>\n<b>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u5f37\u307f<\/b>\r\n<ol>\r\n\t<li><strong>\u4fe1\u983c\u6027\u306e\u62c5\u4fdd<\/strong>\uff1a\u30a8\u30e9\u30fc\u691c\u51fa\u30fb\u8a02\u6b63\u3067\u901a\u4fe1\u54c1\u8cea\u304c\u5411\u4e0a<\/li>\r\n\t<li><strong>\u30bb\u30b0\u30e1\u30f3\u30c8\u5236\u5fa1<\/strong>\uff1aVLAN\u3084MAC\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ad6\u7406\u5206\u96e2\u304c\u53ef\u80fd<\/li>\r\n\t<li><strong>\u885d\u7a81\u56de\u907f\u30fb\u9069\u5fdc\u5236\u5fa1<\/strong>\uff1aCSMA\u306a\u3069\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306b\u3088\u308a\u52b9\u7387\u7684\u901a\u4fe1<\/li>\r\n<\/ol>\r\n<b>\u8ab2\u984c\u3068\u76f2\u70b9<\/b>\r\n<ol>\r\n\t<li><strong>\u53ef\u8996\u6027\u306e\u9650\u754c<\/strong>\uff1aLayer\u202f3\u4ee5\u4e0a\u306e\u60c5\u5831\uff08IP\u3001\u30a2\u30d7\u30ea\uff09\u306f\u6271\u3048\u306a\u3044<\/li>\r\n\t<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027<\/strong>\uff1a\u691c\u67fb\u30fb\u6697\u53f7\u5316\u306a\u3057\u3067\u306f\u653b\u6483\u306b\u5f31\u3044<\/li>\r\n\t<li><strong>\u8907\u96d1\u5316<\/strong>\uff1aSDN\u3084\u4eee\u60f3\u5316\u3068\u306e\u878d\u5408\u306b\u3088\u308a\u8a2d\u8a08\u30fb\u904b\u7528\u304c\u96e3\u89e3\u306b\u306a\u308a\u3064\u3064\u3042\u308b<\/li>\r\n<\/ol>\r\n<p><!-- notionvc: 4cab577b-c439-4f70-9763-a9e131d03d4a --><\/p>\n\n<h2>\u3053\u308c\u304b\u3089\u306e\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u2500\u2500\u9032\u3080\u3079\u304d\u65b9\u5411<\/h2>\n<b>MACsec\u3068\u6697\u53f7\u5316\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6a19\u6e96\u5316<\/b>\r\n<p>\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u76d7\u8074\u5bfe\u7b56\u3068\u3057\u3066\u3001MACsec\u3092\u5168\u9762\u7684\u306b\u53d6\u308a\u8fbc\u3080\u52d5\u304d\u304c\u52a0\u901f\u3002\u4eca\u5f8c\u306f\u5de5\u5834\u3001\u91d1\u878d\u6a5f\u95a2\u306a\u3069\u3067\u5c0e\u5165\u304c\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\r\n<b>AI\u3068SDN\u306e\u878d\u5408\u306b\u3088\u308b\u81ea\u5f8bLayer\u202f2\u904b\u7528<\/b>\r\n<p>\u6a5f\u68b0\u5b66\u7fd2\u306b\u3088\u308a\u3001ABI\uff08Adaptive Bandwidth Infrastructure\uff09\u3078\u9032\u5316\u3002\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u885d\u7a81\u3084\u8f3b\u8f33\u3092\u4e88\u6e2c\u30fb\u56de\u907f\u3059\u308b\u6642\u4ee3\u306b\u5411\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<b>IoT\/OT\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u9ad8\u4fe1\u983c\u6027\u30d5\u30ec\u30fc\u30e0\u5236\u5fa1<\/b>\r\n<p>\u7523\u696d\u7528Ethernet\u3084\u30d7\u30ed\u30b7\u30e5\u30a2\u30d3\u30ea\u30c6\u30a3\u8981\u6c42\u306e\u9ad8\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001Layer\u202f2\u3067\u306e\u518d\u9001\u30fbQoS\u5236\u5fa1\u304c\u54c1\u8cea\u4fdd\u8a3c\u306b\u4e0d\u53ef\u6b20\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 58686773-cd1b-4636-bf7f-1af1016423f1 --><\/p>\n\n<h2>\u307e\u3068\u3081 \u2500\u2500\u201c\u5730\u5473\u306a\u304c\u3089\u4e0d\u53ef\u6b20\u201d\u306a\u57fa\u76e4\u304c\u4eca\u3001\u8f1d\u304d\u51fa\u3059<\/h2>\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306f\u304b\u3064\u3066\u201c\u5f53\u305f\u308a\u524d\u201d\u306e\u5b58\u5728\u3067\u3057\u305f\u304c\u3001IoT\u3001SDN\u30015G\u3001\u305d\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u8acb\u304c\u9ad8\u307e\u308b\u4eca\u3001\u305d\u306e\u5f79\u5272\u306f\u518d\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u8a2d\u8a08\u3001MAC\u30a2\u30c9\u30ec\u30b9\u7ba1\u7406\u3001\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5236\u5fa1\u306a\u3069\u3001Layer\u202f2\u3092\u7406\u89e3\u3057\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u771f\u306b\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\r\n<p>\u4eca\u5f8c\u306f<strong>\u300cLayer\u202f2 + \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 + \u81ea\u52d5\u5316\u300d<\/strong>\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u3068\u306a\u308a\u3001\u73fe\u5834\u306e\u904b\u7528\u8005\u3084\u8a2d\u8a08\u8005\u306b\u306f\u3055\u3089\u306b\u9ad8\u5ea6\u306a\u77e5\u8b58\u3068\u7d4c\u9a13\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u672c\u8a18\u4e8b\u304c\u7686\u3055\u3093\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u30fb\u904b\u7528\u306b\u5f79\u7acb\u3064\u3088\u3046\u3001Layer\u202f2\u3092\u201c\u898b\u3048\u308b\u5316\u201d\u3057\u3001\u6b21\u4e16\u4ee3\u30a4\u30f3\u30d5\u30e9\u306e\u57fa\u76e4\u3068\u3057\u3066\u6d3b\u7528\u3057\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff08Layer\u202f2\uff09\u306e\u9032\u5316\u30fb\u5f37\u976d\u5316\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3084\u7121\u7dda\u30fb\u6709\u7dda\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u5909\u5316\u306b\u7740\u76ee\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u8005\u306b\u4e0d\u53ef\u6b20\u306a\u6df1\u3044\u6d1e\u5bdf\u3068\u5b9f\u8df5\u7684\u77e5\u898b\u3092\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 \u518d\u69cb\u7bc9\u3055\u308c\u305f [&hellip;]<\/p>\n","protected":false},"author":22,"featured_media":7099,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1249],"tags":[1108,1109,1028,1107,1097],"class_list":["post-7106","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-osi","tag-vlan","tag-1028","tag-1107","tag-1097"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=7106"}],"version-history":[{"count":2,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7106\/revisions"}],"predecessor-version":[{"id":7242,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7106\/revisions\/7242"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/7099"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=7106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=7106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=7106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}