{"id":1699,"date":"2026-10-29T00:00:00","date_gmt":"2026-10-28T15:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1699"},"modified":"2026-10-26T00:22:40","modified_gmt":"2026-10-25T15:22:40","slug":"qs-coap-observe-order-20261026","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1699","title":{"rendered":"CoAP Observe\u3001\u66f4\u65b0\u901a\u77e5\u306e\u5230\u7740\u9806\u3068\u60c5\u5831\u306e\u65b0\u3057\u3055\u3092\u5206\u3051\u308b\u4ed5\u7d44\u307f"},"content":{"rendered":"<p>\u5ba4\u6e29\u3092\u9060\u9694\u3067\u8868\u793a\u3059\u308b\u3068\u304d\u3001\u4e00\u5b9a\u9593\u9694\u3067\u300c\u4eca\u306f\u4f55\u5ea6\u3067\u3059\u304b\u300d\u3068\u554f\u3044\u5408\u308f\u305b\u7d9a\u3051\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002CoAP\u306eObserve\u306f\u3001\u6700\u521d\u306b\u95a2\u5fc3\u306e\u3042\u308b\u60c5\u5831\u3092\u767b\u9332\u3057\u3001\u305d\u306e\u5f8c\u306e\u5909\u5316\u3092\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u77e5\u3089\u305b\u3066\u3082\u3089\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5c4a\u3044\u305f\u901a\u77e5\u3092\u9806\u756a\u306b\u753b\u9762\u3078\u51fa\u3059\u3060\u3051\u3067\u306f\u3001\u9045\u308c\u3066\u5c4a\u3044\u305f\u53e4\u3044\u6e29\u5ea6\u3078\u8868\u793a\u304c\u623b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>CoAP Observe\u3067\u306f\u3001GET\u3067\u767b\u9332\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u306e\u66f4\u65b0\u3092\u3001\u540c\u3058Token\u306b\u5bfe\u5fdc\u3059\u308b\u901a\u77e5\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/li>\n<li>UDP\u4e0a\u3067\u306f\u901a\u77e5\u306e\u5230\u7740\u9806\u304c\u524d\u5f8c\u3059\u308b\u305f\u3081\u3001Observe\u306e\u756a\u53f7\u3092\u4f7f\u3063\u3066\u65b0\u3057\u3044\u72b6\u614b\u3092\u9078\u3073\u307e\u3059\u3002\u756a\u53f7\u306e\u5927\u5c0f\u3060\u3051\u3067\u306f\u3001\u6298\u308a\u8fd4\u3057\u3092\u6271\u3048\u307e\u305b\u3093\u3002<\/li>\n<li>\u65b0\u65e7\u306e\u5224\u5b9a\u3068\u3001Max-Age\u306b\u3088\u308b\u9bae\u5ea6\u306e\u671f\u9650\u306f\u5225\u3067\u3059\u3002\u9014\u4e2d\u306e\u5168\u72b6\u614b\u304c\u5c4a\u304f\u4fdd\u8a3c\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u4e00\u5ea6\u306eGET\u304b\u3089\u3001\u66f4\u65b0\u306e\u901a\u77e5\u304c\u7d9a\u304f<\/h2>\n<p>CoAP\uff08Constrained Application Protocol\uff09\u306f\u3001\u8a08\u7b97\u80fd\u529b\u3084\u901a\u4fe1\u91cf\u306b\u5236\u7d04\u306e\u3042\u308b\u6a5f\u5668\u5411\u3051\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u6e29\u5ea6\u306a\u3069\u306e\u60c5\u5831\u3092\u300c\u30ea\u30bd\u30fc\u30b9\u300d\u3068\u3057\u3066\u6271\u3044\u3001\u305d\u306e\u8868\u73fe\u3092GET\u3067\u53d6\u5f97\u3057\u307e\u3059\u3002Observe\u306f\u3001\u3053\u306e\u53d6\u5f97\u3092\u7d99\u7d9a\u7684\u306a\u89b3\u6e2c\u3078\u5e83\u3052\u308b\u62e1\u5f35\u3067\u3059\u3002\u672c\u7a3f\u306e\u901a\u77e5\u9806\u5e8f\u306e\u8aac\u660e\u306f\u3001RFC 7641\u306b\u57fa\u3065\u304fUDP\u4e0a\u306eCoAP\u3092\u5bfe\u8c61\u306b\u3057\u307e\u3059\u3002[1\u30011.1\u20131.2\u30012]<\/p>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fGET\u306b<code>Observe: 0<\/code>\u3092\u4ed8\u3051\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u89b3\u6e2c\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304b\u3089Observe\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u542b\u3080\u6210\u529f\u5fdc\u7b54\u304c\u8fd4\u308c\u3070\u3001\u767b\u9332\u304c\u6210\u7acb\u3057\u305f\u3068\u5206\u304b\u308a\u307e\u3059\u3002Observe\u306e\u306a\u3044\u5fdc\u7b54\u306a\u3089\u3001\u901a\u5e38\u306eGET\u3068\u3057\u3066\u60c5\u5831\u3092\u53d6\u5f97\u3057\u305f\u3060\u3051\u306e\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u6e29\u5ea6\u304c\u4e00\u5ea6\u8fd4\u3063\u305f\u300d\u3068\u300c\u66f4\u65b0\u3092\u53d7\u3051\u53d6\u308b\u767b\u9332\u304c\u3067\u304d\u305f\u300d\u306f\u5206\u3051\u3066\u6271\u3044\u307e\u3059\u3002[1\u30012\u30013.1]<\/p>\n<p>\u305d\u306e\u5f8c\u306e\u901a\u77e5\u306f\u3001\u6700\u521d\u306eGET\u306b\u5bfe\u3059\u308b\u8ffd\u52a0\u306e\u5fdc\u7b54\u3067\u3059\u3002\u901a\u77e5\u306b\u542b\u307e\u308c\u308bToken\u306f\u3001\u305d\u306e\u901a\u77e5\u304c\u3069\u306e\u8981\u6c42\u306b\u5bfe\u5fdc\u3059\u308b\u304b\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u5fdc\u7b54\u5074\u306eObserve\u5024\u306f\u3001\u901a\u77e5\u306e\u65b0\u65e7\u3092\u898b\u5206\u3051\u308b\u305f\u3081\u306e\u756a\u53f7\u3067\u3059\u3002Token\u3068Observe\u5024\u306f\u3001\u540c\u3058\u6570\u5b57\u306e\u6b04\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002[1\u30013.2]<\/p>\n<h2>\u9045\u308c\u3066\u5c4a\u3044\u305f\u901a\u77e5\u3067\u3001\u8868\u793a\u3092\u5dfb\u304d\u623b\u3055\u306a\u3044<\/h2>\n<p>\u6b21\u306e\u56f3\u306f\u8aac\u660e\u7528\u306b\u4f5c\u3063\u305f\u53d7\u4fe1\u4f8b\u3067\u3059\u3002\u89b3\u6e2c\u767b\u9332\u6e08\u307f\u306e\u4e00\u3064\u306e\u6e29\u5ea6\u30ea\u30bd\u30fc\u30b9\u306b\u3064\u3044\u3066\u3001\u5404\u901a\u77e5\u304c\u6e29\u5ea6\u306e\u8868\u73fe\u3092\u542b\u307f\u3001\u9014\u4e2d\u3067\u767b\u9332\u3084Token\u304c\u5909\u308f\u3089\u306a\u3044\u3082\u306e\u3068\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u901a\u77e5\u304b\u3089\u306e\u7d4c\u904e\u6642\u9593\u3092\u4f7f\u3044\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9f\u6e2c\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-coap-observe-order-20261026-figure-4fc53edd88c0.png\" alt=\"CoAP Observe\u306e\u72ec\u81ea\u53d7\u4fe1\u4f8b\u3002\u6642\u523b0\u79d2\u306b\u756a\u53f7100\u306721\u2103\u30013\u79d2\u306b102\u306723\u2103\u3092\u63a1\u7528\u30024\u79d2\u306b\u9045\u308c\u3066\u5c4a\u304f101\u306e22\u2103\u306f\u63a1\u7528\u305b\u305a23\u2103\u3092\u7dad\u6301\u3057\u30018\u79d2\u306b105\u306e24\u2103\u3092\u63a1\u7528\u3059\u308b\u3002\" width=\"1080\" height=\"1180\" style=\"display:block;width:100%;max-width:100%;height:auto\"\/><figcaption>\u53d7\u4fe1\u6642\u523b\u306e\u65b0\u3057\u3055\u3060\u3051\u3067\u306f\u3001\u901a\u77e5\u3055\u308c\u305f\u72b6\u614b\u306e\u65b0\u3057\u3055\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u756a\u53f7101\u304c\u9045\u308c\u3066\u5c4a\u3044\u3066\u3082\u3001\u8868\u793a\u309223\u2103\u304b\u308922\u2103\u3078\u623b\u3055\u306a\u3044\u53d7\u4fe1\u4f8b\u3067\u3059\u3002<\/figcaption><\/figure>\n<p>\u756a\u53f7100\u306e\u5f8c\u306b102\u3092\u53d7\u3051\u53d6\u3063\u305f\u3089\u3001\u8868\u793a\u309221\u2103\u304b\u308923\u2103\u3078\u66f4\u65b0\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b101\u304c\u5c4a\u3044\u3066\u3082\u3001\u3053\u308c\u306f102\u3088\u308a\u524d\u306e\u901a\u77e5\u306a\u306e\u3067\u3001\u6700\u65b0\u306e\u8868\u73fe\u306b\u306f\u63a1\u7528\u3057\u307e\u305b\u3093\u3002\u53d7\u3051\u53d6\u3063\u305f\u9806\u306b\u3059\u3079\u3066\u4e0a\u66f8\u304d\u3059\u308b\u3068\u3001\u3059\u3067\u306b\u898b\u3048\u3066\u3044\u305f23\u2103\u3092\u53e4\u304422\u2103\u3067\u7f6e\u304d\u63db\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002[1\u30013.4]<\/p>\n<p>\u305f\u3060\u3057\u3001\u756a\u53f7\u304c\u98db\u3093\u3060\u3053\u3068\u304b\u3089\u300c\u4f55\u56de\u5206\u306e\u6e29\u5ea6\u6e2c\u5b9a\u3092\u5931\u3063\u305f\u304b\u300d\u306f\u8a08\u7b97\u3067\u304d\u307e\u305b\u3093\u3002Observe\u306e\u756a\u53f7\u306f\u65b0\u65e7\u306e\u5224\u5b9a\u306b\u4f7f\u3046\u3082\u306e\u3067\u3001\u6e2c\u5b9a\u56de\u6570\u306e\u901a\u3057\u756a\u53f7\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u901a\u4fe1\u306e\u6df7\u96d1\u306a\u3069\u306b\u3088\u308a\u3001\u4e2d\u9593\u72b6\u614b\u306e\u901a\u77e5\u304c\u7701\u304b\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002Observe\u306e\u76ee\u7684\u306f\u73fe\u5728\u306e\u72b6\u614b\u3078\u8fd1\u3065\u304f\u3053\u3068\u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u5909\u5316\u306e\u5c65\u6b74\u3092\u914d\u308b\u3053\u3068\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002[1\u30011.3\u30013.3.1\u30014.4]<\/p>\n<h2>24\u30d3\u30c3\u30c8\u306e\u756a\u53f7\u306f\u3001\u6700\u5927\u5024\u306e\u5148\u3067\u6298\u308a\u8fd4\u3059<\/h2>\n<p>UDP\u4e0a\u306e\u901a\u77e5\u3067\u306f\u3001Observe\u5024\u306b\u5897\u52a0\u3059\u308b\u756a\u53f7\u306e\u4e0b\u4f4d24\u30d3\u30c3\u30c8\u3092\u4f7f\u3044\u307e\u3059\u3002\u8868\u305b\u308b\u5024\u306f0\u304b\u308916,777,215\u307e\u3067\u306a\u306e\u3067\u3001\u305d\u306e\u5148\u3067\u306f\u5c0f\u3055\u3044\u5024\u3078\u623b\u308a\u307e\u3059\u3002\u53d7\u4fe1\u3057\u305f\u5024\u3092\u666e\u901a\u306e\u6574\u6570\u3068\u3057\u3066\u6bd4\u3079\u308b\u3060\u3051\u3067\u306f\u3001\u6298\u308a\u8fd4\u3057\u305f\u5f8c\u306e\u65b0\u3057\u3044\u901a\u77e5\u3092\u53e4\u3044\u3068\u5224\u65ad\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002[1\u30013.4]<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u76f4\u524d\u306e\u5024\u304c16,777,214\u3067\u3001\u6b21\u306b1\u304c\u5c4a\u3044\u305f\u3068\u3057\u307e\u3059\u300224\u30d3\u30c3\u30c8\u306e\u7bc4\u56f2\u3092\u4e00\u5468\u3059\u308b\u3053\u3068\u3092\u7e54\u308a\u8fbc\u3081\u3070\u3001\u524d\u30783\u9032\u3093\u3060\u95a2\u4fc2\u3067\u3059\u3002\u77ed\u3044\u53d7\u4fe1\u9593\u9694\u3067\u3053\u306e\u4e8c\u3064\u3092\u6bd4\u3079\u308b\u5834\u5408\u30011\u3092\u65b0\u3057\u3044\u901a\u77e5\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u53cd\u5bfe\u306b\u30011\u306e\u5f8c\u307816,777,214\u304c\u5c4a\u3044\u305f\u5834\u5408\u306f\u3001\u5358\u7d14\u306b\u300c\u5927\u304d\u3044\u304b\u3089\u65b0\u3057\u3044\u300d\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u6bd4\u8f03\u306e\u571f\u53f0\u304c\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u6f14\u7b97\u3067\u3059\u3002\u4e00\u5468\u306e\u534a\u5206\u3088\u308a\u5c0f\u3055\u3044\u524d\u9032\u3092\u3001\u65b0\u3057\u3044\u5074\u3068\u3057\u3066\u533a\u5225\u3057\u307e\u3059\u300224\u30d3\u30c3\u30c8\u306a\u3089\u534a\u5468\u306f8,388,608\u3067\u3001\u3061\u3087\u3046\u3069\u534a\u5468\u96e2\u308c\u305f\u5024\u306f\u756a\u53f7\u3060\u3051\u3067\u306f\u524d\u5f8c\u3092\u6c7a\u3081\u3089\u308c\u307e\u305b\u3093\u3002RFC 7641\u306e\u53d7\u4fe1\u5224\u5b9a\u306b\u306f\u3001\u6700\u3082\u65b0\u3057\u3044\u901a\u77e5\u306e\u53d7\u4fe1\u304b\u3089128\u79d2\u3092\u8d85\u3048\u305f\u5834\u5408\u306e\u6761\u4ef6\u3082\u3042\u308a\u307e\u3059\u3002\u77ed\u6642\u9593\u306e\u756a\u53f7\u6bd4\u8f03\u3060\u3051\u3092\u5207\u308a\u51fa\u3057\u3066\u3001\u5e38\u306b\u4f7f\u3048\u308b\u898f\u5247\u306b\u3057\u306a\u3044\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002[1\u30013.4][2\u30013.2]<\/p>\n<h2>\u65b0\u3057\u3044\u756a\u53f7\u3067\u3082\u3001\u3044\u3064\u307e\u3067\u3082\u73fe\u5728\u5024\u3068\u306f\u3044\u3048\u306a\u3044<\/h2>\n<p>\u901a\u77e5\u306e\u9806\u5e8f\u3092\u5224\u5b9a\u3067\u304d\u3066\u3082\u3001\u305d\u306e\u5f8c\u306b\u901a\u4fe1\u304c\u9014\u7d76\u3048\u308c\u3070\u3001\u6700\u5f8c\u306e\u6e29\u5ea6\u304c\u753b\u9762\u306b\u6b8b\u308a\u7d9a\u3051\u307e\u3059\u3002\u3053\u3053\u3067\u4f7f\u3046\u306e\u304cMax-Age\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u305d\u306e\u8868\u73fe\u3092\u3069\u308c\u3060\u3051\u306e\u671f\u9593\u3001\u65b0\u9bae\u306a\u60c5\u5831\u3068\u3057\u3066\u6271\u3048\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u63a1\u7528\u3057\u305f\u901a\u77e5\u306e\u5e74\u9f62\u304cMax-Age\u3092\u8d85\u3048\u305f\u3089\u3001\u305d\u306e\u5185\u5bb9\u304c\u73fe\u5728\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u72b6\u614b\u3092\u8868\u3057\u3066\u3044\u308b\u3068\u306f\u898b\u306a\u305b\u307e\u305b\u3093\u3002[1\u30013.3.1][3\u30015.6.1]<\/p>\n<p>\u5148\u307b\u3069\u306e\u4f8b\u3067\u30018\u79d2\u6642\u70b9\u306b\u53d7\u3051\u53d6\u3063\u305f\u901a\u77e5\u306eMax-Age\u309210\u79d2\u3068\u3057\u307e\u3059\u3002\u53d7\u4fe1\u6642\u306e\u5e74\u9f62\u30920\u3068\u3057\u3066\u6271\u3046\u76f4\u63a5\u901a\u4fe1\u306e\u8aac\u660e\u4f8b\u3067\u306f\u300118\u79d2\u6642\u70b9\u306e\u5e74\u9f62\u306f10\u79d2\u300119\u79d2\u6642\u70b9\u3067\u306f11\u79d2\u3067\u3059\u3002\u5f8c\u8005\u3067\u306f\u3001\u65b0\u3057\u3044\u901a\u77e5\u304c\u6765\u3066\u3044\u306a\u3044\u304b\u3089\u3068\u3044\u3063\u306624\u2103\u3092\u300c\u73fe\u5728\u306e\u5ba4\u6e29\u300d\u3068\u8868\u793a\u3057\u7d9a\u3051\u308b\u6839\u62e0\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u753b\u9762\u306a\u3089\u3001\u6700\u5f8c\u306e\u5024\u3068\u3068\u3082\u306b\u66f4\u65b0\u5f85\u3061\u306e\u72b6\u614b\u3084\u6700\u7d42\u53d7\u4fe1\u6642\u523b\u3092\u793a\u3059\u8a2d\u8a08\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u7528\u9014\u3092\u6c7a\u3081\u308b\u969b\u306b\u306f\u3001\u300c\u76f4\u8fd1\u306e\u6e29\u5ea6\u3092\u77e5\u308a\u305f\u3044\u300d\u306e\u304b\u3001\u300c\u4e00\u77ac\u306e\u6e29\u5ea6\u4e0a\u6607\u3082\u6f0f\u308c\u306a\u304f\u8a18\u9332\u3057\u305f\u3044\u300d\u306e\u304b\u3092\u5206\u3051\u307e\u3059\u3002\u5f8c\u8005\u3067\u306f\u3001\u4fdd\u5b58\u5834\u6240\u3001\u6b20\u6e2c\u306e\u691c\u51fa\u3001\u518d\u53d6\u5f97\u3067\u304d\u308b\u5c65\u6b74\u306a\u3069\u3092\u5225\u9014\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5230\u7740\u9806\u5e8f\u3092\u76f4\u3059\u6a5f\u80fd\u3060\u3051\u3067\u3001\u3059\u3079\u3066\u306e\u51fa\u6765\u4e8b\u306e\u8a18\u9332\u307e\u3067\u4fdd\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u306a\u304a\u3001TCP\u306a\u3069\u306e\u4fe1\u983c\u6027\u306e\u3042\u308b\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u4e0a\u306eCoAP\u306f\u3001RFC 8323\u304c\u5225\u306b\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002TCP\u306f\u9806\u5e8f\u3092\u4fdd\u3064\u305f\u3081\u3001\u6210\u529f\u901a\u77e5\u306eObserve\u5024\u3092\u53d7\u4fe1\u5074\u3067\u306f\u7121\u8996\u3059\u308b\u898f\u5247\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u540c\u3058Observe\u3068\u3044\u3046\u540d\u524d\u3067\u3082\u3001UDP\u5411\u3051\u306e\u756a\u53f7\u6bd4\u8f03\u3092\u305d\u306e\u307e\u307e\u6301\u3061\u8fbc\u307e\u306a\u3044\u3088\u3046\u3001\u5b9f\u969b\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u3092\u78ba\u304b\u3081\u307e\u3059\u3002[4\u30017.1]<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc7641.html\">RFC 7641 \u2014 Observing Resources in the Constrained Application Protocol (CoAP)<\/a>\u3001K. Hartke\u30012015\u5e749\u6708\u30021.1\u20131.3\u30012\u30013.1\u20133.4\u30014.4\u3001\u56f31\u20132\u3092\u53c2\u7167\u30022026\u5e7410\u670826\u65e5JST\u306b\u516c\u5f0f\u60c5\u5831\u30da\u30fc\u30b8\u3067Proposed Standard\u3001RFC 8323\u306b\u3088\u308b\u66f4\u65b0\u3092\u78ba\u8a8d\u3002\u56f3\u3068\u53d7\u4fe1\u6642\u523b\u30fb\u6e29\u5ea6\u306e\u4f8b\u306f\u72ec\u81ea\u4f5c\u6210\u3002<\/li>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc1982.html\">RFC 1982 \u2014 Serial Number Arithmetic<\/a>\u3001R. Elz\u3001R. Bush\u30011996\u5e748\u6708\u30023.2\u306e\u6bd4\u8f03\u3068\u534a\u5468\u306e\u66d6\u6627\u3055\u3002<\/li>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc7252.html\">RFC 7252 \u2014 The Constrained Application Protocol (CoAP)<\/a>\u3001Z. Shelby\u307b\u304b\u30012014\u5e746\u6708\u30025.6.1\u306e\u9bae\u5ea6\u30e2\u30c7\u30eb\u3002\u672c\u7a3f\u306f\u57fa\u790e\u3068\u306a\u308bUDP\u4e0a\u306e\u901a\u4fe1\u3092\u5bfe\u8c61\u3068\u3057\u3001CoAP\u306e\u5168\u62e1\u5f35\u3092\u7db2\u7f85\u3057\u306a\u3044\u3002<\/li>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc8323.html\">RFC 8323 \u2014 CoAP (Constrained Application Protocol) over TCP, TLS, and WebSockets<\/a>\u3001C. Bormann\u307b\u304b\u30012018\u5e742\u6708\u30027.1\u306e\u901a\u77e5\u9806\u5e8f\u306b\u95a2\u3059\u308b\u5909\u66f4\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u5ba4\u6e29\u3092\u9060\u9694\u3067\u8868\u793a\u3059\u308b\u3068\u304d\u3001\u4e00\u5b9a\u9593\u9694\u3067\u300c\u4eca\u306f\u4f55\u5ea6\u3067\u3059\u304b\u300d\u3068\u554f\u3044\u5408\u308f\u305b\u7d9a\u3051\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002CoAP\u306eObserve\u306f\u3001\u6700\u521d\u306b\u95a2\u5fc3\u306e\u3042\u308b\u60c5\u5831\u3092\u767b\u9332\u3057\u3001\u305d\u306e\u5f8c\u306e\u5909\u5316\u3092\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u77e5\u3089\u305b\u3066\u3082\u3089\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5c4a\u3044\u305f\u901a\u77e5\u3092\u9806 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1697,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[29],"tags":[347],"class_list":["post-1699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communications-networking","tag-coap"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-coap-observe-order-20261026-featured-0d07c0629649.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1699"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1699\/revisions"}],"predecessor-version":[{"id":1700,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1699\/revisions\/1700"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1697"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}