{"id":479224,"date":"2023-08-09T10:32:55","date_gmt":"2023-08-09T10:32:55","guid":{"rendered":""},"modified":"2023-09-05T11:18:24","modified_gmt":"2023-09-05T11:18:24","slug":"synchronous-optical-networking","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/synchronous-optical-networking\/","title":{"rendered":"\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af"},"content":{"rendered":"<p>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (SONET) \u306f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u305f\u9ad8\u901f\u30c7\u30fc\u30bf\u4f1d\u9001\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u6a19\u6e96\u3067\u3059\u3002SONET \u306f\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6b63\u78ba\u306a\u540c\u671f\u3067\u4f1d\u9001\u3059\u308b\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u52b9\u7387\u7684\u306a\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002SONET \u306f\u3001\u591a\u304f\u306e\u6700\u65b0\u306e\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u76e4\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>SONET \u306e\u958b\u767a\u306f\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u304c\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u30c7\u30fc\u30bf\u3092\u4f1d\u9001\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u65b9\u6cd5\u306e\u5fc5\u8981\u6027\u3092\u8a8d\u8b58\u3057\u305f 1980 \u5e74\u4ee3\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u30021984 \u5e74\u3001\u7c73\u56fd\u898f\u683c\u5354\u4f1a (ANSI) \u306f\u540c\u671f\u5149\u901a\u4fe1\u306e\u6a19\u6e96\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u59d4\u54e1\u4f1a\u3092\u8a2d\u7acb\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u53d6\u308a\u7d44\u307f\u306e\u7d50\u679c\u3001SONET \u6a19\u6e96\u304c\u751f\u307e\u308c\u30011988 \u5e74\u306b\u6b63\u5f0f\u306b\u6a19\u6e96\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>SONET \u306f\u3001\u9577\u8ddd\u96e2\u306b\u308f\u305f\u308b\u9ad8\u901f\u30c7\u30fc\u30bf\u4f1d\u9001\u306e\u8907\u96d1\u3055\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u540c\u671f\u6642\u5206\u5272\u591a\u91cd (TDM) \u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf \u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u5358\u4e00\u306e\u5149\u30c1\u30e3\u30cd\u30eb\u3067\u591a\u91cd\u5316\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7570\u306a\u308b\u30bd\u30fc\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u304c\u8abf\u6574\u3055\u308c\u3001\u540c\u671f\u3055\u308c\u305f\u72b6\u614b\u3067\u4f1d\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>SONET \u306e\u30b3\u30a2\u539f\u7406\u306f\u3001\u305d\u308c\u305e\u308c\u304c\u7279\u5b9a\u306e\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u5149\u30ad\u30e3\u30ea\u30a2 (OC) \u30ec\u30d9\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3089\u306e OC \u30ec\u30d9\u30eb\u306f\u6a19\u6e96\u5316\u3055\u308c\u3066\u304a\u308a\u3001OC-3 (155.52 Mbps)\u3001OC-12 (622.08 Mbps)\u3001OC-48 (2.488 Gbps)\u3001OC-192 (9.953 Gbps) \u306a\u3069\u306e\u4f1d\u9001\u901f\u5ea6\u304c\u4e8b\u524d\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e OC \u30ec\u30d9\u30eb\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30aa\u30da\u30ec\u30fc\u30bf\u306f\u30c7\u30fc\u30bf\u9700\u8981\u306e\u5897\u52a0\u306b\u5fdc\u3058\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5185\u90e8\u69cb\u9020 - SONET \u306e\u4ed5\u7d44\u307f<\/h2>\n<p>SONET \u306f\u3001\u4fe1\u983c\u6027\u3068\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u968e\u5c64\u69cb\u9020\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002SONET \u306e\u57fa\u672c\u7684\u306a\u69cb\u6210\u8981\u7d20\u306f\u3001\u7279\u5b9a\u306e OC \u30ec\u30d9\u30eb\u306b\u5bfe\u5fdc\u3059\u308b\u540c\u671f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u4fe1\u53f7 (STS) \u3067\u3059\u3002\u5404 STS \u306f\u3001\u30c7\u30fc\u30bf\u3068\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u60c5\u5831\u3092\u542b\u3080\u8907\u6570\u306e\u540c\u671f\u30da\u30a4\u30ed\u30fc\u30c9 \u30a8\u30f3\u30d9\u30ed\u30fc\u30d7 (SPE) \u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u60c5\u5831\u306f\u3001SONET \u306e\u52d5\u4f5c\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u60c5\u5831\u306b\u306f\u3001\u7ba1\u7406\u3001\u30a8\u30e9\u30fc \u30c1\u30a7\u30c3\u30af\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u8996\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u9001\u4fe1\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u54c1\u8cea\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001STS \u304c\u591a\u91cd\u5316\u3055\u308c\u3066\u3088\u308a\u9ad8\u30ec\u30d9\u30eb\u306e SONET \u30d5\u30ec\u30fc\u30e0\u304c\u5f62\u6210\u3055\u308c\u3001\u67d4\u8edf\u3067\u5805\u7262\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u304c\u69cb\u7bc9\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>SONET \u306f\u3001\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6700\u9069\u306a\u9078\u629e\u80a2\u3068\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u9ad8\u3044\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8:<\/strong> SONET \u306f\u3001\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u304c\u307e\u3059\u307e\u3059\u9ad8\u307e\u308b\u3055\u307e\u3056\u307e\u306a OC \u30ec\u30d9\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30c7\u30fc\u30bf\u96c6\u7d04\u578b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5897\u5927\u3059\u308b\u9700\u8981\u306b\u5fdc\u3048\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u540c\u671f:<\/strong> SONET \u306e\u540c\u671f\u6027\u306b\u3088\u308a\u3001\u97f3\u58f0\u3084\u30d3\u30c7\u30aa\u306a\u3069\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u6b63\u78ba\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u540c\u671f\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a9\u30fc\u30eb\u30c8\u30c8\u30ec\u30e9\u30f3\u30b9:<\/strong> SONET \u306e\u968e\u5c64\u69cb\u9020\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u3092\u8fc5\u901f\u306b\u691c\u51fa\u3057\u3066\u56de\u5fa9\u3067\u304d\u308b\u305f\u3081\u3001\u9ad8\u3044\u4fe1\u983c\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3:<\/strong> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u3001\u5897\u52a0\u3059\u308b\u30c7\u30fc\u30bf \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001\u7c21\u5358\u306b\u3088\u308a\u9ad8\u3044 OC \u30ec\u30d9\u30eb\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76f8\u4e92\u904b\u7528\u6027:<\/strong> SONET \u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c6\u30af\u30ce\u30ed\u30b8\u3068\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u7d71\u5408\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7a2e\u985e<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u4e00\u822c\u7684\u306a SONET \u5149\u30ad\u30e3\u30ea\u30a2 (OC) \u30ec\u30d9\u30eb\u3068\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>OC\u30ec\u30d9\u30eb<\/th>\n<th>\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8 (Mbps)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>OC-3<\/td>\n<td>155.52<\/td>\n<\/tr>\n<tr>\n<td>OC-12<\/td>\n<td>622.08<\/td>\n<\/tr>\n<tr>\n<td>OC-48<\/td>\n<td>2,488<\/td>\n<\/tr>\n<tr>\n<td>OC-192<\/td>\n<td>9,953<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>SONET \u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af:<\/strong> SONET \u306f\u73fe\u4ee3\u306e\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3092\u5f62\u6210\u3057\u3001\u4ea4\u63db\u5c40\u3068\u4e2d\u592e\u5c40\u9593\u306e\u9ad8\u901f\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc:<\/strong> ISP \u306f SONET \u3092\u4f7f\u7528\u3057\u3066\u30b3\u30a2 \u30eb\u30fc\u30bf\u30fc\u3068\u30c7\u30fc\u30bf \u30bb\u30f3\u30bf\u30fc\u3092\u63a5\u7d9a\u3057\u3001\u30a8\u30f3\u30c9 \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u914d\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30cd\u30c3\u30c8\u30ef\u30fc\u30af:<\/strong> \u5927\u4f01\u696d\u306f SONET \u3092\u5229\u7528\u3057\u3066\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u30aa\u30d5\u30a3\u30b9\u3092\u76f8\u4e92\u63a5\u7d9a\u3057\u3001\u901a\u4fe1\u3068\u30c7\u30fc\u30bf\u5171\u6709\u3092\u5f37\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>SONET \u306b\u306f\u5229\u70b9\u304c\u3042\u308b\u3082\u306e\u306e\u3001\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u306e\u5897\u52a0\u3068\u6280\u8853\u306e\u9032\u6b69\u306b\u3088\u308a\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3057\u305f\u3002\u30c7\u30fc\u30bf\u9700\u8981\u304c\u6025\u5897\u3059\u308b\u306b\u3064\u308c\u3001SONET \u306f\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u9762\u3067\u9650\u754c\u306b\u9054\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u540c\u671f\u30c7\u30b8\u30bf\u30eb\u968e\u5c64 (SDH) \u3084\u5149\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (OTN) \u306a\u3069\u306e\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6280\u8853\u304c\u958b\u767a\u3055\u308c\u3001\u5bb9\u91cf\u306e\u5897\u52a0\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u304c\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>\u4ee5\u4e0b\u306f\u3001SONET \u3068 SDH \u3084 OTN \u306a\u3069\u306e\u985e\u4f3c\u7528\u8a9e\u306e\u6bd4\u8f03\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u30bd\u30cd\u30c3\u30c8<\/th>\n<th>\uff33\uff24\uff28<\/th>\n<th>OTTN<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u540c\u671f<\/strong><\/td>\n<td>\u540c\u671f<\/td>\n<td>\u540c\u671f<\/td>\n<td>\u540c\u671f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8 (Gbps)<\/strong><\/td>\n<td>OC-768\u307e\u3067<\/td>\n<td>STM-256\u307e\u3067<\/td>\n<td>OTU-4\u307e\u3067<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u69cb\u9020<\/strong><\/td>\n<td>\u8907\u96d1\u306a<\/td>\n<td>\u8907\u96d1\u306a<\/td>\n<td>\u7c21\u7565\u5316<\/td>\n<\/tr>\n<tr>\n<td><strong>\u67d4\u8edf\u6027<\/strong><\/td>\n<td>\u9650\u5b9a<\/td>\n<td>\u9650\u5b9a<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77<\/strong><\/td>\n<td>\u30ea\u30f3\u30b0\/\u30ea\u30cb\u30a2<\/td>\n<td>\u30ea\u30f3\u30b0\/\u30ea\u30cb\u30a2<\/td>\n<td>\u30ea\u30f3\u30b0\/\u30ea\u30cb\u30a2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u53ef\u80fd\u6027<\/strong><\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001\u7126\u70b9\u306f OTN \u306a\u3069\u306e\u3088\u308a\u9ad8\u5ea6\u306a\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3078\u3068\u79fb\u3063\u3066\u3044\u307e\u3059\u3002OTN \u306f\u3001\u3088\u308a\u9ad8\u3044\u5bb9\u91cf\u3001\u6539\u5584\u3055\u308c\u305f\u67d4\u8edf\u6027\u3001\u304a\u3088\u3073\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073 IP \u30d9\u30fc\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306e\u3088\u308a\u512a\u308c\u305f\u7d71\u5408\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30aa\u30da\u30ec\u30fc\u30bf\u306f\u3001\u62e1\u5927\u3057\u7d9a\u3051\u308b\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u306e\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u3001\u5f90\u3005\u306b SONET \u304b\u3089 OTN \u306b\u79fb\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306f\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002SONET \u307e\u305f\u306f OTN \u306a\u3069\u306e\u9ad8\u5ea6\u306a\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u9023\u643a\u3059\u308b\u3068\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u5f85\u3061\u6642\u9593\u3092\u6e1b\u3089\u3057\u3001\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304a\u3088\u3073\u691c\u67fb\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3055\u3089\u306b\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/webstore.ansi.org\/Standards\/ATIS\/ATIST1105\" target=\"_new\" rel=\"noopener nofollow\">ANSI T1.105: \u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (SONET) \u2013 \u591a\u91cd\u5316\u69cb\u9020\u3001\u901f\u5ea6\u3001\u304a\u3088\u3073\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u542b\u3080\u57fa\u672c\u8aac\u660e<\/a><\/li>\n<li><a href=\"https:\/\/www.itu.int\/rec\/T-REC-G.707\" target=\"_new\" rel=\"noopener nofollow\">ITU-T\u52e7\u544aG.707:\u540c\u671f\u30c7\u30b8\u30bf\u30eb\u968e\u5c64(SDH)\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ce\u30fc\u30c9\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/a><\/li>\n<li><a href=\"https:\/\/www.itu.int\/rec\/T-REC-G.709\" target=\"_new\" rel=\"noopener nofollow\">ITU-T\u52e7\u544aG.709:\u5149\u4f1d\u9001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(OTN)\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u9ad8\u901f\u30c7\u30fc\u30bf\u4f1d\u9001\u306e\u9032\u5316\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u306a\u6280\u8853\u3067\u3059\u3002\u540c\u671f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u73fe\u4ee3\u306e\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u790e\u3092\u7bc9\u304d\u307e\u3057\u305f\u304c\u3001\u307e\u3059\u307e\u3059\u30c7\u30fc\u30bf\u4e3b\u5c0e\u306e\u4e16\u754c\u306e\u8ab2\u984c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b OTN \u306a\u3069\u306e\u6280\u8853\u304c\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u3088\u308a\u9ad8\u3044\u30c7\u30fc\u30bf \u30ec\u30fc\u30c8\u3068\u67d4\u8edf\u6027\u306b\u5bfe\u3059\u308b\u9700\u8981\u304c\u7d9a\u304f\u4e2d\u3001SONET \u306e\u907a\u7523\u306f\u5149\u901a\u4fe1\u306e\u9032\u6b69\u306e\u9818\u57df\u3067\u751f\u304d\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<\/p>","protected":false},"featured_media":479225,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479224","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Synchronous Optical Networking: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Synchronous Optical Networking (SONET)?","answer":"<p>Synchronous Optical Networking (SONET) is a widely used standard for high-speed data transmission over optical fiber networks. It ensures reliable and efficient communication with precise synchronization, serving as the backbone for modern telecommunication networks.<\/p>"},{"question":"How did SONET originate, and when was it standardized?","answer":"<p>SONET's development began in the 1980s when there was a need for a standardized method to transmit data over optical fibers. In 1984, the American National Standards Institute (ANSI) formed a committee to create the SONET standard, which was officially standardized in 1988.<\/p>"},{"question":"How does SONET work, and what are its core features?","answer":"<p>SONET uses a synchronous time-division multiplexing (TDM) technique, where multiple data streams are multiplexed together over a single optical channel. It employs Optical Carrier (OC) levels with specific data rates, allowing for scalability as data demands increase. SONET's hierarchical structure ensures fault tolerance and reliable data transmission. It also offers precise synchronization, critical for real-time applications.<\/p>"},{"question":"What are the types of SONET, and what data rates do they offer?","answer":"<p>SONET comes in various Optical Carrier (OC) levels, each providing different data rates. Common examples include OC-3 (155.52 Mbps), OC-12 (622.08 Mbps), OC-48 (2.488 Gbps), and OC-192 (9.953 Gbps).<\/p>"},{"question":"What are the main applications of SONET?","answer":"<p>SONET serves as the foundation for telecommunication networks, enabling high-speed data transfer between exchanges and central offices. It is also widely used by ISPs to connect core routers and data centers, and by enterprises to interconnect geographically dispersed offices.<\/p>"},{"question":"How does SONET compare with similar technologies like SDH and OTN?","answer":"<p>SONET and Synchronous Digital Hierarchy (SDH) are similar technologies with differences in their geographic usage, but both offer synchronous communication. Optical Transport Network (OTN), on the other hand, provides higher capacity, better flexibility, and seamless integration with Ethernet and IP-based networks.<\/p>"},{"question":"What does the future hold for SONET?","answer":"<p>While SONET has been a vital technology, advanced optical networks like OTN are becoming more prevalent due to higher capacities and increased flexibility. As technology continues to evolve, the transition from SONET to OTN is expected to continue.<\/p>"},{"question":"How can proxy servers enhance Synchronous Optical Networking?","answer":"<p>Proxy servers can optimize SONET's performance by caching frequently accessed content, reducing latency, and optimizing bandwidth usage. Additionally, they add an extra layer of security by acting as intermediaries between clients and servers, filtering and inspecting network traffic for improved protection.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/479224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/479224\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/479225"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=479224"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}