{"id":2715,"date":"2015-07-11T14:09:23","date_gmt":"2015-07-11T05:09:23","guid":{"rendered":"http:\/\/www.yamanaka.ics.keio.ac.jp\/?page_id=2715"},"modified":"2018-10-11T13:57:42","modified_gmt":"2018-10-11T04:57:42","slug":"action","status":"publish","type":"page","link":"https:\/\/www.yamanaka.ics.keio.ac.jp\/?page_id=2715","title":{"rendered":"ActiON"},"content":{"rendered":"<p>\u73fe\u5728\u306eFTTH\u3067\u306f\uff0cPON(Passive Optical Network)\u3068\u547c\u3070\u308c\u308b\u30d1\u30c3\u30b7\u30d6\u578b\u306e\u30a2\u30af\u30bb\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u7528\u3044\u3089\u308c\u3066\u3044\u308b\uff0ePON\u306f\uff0c\u5c40\u5074\u88c5\u7f6e\u3067\u3042\u308bOLT(Optical Line Terminal)\uff0c\u5149\u30b9\u30d7\u30ea\u30c3\u30bf\uff0c\u52a0\u5165\u8005\u5074\u88c5\u7f6e\u3067\u3042\u308bONU(Optical Network Unit)\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\uff0ePON\u306e\u5229\u70b9\u3068\u3057\u3066\uff0c\u5149\u30b9\u30d7\u30ea\u30c3\u30bf\u3068\u3044\u3046\u30d1\u30c3\u30b7\u30d6\u30c7\u30d0\u30a4\u30b9\u3092\u7528\u3044\u308b\u305f\u3081\uff0c\u4f4e\u30b3\u30b9\u30c8\uff0c\u96fb\u6e90\u4e0d\u8981\u3067\u3042\u308b\u3053\u3068\u304c\u6319\u3052\u3089\u308c\u308b\uff0e\u4e00\u65b9\u3067\uff0c\u5149\u30b9\u30d7\u30ea\u30c3\u30bf\u3067\u5149\u30d1\u30ef\u30fc\u304c\u5206\u5c90\u3059\u308b\u305f\u3081\uff0c1\u3064\u306eOLT\u306b\u5bfe\u3057\u3066\u53ce\u5bb9\u53ef\u80fd\u306a\u52a0\u5165\u8005\u6570\u3068\uff0c\u52a0\u5165\u8005\u307e\u3067\u306e\u6700\u5927\u8ddd\u96e2\u306f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u95a2\u4fc2\u306b\u306a\u308b\u3068\u3044\u3046\u70b9\u3068\uff0c\u5168\u3066\u306e\u5149\u4fe1\u53f7\u304c\u5168ONU\u306b\u5c4a\u304f\u305f\u3081\uff0c\u56de\u7dda\u79d8\u533f\u6027\u306b\u95a2\u3057\u3066\u3082\u539f\u7406\u7684\u9650\u754c\u304c\u3042\u308b\u3068\u3044\u3046\u554f\u984c\u70b9\u304c\u3042\u308b\uff0e<br \/>\n\u305d\u3053\u3067\u5c71\u4e2d\u7814\u7a76\u5ba4\u3067\u306f\uff0c\u5149\u30b9\u30a4\u30c3\u30c1\u3092\u7528\u3044\u305f\u30a2\u30af\u30c6\u30a3\u30d6\u578b\u306e\u65b0\u305f\u306a\u5149\u30a2\u30af\u30bb\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30afActiON(Active Optical Network)\u3092\u63d0\u6848\u3057\u3066\u3044\u308b\uff0eActiON\u3067\u306f\uff0c\u30b9\u30d7\u30ea\u30c3\u30bf\u306e\u4ee3\u308f\u308a\u306b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u6280\u8853\u3092\u7528\u3044\u308b\u3053\u3068\u3067\uff0c\u591a\u5206\u5c90\u5316\u3068\u4f1d\u9001\u8ddd\u96e2\u306e\u4f38\u9577\u3092\u53ef\u80fd\u306b\u3057\uff0c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u3092\u56f3\u308b\uff0e\u73fe\u5728\u6a19\u6e96\u5316\u304c\u9032\u3093\u3067\u3044\u308b10GE-PON\u3068\u4e92\u63db\u6027\u3092\u4fdd\u3061\u3064\u3064\uff0c\u53ce\u5bb9\u52a0\u5165\u8005128\uff0c\u6700\u5927\u4f1d\u9001\u8ddd\u96e240km\u3092\u76ee\u6307\u3059\uff0e<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2716\" src=\"http:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_1.png\" alt=\"acction_1\" width=\"600\" height=\"268\" srcset=\"https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_1.png 1073w, https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_1-300x134.png 300w, https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_1-768x343.png 768w, https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_1-1024x457.png 1024w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u5149\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\uff0c10nsec\u4ee5\u4e0b\u306e\u5207\u66ff\u901f\u5ea6\u3092\u9054\u6210\u3059\u308bPLZT(Plomb Lanthanum Zirconate Titanate)\u5149\u30b9\u30a4\u30c3\u30c1\u306e\u5229\u7528\u3092\u60f3\u5b9a\u3057\uff0c\u30c7\u30fc\u30bf\u9001\u4fe1\u65b9\u5f0f\u3068\u3057\u3066\u5f93\u6765\u304b\u3089\u63d0\u6848\u3057\u3066\u3044\u308b\u5149\u30b9\u30ed\u30c3\u30c8\u4ea4\u63dbOSS(Optical Slot Switching)\u6280\u8853\u3092\u5229\u7528\u3059\u308b\uff0eOSS\u3067\u306f\uff0c\u30b9\u30ed\u30c3\u30c8\u3068\u547c\u3070\u308c\u308b\u56fa\u5b9a\u9577\u306e\u6642\u9593\u5358\u4f4d\u3067\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u884c\u3044\uff0c\u8907\u6570\u306e\u30b9\u30ed\u30c3\u30c8\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u5468\u671f\u7684\u306a\u30b5\u30a4\u30af\u30eb\u3068\u3044\u3046\u5358\u4f4d\u3067\u5149\u30b9\u30a4\u30c3\u30c1\u3092\u5236\u5fa1\u3059\u308b\uff0e\u4e88\u7d04\u3057\u305f\u30b9\u30ed\u30c3\u30c8\u6642\u9593\u3067\u306f\u5168\u5e2f\u57df\u3092\u5229\u7528\u3067\u304d\u308b\u305f\u3081\uff0c\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u5165\u308c\uff0c\u30c8\u30e9\u30f3\u30b9\u30da\u30a2\u30ec\u30f3\u30c8\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308b\uff0e<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2717\" src=\"http:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_2.jpg\" alt=\"acction_2\" width=\"600\" height=\"264\" srcset=\"https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_2.jpg 1408w, https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_2-300x132.jpg 300w, https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_2-768x338.jpg 768w, https:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_2-1024x450.jpg 1024w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2>\u7814\u7a76\u7d39\u4ecb<\/h2>\n<p>ActiON\u3067\u306f\uff0c\u5149\u30b9\u30a4\u30c3\u30c1\u3068\u3044\u3046\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30d0\u30a4\u30b9\u3092\u7528\u3044\u308b\u3053\u3068\u306b\u3088\u308a\u96fb\u6e90\u304c\u5fc5\u8981\u3068\u306a\u308b\u70b9\u3084\uff0c\u5404ONU \u3078\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u9001\u4fe1\u304c\u4f7f\u3048\u306a\u304f\u306a\u308b\u305f\u3081\uff0cONU\u306e\u767a\u898b(Discovery)\u3084\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u3069\u306e\u3088\u3046\u306b\u884c\u3046\u304b\u8ab2\u984c\u304c\u3042\u308b\uff0e<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2718\" src=\"http:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_3.jpg\" alt=\"acction_3\" width=\"500\" height=\"552\" \/><\/p>\n<p><strong>Discovery<\/strong><br \/>\nActiON\u3067\u306f\uff0cBroadcast\u3092\u7528\u3044\u305a\u306bDiscovery\u3092\u5b9f\u73fe\u3059\u308b\u624b\u6cd5\u3068\u3057\u3066\uff0c\u5468\u671f\u7684\u306a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u306e\u8a2d\u5b9a\u3068ONU \u304b\u3089\u306eRegister Request\u9023\u7d9a\u9001\u4fe1\u306b\u3088\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u306e\u628a\u63e1\u65b9\u5f0f\u3092\u63d0\u6848\u3059\u308b\uff0e\u5149\u30b9\u30a4\u30c3\u30c1\u3092\u5b9a\u671f\u7684\u306b\u3042\u308b\u653e\u8def\u306b\u5207\u308a\u66ff\u3048\u308b\u6642\u9593\u3068\u3057\u3066\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\uff0c\u3053\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u3092\u7528\u3044\u3066\uff0cDiscovery\u51e6\u7406\u3092\u884c\u306a\u3046\uff0e<br \/>\n\u56f3\u306bActiON\u306b\u304a\u3051\u308bDiscovery\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u793a\u3059\uff0eOLT\u306f\uff0c\u521d\u671f\u72b6\u614b\u306b\u304a\u3044\u3066\uff0cONU\u3068\u306e\u8ddd\u96e2\uff0c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u306e\u4f4d\u7f6e\u304c\u5206\u304b\u3089\u306a\u3044\u305f\u3081\uff0cONU\u304b\u3089\u306eRegister Request\u306e\u9023\u7d9a\u9001\u4fe1\u306b\u3088\u308a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u3092\u901a\u904e\u3057\u305f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u5229\u7528\u3057\u3066\uff0cONU\u3068\u306e\u8ddd\u96e2\uff0c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b9\u30ed\u30c3\u30c8\u306e\u4f4d\u7f6e\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308b\uff0e<\/p>\n<p><strong>TCP\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306aActiON<\/strong><br \/>\nActiON\u3067\u306f\uff0c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5229\u7528\u3055\u308c\u308b\u6a19\u6e96\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308bTCP\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e\u3057\uff0c\u5404\u30e6\u30fc\u30b6\u306e\u69d8\u3005\u306a\u30c8\u30e9\u30d2\u30c3\u30af\u8981\u6c42\u3078\u306e\u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u306a\u5bfe\u5fdc\u3092\u56f3\u308b\uff0eTCP\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u5e2f\u57df\u5229\u7528\u52b9\u7387\u3068\u30b9\u30a4\u30c3\u30c1\u5236\u5fa1\u306b\u304a\u3051\u308bCycle(s)\u306e\u95a2\u4fc2\u3092\u56f3\u306b\u793a\u3059\uff0eTCP\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u5e2f\u57df\u5229\u7528\u52b9\u7387\u309290%\u4ee5\u4e0a\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u306f\uff0cCycle\u30920.14s\u4ee5\u4e0b\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2719\" src=\"http:\/\/www.yamanaka.ics.keio.ac.jp\/wp-content\/uploads\/2015\/07\/acction_4.png\" alt=\"acction_4\" width=\"600\" height=\"552\" \/><\/p>\n<h2>\u7814\u7a76\u696d\u7e3e<\/h2>\n<ul>\n<li>\u5fb3\u6a4b\u548c\u5c06, \u83ca\u7530 \u6d38, \u77f3\u4e95\u5927\u4ecb, \u8352\u5ddd\u8c4a, \u5ca1\u672c \u8061, \u5c71\u4e2d\u76f4\u660e, &#8220;\u30a2\u30af\u30c6\u30a3\u30d6\u5149\u30b9\u30a4\u30c3\u30c1\u3092\u7528\u3044\u305f\u5149\u30a2\u30af\u30bb\u30b9\u7db2\u306e\u4e00\u691c\u8a0e,&#8221; \u96fb\u5b50\u60c5\u5831\u901a\u4fe1\u5b66\u4f1a\u6280\u8853\u7814\u7a76\u5831\u544a, Vol. 2008-22, pp. 49-53, August 2008.<\/li>\n<li>\u82a6\u6ca2\u570b\u6b63, \u5fb3\u6a4b\u548c\u5c06, \u83ca\u7530\u6d38, \u77f3\u4e95\u5927\u4ecb, \u8352\u5ddd\u8c4a, \u5ca1\u672c\u8061, \u5c71\u4e2d\u76f4\u660e, &#8220;\u30a2\u30af\u30c6\u30a3\u30d6\u5149\u30a2\u30af\u30bb\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bTCP\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u8003\u616e\u3057\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u8a2d\u8a08\u304a\u3088\u3073\u52d5\u7684\u30b9\u30ed\u30c3\u30c8\u5272\u5f53,&#8221; \u96fb\u5b50\u60c5\u5831\u901a\u4fe1\u5b66\u4f1a\u6280\u8853\u7814\u7a76\u5831\u544a, Vol. 108, No. 476, pp. pp. 7-12, March 2009.<\/li>\n<li>\u82a6\u6ca2\u570b\u6b63, \u5fb3\u6a4b\u548c\u5c06, \u83ca\u7530\u6d38, \u77f3\u4e95\u5927\u4ecb, \u8352\u5ddd\u8c4a, \u5ca1\u672c\u8061, \u5c71\u4e2d\u76f4\u660e, &#8220;\u30a2\u30af\u30c6\u30a3\u30d6\u5149\u30a2\u30af\u30bb\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(ActiON)\u306e\u30b9\u30ed\u30c3\u30c8\u5272\u5f53\u65b9\u5f0f\u306b\u304a\u3051\u308b\u7814\u7a76\u8ab2\u984c,&#8221; PN\u7814\u7a76\u4f1a\u5b66\u751f\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7, March 2009<\/li>\n<\/ul>\n<p><\/p>\n\n<div class=\"twitter-share\"><a href=\"https:\/\/twitter.com\/intent\/tweet\" class=\"twitter-share-button\">\u30c4\u30a4\u30fc\u30c8<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u73fe\u5728\u306eFTTH\u3067\u306f\uff0cPON(Passive Optical Network)\u3068\u547c\u3070\u308c\u308b\u30d1\u30c3\u30b7\u30d6\u578b\u306e\u30a2\u30af\u30bb\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u7528\u3044\u3089\u308c\u3066\u3044\u308b\uff0ePON\u306f\uff0c\u5c40\u5074\u88c5\u7f6e\u3067\u3042\u308bOLT(Optical Line Terminal)\uff0c\u5149\u30b9\u30d7 &hellip; <a href=\"https:\/\/www.yamanaka.ics.keio.ac.jp\/?page_id=2715\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">ActiON<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2468,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"two_page_speed":[],"footnotes":""},"class_list":["post-2715","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/2715","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2715"}],"version-history":[{"count":2,"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/2715\/revisions"}],"predecessor-version":[{"id":5254,"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/2715\/revisions\/5254"}],"up":[{"embeddable":true,"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/2468"}],"wp:attachment":[{"href":"https:\/\/www.yamanaka.ics.keio.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}