{"id":79444,"date":"2022-10-19T15:23:19","date_gmt":"2022-10-19T07:23:19","guid":{"rendered":"https:\/\/lightwavelink.com.tw\/2022\/12\/16\/wdm-otn-protection\/"},"modified":"2022-12-16T15:40:26","modified_gmt":"2022-12-16T07:40:26","slug":"wdm-otn-protection","status":"publish","type":"post","link":"https:\/\/lightwavelink.com.tw\/en\/2022\/10\/19\/wdm-otn-protection\/","title":{"rendered":"WDM \/ OTN Protection"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"79444\" class=\"elementor elementor-79444 elementor-78552\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-606223a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"606223a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-780d11b\" data-id=\"780d11b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e1b02a elementor-widget elementor-widget-heading\" data-id=\"4e1b02a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">WDM \/ OTN Protection<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca965ff elementor-widget elementor-widget-spacer\" data-id=\"ca965ff\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63a577c elementor-widget elementor-widget-text-editor\" data-id=\"63a577c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"p1\">Optical Transport Network (OTN): Linear Protection<\/p>\n<p class=\"p1\">ITU-T G.873.1<\/p>\n<p class=\"p1\">This Recommendation defines the APS protocol and protection switching operation for the linear protection schemes for the Optical Transport Network.<\/p>\n<p class=\"p1\">Protection switching will occur based on the detection of certain defects on the transport entities (working and protection) within the protected domain. How these defects are detected is the subject of the equipment Recommendations (e.g., ITU-T Recs G.806 and G.798).<\/p>\n<p class=\"p1\">The following architectures are possible:<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2426f8 elementor-widget elementor-widget-spacer\" data-id=\"f2426f8\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50fd828 elementor-widget elementor-widget-heading\" data-id=\"50fd828\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1+1<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04ad3de elementor-widget elementor-widget-spacer\" data-id=\"04ad3de\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-240a021 elementor-widget elementor-widget-text-editor\" data-id=\"240a021\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"p2\">1+1 \u2013 In a 1+1 architecture, a single normal traffic signal is protected by a single protection entity.<\/p>\n<p class=\"p2\">The bridge at the head end is permanent. Switching occurs entirely at the tail end.<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4beb7f5 elementor-widget elementor-widget-spacer\" data-id=\"4beb7f5\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-417d0b4 elementor-widget elementor-widget-heading\" data-id=\"417d0b4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1:N<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08989b5 elementor-widget elementor-widget-spacer\" data-id=\"08989b5\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4123a74 elementor-widget elementor-widget-text-editor\" data-id=\"4123a74\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"p2\">1:N \u2013 In a 1:n architecture, 1 or more normal traffic signal(s) are protected by a single protection entity. The bridge at the head end is not established until a protection switch is required. In the case where n &gt; 1, it cannot be known until a defect is detected on one of the protected signals even which of the normal traffic signals should be bridged onto the protection entity.<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6b37dd9 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b37dd9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf9ff4c\" data-id=\"cf9ff4c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-37cb0d2 elementor-widget elementor-widget-image\" data-id=\"37cb0d2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1647\" height=\"1171\" src=\"https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01.jpg\" class=\"attachment-full size-full wp-image-78566\" alt=\"\" srcset=\"https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01.jpg 1647w, https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01-300x213.jpg 300w, https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01-1024x728.jpg 1024w, https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01-768x546.jpg 768w, https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01-1536x1092.jpg 1536w, https:\/\/lightwavelink.com.tw\/wp-content\/uploads\/2022\/10\/150dpi_application-03-02-01-1200x853.jpg 1200w\" sizes=\"(max-width: 1647px) 100vw, 1647px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3d49c7 elementor-widget elementor-widget-spacer\" data-id=\"c3d49c7\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Optical Transport Network (OTN): Linear Protection ITU-T G.873.1 &#8211; This Recommendation defines the APS protocol and protection switching operation for the linear protection schemes for the Optical Transport Network. Protection switching will occur based on &#8230;<\/p>\n","protected":false},"author":1,"featured_media":78562,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[364],"tags":[366],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WDM \/ OTN Protection - \u5149\u7e96\u958b\u95dc\u5207\u63db\u5668\u88fd\u9020\u5ee0\u3001\u4f9b\u61c9\u5546 - \u6771\u76c8\u5149\u96fb\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lightwavelink.com.tw\/en\/2022\/10\/19\/wdm-otn-protection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WDM \/ OTN Protection - \u5149\u7e96\u958b\u95dc\u5207\u63db\u5668\u88fd\u9020\u5ee0\u3001\u4f9b\u61c9\u5546 - \u6771\u76c8\u5149\u96fb\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\" \/>\n<meta property=\"og:description\" content=\"Optical Transport Network (OTN): Linear Protection ITU-T G.873.1 - This Recommendation defines the APS protocol and protection switching operation for the linear protection schemes for the Optical Transport Network. 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