Fierce Network Broadband Nation Expo Broadband Nation Fierce Technology Events Advertise About Us Broadband Cloud Wireless Resources Fierce Events Podcasts Surveys Webinar Whitepaper Broadband Nation Learning Center Events Subscribe Broadband Cloud Wireless Resources Fierce Events Podcasts Surveys Webinar Whitepaper Broadband Nation Learning Center Events Subscribe Fierce Network Broadband Nation Expo Broadband Nation Fierce Technology Events Advertise About Us Wireless ECI total OTN solutions for global telcos Aug 11, 2008 12:00pm OTH, or optical transport hierarchy, is a new transport technology developed by the ITU for utilizing the experience and benefits of SONET/SDH and DWDM technologies