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Of the ISSN 1948-3031 Industry ISSN 1948-3031 Submarine Telecoms Forum Is Published Bimonthly by WFN Strategies 57 M a y Voice 2011 of the ISSN 1948-3031 Industry ISSN 1948-3031 Submarine Telecoms Forum is published bimonthly by WFN Strategies. The publication may not be reproduced or transmitted in any form, in whole or in part, had a glass of wine the other day domestic and international RSS feeds, without the permission of the publishers. at Covent Garden with a business facebook profile and requisite 300 daily Submarine Telecoms Forum is an customer and friend. emails. One more platform may put me independent com mercial publication, I in overload! serving as a freely accessible forum for He had recently procured an Apple professionals in industries connected with submarine optical fibre technologies and iPhone, and was telling me about all the But I sure am happy the boys in the techniques. neat things he could now do on the fly; my backroom got that one covered. And Liability: while every care is taken in Android seemed to pale in comparison. maybe the next time someone mentions preparation of this publication, the Twitter or some other cool medium I'll look publishers cannot be held responsible for He then mentioned how, at the behest of the accuracy of the information herein, or a little more composed and sure-footed. any errors which may occur in advertising one of his children, he had added Twitter or editorial content, or any consequence to his applications, but had spent a fair arising from any errors or omissions. amount of time trying to find areas of The publisher cannot be held responsible real interest. The social nature of the for any views expressed by contributors, and the editor reserves the right to edit any system didn't really excite him. One day advertising or editorial material submitted he searched, "s u b m a r i n e c a b l e s," for publication. and was surprised when SubTel Forum's Contributions are welcomed. Please Twitter feed came up. forward to the Managing Editor: "It's brilliant," he confided. "I can keep up PUBLISHER on things without really working." Wayne Nielsen Tel: +[1] 703 444 2527 I tried my best not to look surprised, but Email: [email protected] probably failed. All I could utter was that I preferred RSS feeds tied to my laptop, EDITOR and that was where I got most of my info. Kevin G. Summers Truth be told, I forgot that the guys had Tel: +[1] 703 468 0554 developed the Twitter feed. I don't even Email: [email protected] have a Twitter account and don't plan to. I am currently "managing" my various 2 Copyright © 2011 WFN Strategies In This Issue... Exordium 2 Indonesia’s 2008 Shipping Law: 28 Verizon’s Asia-Pacific Mesh 42 Wayne Nielsen Unintended Harms to Network Performs as Designed Undersea Cable Installation During Multiple Submarine News Now 4 and Maintenance Kent Bressie Cable Disruptions after & Madeleine Findley Devastating Japan Earthquake Subsea Capacity Analytics 7 Steve Misencik & Yali Z. Liu Book Review: Marconi - The 33 The Benefits of Remotely 8 Story of the Race to Control Conferences 46 Operated OTDRs For Long-Distance Wireless Submarine Cable Deployment, Kevin G. Summers A Funny Thing Happened... 47 Fiber Monitoring and Restoration Olivier Plomteux The Long-Awaited 35 Letter to a Friend 48 Connectivity in Japan, the Jean Devos 2011 SubTel Forum Awards 15 first Submarine Cable to the The Nominees Ogasawara Islands Advertiser Index 49 Motoyoshi Tokioka Survivable Submarine Optical 23 Coda 50 Networks Chuck Kaplan Back Reflection 39 Kevin G. Summers Stewart Ash & Kaori Shikinaka 3 News Now ACE-Sierra Leone okays $31m loan Caucasus Online And SubCom To GlobeNet Offers Financial Markets for fibre optic cable Upgrade Caucasus Undersea Fiber The Lowest Latency Express Route Optic Cable System Between The Americas Alaska Communications Systems Group, Inc Downgraded by Dhiraagu to link Maldives with GlobeNet’s Submarine Fiber Optic Zacks Investment Research to submarine cable network Cable System Upgrade Is Now "Underperform" Complete EASSy upgraded to 4.72Tbps Alcatel-Lucent barred in Malaysia Hibernia Atlantic Adds Tokyo to FET subsidiary, Pacnet to cooperate Low-Latency Global Financial Alcatel-Lucent’s and Louis Dreyfus on submarine cable connectivity, IDC Network (GFN) Platform Hibernia Armateurs’ cable ship chartered to Fiber-Optic Transatlantic Cable Atlantic extends its Global Financial recover debris of the Airbus A330 of Could Save Milliseconds, Millions by Network (GFN) into Tokyo the AF447 flight Speeding Data to Stock Traders IHC Engineering Business to supply ASC International and Alcatel-Lucent Fibre-optic link drawcard for Coast Launch and Recovery System to to rollout 4,800km submarine cable Canyon Offshore system GBI fibre optic cable lands at Vodafone station Interoute comments on Ed Vaizey’s BIMP-EAGA Eyes Alternate net neutrality summit Submarine Cable Link Geo Networks announces partnership with EirGrid to deliver its second Interoute comments on Level 3’s Business growth leads to new Anglo-Irish fibre route Purchase of Global Crossing Cambridge office for OMM Interoute’s Cloud powers Group to OTEGLOBE more than doubles the SMD Wins Queen’s Award For profitability capacity provided to Turk Telekom Outstanding Innovation for its international connectivity Japan: Quake damage to cables Snipped Fiber Cables, Whether greater than thought Pacific Fibre appoints Bank and Accidental or Intentional, Require Investment Banks Backup Plan Level 3 to acquire Global Crossing for $2 billion Pacific Fibre Invites Tenders for N.Z. South-East Asia Japan Cable (SJC) Undersea Cable Project System Consortium Contracts with Main One, SEACOM Join Forces to SubCom and NEC as Suppliers Offer Capacity Between Nigeria and Pacific Island’s Vanuatu to join South Africa Immediately the world’s optical fibre Internet SubCom Successfully Demonstrates backbone New 4-Port Branching Unit MedNautilus, TI Sparkle launch Turkey submarine cable Pacnet to Enhance Connectivity to Taiwain’s First submarine cable India through New Partnership installed for earthquake prevention Microsoft to buy Skype for $8.5 billion Plessey to invest millions in Africa Tata Global Network-Gulf sea cable MTN Ghana to unveil WACs cable lands in Oman Friday Rwanda completes $95 mln fibre optic network Tata to Beef up Singapore Data MTN is single biggest investor in Centers WACS fibre optics cable system SAex - South Africa-Brazil cable announced vSHIP - New ship simulator for the New Variable Attenuator and Optical offshore industry Switch Products SEACOM and Interoute join forces to bring higher quality internet into WACS to double SA’s broadband NTT Com Services Gradually Africa capacity Restored Seacom expands Pan-African WFN Strategies Promotes New Offshore Marine Management to Network Director of Engineering install Greater Gabbard array cabling 6 Subsea Capacity analytics Average Added Global Capacity 2009-2013 = Planned Total Added = Planned Global Capacity 2009-2013 7 The Benefits of Remotely Operated OTDRs For Submarine Cable Deployment, Fiber Monitoring and Restoration Olivier8 Plomteux his article discusses application worst locations are heavy traffic areas like technologies in order to cut the overall and use of classical OTDRs for channels and straits. time-to-repair, likely reduce the manpower Tremote control of submarine cable involved mainly for optical testing and, in installation and fault management-related some cases, even increase the number of activities. It presents an out-of-the-box situations where preventive actions can be monitoring and remote test solution that conducted before the whole cable is lost. can be installed at the terminal stations of unrepeated links of up to 400 km. For links Unrepeated links and the equipped with repeaters, the solution evolution of submarine cable design tests up to the first repeater, or up to 250 Unrepeated submarine links, by design, do km if a fiber is passively dedicated to not require copper sheath nor power feed OTDR-testing purposes. An attenuation equipment (PFE); this creates a situation decrease of a few tenths of a decibel can be where fault localization techniques based detected and localized and tracked down, on shunt fault cannot be used. Most cables and cuts can be localized with meter-level will nevertheless integrate an electrically accuracy in terms of cable/fiber sheath conductive material, copper sheath or length. Extra loss incurred to a section can Figure 1. Distribution of repairs tape, to propagate high-voltage injection also be detected and reported in seconds of tones in order to track the cable route following the event. and their respective depth from 1995 to 2007. Data gathered on from the vessel, and help localize the Close to the shore requires the Internet for an operator close actual point of failure, used in a submarine more attention to continental Europe. 60% of remotely operated vehicle (ROV) or by cable faults occurred at depths of divers in shallow waters. OTDRs are For network operators, waterways less than 500 m—about 100 in the likely to become a more common means of represent a cost-effective alternative to 50 m or less range. measuring optical continuity in repeater- terrestrial routes when a route has to be less cable systems, due to the intrinsic constructed for linking two cities or any As depicted above, most cable damages nature of cable designs for this application. two landing points—either a festoon- occur close to the coast, and likely can style path connecting two points along the be repaired quickly, with an optimized Remote stations and coast, a connection from an island to the selection of equipment and resources. monitoring requirements mainland, or a connection from platform Despite the availability of a good quantity It may often be advantageous to bring at sea to the continent. Such cables remain of effective technologies and tools, the the cable back on the shore to optically relatively close to the coast, and rest at repair process of a cable remains quite regenerate the signals, and this is seabed levels, typically a few meters to a long, stretching from days to weeks particularly true on coastal routes.
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