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NANOG Meeting Presentation Abstract

SAm-1 Cable: Lessons from 14 years of Operations & Submarine Cables - The Hidden Asset
Meeting: NANOG61
Date / Time: 2014-06-03 4:30pm - 5:30pm
This item is webcast
Room: Grand Ballroom E-K
Presenters: Speakers:
Elena Badiola, Telefonica.

Alasdair Wilkie, Hibernia Networks

Alasdair joined STC (now ASN) in 1985 having left Newcastle University with a degree in Electrical and Electronic Engineering. Whilst at STC he worked on UK-Belgium 5 and subsequently numerous other submarine systems mainly in the marine department. On leaving ASN he worked in C&W(Marine) then IT International Telecom, Flute Ltd and now he is the Director of Marine and Projects at Hibernia Networks. He has authored several papers and is a Member of both the IET and the IEEE. Alasdair represents Hibernia Networks on the ICPC, NASCA and SCUK and serves on the Executive Committee on both the ICPC and SCUK. Alasdair is also the current chairman of the Atlantic Cable Maintenance Agreement.
Abstract: SAm-1 Cable: Lessons from 14 years of Operations
When the Sam-1 submarine cable was built in 2000, the maximum capacity it would allow with the available technology at the time was 1.96 Tbps. Halfway through its life, Sam-1 has a current maximum capacity ten times larger as it was when initially launched. In this presentation we will go through the different lessons and challenges that Telefonica has faced in the last fourteen years with Sam-1, and those anticipated in the future.
When Sam-1 was planned the engineers within Telefonica and even the vendors thought that its full potential capacity would never be filled. It was a huge project, conceived as an investment to serve Telefonica group’s international needs. The bandwidth that was sold to the customers at that time was around 2 Mbps. It was still the X.25 era in Latin America. Sam-1 was planned to link the Americas together, from the US, to Puerto Rico, Brazil, Argentina, across the Andes (and this was another adventure itself), Chile, Peru, across Guatemala, and back to the US. At that time there were plenty of funds to allow such an investment. In 2007 the network expansions to Colombia, northern Peru and Ecuador were installed. The presentation will highlight some of the design engineering criteria that have been keys to success, for example, building highly resilient wet and dry plants. We will cover Telefonica’s daily, weekly, monthly and yearly maintenance processes to avoid service outages. We will also share the painful lessons of corrective maintenance. The talk will also cover the management of processes and vendors to reduce operational costs without negatively impacting quality. We will talk about past and future network upgrades, including our thoughts and findings of our recent tests using Gridless WDM y 200Gb Waves (with 16QAM modulation), as well as new segments (US-Brazil), reusing capacity in the Pacific-side segments and will also explain how Unisur and PCCS cables complement the SAm-1 system.

Submarine Cables - The Hidden Asset
Submarine Cables have been with us for over 150 years, through three distinct eras, and for the majority of that time they have been the "hidden asset" within the network, there has never been a song and dance about the existence of submarine cables. This paper starts by looking at the history of submarine cables in the North Atlantic then looks at some of the technology in use on cables today. One of the most confusing areas of Submarine Cables is how they are installed and maintained and this paper shall take a detailed look at the methodology, timing and issues surrounding these two areas.
Files: youtubeLessons from 14 years of Operations & Submarine Cables - The Hidden Asset
pdfSAm The Hidden Asset (PDF)
pdfSAm-1 Cable: Lessons from 14 years of Operations & Submarine Cables (PDF)
Sponsors: None.

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