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Undersea cables keep global enterprise networks afloat
This article is part of the Network Evolution issue of September 2016 Vol 7 / No. 7
Somewhere in the Atlantic Ocean, a ship drops anchor. The heavy piece of metal falls hundreds of feet to the ocean floor, where it hits a subsea fiber optic cable and severs it. Businesses that depend on the cable for intercontinental communication could -- without sufficient redundant capacity -- lose their primary means of connectivity for weeks. That can mean a lot of money down the drain. In an increasingly global economy, basic business communications and financial transactions happen over networks. And if that traffic is going to another continent, country or region where it has to cross a major body of water, it travels via expensive undersea cables laid on the bottoms of oceans, lakes and seas. Most organizations don't spend a lot of time thinking about it, but submarine fiber optic cables deliver 99.8% of all intercontinental communications, according to telecommunications market research and consulting firm TeleGeography. Considering the sheer volume of traffic they carry, the vulnerability of undersea cable systems is...
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Features in this issue
With hundreds of models and countless features to choose from, picking the right IP phone can be a challenge. Here's what IT managers need to know before they make the call.
Subsea cabling is out of sight, but it shouldn't be out of mind. Many organizations don't realize just how dependent they are on underwater fiber to stay online and in business.
After years at a provider -- where she helped install cell towers during the 3G-to-4G transition -- an Army-trained network engineer tackles a new challenge in the enterprise: SDN.
Baystate Health and Sugar Creek Packing give Cisco and VMware SDN software separate chores in data center networks.
SearchNetworking's latest Network Innovation Award winner uses cloud-optimized routing to speed up internet performance, working like Waze or Google Maps for networks.
Columns in this issue
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Understanding your network is critical, and end-to-end visibility is the key to accessing the full potential of hybrid IT.