2 Communication Cables in the Mediterranean Are Cut
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The damage to the cables knocked out Internet access to much of Egypt, disrupted the worldâs back office in India and slowed down service for some Verizon customers.
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Madrid-Barcelona link is part of 220mph network taking on the airlines
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Huge swathes of the Middle East and Asia have been left without internet access after an undersea cable was damaged
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Una media giornaliera di 288mila transazioni
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In 'Marius' project, helicopters are used to set up temporary SMS networks in the case of a crisis.
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Presentata una comunicazione al collegio europeo
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A breakdown in an international undersea cable network disrupted Internet links to Egypt, India and Gulf Arab countries on Wednesday, and Egypt said it could take days  to return to normal.
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In the next few weeks the twin Mars rovers will be out of touch with Earth when the Sun lines up to block communications. Daily operations will be taken over by longer-term instructions without radio links between the two planets.
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Europe has been slow to adopt 3G mobile-phone services, and now the opportunity for cashing in may have passed. A new Wi-Fi design from a British company threatens to cut away the ground 3G has gained. By Wendy Grossman.
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Repair work has started on one of  three broken undersea cables providing data services to parts  of the Middle East and Asia, a cable operator said, and a  repair ship was expected to reach a second cable on Tuesday.
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A cable operator wonders if you'd like cellular service with your cable.
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The millions of pilgrims in Mecca this week for the Hajj, an annual gathering of Muslims, can stay connected thanks to a temporary Wi-Fi mesh network covering a large part of the city.Hajjis, as the pilgrims are called, come to the city in Saudi Arabia from around the world for several days of religious rituals. More than 2 million gather each year. A network of about 70 meshed routers from Tropos Networks has been set up to provide free Internet connectivity, according to Denise Barton, director of marketing at Tropos. Users only have to register before using it. Barton believes it is the first public Wi-Fi network set up for the Hajj.Mesh networks are well-suited to temporary deployments because they need fewer fixed-line connections than do traditional Wi-Fi systems. Packets can hop from one router to another until they reach one that&#39;s connected to a landline. The technology has also been used for permanent municipal Wi-Fi networks, including the one Google had built with Tropos equipment in its hometown of Mountain View, California.Saudi Arabia&#39;s Communications and Information Technology Commission appointed an Internet service provider, Bayanat Al-Oula, to provide the temporary network. It was rolled out in less than 60 days with no help from Tropos personnel, Barton said. Aptilo Networks, a wireless-management software and services company based in Stockholm, is running the network as a managed service from its offices in Malaysia. This also helped Bayanat get the infrastructure up and running quickly, said Per Knutsson, Aptilo&#39;s co-founder and director of product development. Aptilo is handling user authentication, security, customer-support calls and other features, as well as setting up the portal visitors use to register for the network.Aptilo and Tropos are no strangers to temporary Wi-Fi networks. Aptilo has managed systems for large sporting events, and in 2004 Tropos built a network in downtown Redwood City, California, for a high-profile murder case. The trial of Scott Peterson, who was convicted of killing his wife and their unborn child, drew massive public and media attention. The county court where the trial took place set up a temporary network with five surveillance cameras and five meshed routers for its own security needs and for reporters who descended on the area for several months.The Mecca network is made up of Tropos 5210 mesh routers, which use IEEE 802.11a for mesh connections and can support users with 802.11a, b and g devices, Barton said. Such networks typically require between 20 and 40 routers per square mile, she said.
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A repair ship began work Tuesday at the site where an Internet cable was cut last week in the Persian Gulf, and a second vessel was to arrive later that day at the spot north of Egypt where two other cables were cut just two days earlier, FLAG Telecom said.
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Egypt had only about 40 percent of its  Internet capacity available on Thursday because of a disruption  to an undersea cable that has also affected the Gulf region and  south Asia.
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Egypt had less than half its Internet  capacity available on Thursday because of breaks in two  undersea cables that have also affected the Gulf region and  south Asia.
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Large parts of the Middle East lost internet service Wednesday following damage to a communications cable running running between Palermo, Italy and Alexandria, Egypt. What caused the damage remains unclear.
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Two underwater cables damaged in the Mediterranean led to Internet disruptions across much of the Middle East, and officials said repairs could take days.