The underseas cable connections were disrupted off Egypt's northern coast on Wednesday, affecting Internet access in the Gulf region and south Asia, and forcing service providers to reroute traffic.
India's booming outsourcing industry, which provides a range of back-office services like insurance claims processing and customer support to overseas clients over the Internet, played down the disruption, saying it had back-up plans in place.
Rajesh Chharia, president of the Internet Service Providers' Association of India, said service providers were diverting Internet traffic to ensure there was no disruption in services.
"I would say 70 to 80 percent of the Internet services are operating normally now. It will take about a week to bring the services back to normal," Chharia said.
"Though we will continue to see some latency, there won't be any chocking in Internet access that we saw in the last couple of days."
He said cable repair ships had already been SENT to fix the breaches, which are in segments of two intercontinental cables known as SEA-ME-WE-4 and FLAG.
A spokesman for FLAG in Mumbai has declined comment on the state of restoration of operations but Punit Garg, chief executive officer of FLAG Telecom, said on Thursday the cable breaks would not cause any revenue loss to the company.
"Where the cable cut has happened, we are building a new cable over there, which is the FLAG Mediterranean cable, which will connect Egypt to France," Garg told an investor conference call.
"So in future we will see that FLAG will have a fully redundant and resilient network.... For our enterprise customers, that (connectivity) is being taken care through the restoration on other alternate hubs."
FLAG is a wholly-owned subsidiary of India's No. 2 mobile operator Reliance Communications and it operates a cable network of 65,000 route kilometres connecting the US, Europe, Middle East and Asia.
"Connectivity has been restored to a large number of our customers," said a spokesman for Videsh Sanchar Nigam Ltd, an internet service provider.
"NO COMPLAINTS"
Officials at outsourcing firms in India said many had alternate networks and traffic was automatically routed to a different link in the event of a breakdown.
"We have not heard of any customer complaints so far because of this," said a spokeswoman for HCL Technologies Ltd (HCLT.BO: Quote,... Profile, Research), which offers IT solutions and back-office services.
The International Cable Protection Committee, an association of 86 submarine cable operators dedicated to safeguarding submarine cables, says more than 95 percent of transoceanic telecoms and data traffic are carried by submarine cables, and the rest by satellite.
US phone Companies Verizon Communications Inc and AT&T Inc both use the affected cables. AT&T said on Thursday its networks were already back to normal as it had rerouted traffic and Verizon expected service to be restored for all its customers in a matter of days.
Investigations into what caused the break are continuing, but there were storms in the area at the time.
One of the biggest disruptions of modern telecoms systems was in December 2006, when a magnitude 7.1 earthquake broke nine submarine cables between Taiwan and the Philippines, cutting connections between southeast Asia and the rest of the world.
Internet links were thrown out in China, Hong Kong, Singapore, Taiwan, Japan and the Philippines, disrupting the activities of banks, airlines and all kinds of email users.
Traffic was rerouted through other cables, but it took 49 days to restore full capacity....
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