Comcast Outage Hits Boston, East-coast Cities2010-11-29 09:31 by Daniela
Tags: Comcast, Internet, DNS
Comcast's cable Internet service on the U.S. east coast was hit with problems late Sunday that left many users unable to access the Internet.
"Our engineers are working very aggressively to fix the problem," said Doreen Vigue, a Boston-based spokeswoman for Comcast. She said she didn't have any specific information about the cause of the fault or the cities affected beyond Boston.
Twitter postings point to a DNS (domain name system) server problem.
DNS is the system that converts human-friendly Internet address like "www.pcworld.com" into a numeric Internet address, which are vital to Internet communications. If the DNS servers go down there's no way for a user's PC to address data correctly and so communication stops.
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