The shutdown, which also affects BlackBerrys, was the result of an overloaded circuit breaker at one of the data centers that processes e-mail and other Internet services, meaning it was an electrical problem and not related to an overflow of outside e-mail traffic, according to a letter from Chief Administrative Office Daniel P. Beard.
The system suffered a massive slowdown last week after the House defeated an initial version of the bailout bill, sending financial markets into a tailspin and prompting frustrated constituents to flood servers and phone lines.
"This recent outage has nothing to do with the slowdowns experienced with House.gov, which have been attributed to an enormous flow of emails from constituents surrounding the Emergency Economic Stabilization Act of 2008," Beard wrote members and aides on Friday.
Computer engineers with the CAO's office have worked "around the clock to resolve this issue," Beard wrote. "The outage is anticipated to be repaired some time today."
In addition, these engineers are working to fortify the current system with new equipment to boost the power supply in an effort to prevent future shutdowns, but Beard argues the system is currently overburdened by increased demands for bandwith. He plans to recommend infrastructure improvements in the coming months to prevent future outages.
"Initial analysis of the situation confirms what systems engineers have suspected for some time: more energy efficient servers are needed within the House’s computing infrastructure," Beard wrote. "By reducing the amount of energy the House’s computing currently demands, and by creating electrical backup systems, I am confident we will greatly diminish outages like this from happening again."
His full letter follows the jump.
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