On July, 21st, Direct Edge, a new stock exchange opened, and is expected to handle 10%-13% of the monthly US stock trading volume, which comes to an average of 1.4 billion shares a day. Microsoft, and other technology partners, joined them on stage as their CEO "rang the bell" at the opening of the market.
"Direct Edge datacenter is in Secaucus, New Jersey. They're running highly clustered Windows Server 2008 environment for low latency, and improved reliability & performance. CEO said they'll publish latency numbers in near future. They're using SQL Server 2008, including row/page compression so they can improve I/O utilization & memory utilization, and reduce storage costs. They developed their trading applications using .NET framework."