ESIGNAL IS BULLISH ON SILVER PEAK WAN OPTIMIZATION

NX Appliances Improve SQL Replication and Microsoft File Transfer Times by over 70%

Santa Clara, Calif., July 21, 2009 Silver Peak Systems , the leader in data center class Wide Area Network (WAN) optimization, today announced that eSignal, a division of Interactive Data Corporation (NYSE: IDC) and a leading provider of streaming, real-time financial market data, news, analytics and decision-support tools for professional and individual traders, has deployed Silver Peak’s NX appliances to optimize WAN traffic.  With Silver Peak’s real-time network optimization techniques, eSignal has reduced bi-coastal SQL replication times by approximately seventy percent, saving the company time and money through more efficient database management.

“High latency between California and Massachusetts was impacting our ability to replicate databases in a timely and consistent manner,” said Bill Habe, Director of Network Operations at eSignal.  “Silver Peak’s real-time optimization techniques overcame that challenge, reducing SQL transfers from 41 minutes to 12 minutes on average.  With Silver Peak, eSignal can get critical information where it matters most, when it matters most.  This makes WAN optimization strategic to our core business operations.”

Silver Peak leverages a variety of real-time network optimization techniques to maximize application performance across the WAN while minimizing IT operational costs.  These techniques include:

Silver Peak’s unique network approach to WAN acceleration delivers unprecedented performance and scalability.  Silver Peak provides the highest capacity appliances on the market, and the only solution that optimizes all IP traffic (independent of software version and transport protocol).  This includes file, email, web, SQL, Voice over IP (VoIP), streaming video, Citrix, Virtual Desktop Infrastructures (VDI), real-time data replication, and remote backup.

By optimizing the most applications using the fewest appliances, Silver Peak provides the best Return on Investment (ROI) for WAN optimization.

About eSignal

eSignal ( www.eSignal.com ), Interactive Data Corporation’s (NYSE: IDC) desktop solutions business, is a leading global provider of financial and business information to professional traders and active individual traders. Building on a legacy of 25 years of delivering time-sensitive financial information, eSignal provides streaming, real-time market data, news and analytics. eSignal's suite of products includes eSignal®, Advanced GET®, QuoTrek®, FutureSource®, MarketCenter LIVE(SM), QCharts®, LiveCharts®, Market-Q(SM) and the Web portals FutureSource.com, Quote.com® and RagingBull.com.

About Silver Peak Systems, Inc.

Silver Peak is the leader in data center class Wide Area Network (WAN) optimization.  The company’s award winning NX appliances use real-time network optimization techniques to maximize WAN bandwidth and quality while minimizing the effects of WAN latency.  This improves data throughput and application performance across the WAN while lowering WAN bandwidth expenditures. 

The Silver Peak solution optimizes all IP applications with industry leading capacity.  This makes Silver Peak strategic to a variety of enterprise initiatives, including data center consolidation, data migration, branch office server centralization, disaster recovery, and application/desktop virtualization.

For more information on the Silver Peak solution, visit: http://www.silver-peak.com/infocenter

NOTE: Silver Peak Systems, the Silver Peak logo, Network Memory and Silver Peak NX Series are trademarks of Silver Peak Systems, Inc.