TimesTen Raises the Bar for Real-Time Infrastructure Software with the Launch of TimesTen Version 5.0

New Release Features Improved Performance, Greater Scalability and Ease-of-Integration

MOUNTAIN VIEW, Calif.-April 21, 2003-TimesTen, Inc., a provider of real-time
event processing software, today announced the general availability of version 5.0 of the company's core product, the TimesTen® Real-Time Event Processing System. With this announcement, TimesTen once again raises the bar on infrastructure software designed for real-time event processing with
enhancements focused on improving performance, scalability and ease-of-integration into existing systems. This milestone release is a direct response to the expanded deployment of real-time, highly-available services from TimesTen's customer base.

"The need for high performance, real-time infrastructure software is growing, and yet, is remarkably underserved by the current marketplace," said James R. Groff, CEO of TimesTen, Inc. "As all the recent talk about the real-time enterprise underscores, companies are increasingly looking to make their businesses more cost-efficient and agile. TimesTen has spent over five years working closely with organizations in telecom and financial services for which real-time processing is not just a competitive advantage, but a stringent business requirement. Our mature, proven product, plus the expertise we've gained working with more than 170 customers worldwide, positions us well as real-time finds its way into additional markets and into the corporate enterprise," added Groff.

TimesTen Version 5.0?Improved Performance, Scalability & Ease-of-Integration
With TimesTen version 5.0, performance has been improved by focusing on
"concurrency" ? the ability for multiple users to access and share the same
data simultaneously. Traditionally, data managers use "locks" to prevent
multiple users from manipulating the same data at the same time as a way to
maintain control and minimize human error, often at the expense of
performance. Version 5.0 features a new locking model that imposes fewer of
these locks, and also eliminates locking delays between readers and writers,
dramatically improving concurrency. This required a significant architectural change in the system, yielding more consistent "real-time" responsiveness for all users and increasing the overall performance. In addition, the redesigned locking model provides a better foundation for future performance improvements.

Applications using version 5.0 will be able to utilize larger multi-processor systems and thus handle a greater volume of business events. Compared to earlier releases of TimesTen, version 5.0 is able to increase peak throughput up to 100 percent by utilizing twice the CPUs as the previous release allowed. This scalability improvement was achieved through internal improvements that are completely transparent to applications. Specific enhancements in version 5.0 include:
- New non-blocking locking model that removes read/write contention
- Addition of failure and recovery policies for return-receipt replication
- Ability to perform backups on an incremental basis, useful for large data stores
- Ability to restrict access to TimesTen data stores to specific user groups
- Ability to mix TimesTen releases running on the same server
- Improved performance for client/server communications on the same system
- Transparent pass-through of SQL requests to Oracle databases
- The addition of system-managed "cache groups" for the Oracle connect feature

"With version 5.0, TimesTen continues to combine the best attributes of
custom-built and commercial alternatives," said Gary Barnett, executive vice
president, products & CTO, Aspect Communications. "Specifically, TimesTen
delivers the real-time performance of a custom solution with the ease of
development advantages of standards-based products and far less
administrative overhead. Applications built on TimesTen have the power to
differentiate at a price/performance ratio that is quite compelling," added

Tighter Integration with RDBMS ? Improved "Oracle Connect" Functionality
Earlier versions of TimesTen have included a built-in set of features called
"Oracle Connect," which enable the use of TimesTen as a real-time cache for
data permanently stored in an Oracle database. Version 5.0 enhancements to
Oracle Connect allow requests to pass transparently to Oracle when an operation cannot be processed from the TimesTen system. In addition, the setup of caching configurations has been simplified by the addition of new system-managed "cache groups" with pre-determined attributes. Oracle Connect supports system-managed cache groups for read-only processing and for write-through operations, in addition to the existing user-managed groups.

New Platform Support - Intel® Itanium® 2-Based Servers
Version 5.0 is the first TimesTen release to support servers based on Intel's Itanium® 2 processor, running the Red Hat Linux operating system. The outstanding price-performance of Intel-based servers, coupled with the rapid acceptance of Linux for business-critical applications, has altered the server landscape in the past year. With the 64-bit Itanium 2 processor, applications that use TimesTen can work with much larger amounts of real-time information than with 32-bit microprocessor-based servers.

Availability, Platform Support & Pricing
TimesTen 5.0 is in general availability today and supports all the most popular operating system platforms including Sun Solaris, HP-UX, Red Hat Linux, Microsoft Windows and IBM AIX. Like previous versions of TimesTen, version 5.0 is priced on a per server basis in combination with the data store size of the system.

About the TimesTen Real-Time Event Processing System
The TimesTen Real-Time Event Processing System is infrastructure software
that enables very high performance event-processing applications to capture,
store, use and distribute information in real-time, while preserving transactional integrity and continuous availability. Although built on a
unique internal architecture that's optimized for memory-resident operations, the interfaces to TimesTen are all standards-compliant, delivering superior price/performance, flexibility and carrier-grade availability.

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