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DeJarnette Research Systems releases xDL (Cross-Enterprise Document Librarian version 3.4 software. Both functionality and performance have been improved. With version 3.4, xDL has the ability to archive up to 5000 medical imaging studies per day.

DeJarnette Research Systems , Inc. of Towson, Maryland announces the release of xDL (Cross-Enterprise Document Librarian) version 3.4. This release provides additional functionality and product performance improvements. New functionality includes:

- Support for Caringo CAStor content management software
- Support for fast (http over WAN) CIFS interface
- Support for Avance clustering services from Stratus
- Support for ACE switch clustering and load balancing
- Extended XDS-I functionality
- Encryption support for non-natively encrypted storage systems

Product performance improvements include:

- Improved database performance through query optimization
- Improved memory utilization through resource optimization
- Improved performance in handling multi-frame objects
- Improved deprecated study management capability
- Improved Web Administration GUI

xDL version 3.4 has been undergoing testing since mid-spring, 2010. During that time the xDL was tested under an average volume load of approximately 1600 studies per day, 7 days per week. Peak hour loads 3 times the average daily volume were observed and handled efficiently. These studies were generated by a wide variety of modalities of many different makes and models; the studies supplied on a daily basis by an academic partner over a 1 Gbit connection. Individual studies as large as 2.5 GB (compressed) were handled routinely. The average size of studies tested was 65.8 MB (compressed) and the average study contained 295.1 images. This performance was achieved with an inexpensive Dell rack computer with a single E5620 2.4 GHZ Xenon processor and 4 GB of memory running in a virtual environment with a single core assigned to the xDL.

The software was released in early October and roll out to existing customers began the end of October.

Wayne DeJarnette, Ph.D., company president commented, "This level of performance is well above the vast majority of PACS archive software currently deployed. As the leader in the PACS migration market, we get to see the ingestion capabilities of all the PACS archives in the marketplace; xDL 3.4 seems to out perform them all."

Source: DeJarnette Research Systems , Inc.