Monday, December 3, 2007

Data Systems Worldwide, Inc.

Data Systems Worldwide, Inc. (DSW) is an IT solutions firm that designs, builds, and manages enterprise application infrastructure. Supplying only the "best of breed" software and hardware products for our clients, DSW specializes in developing customized technology solutions for growing businesses.

For more information, visit us at our website at

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DSW Opens New Las Vegas Location

Data Systems Worldwide is pleased to announce the opening of their Las Vegas Operations. Located in the Pine Wood Plaza, on Fort Apache Road, the new office will be headed by Ryan Peterson, DSW’s Director of Intelligent Facilities. Mr. Peterson explains, “The Las Vegas location is a strategic opportunity for DSW to leverage our newly added IP Surveillance, and Unified Communications practices to verticals uniquely based in the region.”

With a history of success leading some of the industry’s most prestigious companies (including Nestle, Arco, BP, Compaq, and Amgen) Ryan’s enthusiasm about debuting DSW’s talents in the region is hard to contain, “We will be kicking off our Grand Opening with premier event which will include Cisco’s infamous NOW VAN, and a guided tour of the new facilities.”

DSW’s CEO of over six years, Phil Mogavero adds “With the new addition of our Cisco Silver Certification, and Microsoft Gold Partner status, Las Vegas provides a unique opportunity for growth in markets that were not previously accessible to Data Systems Worldwide.”

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Community Hospital Expands Wirelessly

Hospital installs a Cisco Unified Wireless Network to meet the needs and expectations of its patients, clinicians and community.

Business Challenge
Greenwich Hospital is a 174-bed healthcare center serving the communities of Fairfield County, Connecticut and Westchester County, New York. A member of Yale New-Haven Health Systems and a major academic affiliate of the Yale University School of Medicine, the hospital is both an important teaching institution and a progressive provider of medical care.

The hospital campus includes several state-of-the-art buildings. "We have a very spread-out facility-several buildings that are two to five miles away from each other," says Nassar Nizami, chief security officer at the hospital. Until recently, the hospital was operating a wireless LAN for its medical and administrative staff. But that WLAN was composed of standalone, individually-managed access points (APs). If someone reported a problem, the staff would have to physically find and fix the faulty AP. To address these concerns, last year the hospital decided to upgrade its WLAN with a system that could be managed and controlled centrally.

Nizami also sought a system that could support high-bandwidth applications such as video feeds and the transmission of detailed X-rays and MRI scans. The existing 802.11b network handled basic data traffic well, but "for some of the imaging machines, the 802.11b network was not sufficient," he says.

The hospital also needed to upgrade its wireless voice over IP (VoIP) system, which tended to drop phone calls when users roamed throughout the buildings. Finally, Greenwich Hospital was under pressure to provide wireless Internet access for patients and visitors-a common request that the hospital had previously avoided because of security concerns. Nizami needed to find a way to provide guest access without compromising patient records and other confidential data that traversed the WLAN.

Network Solution

To meet the many needs of its employees, patients, and guests, Greenwich chose a Unified Wireless Network from Cisco.

The Cisco network provides a highly responsive and trusted environment for securely sharing vital healthcare information and improving interactions among stakeholders throughout the entire healthcare community by delivering the right information, to the right people, at the point-of-need.

As part of the Cisco infrastructure, a Cisco Unified Wireless Network enables access to critical information at the point-of-need with a scalable, cost-effective solution. The Cisco Unified Wireless Network delivers mobility, security, and instant access to data applications, which can help healthcare organizations accelerate responsiveness, increase productivity, and improve the quality of care provided.

The hospital also installed Cisco Wireless Control System (WCS) management software, which provides RF prediction, policy provision, network optimization, troubleshooting, security monitoring, and wireless LAN systems management-all from a graphical interface. For Nizami, the WCS proved to be invaluable as a site survey tool for initial AP placement.

"The WCS gave us a nice pictorial view of the hospital and helped us to predict coverage issues, so we would know where to install additional access points," Nizami says, explaining that hospitals have unique coverage issues. "In the radiology labs, for example, the rooms have lead walls. In the operating rooms, there is heavy equipment that also can block the penetration of wireless signals."

Nizami appreciates the Cisco Unified Wireless Network's ability to assign separate virtual LANs for separate user groups "at the click of a button," helping to ensure both data security and quality of service for voice traffic. One virtual LAN is now assigned for data traffic for the hospital's computers-on-wheels, or "COWs," which run applications such as Meditech medical information software. Doctors use the COWs to view medical records at patients' bedsides. Another VLAN is assigned to the hospital's administrative staff.

There are two separate VLANs for voice traffic and, via the WCS, the IT staff has prioritized voice traffic above data traffic. Separately, the new network supports the ability for voice clients to roam seamlessly from access point to access point without dropping a call. This is vital for doctors and nurses who often travel among buildings to visit patients as they use the wireless voice network.

Finally, thanks to the capabilities of the new network, there is now a VLAN dedicated to patients and visitors. "The guest network terminates outside the firewall, which means it is totally separate from the internal network, helping ensure that confidential data remains secure," Nizami says.

Business Results

Providing public wireless LAN access to their guests and patients has garnered a great deal of positive publicity for the hospital, and improved that quality of life for patients and visitors.

"Some of the patients are so tied to their work that they cannot stand to be without Internet access," Nizami says. "Before the upgrade, we were receiving two or three phone calls a week, asking whether we offered wireless coverage. Since we implemented the guest network, people have been very happy. In fact, the PR department has received several calls just to thank the hospital for the wireless access."

For the hospital staff, the new network not only ensures the data safe, but also empowers the clinical teams with point-of-care information and communications to ensure the best care for their patients.

"The new wireless LAN has helped the medical community a great deal, especially in terms of the improved responsiveness of the wireless voice network." Nizami says. "Because they can carry their phone extensions anywhere they go, they can easily be reached at any time."
The wireless voice network improves the efficiency of hospital communications, especially in the Emergency Department.

"Wireless phones are crucial for the Emergency Department personnel; they are assigned a four-digit hospital extension just like any other phone," says Dr. Kevin Brown, director of the emergency department at the hospital. "The unit secretary can put a call through to any of the phones. During a busy day in the Emergency Department, that might mean 30 to 40 calls a day. In the past, crucial time would go by as the unit secretary would page overhead and then have to wait for the doctor or nurse to call back. The Emergency Department is much quieter now, as there are much fewer overhead pages. If the nurses from the telemetry unit, ICU or any of the admitting floors need to contact an Emergency Department nurse about a patient, they can just dial the extension directly and eliminate delays."

The hospital now includes the WLAN in its emergency response plans. "Recently, the hospital performed a pandemic drill, and wireless played a key part in it," Nizami says. "The staff set up triage throughout the hospital, and the only way to extend the network quickly was by connecting clients wirelessly."

For the IT staff, the ability to manage the network from a central location has saved time in network repairs, and the diagnostic capabilities of the Wireless Control System helps the staff pinpoint and fix potential problems before users notice anything amiss.

Next Steps

By the end of 2007, the hospital plans to launch location-based services on the Cisco Unified Wireless Network so that the staff can wirelessly track valuable, mobile medical equipment such as infusion pumps and wheelchairs.

Separately, the hospital is taking steps to separate the Emergency Department's data traffic from the other data traffic on the network; network usage is extremely high among doctors in that department, and reliable communication can be a matter of life and death. To that end, Nizami plans to move the Emergency Department from 802.11g (2.4Ghz) to 802.11a (5Ghz), to increase data reliability. The Cisco Unified Wireless Network is prepared for the migration. "One of the reasons that we chose the 1200 Series access points was that they supported both 802.11g and 802.11a," Nizami says.