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Circadence MVO™ 1200 Produced a 3x Performance Gain in U.S. Military Distance Learning Activities
技术
- 应用基础设施与中间件 - 数据交换与集成
适用行业
- 国家安全与国防
服务
- 系统集成
挑战
A division of the U.S. military often trains soldiers in remote locations such as the Middle East using “distance learning.” Distance learning has become a popular way to deliver online courses to military personnel, providing video training, Flash- or Java-based self-paced learning modules, and online certifications. Distance learning often leverages multimedia content, which requires expanded network capacity. For troops deployed overseas, numerous challenges were impeding the performance and usability of the training applications. The military needed a solution that would solve these problems to train soldiers more quickly and efficiently. For remote field training, network delivery was a particular challenge for military applications. Satellite networks are typically used in areas where traditional terrestrial networks cannot reach. Soldiers then use laptops to download training content, programs, or other materials via satellite connection. Satellite Internet connections, however, present several difficulties. As training modules access multimedia files that are delivered via the web, propagation delays cause high latency as message requests are sent at the speed of light to distant satellite stations and then back to the U.S. When viewing web pages, for example, soldiers were experiencing significant delays. High rates of latency were also causing training applications to time out or disconnect, which was frustrating to soldiers and severely impacting training productivity. Network degradation due to loss was an additional concern. Both high latency and loss were severely impacting the quality and delivery speed of the training content.
关于客户
The customer is a division of the U.S. armed services. They often train soldiers in remote locations such as the Middle East using “distance learning.” Distance learning has become a popular way to deliver online courses to military personnel, providing video training, Flash- or Java-based self-paced learning modules, and online certifications. Distance learning often leverages multimedia content, which requires expanded network capacity. For troops deployed overseas, numerous challenges were impeding the performance and usability of the training applications. The military needed a solution that would solve these problems to train soldiers more quickly and efficiently.
解决方案
U.S.-based military personnel assembled the training modules as packages – essentially “distance learning-in-a-box.” Server hardware was shipped to field operating bases with preinstalled training applications as a complete system in a protective “pelican case.” Overseas field trainers could then unpack and plug in the system to immediately begin training. To optimize and improve the satellite network connection used to deliver the training programs, the system also shipped with the Circadence MVO 1200 WAN Optimization suite. Circadence MVO 1200 technology optimizes network speed and reliability. Before Circadence solutions were installed, soldiers complained that slow network speed was bogging down the training process. Field training must be accomplished in limited timeframes, so it was essential to improve network speed. With Circadence MVO 1200, bandwidth utilization was dramatically improved, ensuring that training content could be delivered much more quickly and to more soldiers at once. For example, after Circadence MVO was integrated into the system, a unit could be trained in a period of one day instead of three, a 3x improvement. Decreased training time allowed soldiers to return to field operations more quickly. When soldiers participated in self-paced learning modules, content was running on a web server, which was particularly slow to connect. The large file sizes of video and audio content were also experiencing difficulty over the satellite connection. The Circadence MVO 1200 WAN Optimization suite helped streamline delivery of these multimedia files, enhancing the soldiers’ overall training experience.
运营影响
数量效益
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