Chipara Octav, Plymoth Anders N, Liu Fang, Huang Ricky, Evans Brian, Johansson Per, Rao Ramesh, Griswold William G
University of California, San Diego, USA.
AMIA Annu Symp Proc. 2011;2011:238-47. Epub 2011 Oct 22.
Emergency responses require the coordination of first responders to assess the condition of victims, stabilize their condition, and transport them to hospitals based on the severity of their injuries. WIISARD is a system designed to facilitate the collection of medical information and its reliable dissemination during emergency responses. A key challenge in WIISARD is to deliver data with high reliability as first responders move and operate in a dynamic radio environment fraught with frequent network disconnections. The initial WIISARD system employed a client-server architecture and an ad-hoc routing protocol was used to exchange data. The system had low reliability when deployed during emergency drills. In this paper, we identify the underlying causes of unreliability and propose a novel peer-to-peer architecture that in combination with a gossip-based communication protocol achieves high reliability. Empirical studies show that compared to the initial WIISARD system, the redesigned system improves reliability by as much as 37% while reducing the number of transmitted packets by 23%.
应急响应需要急救人员进行协调，以评估受害者的状况，稳定其病情，并根据受伤的严重程度将他们送往医院。WIISARD是一个旨在促进在应急响应期间收集医疗信息并可靠传播该信息的系统。WIISARD面临的一个关键挑战是，在急救人员于充满频繁网络断开的动态无线电环境中移动和操作时，要以高可靠性传输数据。最初的WIISARD系统采用客户机-服务器架构，并使用自组织路由协议来交换数据。该系统在应急演练期间部署时可靠性较低。在本文中，我们确定了可靠性低的根本原因，并提出了一种新颖的对等架构，该架构与基于八卦的通信协议相结合可实现高可靠性。实证研究表明，与最初的WIISARD系统相比，重新设计的系统将可靠性提高了37%，同时将传输的数据包数量减少了23%。
