Semi Final Version - 1 Healthcare Systems Integration Using...

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1 Healthcare Systems Integration Using Real Time Publish Subscribe (RTPS) Middleware Basem Almadani and Bilal Saeed Abstract —Due to its scalability, reliability, flexibility, and rich set of QoS support, RTPS middleware has become one of the best solutions for solving real time distributed systems problems. Most of the distributed systems are heterogeneous by nature, where each device is running on different architecture, platform, and operating system. This heterogeneity appeals for a platform or a service which can integrate them seamlessly in real-time. Most of the distributed systems are composed of heterogeneous devices where a slight delay can cause a lot of trouble. Those systems include, healthcare systems, military subsystem, radar system and many more. Thus, time factor is very important for those applications where human life or a lot of investment is concerned. In this paper we propose a solution for integrating healthcare systems using real time publish subscribe (RTPS) middleware, unlike traditional middleware RTPS middleware integrate het- erogeneous devices in real time fashion. Furthermore, we evaluate RTPS middleware performance over wired and wireless LAN by measuring latency and throughput. Index Terms —RTPS, DDS, Middleware, QoS, Healthcare. I. I NTRODUCTION P ROGRESS in the healthcare technologies have notably increased for the past couple of decades and it has been witnessing the ongoing efforts to establish the communication standards for healthcare systems interoperability. Lets take an example of an ICU where heterogeneous medical devices for instance navigation, ultrasound, ECG, ultrasound surgery, operating microscopes, ventilators, and much more are located and intriguingly they are all manufactured by different ven- dors, running on different architectures and operating systems. This heterogeneity appeals for integrating all these heteroge- neous devices such that relevant data from all the devices could be shared and need to be aware of patient health records. As we know that not all devices are connected to the network and the heterogeneous nature of these devices makes it very difficult to integrate them. In this paper we propose an effective solution to integrate all the heterogeneous medical devices using Real Time Publish Subscribe (RTPS) model. Since the medical data coming from all the heterogeneous devices is highly depended on time and the earlier and late data are useless. RTPS solves the problem of time critical applications such as medical devices in an ICU, because if the Ventilator does not respond to the input of ECG at the point of time, human life will be compromised. There are only a very few systems available that are based on Real-time communication, the most famous one is C4I [1] which is based on a very secure IP and provides a secure communication in mission critical applications. All the prod- ucts of C4I are designed for mission critical applications like military fighting in the war. One of its products SwitchPlusIP
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