Abstract
The Internet of medical things (IoMT) has become a promising paradigm, where the invaluable additional data can be collected by the ordinary medical devices when connecting to the Internet. The deep understanding of symptoms and trends can be provided to patients to manage their lives and treatments. However, due to the diversity of medical devices in IoMT, the codes of healthcare applications may be manipulated and tangled by malicious devices. In addition, the linguistic structures for layer activation in languages cause controls of layer activation to be part of program’s business logic, which hinders the dynamic replacement of layers. Therefore, to solve the above critical problems in IoMT, in this paper, a new approach is firstly proposed to support the dynamic replacement of layer in IoMT applications by incorporating object proxy into virtual machine (VM). Secondly, the heap and address are used to model the object and object evolution to guarantee the feasibility of the approach. After that, we analyze the influences of field access and method invocation and evaluate the risk and safety of the application when these constraints are satisfied. Finally, we conduct the evaluations by extending Java VM to validate the effectiveness of the proposal.
Highlights
Internet of medical things (IoMT), which plays an important role in healthcare industry to construct the safety and healthy system in human society [1], is becoming the critical part in reducing healthcare costs, providing timely medical responses, and increasing the quality of medical treatment
The programming languages are compilerbased, which means that all layers and their activation/deactivation are determined in a development stage. e contexts cannot be completely predicted at the development stage [4], healthcare applications, which limit the applications of language. erefore, in this paper, we introduce an encapsulation mechanism-based context-orient programming paradigm (COP) in IoMT to reduce the occurrences of above-mentioned crosscuts
Object proxy [10] is advocated as a flexible mechanism to dynamically adapt behavior of objects to adapt the behavior of a single object. erefore, this paper proposes a new approach, which incorporates object proxy into virtual machine (VM), to enhance the flexibility of applications in terms of context-based dynamical behavior adjustment
Summary
Internet of medical things (IoMT), which plays an important role in healthcare industry to construct the safety and healthy system in human society [1], is becoming the critical part in reducing healthcare costs, providing timely medical responses, and increasing the quality of medical treatment. IoMT, is an ecosystem of connected di erent kinds of sensors, including the wearable devices, medical devices, and clinical systems. Each part in the ecosystem has its own particular context, which is di erent from others. Various contexts should be managed by the healthcare application to provide context-based services. To avoid patients’ information leakage, a function component of a healthcare application is used to describe the medical histories of patients to doctor in detail, instead of collecting the sensitive information. Due to crosscut, the codes are scattered and tangled by context, which increase the costs of healthcare applications’ development and maintenance
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