澳大利亚IT作业代写 NHS系统

2020-01-25 18:34

首先，我们必须了解系统的潜在用户。NHS不仅与病人建立联系，还与医院、诊所等建立联系。因此，选择使用混合模型是有益的。客户代表所有使用云的实体，如医生、NHS员工、医院等。引入公共云方面是为了提供一些灵活性。它仅适用于那些没有太多信息可以添加到NHS记录中央数据库，但只希望执行某些基本功能(如可视化记录、跟踪病人预约等)的人。公共云是由第三方云提供商提供的，所有的硬件、软件和基础设施都是由第三方云提供商提供的。他们还负责处理更新、提供即时服务和托管。他们提供软件来处理诸如预约和病人管理、并发控制和订单输入等任务。基础设施处理作业控制、安全、虚拟机的创建和操作、多个操作系统的创建和操作、网络拓扑、消息传递、存储和延迟计算等。私有云是云基础设施存储在NHS场所的地方。这个云解决方案由NHS单独管理和维护(Oh, Cha, Ji, Kang et al.， 2015)。NHS有责任安全操作、修改、提取记录，因此最好由NHS自己维护，而不是交给第三方供应商。通过这样做，我们可以避免任何数据丢失和泄露、任何硬件或软件崩溃等情况。主要因素是防止任何通过公共互联网进行的恶意攻击。私有云还负责部署客户机可能需要的任何或多个应用程序。它还具有监测和跟踪资源使用和支出的职能。这可以防止任何不必要的资源使用。
澳大利亚IT作业代写 NHS系统
To begin with we have to first understand the potential users of the system. The NHS not only connects with patients but also to hospitals, practices etc. Thus, the choice to go with a hybrid model is beneficial. The clients represent all the entities that use the cloud such as doctors, employees at the NHS, hospitals etc. The public cloud aspect was introduced to provide some flexibility. Its usage lies solely for the people that do not have much to add to the central database of NHS records but only wish to perform certain basic functions such as visualizing records, tracking patient appointments etc. The public cloud is one that is provided by a third-party cloud provider and all the hardware, software and infrastructure are provided by them. They are also in charge of handling updates, providing instant services and hosting. They provide software the handles tasks such as appointment and patient management, concurrency control and order entry. The infrastructure handles the job control, security, creation and operation of virtual machines, creation and operation of multiple operating systems, network topology, message passing, storage and delay computation etc.When we transition over to the private cloud, the same infrastructure is used with all the same functionality. The private cloud is where the cloud infrastructure is stored on premises at the NHS. This cloud solution is managed and maintained solely by the NHS (Oh, Cha, Ji, Kang et al., 2015). The NHS has the responsibility to safely operate, alter, extract the records and thus it is better for them to maintain it in-house rather then allocate it to some third-party vendor. By doing this we are avoiding the cases of any loss and breach of data, crash of any hardware or software etc. The major factor is the prevention of any malicious attack through the public internet. The private cloud is also responsible for the deployment of any or many applications that may be required by the clients. It also has functions to monitor and track the usage and expenditure of resources. This prevents any unnecessary usage of resources.

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