fault tolerant computer
简明释义
容错计算机
英英释义
A fault-tolerant computer is a system designed to continue functioning correctly even in the event of a hardware or software failure. | 容错计算机是指一种设计用于在硬件或软件故障发生时仍能正常工作的系统。 |
例句
1.In a data center, a fault tolerant computer 容错计算机 ensures that services remain available even during hardware failures.
在数据中心,一台容错计算机确保服务在硬件故障期间仍然可用。
2.Air traffic control systems rely on fault tolerant computers 容错计算机 to maintain safety and avoid accidents.
空中交通控制系统依赖于容错计算机来维护安全并避免事故。
3.The banking industry uses fault tolerant computers 容错计算机 to process transactions without interruptions.
银行业使用容错计算机来处理不间断的交易。
4.For critical applications, organizations invest in fault tolerant computers 容错计算机 to ensure high availability.
对于关键应用,组织投资于容错计算机以确保高可用性。
5.A fault tolerant computer 容错计算机 can automatically switch to backup systems in case of a failure.
一台容错计算机可以在故障发生时自动切换到备用系统。
作文
In the modern age of technology, the reliability and availability of computer systems are paramount. One of the most significant advancements in this field is the development of fault tolerant computers. A fault tolerant computer is designed to continue functioning correctly even in the event of a hardware or software failure. This capability is essential for systems that require high availability, such as those used in aerospace, banking, and telecommunications. The concept of fault tolerance is not just about preventing failures; it is also about ensuring that when failures do occur, the system can recover gracefully without significant downtime or data loss.The architecture of a fault tolerant computer typically includes redundant components. For example, a system may have multiple processors, memory modules, or power supplies. If one component fails, the system can switch to the backup component automatically, allowing operations to continue seamlessly. This redundancy can be implemented at various levels, including hardware, software, and network layers. By designing systems with these redundancies, organizations can minimize the risks associated with unexpected failures.Moreover, fault tolerant computers employ various techniques to detect and correct errors. Error detection codes, such as parity bits and checksums, are commonly used to identify issues in data transmission or storage. Once an error is detected, the system can use error correction algorithms to fix the problem without user intervention. These methods ensure that the integrity of the data remains intact, which is critical for applications where accuracy is crucial.Another important aspect of fault tolerant computers is their ability to perform diagnostics and monitoring. Advanced systems can continuously check the health of their components and predict potential failures before they occur. This proactive approach allows organizations to schedule maintenance and replace failing parts before they lead to system outages. As a result, businesses can maintain high levels of productivity and reduce the costs associated with unplanned downtime.In addition to hardware and software redundancies, fault tolerant computers often incorporate distributed computing principles. In a distributed system, tasks are spread across multiple machines, which can work together to achieve a common goal. If one machine fails, others can take over its responsibilities, ensuring that the overall system remains operational. This design is particularly beneficial for cloud computing environments, where resources can be dynamically allocated based on demand.The importance of fault tolerant computers cannot be overstated, especially in critical industries. For instance, in healthcare, a failure in a medical device could jeopardize patient safety. Similarly, in financial services, a system outage could lead to significant monetary losses and damage to a company's reputation. Therefore, investing in fault tolerant computers is not just a technical decision; it is a strategic one that can protect an organization’s assets and ensure continuity of service.In conclusion, fault tolerant computers represent a crucial advancement in computer technology, providing resilience and reliability in the face of inevitable failures. By incorporating redundancy, error detection, and distributed computing, these systems ensure that organizations can operate smoothly even under adverse conditions. As technology continues to evolve, the demand for fault tolerant computers will only grow, making them an indispensable part of modern computing infrastructure.
在现代科技时代,计算机系统的可靠性和可用性至关重要。这个领域最重要的进展之一就是开发了容错计算机。容错计算机被设计为即使在硬件或软件故障的情况下也能继续正常运行。这种能力对于需要高可用性的系统至关重要,例如航空航天、银行和电信等行业使用的系统。容错的概念不仅仅是关于防止故障;它还涉及确保当故障发生时,系统能够优雅地恢复,而不会造成显著的停机时间或数据丢失。容错计算机的架构通常包括冗余组件。例如,一个系统可能有多个处理器、内存模块或电源。如果一个组件发生故障,系统可以自动切换到备用组件,从而无缝继续操作。这种冗余可以在多个层面上实现,包括硬件、软件和网络层。通过设计具有这些冗余的系统,组织可以最大限度地减少与意外故障相关的风险。此外,容错计算机采用各种技术来检测和纠正错误。错误检测代码,例如奇偶校验位和校验和,通常用于识别数据传输或存储中的问题。一旦检测到错误,系统可以使用错误修正算法在用户干预之前修复问题。这些方法确保数据的完整性保持不变,这对准确性至关重要的应用程序尤其重要。容错计算机的另一个重要方面是其执行诊断和监控的能力。先进的系统可以持续检查其组件的健康状况,并预测潜在的故障。这种主动的方法使组织能够安排维护并在故障导致系统停机之前更换故障部件。因此,企业可以保持高水平的生产力,并减少与计划外停机相关的成本。除了硬件和软件冗余之外,容错计算机通常还结合了分布式计算原则。在分布式系统中,任务分散到多台机器上,这些机器可以共同工作以实现共同目标。如果一台机器发生故障,其他机器可以接管其职责,从而确保整体系统保持运行。这种设计对云计算环境特别有益,因为资源可以根据需求动态分配。容错计算机的重要性不容小觑,尤其是在关键行业。例如,在医疗保健中,医疗设备的故障可能危及患者安全。同样,在金融服务中,系统停机可能导致重大经济损失和公司声誉受损。因此,投资于容错计算机不仅仅是技术决策;这是一项战略决策,可以保护组织的资产并确保服务的连续性。总之,容错计算机代表了计算机技术的重要进步,在不可避免的故障面前提供了韧性和可靠性。通过结合冗余、错误检测和分布式计算,这些系统确保组织即使在不利条件下也能顺利运营。随着技术的不断发展,对容错计算机的需求只会增加,使其成为现代计算基础设施中不可或缺的一部分。
相关单词