circuit switching

简明释义

通道转换

英英释义

例句

1.In traditional telephone networks, circuit switching 电路交换 is used to establish a dedicated communication path.

在传统电话网络中，circuit switching 电路交换 用于建立专用通信路径。

2.In a circuit switching 电路交换 system, the connection remains open for the duration of the call.

在circuit switching 电路交换 系统中，连接在通话期间保持开放。

3.The efficiency of circuit switching 电路交换 decreases with more simultaneous users.

随着同时用户的增加，circuit switching 电路交换 的效率降低。

4.The reliability of circuit switching 电路交换 makes it suitable for voice calls.

由于circuit switching 电路交换 的可靠性，它适合用于语音通话。

5.Unlike circuit switching 电路交换, packet switching allows multiple communications to share the same network path.

与circuit switching 电路交换 不同，分组交换允许多个通信共享同一路由。

作文

In the realm of telecommunications, various methods are employed to facilitate the transmission of data. One of the most traditional and significant techniques is known as circuit switching. This method establishes a dedicated communication path between two endpoints for the duration of the conversation or data transfer. Unlike packet switching, which breaks down data into packets and sends them independently, circuit switching ensures that the entire bandwidth is reserved for the session, providing a consistent and reliable connection.The concept of circuit switching dates back to the early days of telephone networks. When a call was made, the telephone exchange would create a physical circuit that connected the caller to the receiver. This circuit remained open for the entire duration of the call, allowing for uninterrupted voice communication. This approach worked well for voice calls, where a constant and stable connection is essential. However, as technology evolved and the demand for data transmission increased, the limitations of circuit switching became apparent.One of the main drawbacks of circuit switching is its inefficiency in utilizing network resources. Since the dedicated circuit remains reserved for the entire duration of the call, it can lead to wasted bandwidth, especially in scenarios where there are long periods of silence during a conversation. In contrast, packet switching allows multiple users to share the same bandwidth, making it a more efficient option for data transmission, particularly in an era where internet usage has skyrocketed.Despite its inefficiencies, circuit switching still holds relevance in specific applications. For instance, in scenarios where low latency and high reliability are paramount, such as in traditional telephony and some real-time communication systems, circuit switching is often preferred. The quality of service provided by this method is typically superior, as the dedicated circuit minimizes delays and packet loss, ensuring that the data reaches its destination promptly.Moreover, circuit switching has evolved alongside modern technologies. With the advent of digital communication, the principles of circuit switching have been integrated into various digital protocols. For example, Integrated Services Digital Network (ISDN) and Asynchronous Transfer Mode (ATM) utilize circuit switching concepts to provide both voice and data services over the same infrastructure, showcasing its adaptability in the face of changing technological landscapes.In conclusion, circuit switching is a fundamental technique in telecommunications that has shaped the way we communicate. While it may not be the most efficient method for all types of data transmission, its reliability and quality of service make it indispensable in certain contexts. As technology continues to advance, understanding the role of circuit switching alongside newer methods will be crucial for anyone involved in the field of telecommunications. This knowledge not only helps in appreciating the historical significance of circuit switching but also in recognizing its ongoing relevance in our increasingly interconnected world.

在电信领域，各种方法被用来促进数据的传输。最传统和重要的技术之一被称为电路交换。这种方法在两个端点之间建立一个专用的通信路径，持续整个通话或数据传输的过程。与分组交换不同，后者将数据分解为数据包并独立发送，电路交换确保在会话期间整个带宽被预留，从而提供一致可靠的连接。电路交换的概念可以追溯到电话网络的早期。当拨打电话时，电话交换机会创建一个物理电路，将呼叫者连接到接收者。这个电路在通话期间保持开放，允许不间断的语音通信。这种方法在语音通话中效果良好，因为稳定的连接是至关重要的。然而，随着技术的发展和数据传输需求的增加，电路交换的局限性变得显而易见。电路交换的主要缺点之一是其在利用网络资源方面的低效率。由于专用电路在整个通话期间都被保留，这可能导致带宽的浪费，尤其是在通话中存在长时间沉默的情况下。相比之下，分组交换允许多个用户共享同一带宽，使其成为数据传输的更高效选择，尤其是在互联网使用激增的时代。尽管存在低效率的问题，电路交换在特定应用中仍然具有相关性。例如，在延迟和高可靠性至关重要的场景中，如传统电话和某些实时通信系统，电路交换通常更受欢迎。这种方法提供的服务质量通常更优，因为专用电路可以最大限度地减少延迟和数据包丢失，确保数据及时到达目的地。此外，电路交换也随着现代技术的发展而演变。随着数字通信的出现，电路交换的原则已被整合到各种数字协议中。例如，综合业务数字网（ISDN）和异步转移模式（ATM）利用电路交换的概念，通过同一基础设施提供语音和数据服务，展示了其在技术变革面前的适应能力。总之，电路交换是电信中的一项基本技术，塑造了我们的沟通方式。虽然它可能不是所有类型数据传输的最有效方法，但其可靠性和服务质量使其在某些背景下不可或缺。随着技术的不断进步，理解电路交换在新方法中的角色对于任何参与电信领域的人来说都是至关重要的。这种知识不仅有助于欣赏电路交换的历史意义，还能认识到它在我们日益互联的世界中的持续相关性。