high level data link control

简明释义

高级数据链路控制

英英释义

High Level Data Link Control (HDLC) is a bit-oriented synchronous data link layer protocol used for transmitting data over point-to-point and multipoint links. It provides mechanisms for error detection, framing, and flow control.

高级数据链路控制(HDLC)是一种面向比特的同步数据链路层协议,用于在点对点和多点链路上发送数据。它提供了错误检测、帧结构和流量控制的机制。

例句

1.In the protocol stack, high level data link control is essential for managing data flow.

在协议栈中,高层数据链路控制对于管理数据流至关重要。

2.The high level data link control protocol ensures that packets are delivered without errors.

高层数据链路控制协议确保数据包无误地传送。

3.The new software update improved the high level data link control mechanisms for better performance.

新的软件更新改善了高层数据链路控制机制,以提高性能。

4.The network engineer implemented high level data link control to ensure reliable communication between devices.

网络工程师实施了高层数据链路控制以确保设备之间的可靠通信。

5.During the training session, we learned about high level data link control and its applications in networking.

在培训课程中,我们学习了高层数据链路控制及其在网络中的应用。

作文

In the realm of computer networking and telecommunications, protocols play a crucial role in ensuring effective communication between devices. One such protocol is high level data link control, often abbreviated as HDLC. This protocol is designed to provide a reliable means of transferring data over various types of networks. Understanding high level data link control is essential for professionals in the field, as it facilitates efficient data exchange and helps maintain the integrity of transmitted information.The primary function of high level data link control is to manage the flow of data between two nodes in a network. It operates at the data link layer of the OSI model, which is responsible for node-to-node data transfer and error detection. By establishing a connection between devices, high level data link control ensures that data packets are sent and received accurately, preventing loss or corruption of information.One of the key features of high level data link control is its ability to support multiple types of data transmission. Whether it is point-to-point communication or multipoint communication, this protocol can adapt to different network configurations. This flexibility makes high level data link control a valuable tool for organizations that rely on diverse communication systems.Another significant aspect of high level data link control is its error detection and correction capabilities. The protocol employs various techniques to identify and rectify errors that may occur during data transmission. For instance, it uses checksums and cyclic redundancy checks (CRC) to verify the integrity of the data being sent. If an error is detected, high level data link control can request the retransmission of the affected data packets, ensuring that the receiver obtains accurate information.Moreover, high level data link control provides flow control mechanisms that prevent data overflow at the receiving end. By regulating the pace at which data is transmitted, it ensures that the receiving device can process incoming information without becoming overwhelmed. This is particularly important in environments where large volumes of data are exchanged, as it helps maintain optimal performance and reduces the likelihood of data loss.In addition to its technical functionalities, understanding high level data link control also involves recognizing its applications in real-world scenarios. For example, HDLC is widely used in various telecommunications systems, including satellite communications, point-of-sale terminals, and industrial automation. Its robustness and reliability make it a preferred choice for organizations that require secure and efficient data transfer.As technology continues to evolve, the importance of protocols like high level data link control cannot be overstated. With the increasing reliance on digital communication and data exchange, professionals in the field must stay informed about the latest advancements and best practices related to HDLC. This knowledge not only enhances their technical skills but also enables them to contribute to the development of more efficient and secure communication systems.In conclusion, high level data link control is a fundamental protocol in the field of networking that ensures reliable data transmission between devices. Its features, including error detection, flow control, and adaptability to various communication scenarios, make it an indispensable tool for professionals in the industry. As we move forward in an increasingly connected world, mastering the principles and applications of high level data link control will be vital for anyone involved in telecommunications and data networking.

在计算机网络和通信领域,协议在确保设备之间有效通信方面发挥着至关重要的作用。其中一种协议是高层数据链路控制,通常缩写为HDLC。该协议旨在提供一种可靠的数据传输方式,适用于各种类型的网络。理解高层数据链路控制对于该领域的专业人士至关重要,因为它促进了高效的数据交换,并有助于维护传输信息的完整性。高层数据链路控制的主要功能是管理网络中两个节点之间的数据流。它在OSI模型的数据链路层操作,该层负责节点到节点的数据传输和错误检测。通过在设备之间建立连接,高层数据链路控制确保数据包的准确发送和接收,防止信息的丢失或损坏。高层数据链路控制的一个关键特性是支持多种类型的数据传输。无论是点对点通信还是多点通信,该协议都能适应不同的网络配置。这种灵活性使得高层数据链路控制成为依赖多样化通信系统的组织的宝贵工具。高层数据链路控制的另一个重要方面是其错误检测和纠正能力。该协议采用各种技术来识别和纠正数据传输过程中可能发生的错误。例如,它使用校验和和循环冗余检查(CRC)来验证所发送数据的完整性。如果检测到错误,高层数据链路控制可以请求重新传输受影响的数据包,从而确保接收方获得准确的信息。此外,高层数据链路控制提供流量控制机制,以防止接收端的数据溢出。通过调节数据传输的速度,它确保接收设备能够处理传入的信息,而不会感到不堪重负。这在大量数据交换的环境中尤为重要,因为它有助于保持最佳性能并减少数据丢失的可能性。除了其技术功能外,理解高层数据链路控制还涉及认识其在现实场景中的应用。例如,HDLC广泛用于各种电信系统,包括卫星通信、销售终端和工业自动化。其稳健性和可靠性使其成为需要安全高效数据传输的组织的首选。随着技术的不断发展,像高层数据链路控制这样的协议的重要性不可低估。随着对数字通信和数据交换的日益依赖,该领域的专业人士必须及时了解与HDLC相关的最新进展和最佳实践。这种知识不仅增强了他们的技术技能,还使他们能够为开发更高效和安全的通信系统做出贡献。总之,高层数据链路控制是网络领域的一项基本协议,确保设备之间可靠的数据传输。其特性,包括错误检测、流量控制和对各种通信场景的适应性,使其成为行业专业人士不可或缺的工具。随着我们在一个日益互联的世界中前进,掌握高层数据链路控制的原则和应用将对任何参与电信和数据网络的人至关重要。

相关单词

data

data详解:怎么读、什么意思、用法