subnet
简明释义
n. [计] 子网络，[计] 分支网络
英英释义
单词用法
n. 子网掩码 |
同义词
反义词
例句
1.Private subnet configuration between head node and compute nodes.
配置头节点和计算节点之间的子网。
2.OSPF was designed to support variable-length subnet masking (VLSM).
OSPF设计为支持可变长度子网掩码。
3.SAMBA name server AIXFVT21 is now a local master browser for the workgroup SAMBA on subnet 9.124.101.199.
SAMBA名称服务器AIXFVT21现在是9.124.101.199子网上SAMBA工作组的本地主浏览器。
4.You can't predict IP addresses or even ensure that two servers will be on the same subnet.
您无法预测IP地址，甚至无法肯定两个服务器在同一个子网上。
5.Netmask (also known as subnet mask) : 255.255.255.0.
掩码(也称为子网掩码)：255.255.255.0。
6.One thing I find very confusing about this tool is the Subnet Mask entry.
有一件事我觉得很困惑这个工具是子网掩码条目。
7.subnet configures this server to respond to requests from other servers regardless of where they are in the network.
subnet 将该服务器配置为响应其他服务器的请求，而不考虑这些服务器在网络中的位置。
8.It is used in between Intranet and extranet, and Intranet protection product between each subnet.
它是用于内部网与外部网之间，以及内部网各子网之间的防护产品。
9.You can use a subnet to isolate traffic between different segments.
你可以使用子网来隔离不同段之间的流量。
10.Each department has its own subnet to improve security.
每个部门都有自己的子网以提高安全性。
11.Make sure the devices are on the same subnet to communicate.
确保设备在同一个子网中才能进行通信。
12.The subnet mask determines the size of the network.
子网掩码决定了网络的大小。
13.We need to configure a new subnet for the office network.
我们需要为办公室网络配置一个新的子网。
作文
In the world of computer networking, understanding the concept of a subnet is essential for anyone looking to manage or design networks effectively. A subnet (子网) is a segmented piece of a larger network, allowing for better organization of IP addresses and improved network performance. By dividing a large network into smaller, manageable pieces, administrators can enhance security, reduce congestion, and optimize traffic flow. The primary purpose of a subnet is to create a more efficient routing system. When a network is divided into subnets (子网), each subnet can have its own unique range of IP addresses. This means that devices within the same subnet can communicate with each other directly without needing to go through a router, which significantly speeds up data transfer. For instance, in a corporate environment, different departments can be assigned their own subnets, ensuring that their communications are fast and secure.Furthermore, subnets (子网) play a crucial role in enhancing security. By isolating different parts of a network, it becomes more difficult for unauthorized users to access sensitive information. For example, if a company has a public-facing website and an internal database, placing them on separate subnets ensures that even if the website is compromised, the internal database remains secure. This segmentation is a fundamental principle of network security, as it limits the potential damage caused by a breach.Additionally, managing a network with subnets (子网) allows for better utilization of IP addresses. In IPv4, the number of available addresses is limited, leading to potential shortages. By using subnets, organizations can allocate IP addresses more efficiently, ensuring that each device gets the address it needs without wasting resources. For example, a company with multiple branches can use subnets to assign IP addresses based on the number of devices in each location, avoiding the waste of unused addresses.Another significant advantage of using subnets (子网) is the ability to implement Quality of Service (QoS) policies. By categorizing traffic based on subnets, network administrators can prioritize certain types of data, ensuring that critical applications receive the bandwidth they require. For instance, in a scenario where video conferencing is essential for business operations, prioritizing traffic from that subnet can lead to smoother and more reliable communication.In conclusion, the concept of a subnet (子网) is vital in modern networking. It not only improves performance and security but also ensures efficient use of resources. As networks continue to evolve and expand, the importance of understanding and implementing subnets will only grow. For anyone involved in network management or design, mastering the principles of subnetting is a crucial step towards creating robust and efficient network infrastructures.
在计算机网络的世界中，理解“subnet”这个概念对于任何希望有效管理或设计网络的人来说都是至关重要的。subnet（子网）是一个较大网络的分段部分，它允许更好地组织IP地址并提高网络性能。通过将大型网络划分为更小、更易于管理的部分，管理员可以增强安全性、减少拥塞并优化流量。 subnet的主要目的是创建一个更高效的路由系统。当一个网络被划分为多个subnets（子网）时，每个subnet可以拥有自己独特的IP地址范围。这意味着同一subnet内的设备可以直接进行通信，而无需通过路由器，这显著加快了数据传输速度。例如，在企业环境中，不同部门可以被分配各自的subnets，确保它们的通信快速而安全。此外，subnets（子网）在增强安全性方面也起着至关重要的作用。通过隔离网络的不同部分，未经授权的用户访问敏感信息变得更加困难。例如，如果一家公司有一个面向公众的网站和一个内部数据库，将它们放置在不同的subnets上可以确保即使网站遭到破坏，内部数据库仍然保持安全。这种分段是网络安全的基本原则，因为它限制了入侵造成的潜在损害。此外，管理一个拥有subnets（子网）的网络可以更好地利用IP地址。在IPv4中，可用地址的数量是有限的，导致潜在的短缺。通过使用subnets，组织可以更有效地分配IP地址，确保每个设备都获得所需的地址，而不会浪费资源。例如，一家拥有多个分支机构的公司可以使用subnets根据每个位置的设备数量分配IP地址，从而避免未使用地址的浪费。使用subnets（子网）的另一个重要优势是能够实施服务质量（QoS）策略。通过根据subnets对流量进行分类，网络管理员可以优先考虑某些类型的数据，确保关键应用程序获得所需的带宽。例如，在视频会议对于商业运营至关重要的情况下，优先处理来自该subnet的流量可以导致更顺畅和更可靠的通信。总之，“subnet”（子网）这一概念在现代网络中至关重要。它不仅提高了性能和安全性，还确保了资源的有效利用。随着网络的不断发展和扩展，理解和实施subnets的重要性只会增加。对于任何参与网络管理或设计的人来说，掌握subnetting的原则是创建强大而高效的网络基础设施的关键步骤。
