What is the difference between LAN and WAN? What is the difference between LAN and WAN?

Difference Between WAN and LAN1. Wide area network: It is a remote network that connects computer communication in different regions of local area network or metropolitan area network.

2. Local area network: It is a regional network formed in a local area, and the distribution area is limited.

1. Wide area network: spanning a large physical range, covering a range from tens of kilometers to thousands of kilometers, it can connect multiple regions, cities and countries, or across several continents and can provide long-distance communication, forming an international long-distance network.

2. LAN: The coverage area of LAN is within a radius of several thousand meters, and it has the characteristics of convenient installation, cost saving, and convenient expansion.

Local Area Network

The coverage area of the LAN is generally within a radius of several thousand meters, and it has the characteristics of easy installation, cost saving, and convenient expansion, which makes it widely used in various offices. LAN can realize file management, application software sharing, printer sharing and other functions, in the process of use, by maintaining LAN network security, can effectively protect data security, to ensure that the LAN network can operate normally and stably.

The local area network connects various computers, external devices and databases in a certain area to form a computer communication network, and connects with the local area network or database in other places through special data lines to form a larger range of information processing systems. The LAN connects network servers, network workstations, printers and other network interconnection devices through network transmission media to realize system management files, share application software, office equipment, send work schedules and other communication services.

Wide Area Network

WAN is also known as WAN, extranet, and public network. It is a remote network that connects computer communication in different regions, either a local area network or a metropolitan area network. It is usually spanning a large physical range, covering a range of tens to thousands of kilometers, and it can connect multiple regions, cities and countries, or across several continents and provide long-distance communication to form an international long-range network.

A WAN is not the same as the Internet.

A local area network is a computer network that connects computers in a limited area, such as a home, school, laboratory, university campus, or office building. In contrast, WANs not only cover large geographical distances, but also often involve fixed leased lines and links to the Internet. In contrast, the Internet is much broader and is a system that connects businesses and personal computers around the world.

What is the difference between LAN and WAN?

LAN and WAN ranges are different. LAN is a closed computer group built by more than 2 computers with network cables and other network equipment in a fixed geographical area, with a range of several kilometers; A WAN is a collection of networks with a very large geographical span, ranging from tens of kilometers to thousands of kilometers.

The IP address settings are different. The LAN must have a unique IP address on the network, which is unique, and the IP address can still be used in another LAN. Each dedicated computer or other network device on a WAN has one or more WAN IP addresses and cannot be duplicated.

The way it is connected is different. LAN is connected by switches, while WAN is connected by routers.

Local Area Network (LAN).Refers to a network that connects multiple computers and devices together in a relatively small geographic area, such as an office, school, or home, through a physical connection (such as an Ethernet cable) or a wireless connection (such as Wi-Fi). Local area networks are often used to share files, printers, servers, and other resources, making it easy for devices to transfer and share data between them.

Wide Area Network (WAN).Refers to a network that covers a large geographical area, such as a network that connects different cities, countries, or continents. Wide area networks connect remote locations through the use of various communication technologies such as circuit switching, packet switching, and fiber optic transmission. Wide area networks provide the ability to transmit data over long distances, enabling computers and devices in remote locations to communicate with each other and access shared resources.

At present, the most common and cost-effective technology is SD-WAN enterprise networking.

Simply put, a LAN is a smaller network that is confined to a specific area, while a WAN is a larger network that connects locations that are far away. Local area networks are used for local internal communication and resource sharing, while wide area networks are used to connect remote locations and enable distributed communication and resource access.

LAN is small-scale. Use when there are fewer machines.

The term is (lan).

Wide area networks are large-scale. The machine is used a lot of times.

The term is (wan).

Intranet (LAN) and Extranet (WAN) are two different types of interconnected computer communication networks, with the following main differences.

1. Different coverage: the external network, which is what we usually call the Internet, is a network that covers the whole world, and the internal network mainly refers to the computer Internet network in a small area.

2. Different IP address allocation methods: each computer on the extranet has one or more WAN IP addresses, and WAN IP addresses can only be applied for after paying the fee at the ISP, and the WAN IP addresses cannot be repeated. Each computer on the intranet has one or more LAN IP addresses, and the LAN IP addresses are assigned within the LAN, and the IP addresses of different LANs can be duplicated and will not affect each other.

3. Different interconnection permissions: the exchange of data between the external network and the intranet computer should be carried out through the NAT (network address translation) of the router or gateway. Generally speaking, external connection requests initiated by computers in the LAN will not be blocked by routers or gateways.

However, in the vast majority of cases, the router or gateway intercepts requests from the WAN to connect to computers within the LAN.

The main differences between a LAN and a WAN are in the following aspects:

1.Scope: The scope of the LAN is relatively small, generally covering a building or a campus equipment; Whereas, WAN has a wider range and can span cities, countries, or even the world.

2.Topology: The topology of the LAN is usually star or bus, and local communication lines are used; The topology of the WAN is more complex, using long-distance communication lines, and can use a variety of structures such as star, ring, and mesh.

3.Transmission speed: Since the LAN covers a smaller area, its transmission speed is faster; On the other hand, WAN transmission speed is slower because it needs to cross long-distance communication lines, which will be affected by signal transmission delays and bandwidth limitations.

4.Security Zen: Since the scope of the LAN is relatively small, relatively strict security measures can be adopted to prevent unauthorized users from accessing the network; Wide area networks, on the other hand, have relatively loose security measures and are vulnerable to hacker and malicious attacks.

In summary, there are obvious differences between LAN and WAN in terms of range, topology, transmission speed, and security. For enterprise or individual users, you should choose the type of network that suits you according to your specific needs.

The difference between the two is simple.

Wide area network, large scope, now basically refers to the Internet (Internet) covering the entire country, covering the whole world, in the wide area network users can interconnect and share their information to others.

LAN, small range, usually can refer to the scale of an Internet café, or the scope of a whole building, the use of communication exchange equipment to connect various terminal equipment such as computers and mobile phones together, small scale, small range may be a room is the scope of an Internet café, the equipment in this can communicate with each other, but can not be connected to the outside network (such as the WAN is what we often call the Internet Internet), if you need to connect to the outside WAN also need to pull a fiber optic fiber, from the LAN to the WAN, In this way, the LAN is interconnected with the WAN, and of course, the LAN is also part of the WAN.