LAN stands for local area network, it is a group of computers and associated devices that share wired or wireless communication links. Generally, it connected devices share the resources of a single processor or a server within a small geographic area.
By definition, a local network does not exceed a few kilometers in size. It has the advantage of generally having speeds of at least 10 Megabits per second.
A LAN server can also act as a web server if security measures are taken to protect internal applications and prevent access to data from the outside.
LAN corresponds to a set of terminals connected together within the same physical location, often using the IP protocol. It could be for example the residence of an individual, but also, in the case of a company, a building or an office.
That it is local does not mean that this computer network is necessarily small. It can indeed bring together thousands of users and devices, such as PCs, IP phones, servers or network printers.
LAN (local area network)
Local area networks were first used by colleges and universities in the 1960s. These computer networks were used to catalog library collections, plan lessons, record student grades, and share material resources.
Local area networks only became popular with businesses after Xerox PARC developed Ethernet in 1976. The Chase Manhattan Bank in New York City was the first commercial use of this new technology.
In the early 1980s, many companies had an Internet network (intranet) made up of hundreds of computers that shared printers and files on one site.
After the releasing Ethernet, companies such as Microsoft & Novell developed software products to manage these Ethernet LANs. Over time, these networking tools have become an integral part of popular computer operating systems. Microsoft Windows 10 has some tools for setting up a home network.
Types of Local area Network (Lan)
Divided by coverage
Local area network LAN (ranging from a few meters to tens of kilometers) Metropolitan area network MAN (between WAN and LAN) Wide area network WAN (ranging from tens to thousands of kilometers) Classified by topology: Bus type ring star….new-pmd .c-abstract br{display: none;}
What are the common types of local area networks?
At present, common types of local area networks include: Ethernet (Ethernet), optical fiber distributed data interface (FDDI), asynchronous transfer mode (ATM), token ring network (TokenRing), switching network Switching, etc., they are in the topology, transmission medium
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