Lan wan topologies. Network Topologies (LAN, MAN and WAN) 2022-10-31
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A LAN (Local Area Network) is a computer network that connects devices within a small geographic area, such as a home, office, or school. A WAN (Wide Area Network) is a network that spans a larger geographic area, such as a city, state, or even multiple countries.
There are several different topologies that can be used to configure a LAN or WAN. A topology is the physical layout of a network, including the devices and the connections between them.
One common LAN topology is the star topology, in which all devices are connected to a central hub or switch. This allows for easy expansion and flexibility, as new devices can be easily added to the network by simply connecting them to the hub. However, the central hub is a single point of failure, meaning that if it goes down, the entire network will be disrupted.
Another popular LAN topology is the ring topology, in which devices are connected in a circular fashion. In this configuration, data travels from one device to the next in a clockwise or counterclockwise direction. This topology is less common today due to its limited scalability and the fact that it is more prone to failure than other topologies.
A WAN can be configured using a variety of topologies, including point-to-point, mesh, and hybrid. In a point-to-point topology, two devices are directly connected through a dedicated link, such as a leased line or satellite connection. This is a simple and reliable configuration, but it can be expensive to maintain multiple point-to-point connections as the network grows.
A mesh topology, on the other hand, involves connecting multiple devices in such a way that each device has a direct connection to every other device on the network. This allows for increased redundancy and flexibility, as data can be routed through multiple paths if one route becomes unavailable. However, it can also be more complex to set up and manage.
A hybrid topology combines elements of other topologies, such as combining a star topology with a mesh topology. This allows for the benefits of both configurations, but it can also be more complex to set up and manage.
In conclusion, the choice of LAN or WAN topology will depend on the specific needs of the network and the resources available. It is important to carefully consider the trade-offs between scalability, reliability, and cost when selecting a topology.
Different types of network
Due to long-distance transmission, the noise and error tend to be more in WAN. Trustworthiness- Maintaining information consistency. Speed mismatches are one such reason for congestion in the WAN link. The metric used to define networks by topology is what clients they are using and how they are using them. Submitted By camplinked Words 522 Pages 3 There are many different types of network topologies, but the three most common types are LANs, MANs, and WANs.
Wide area network (WAN) topology. Computer and Network Examples
The PC1 NIC needs to determine if any device is transmitting on the medium. Like any other Networks, LAN also requires Hardware and Software components. This is an ideal set-up for the company because all three locations have less than 15 connections per site. Shaping can be used to ensure that data sent conforms to the specified CIR. Physical Layer Data Link Layer The Data Link Layer is responsible for transferring data over the communication channel provided by the Physical Layer. If the personal computers and a laser are connected to a network, the personal computers users each can access the laser printer on the network, as they.
Networks can be established using many types of physical interconnections usually referred to as the network topologies. Therefore, there is a process if more than one device transmits at the same time. Native ISDN equipment is comprised of devices that were built to be ISDN-ready, and they are called TE1 devices Terminal Equipment 1. A WAN could be a connection of LAN connecting to other LANs via telephone lines and radio waves and may be limited to an enterprise a corporation or an organization or accessible to the public. For example, data transfers between two different states in the U. LANs cover a smaller geographical area Size is limited to a few kilometers and are privately owned.
The most popular congestion avoidance mechanism is called Random Early Detection RED. Words: 3569 - Pages: 15 Premium Essay Nt 1210 Unit 5 Research Project 1. Wide Area Network WAN tackles the different geographical locations, such as branches on any other site or remote location, challenges that a LAN usually encounters. Speed High speed 1000 mbps Less speed 150 mbps Data transfer rates LANs have a high data transfer rate. Cell Mode MPLS is used in ATM networks and uses fields in the ATM header that are used as the label.
When configuring point-to-point Frame Relay, use point-to-point subinterfaces, which will not get the DLCI assignments from the LMI as in the multipoint situation. Using Ethernet cables, data transfer speed can reach up to 10 Mbps and by using FDDI or Gigabit Ethernet, data transfer speed can reach up to 1 Gbps. This allows different customers who are participating in the MPLS VPN to use the exact same IP address space. However, in most situations, this is not the case, so you will need to use some kind of advanced queuing technique, such as WFQ, CBWFQ, or LLQ. A hybrid is a variation or combination of any topologies. An essential concept is circuit-switched technology, the most relevant example of which is the Public Switched Telephone Network PSTN. The congestion management approach is called queuing.
Essentially, it is the topological structure of a network, and may be depicted physically or logically. ConceptDraw DIAGRAM is a valuable option to many network professionals that use Macintosh computers or work in a combined Mac and PC environment. As the queue fills up, more and more unimportant packets will be dropped randomly. The technology choices that the party adopts will be a critical part in the way their LAN performs. DSLAM is a DSL concentrator device that aggregates connections from multiple users. Firewalls prevent unauthorized access. Local area networks LANs allow computers and devices that are near each other — and usually making use of the same Ethernet cables, like the What is a WAN? Source node transmits a signal which is broadcast to all the other nodes via Bus cable.
Wide area network (WAN) topology. Computer and Network Examples
. . This bandwidth is considered very low according to modern networks requirements. The processes of invention and commercialization are far more complicated, but it is helpful to look at the fundamental development. In total, the solution has more than ten libraries including more than 500 vector icons of Cisco equipment. Other than that the other purposes that it serves are increased storage of data, more data sharing and cost efficiency.
. In a packet-switched infrastructure, shared bandwidth utilizes virtual circuits. . In other parts of the world i. Most service providers are well trained in supporting not only traditional data traffic but also voice and video services which are more delay-sensitive over large geographical distances. For graphic solutions that support Windows, only Microsoft Visio has a library of Cisco shapes.