All Posts in "COMPUTER NETWORKS"

Switched Backbone Networks

Switched backbone networks can support very high traffic volumes, but the performance can be limited by poor interconnectivity. In addition to the complexity of backbone devices, some newer technologies still lack fully developed standards. In this article, we’ll look at Star topology, Layer 2 switches, Gigabit Ethernet, and ATM-25. To learn more, read our articles on Ethernet and ATM. This will help you decide which backbone technology is right for your business.

Star topology

A star topology in a switched backbone network allows multiple sites to communicate with each other through one central site. The central site is called a core switch. The second switch is connected to the core switch through chassis stacking technology, which assigns computers to segments using software and hardware. Each segment has a special subnet address that can be managed by a different network manager. The star topology is used in both wired and wireless networks.

Layer 2 switche

There are many benefits to using Layer 2 switches in switched backbone networks. They are similar to bridges in that they interconnect different networks at the layer 2 or MAC sublayer. These switches function like bridges and build tables of frames to be transferred between networks. Layer 3 switches use IP addresses and subnetting to route data packets. These switches are generally used in higher-capacity networks. Layer 2 switches have some unique features.

Gigabit Ethernet

Gigabit Ethernet is a network standard that uses the same framing structure as standard Ethernet, but supports data rates up to 1 Gbps. Gigabit Ethernet uses a technique called Carrier Sense Multiple Access/Collision Detect to identify and handle collisions. It also supports full duplex operation. Unlike traditional Ethernet, Gigabit Ethernet switches do not require a separate line.

ATM-25

One of the most important features of ATM-based switched backbone networks is the … Continue reading >>>

Michael Green by — October 18, 2022 in Backbone Networks
Types of Backbone Networks

You probably know that there are three types of backbone networks: Distributed, Switched, and Flat. Which one suits your needs best? Let’s explore these in more detail. Listed below are the benefits of each type, and what each one does best. If you’re unsure of which one to choose, consider these examples. These types of networks are the most commonly used, but there are several others you may want to consider as well.

Switched backbone

There are many different types of backbone networks, including switched, wired, and wireless networks. Switched backbone networks provide point-to-point connections at 155 Mbps. They can be highly flexible, as rack-mounted equipment can be moved from one LAN to another.

Switched Ethernet uses multiple encapsulation schemes, allowing data to pass between switches at different speeds. For example, switched Ethernet uses variable-length frames rather than fixed addresses to prevent address conflicts.

The Switched backbone is a logical structure that clearly segments the network into subnets. Each subnet is given its own subnet address, enabling it to be managed separately. This helps to improve performance. In addition, a routed backbone separates each network segment into independent subnets. Previously, the network was not fault-tolerant, and media could not be loaded because of format or failure.

Distributed backbone

The idea behind a distributed backbone network is to provide a scalable link between two points. In a traditional backbone, each node serves a single purpose – to transport data. However, modern backbone cyber-infrastructures can scale to cover vast distances. While most existing recovery schemes focus on single or limited-dual node failure, new research focuses on hardening performance in realistic settings.

In a distributed network, each switch is connected to multiple locations through a single backbone cable. To implement a WAN, multiple LANs are linked together using fiber. In a distributed network, … Continue reading >>>

Michael Green by — October 10, 2022 in Backbone Networks
The Definition of a Campus Network

The term campus network refers to a smaller network within an organization or region. Campus area networks combine multiple Local Area Networks. They combine the capabilities of the networks within one organization or region. The range of a campus network can be significantly lower than that of a wide area network. To understand this more, it is helpful to understand the definition of each. In this article, we’ll briefly define each of these three terms. You may also want to know how to distinguish between CANs and LANs.

CAN

Compared to wide area networks, campus area networks are much smaller in geographic spread. These networks serve as the network between campuses, government buildings, educational facilities, and military bases. Campus area networks extend from a few hundred meters to five kilometers. They are generally owned by the campus, which may be a university, government department, or corporate entity. While they may differ in size and geographic spread, they all provide the same speed of data transfer.

CANs provide Internet access to students and faculty and enable users to share files within the network. This network type provides lower latency than traditional WANs and MANs. As an example, a university English department might request a digital copy of a book from the library. If the library uses CAN, the digital copies would be sent within the building, rather than across the public Internet. In addition, users can share files more quickly since data transfer speed is higher on CANs.

MAN

A MAN is a campus area network that connects various sites together, usually using a single cable. These networks are often smaller than a LAN but have the same range. They generally operate within Layer 2 of the OSI model. They typically belong to a single network provider or consortium of users. … Continue reading >>>

Michael Green by — October 2, 2022 in Campus Networks
Campus Area Network Example

In this article, we will discuss LAN, MAN, and WAN, and explain how they relate to campus network design. You will also learn about how these different types of networks are connected to the internet and how they differ from each other. We will also look at the benefits of each type of network. You will be able to create a campus area network that works well for your institution.

Using these different types of networks is a great way to save money while ensuring a high level of security and convenience.

CAN

A campus area network is a computer network that connects a number of different departments on a campus. These networks are similar to local area networks but are not connected via LANs. These networks are interconnected using a router, which connects all of the departmental networks to the main network. In addition, a campus area network can be secured and used only for campus-related purposes, such as maintaining student and faculty information.

LAN

Corporate networks are increasingly using CAN to link critical departments and staff across campuses. CANs are typically made up of high-speed Ethernet links, which are typically 10 Gigabit. In addition to wired connections, CANs can also be set up using Wi-Fi hotspots. Google, for example, has already implemented a CAN on its campus. Here’s how it works. CANs are interconnected via routers and switches. The network’s data transfer rate is much higher than the Internet.

MAN

Campus area network (CAN) is a type of networking system used at educational institutions. It is a campus-wide network that connects different computer networks and is not part of the building’s LAN. It uses high-bandwidth copper or wireless media to connect buildings. This type of network is often managed by a wireless network controller or centralized node. The … Continue reading >>>

Michael Green by — September 29, 2022 in Campus Networks
Advantages and Disadvantages of Internetworking

There are numerous benefits of internetworking. The Internet has reduced our geographical and social isolation. In addition to this, we no longer have to live in an isolated society. We can now enjoy a more active and fulfilling lifestyle, as a result of our involvement with the Internet. But there are also some disadvantages of internetworking. Here are a few:

Social isolation

One study concluded that going online more often is an advantage in reducing social isolation. The researchers calculated that for every ten minutes spent online, the perception of loneliness decreases by 0.051 points. This reduction was small, but significant. Internet use by older adults is associated with lower levels of loneliness than other types of social isolation. However, the benefits of internetwork do outweigh the disadvantages. In addition to reduced loneliness, internetworking also helps people remain connected to others.

While many people fear that they may be isolated by using the internet, a recent national survey reveals that those who use the internet and mobile phones have larger, more diverse social networks than those who do not. While this finding is surprising, it still challenges some common beliefs about the benefits of Internetworking. In addition to reducing loneliness, internetworking can help people connect with others. So, the benefit of internetworking is definitely worth the risk.

Sedentary lifestyle

Many Americans spend about two hours per day watching television, and the rest of their free time is spent in front of a computer. A new study analyzed the data from 52,000 people between 2001 and 2016. Children and teenagers spend more time in front of the TV than they do exercising, and adults spend more time sitting in front of the computer. Those findings are concerning, as the benefits of a sedentary lifestyle have long been acknowledged.

The benefits of … Continue reading >>>

Michael Green by — September 20, 2022 in Internetworks