Network Design Examples For Project – Network topology is a graphical representation of a network in which network devices such as switches, routers, and software with switch and router functions are represented as nodes, while connections between devices are represented as lines. This representation includes physical and logical topologies.
Network topologies show the network layout and relative location of traffic flows, making them invaluable to network administrators who use these diagrams to find the best location for each node and determine the best traffic routes. A well-defined and organized network topology makes it easier to find faults and repair problems, improving the efficiency of data transfer over the network.
Network Design Examples For Project
Physical topology is the physical organization of a network. It refers to the arrangement of various network devices such as routers, switches, wireless access points, computers, etc., including the method used to connect these devices, ie. network cables. Knowing the physical topology of your network is important because it facilitates deployment, maintenance, and extension provisioning.
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Logical topology refers to the concept of data flow in a network. Describes how to configure a network, how to connect nodes together, including virtual and cloud resources, and how to transfer data across the network. A good understanding of logical topology is essential for effective network management and monitoring, ensuring that the network remains efficient and operational.
Before we dive into the different types of networking, let’s take a brief look at the components of networking, ie. nodes and network connections.
A network node is an endpoint or redistribution point of a network that can receive, create, store or transmit data over network paths to other network nodes. In network topology, nodes are typically devices connected by links. Typical nodes used in building a computer network are:
When you connect a computer to a network or show a computer as a network node, it is not the computer that performs this operation. This function is performed only by a piece of hardware inside the computer called a network interface controller (NIC). In addition to the necessary circuitry, a network card usually has a connector for connecting an Ethernet cable or an antenna for wireless communication. The network card therefore gives the computer access to the transport medium and processes the data flowing through the network.
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A repeater is a network device that reproduces Wi-Fi signals on the same network. Receives weak or damaged Wi-Fi signals and restores them to their original strength. A hub is simply an amplifier with multiple connectors.
Routers are network devices that send data packets between networks. It sends data packets between networks and processes the routing information contained in these packets.
A modem, short for modulator-demodulator, is a network device that helps your computer and other devices connect to the Internet.
A switch is a network device that allows other devices on the network to communicate and share information. In other words, a switch connects various devices like computers, printers, servers, etc.
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This is just a brief introduction to these online components. We discuss them in more detail in the following blog posts:
A connection or link refers to the transport medium used to connect nodes in a network. The connections are collectively called Ethernet and typically include Ethernet cables, fiber optic cables, and wireless networks. Therefore, they are divided into the following categories:
Choosing a wired or wireless technology for a corporate network is not easy. While price seems to be the main consideration, there are many other factors to consider. Especially for small and medium-sized businesses, wireless connectivity can provide overall savings. We recommend that you read the following blog articles to help you evaluate whether a wireless network is right for your business.
Network topology affects various aspects of the network, including data speed, security, and performance. There are several types of networking, each with its own advantages and disadvantages.
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That’s why it’s so important to thoroughly understand your network topology so you can choose the one that best suits your goals and business requirements. In this blog post, we’ll take an in-depth look at network topology so you can build the best computer network for your business needs.
As the name suggests, a point-to-point network topology has a dedicated connection between two endpoints, hence it is the simplest topology. The advantage of such a network is that all available network bandwidth is dedicated to two connected devices. You probably won’t use a point-to-point topology in your office network setup.
A serial daisy chain is another simple network that is created by connecting each node to an end in series. When data is transferred in a chained network, each node sends it in its own way until it reaches its destination. A daisy-chained network can come in two basic forms – linear (shown in the adjacent figure) and circular, which we will discuss later in this post.
A bus topology consists of a single cable, also called a bus, that runs from one end of the network to the other. In this network arrangement, each node is connected to a central cable or bus with a connector port. A signal containing an address and data sent from the source node travels in both directions to all nodes until it reaches the destination, which receives the data. If the address of the delivered signal does not match the address of the receiving node, the data part of the signal is ignored.
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Because it uses fewer cables, it is simple to build and less expensive than other networks. Adding new nodes to the network is easier and can be achieved by simply connecting additional cables with connectors.
Since the entire network relies on a single cable for data transmission, if this cable fails, the entire network will fail. This single point of failure is not ideal as it can cause significant downtime and will be time consuming and expensive to recover from. Bus infrastructure can be used appropriately in small networks with not many devices, but larger networks with high traffic volumes will suffer from low transmission rates. Additionally, troubleshooting and locating problems will be very time consuming for larger networks.
A star topology is one where each peripheral node is connected to a central hub or switch. This is probably the most common LAN topology because it is considered the easiest to design and implement. The hub acts as a server for edge nodes or clients. All network traffic passes through the central hub and this is the only requirement for a topology to be classified as a star topology; the network does not have to physically resemble a star.
As we mentioned earlier, ring topology is similar to chain topology, but with a closed loop so that the nodes are arranged in a ring or circle. Each node has exactly two peers, and data travels in one direction, passing through each intermediate node in the ring until it reaches its destination. Data can be sent in both directions by adding another link between network nodes, creating a double-ring topology.
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In a circular topology, electrical “tokens” are distributed throughout the network. Any node that wants to send data must wait until it has the token.
A mesh topology is one in which nodes are directly and dynamically connected to many other nodes. It consists of a complex structure of point-to-point connections between nodes. You can have a partial topology where some nodes have two or more connections, or a full mesh topology where all nodes are fully connected to every other node.
A botanical mesh has an unconventional structure, and nodes work together to efficiently route data. Due to the lack of dependence on a single node or path, each node can participate in sending information.
A hybrid topology is one in which two or more distinct topologies are combined to build a network in such a way that it does not exhibit any standard topology. Hybrid topology is commonly found in larger organizations, where individual departments may have customized networks based on their network needs and requirements.
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The most prominent advantage of hybrid topology is the flexibility and degrees of freedom it provides. With a hybrid network, there are very few restrictions on network configuration.
Any topology incorporated into a hybrid topology will have its drawbacks, so hybrid topology will not be free of problems. Moreover, as a hybrid network grows, the complexity of network management will also increase.
Tree topology is a hybrid network resulting from the combination of bus topology and star topology. The