Week 2 Posting - Network Topology

Hello everyone, and welcome to week two! This week we are going to be talking about Network Topology, the way hardware connects to cables and to other hardware. There are many types of Network Topologies, such as Bus, Ring, Star, and hybrid topologies; Token Ring, Tree, Star Ring and Mesh. Today we are going to be focusing on Mesh Topologies.

There are two kinds of mesh topologies, fully meshed and partially meshed. Both kinds can be used for Wireless Local Area Networks, or WLAN, and wired Local Area Networks, or LAN. Both of these topologies can be cost prohibitive to implement if used in a physically connected network, but when used in a wireless network they can be quite inexpensive and easy to set up , even at home. Now, let's get into some specifics.

In a fully meshed network, all of the computers or nodes in a are physically connected to one another. This creates redundancy, which acts as a fail safe. In the event that one or more of the computers or nodes in the network goes down, the others can still communicate with each other. Here is a basic diagram of a fully meshed network.


In a partially meshed network, only two or more of the computers or nodes in the network have redundant connections, therefore, this is a cheaper alternative to a fully meshed topology when using wired connections. Here's a diagram of a partially meshed network.

That's it for this week, if you would like to learn more about network topologies, check out the links below.

HowStuffWorks - How Wireless Mesh Networks Work

Wikipedia - Network Topology


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