Throughput In Communication Systems

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2.4.2 Throughput

In general terms, throughput is the rate of production or the rate at which something can be processed. When used in the context of communication networks, such as Ethernet or packet radio, throughput or network throughput is the rate of successful message delivery over a communication channel. The data these messages belong to may be delivered over a physical or logical link or it can pass through a certain network node. Throughput is usually measured in bits per second, and sometimes in data packets per second or data packets per time slot. The system throughput or aggregate throughput is the sum of the data rates that are delivered to all terminals in a network. The throughput of a communication system may be affected by …show more content…

Hotspots typically use Wi-Fi technology. Hotspots may be found in various public establishments in many developed urban areas throughout the world. A hotspot is differentiated from a wireless access point which is the hardware device used to provide the wireless network service. For users of portable computers equipped for wireless, a hotspot is a wireless LAN (local area network) node that provides Internet connection and virtual private network (VPN) access from a given location. For example, a business traveler with a laptop equipped for Wi-Fi can look up a local hot spot, contact it, and get connected through its network to reach the Internet and their own company remotely with a secure …show more content…

Subscription-based hotspot accounts work similar to mobile phone accounts and are usually a time-based subscription service. Once you have registered an account with the provider you access their hotspot in the same way that you would connect to any wireless network. When using subscription based services if you go over your allocated time for your specific plan you will usually pay a higher per minute rate for connectivity. A public hotspot is not nearly as secure as your corporate or home network. In fact, most public hotspots don't offer any security at all, making these types of wireless networks inherently unsecure. This is because encryption methods such as WEP and WPA, which are usually used to protect private wireless networks, are not implemented due to the complexities of supporting users. For security and privacy reasons there are some precautions and things to consider when connecting to a public hotspot to make your connection more secure. Using an open public network is the easiest way to create a free hotspot. All that is needed is a Wi-Fi router. Similarly, when users of private wireless routers turn off their authentication requirements, opening their connection, intentionally or not, they permit sharing by anyone in

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