define bandwidth in computer network
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Network Bandwidth and Throughput
Bandwidth and Throughput are two important basic networking terms in computer network. If you wish to be an expert network administrator, you must have better understanding about these two networking terms. As a network user, you should also have better understanding about network bandwidth and throughput so that you can get maximum output from your network service provider. In this article, I will explain about network bandwidth and throughput from very beginning. I hope, this article will enrich your networking concept. What are Bandwidth and Throughput? Bandwidth In computer network, bandwidth is defined as the maximum number of bits that can flow through a network connection in a given period of time. The fundamental unit of network bandwidth is bits per second (bps). An ISP network connection that specified a bandwidth of 1Mbps means that in one second, maximum 100000 bits can be transferred across this connection. The term bandwidth is normally used in internet broadband subscription plan. Normally a higher bandwidth subscription plan will cost more than that of a lower bandwidth subscription plan. One thing to note is that even if you are subscribing a 1Mbps internet broadband plan, you may not get the full 1Mbps bandwidth when [...]
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MikroTik WiFi Frequency Band and Channel Width Explanation | January 10, 2020
MikroTik WiFi frequency, band and channel width tuning is an important task in any wireless network. If we fail to setup WiFi frequency and channel width parameter properly, we will notice a poor performance of wireless network. WiFi is aimed at use within unlicensed spectrum and the unlicensed spectrum that is usually used for WiFi is 2.4 GHz and 5 GHz band. 2.4 GHz and 5 GHz bands have multiple channels and these channels must be setup properly to get [...]
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DNS Server Configuration on CentOS 7 (Caching DNS with BIND) | June 24, 2019
DNS (Domain Name System) Server is an essential part to any computer network. Today web communication cannot imagine without DNS Server. DNS is a client server protocol where DNS Client requests for the domain name resolution and DNS Server response on it. Every network should have a DNS Server because local DNS Server improves network performance by caching DNS information and serving DNS request locally. DNS Server can be configured either Windows or Linux operating system. In this article, I [...]
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MikroTik DNS Client and Caching DNS Server Configuration | April 7, 2019
Domain Name Server (DNS) is an essential part in a computer network. Today web communication cannot imagine without DNS. DNS is a client server protocol where DNS Client requests for the domain name resolution and DNS Server response on it. MikroTik Router has both DNS Client and DNS Server features. The DNS Client is used to resolve domain name to IP address from a DNS Server. On the other hand, the DNS Server feature provides domain name resolution for the [...]
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How to Mount USB Device in CentOS 7 (NTFS and Linux FS) | February 18, 2019
USB Hard Disk Drive or USB Flash Drive (Pen drive) is a popular external device that can be used to backup data or transfer data from one device to other device. In GUI (Graphical User Interface) Operating System such as Window or GNOME Desktop in Linux can automatically mount USB device and can show data in it if the File System of that device is supported. But all users do not like or always do not have GUI mode of [...]
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phpMyAdmin with NGINX – Installation and Configuration | October 14, 2024
In modern web development, server management is a vital part. Two popular tools that assist in this process are Nginx and phpMyAdmin. Nginx is a high-performance web server, while phpMyAdmin is a widely-used web-based interface for managing MySQL or MariaDB databases. When combined, these tools provide a strong platform for serving dynamic web applications and managing their databases efficiently. What is Nginx? NGINX (pronounced “engine-x”) is an open-source web server that also functions as a reverse proxy, load balancer, and [...]
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How to Use Old Router as Range Extender to Boost WiFi Signal | October 7, 2019
WiFi is a technology to turn wired internet into WiFi internet and used in every home and office. Wireless internet gives you the freedom to use the internet without sitting in a single place. It is also true that speed performance drop in Wi-fi due to weak signal or interference. Sometimes laying a physical wired connection in every room is not possible. So Wi-Fi range extender setup helps you to boost signal strength. Instead of buying a new range extender [...]
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MikroTik VRRP Configuration with Load Sharing | November 19, 2018
MikroTik VRRP (Virtual Router Redundancy Protocol) ensures high availability internet network. If any organization requires uninterrupted internet connection, MikroTik VRRP implementation will be a vital solution for them. MikroTik VRRP creates a virtual router accumulating two or more physical routers and ensures uninterrupted internet connection keeping activate one physical router always. That means, if any physical router fails to operate due to any hardware failure, MikroTik VRRP uses another backup router for internet gateway until the running router comes back [...]
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MikroTik Site to Site SSTP VPN Setup with RouterOS Client | May 14, 2020
VPN (Virtual Private Network) technology provides a secure and encrypted tunnel across a public network. So, a private network user can send and receive data to any remote private network through VPN tunnel as if his/her network device was directly connected to that private network. Secure Socket Tunneling Protocol (SSTP) transports PPP tunnel over TLS channel. SSTP uses TLS channel over TCP port 443. So, SSTP VPN can virtually pass through all firewalls and proxy servers. Because of using TLS [...]
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MikroTik Hotspot HTTPS Redirect with Free SSL Certificate | June 21, 2020
SSL Certificate is required to enable HTTPS Login and HTTPS Redirect in MikroTik Hotspot. In one of my last articles I discussed how to configure MikroTik Hotspot HTTPS redirect and HTTPS login with MikroTik self-signed certificate. But self-signed certificate is not trusted by operating system. So, we get the following two issues if we configure HTTPS Login and HTTPS Redirect with self-signed certificate. Ask to proceed unsafe site: As browsers cannot trust self-signed certificate, it shows a warning message and [...]
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