Technologies for the Internet of Things (IoT)
Internet of Things (IoT) refers to the effort to connect everyday objects to the Internet in order to make them smart. Many wireless technologies are used to make IoT a reality. More ...
How to Choose the Proper Fiber Optic Connector for Your FTTH (Fiber To The Home) Installation
Fiber optic connectors can be divided into three groups: simplex, duplex and multiple fiber connectors. Simplex connector means only one fiber is terminated in the connector. Duplex connector means two fibers are terminated in the connector. More ...
Overview of How DNS (Domain Name System) Works
This article presents a high-level overview of how DNS works. it focuses on the hostname-to-IP-address translation service. More ...
VPN (Virtual Private Network) headend or Concentrator
A VPN (Virtual Private Network) uses 'tunneling', a process by which secure, encrypted packets are sent over a publicly shared network. More ...
What is an Ethernet Switch?
An Ethernet switch is a networking device that is able to interrogate the data within the Ethernet Frames to provide forwarding and filtering and loop avoidance. More ...
Network Hubs
A hub lives at Layer 1 of the OSI model, so it does not make forwarding decisions. Instead, a hub receives bits on one port and then retransmits those bits out all other ports. Because of this a hub is sometimes called a repeater. More ...
Overview of IEEE 802.11 Wireless Lan Technology
Wireless LAN (WLAN) is a wireless broadband technology that utilizes radio frequency (RF) to transmit and receive data through the air There are two competing RF technologies in the use of Wireless LAN, the IEEE 802.11 standard and proprietary technologies. Both fall under wireless broadband technology. More ...
Spanning Tree Protocol (STP) Operation
When a switch receives a broadcast frame, the switch floods the frame out all switch ports other than the port on which the frame was received. More ...
Difference Between Unmanaged, Web Smart and Managed Switch
A network switch is used to route data over a communication network. There are four major types of a switches. It can either be an unmanaged switch, a managed switch, a smart switch or an enterprise managed switch. Each kind of switch has its own strengths and weaknesses. More ...
Data Center Management Best Practices
The use of an integrated best practices approach to data center management involves efficient management of resources while still minimizing the costs of all the different interrelated competing factors that require attention. More ...
Voice Over IP Protocols and Components
Voice over IP (VoIP) is a technology that digitizes speech into packets and transmits those packets across a data network. This allows voice, data, and video to share the same medium. More ...
Hubs, Switches and Routers - What's the Difference?
The terms "hub", "switch", and "router" are often used interchangeably and - in fact, the devices are quite different. Hubs are used to simply interconnect individual computers. Switches do the same more efficiently. However, routers interconnect different networks (as opposed to individual machines). More ...
Bluetooth Basics
Bluetooth wireless technology is a specification for a wireless connection that provides links between mobile computers, mobile phones, other portable handheld devices, and connectivity to the Internet. More ...
