Distance Vector vs. Link State vs. Hybrid Routing
Routers direct traffic between networks or subnetworks to transport a packet to its destination. Distance Vector routing uses the hop count as its routing metric. Link State routing use statistics like distance, link speed, and traffic to calculate the cost of different routes through the Internet. 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 ...
Ethernet Bridges
Unlike a hub, which blindly forwards received bits, a bridge makes intelligent forwarding decisions based on the destination MAC address in a frame. More ...
System Area Network Interface Cards
Whereas the standard network may use twisted-pair cabling, the System Area Network may use separate fiber-optic cabling. System Area Network interface cards are special high speed circuits that provide communications between the servers over the System Area Network. More ...
Static Versus Dynamic Routing
Routers direct traffic between networks or subnetworks. With static routing a network administrator manually creates the router's routing table. With dynamic routing the router learn about networks use routing protocols like RIP, RIP2, EIGRP, OSPF, or BGP. 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 ...
ISP Multihoming Explained
Multihoming is essentially a method whereby a company can connect to more than one ISP at the same time. The concept was born out of the need to protect Internet access in the event of either an ISP link failure or an ISP internal failure. More ...
Troubleshooting Your Optical Fiber Networks - Introduction to OTDR
In fiber optic networks, OTDR (Optical Time Domain Reflectometer) is an opto-electronic instrument used to characterize an optical fiber. An OTDR may be used for estimating the fiber's length and overall attenuation, including splice and mated-connector losses. It may also be used to locate faults, such as breaks. 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 ...
Fiber Media Converter - What's the Use and How to Choose It
Fiber media converters are used to convert electrical signal to light signal and vice versa. They are basically used as network extenders to extend the distance from several hundreds of feet to several thousands meters. More ...
Here's a Quick Way to Build Your Fiber Optic Network
What is the most time consuming work in building a fiber network? Two works are usually thelargest line items in an fiber optic network installation budget: pulling the fiber optic cables and terminating or splicing the cables. 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 ...
VLAN (Virtual Local Area Network) Basics
"A VLAN is a LOGICAL network where devices might be on separate PHYSICAL networks. The purpose of implementing a VLAN is to improve the performance of a network or apply security features. More ...
