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LANs Local Area Networks
BGP (Border Gateway Protocol)
BGP (Border Gateway Protocol) is a protocol that manages how packets are routed across the internet through the exchange of routing and reachability information between edge routers. Continue Reading
SD-WAN architecture: What to know before you buy
The hybrid WAN is here and this guide explains how to buy and build an SD-WAN architecture. Learn about key features and 'nice to haves' before you approach vendors and make an acquisition decision. Continue Reading
Learn about fiber optic cable types and why smaller is better
Learn about fiber optic cable types, how the most widely used one -- 62.5/125-micron loose tube -- is constructed, and why smaller is better when it comes to fiber optics. Continue Reading
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Understanding SDN components and where they're going
What is SDN, and how does it differ from NFV? In part two of this series, IT expert Andrew Froehlich explains SDN technologies and where we can expect to see them in the future. Continue Reading
overlay network
An overlay network is a telecommunications network that is built on top of another network and is supported by its infrastructure. Continue Reading
How to buy the best application delivery controller for your firm
An application delivery controller (ADC) sits between you and the web server farm to manage the traffic between you and any number of back-end servers. In other words, app delivery controllers control the delivery of the web application to you -- ...Continue Reading
PPP (Point-to-Point Protocol)
PPP (Point-to-Point Protocol) is a standard used to establish a direct connection between two network nodes that enables the transport of multiprotocol data.Continue Reading
phase-locked loop
A phase-locked loop (PLL) is an electronic circuit with a current-driven oscillator that constantly adjusts to match the frequency of an input signal, often used in wireless systems.Continue Reading
trunk
A trunk is a physical path or link in a communications system that interconnects major switching centers or nodes and is designed to handle many transmissions simultaneously.Continue Reading
orthogonal frequency-division multiplexing (OFDM)
Orthogonal frequency-division multiplexing (OFDM) is a digital modulation method that splits a signal into several narrowband channels carried on different frequencies to reduce interference.Continue Reading
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100Base-TX cable, or Fast Ethernet, explained
This tip reviews 100Base-TX cable fundamentals, including a breakdown of the term's meaning, how it works and related cable types that network pros need to know.Continue Reading
patch panel
A network patch panel is a mounted hardware unit containing ports used to interconnect and manage LAN cables as well as connect them to the internet and wide area networks.Continue Reading
network node
A network node is an endpoint or redistribution connection point for data transmissions on a communications network that can process or forward transmissions to other nodes.Continue Reading
How to estimate the ROI of a SD-WAN implementation
Going forward on a SD-WAN implementation is a big step for enterprises, but determining the return on investment can be a deciding factor in whether to crop more expensive MPLS lines.Continue Reading
Exploring the ins and outs of enterprise hardware pricing
Cloud computing has changed how businesses buy technology. How does the age of SaaS affect enterprise hardware pricing?Continue Reading