Light Reading
Beginners' Guides
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Mobile WiMax
Beginners' Guides  | 
5/14/2007  |  Post a comment
Worldwide Interoperability for Microwave Access, for faster, more robust radio links
Optical Modulation
Beginners' Guides  | 
11/19/2001  |  12 comments
The switching on and off of laser light in order to represent information in an optical network
Optical Detection & Regeneration
Beginners' Guides  | 
10/9/2001  |  Post a comment
The conversion of noisy optical signals into clean electrical signals
Optical Networks
Beginners' Guides  | 
8/2/2001  |  Post a comment
Optical fibers connecting locations many miles apart, and carrying information in the form of on-off flashes of laser light
Optical Fiber
Beginners' Guides  | 
8/2/2001  |  18 comments
Very thin strands of pure silica glass through which laser light travels in an optical network
Wavelength Division Multiplexing (WDM)
Beginners' Guides  | 
8/2/2001  |  149 comments
Transmitting many different colors (wavelengths) of laser light down the same optical fiber at the same time, in order to increase the amount of information that can be transferred
Formatting for Transmission
Beginners' Guides  | 
8/1/2001  |  1 comment
The conversion of data into 1s and 0s, and the different ways in which these signals can be transmitted through optical fiber
Optical Networking Glossary
Beginners' Guides  | 
8/1/2001  |  5 comments
Optical Units Reference
Beginners' Guides  | 
8/1/2001  |  Post a comment
Multipliers, Optical Power, Gain & Loss, Wavelength & Frequency, and Bandwidth & Optical Modulation Bandwidth
Protocol Basics
Beginners' Guides  | 
8/1/2001  |  6 comments
Forms of communication among network devices to enable the exchange of information
Sonet (Synchronous Optical NETwork) and SDH (Synchronous Digital Hierarchy)
Beginners' Guides  | 
8/1/2001  |  23 comments
Physical-layer protocol that frames data for fast and reliable transmission over optical fiber
Internet Protocol (IP)
Beginners' Guides  | 
8/1/2001  |  2 comments
A network-layer protocol that puts Internet data into packets and helps them to be routed over interconnected local area networks (LANs)
Multiprotocol Label Switching (MPLS)
Beginners' Guides  | 
8/1/2001  |  4 comments
A protocol for the swift routing of data streams, bringing improved performance and quality-of-service options to IP traffic
Asynchronous Transfer Mode (ATM)
Beginners' Guides  | 
8/1/2001  |  12 comments
A data-link layer protocol allowing integration of voice and data with the ability to provide quality-of-service guarantees
Ethernet
Beginners' Guides  | 
8/1/2001  |  79 comments
A data-link layer protocol commonly used to transfer Internet Protocol (IP) packets over cables in local area networks (LANs)
Digital Wrappers and Forward Error Correction (FEC)
Beginners' Guides  | 
8/1/2001  |  16 comments
An encapsulation method for traffic of all protocols, allowing an optical network to be protocol transparent, its functions to be managed in an efficient manner, and its data to be transmitted more reliably
Laser Basics
Beginners' Guides  | 
8/1/2001  |  Post a comment
Devices giving out intense light at one specific color
Distributed Feedback (DFB) Lasers
Beginners' Guides  | 
8/1/2001  |  Post a comment
Lasers giving out a very sharply defined color of light
Tunable Lasers
Beginners' Guides  | 
8/1/2001  |  9 comments
Lasers that can be adjusted to emit one of several different wavelengths
Vertical Cavity Surface Emitting Lasers (VCSELs)
Beginners' Guides  | 
8/1/2001  |  Post a comment
Lasers that emit light from their surface in contrast with regular 'edge emitters'
Optical Amplification
Beginners' Guides  | 
8/1/2001  |  Post a comment
Boosting of an optical signal without any conversion of the light into an electrical signal
Erbium Doped-Fiber Amplifiers (EDFAs)
Beginners' Guides  | 
8/1/2001  |  7 comments
Optical amplifiers made of short lengths of optical fiber doped with the element 'erbium'. A laser excites erbium ions in the fiber, which can then give their energy to optical signals passing through
Raman Amplification
Beginners' Guides  | 
8/1/2001  |  25 comments
Optical amplification process throughout the actual transmission fiber in an optical network, caused by a carefully selected pump-laser wavelength scattering from atoms in the fiber and changing its wavelength to that of the optical signal
Semiconductor Optical Amplifiers (SOAs)
Beginners' Guides  | 
8/1/2001  |  4 comments
Similar to regular lasers, but with an optical signal being amplified by stimulating light emission
Nonlinear Effects
Beginners' Guides  | 
8/1/2001  |  Post a comment
High optical powers causing various effects on signals in optical fibers, usually detrimental
Chromatic Dispersion and Polarization Mode Dispersion (PMD)
Beginners' Guides  | 
8/1/2001  |  Post a comment
The spreading out of light pulses in time due to different wavelengths traveling at different speeds (chromatic dispersion) or different polarization states traveling at different speeds (polarization mode dispersion)
Arrayed Waveguide Gratings (AWGs)
Beginners' Guides  | 
8/1/2001  |  Post a comment
Integrated optical circuits that can combine (multiplex) or separate (demultiplex) different wavelength signals in an optical network
Fiber Bragg Gratings (FBGs)
Beginners' Guides  | 
8/1/2001  |  8 comments
Small sections of optical fiber that act like selective mirrors, only reflecting back specific wavelengths
Submarine Systems
Beginners' Guides  | 
8/1/2001  |  Post a comment
Optical fiber links connecting countries through the world's oceans
Optical Crossconnects
Beginners' Guides  | 
8/1/2001  |  41 comments
Devices that can switch optical signals between different optical fibers, without the need for conversion to electrical signals
Advanced Fiber Types
Beginners' Guides  | 
8/1/2001  |  1 comment
Optical fiber designed to work with, or in place of, conventional fiber in order to improve overall system performance


Flash Poll
From The Founder
Anshul Sadana answers questions from Steve Saunders, Light Reading's founder and CEO, about Arista's CloudVision, a global cloud network controller for workload orchestration and workflow automation delivering a turnkey solution for cloud networking.
Live Streaming Video
CLOUD / MANAGED SERVICES: Prepping Ethernet for the Cloud
Moderator: Ray LeMaistre Panelists: Jeremy Bye, Leonard Sheahan
LRTV Custom TV
End-User or Enterprise Benefits to the New IP

7|30|15   |   04:27   |   (1) comment


Andrew Coward discusses what the New IP means to end users or enterprise customers. He explains compelling reasons, including how every customer can get their own network, from the transformation to the New IP.
LRTV Custom TV
Network Visibility & the New IP

7|30|15   |   02:23   |   (0) comments


Mukund Srigopal provides an explanation of what network visibility is and how it is essential as service providers transition to the New IP. In addition, the importance of the network packet broker is discussed.
Between the CEOs
Video Exclusive With Basil Alwan, Alcatel-Lucent

7|24|15   |   26:44   |   (5) comments


Basil Alwan, President of IP Routing & Transport at Alcatel-Lucent, discusses virtualization, cultural challenges, the capex crunch and more with Light Reading founder and CEO Steve Saunders.
LRTV Custom TV
VDF: Enable the Financial With Mobile Money

7|20|15   |   06:53   |   (0) comments


Ian Ravenscroft discusses how operators can expand to occupy the entire digital services value chain through service innovation.
LRTV Custom TV
Telefónica on OSS Transformation

7|20|15   |   06:01   |   (0) comments


Jose Gonzales discusses the details of Telefónica's operation transformation program.
LRTV Custom TV
Judi Achmadi on Huawei's Cloud Storage Solution

7|20|15   |   03:33   |   (0) comments


Judi discusses the key business goals of TelekomSigma's public cloud service and how Huawei's solution helps them address challenges.
LRTV Custom TV
KPN Enlightening Digital Business & IT Transformation

7|20|15   |   06:19   |   (0) comments


Rob de Beer discusses the changes that operators need to make with service innovation now coming from the Internet world.
LRTV Custom TV
Stratus Telco-Grade Cloud Solutions & NFV

7|20|15   |   07:34   |   (0) comments


Ali Kafel from Stratus Technologies addresses high-availability concerns within the telco industry with a solution that enables telcos to provide high-availability and stateful fault-tolerance using a software-based approach.
LRTV Documentaries
The Six Million Dollar Business Man

7|20|15   |   01:52   |   (0) comments


Steve Saunders, publisher. A man barely alive after an acquisition malfunction imploded the company he founded. Gentlemen, we can rebuild Light Reading. Better, faster, stronger.
Between the CEOs
CEO Chat With Anukool Lakhina, Guavus

7|20|15   |   38:51   |   (1) comment


Guavus CEO Anukool Lakhina talks to Light Reading founder and CEO Steve Saunders about the role of operational analytics in the communications services and networking sectors, particularly in relation to IoT.
LRTV Custom TV
IBM's Flash Storage With Intel QuickAssist

7|20|15   |   03:18   |   (0) comments


Intel's Bev Crair and IBM's Eric Herzog discuss how IBM's V9000 Flash Storage System has helped customers around the world. Featuring real-time compression powered by Intel QuickAssist Technology, the V9000 is a next-gen flash storage solution.
LRTV Huawei Video Resource Center
Thailand's AIS: Transforming to an FMC Operator

7|17|15   |   4:53   |   (0) comments


Saran Phaloprakarn, Senior VP of Fixed Broadband Business Management of Thailand's AIS, was a keynote speaker at the first Asia-Pacific Ultra Broadband Summit in Bangkok. In this video, he talks to Heavy Reading about transforming into an FMC (FBB+MBB+Content) operator.
Upcoming Live Events
September 16-17, 2015, The Westin Galleria Dallas, Dallas, TX
September 16, 2015, The Westin Galleria Dallas, Dallas, TX
September 16, 2015, The Westin Galleria Dallas, Dallas, TX
September 29-30, 2015, The Westin Grand Müchen, Munich, Germany
October 14-15, 2015, New Orleans Ernest N. Morial Convention Center, New Orleans, LA
November 5, 2015, Hilton Santa Clara, Santa Clara, CA
November 17, 2015, Santa Clara, California
December 1, 2015, The Westin Times Square, New York City
All Upcoming Live Events
Infographics
Network operators start seeing savings from NFV in the first year, according to a study by Affirmed Networks and ACG.
Hot Topics
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RJio to Launch Its Own 4G Devices Brand
Gagandeep Kaur, Contributing Editor, 7/27/2015
Easing the Tech Pains for the Homeless
Carol Wilson, Editor-at-large, 7/28/2015
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September 22, 2015
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Webinar Archive
BETWEEN THE CEOs - Executive Interviews
Basil Alwan, President of IP Routing & Transport at Alcatel-Lucent, discusses virtualization, cultural challenges, the capex crunch and more with Light Reading founder and CEO Steve Saunders.
Guavus CEO Anukool Lakhina talks to Light Reading founder and CEO Steve Saunders about the role of operational analytics in the communications services and networking sectors, particularly in relation to IoT.
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