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ALSO CALLED: Wavelength-division Multiplexing, WDM, Coarse Wavelength Division Multiplexing, Wave Division Multiplexing, Coarse Wave Division Multiplexing
DEFINITION: Wavelength-division multiplexing (WDM) is a method of combining multiple signals on laser beams at various infared (IR) wavelengths for transmission along fiber optic media. Each laser is modulated by an independent set of signals. Wavelength-sensitive filters, the IR analog of visible-light color filters, are used at the receiving end.WDM is similar to frequency-division multiplexing (FDM). But instead  … 
Definition continues below.
CWDM White Papers (View All Report Types)
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An Essential Deployment Guide for Cisco Mobility Express Wireless Network
sponsored by Cisco Systems, Inc.
WHITE PAPER: In this guide, you will learn how to deploy a software-based controller for Cisco Mobility Express's wireless network, delivering a low cost, and feature rich Wi-Fi architecture with enterprise level WLAN capability. Read on to key into the essentials of managing all advanced settings for this network.
Posted: 12 Nov 2015 | Published: 30 Sep 2015

Cisco Systems, Inc.

An Integrated Approach to Faster Backups, Reduced Requirements, And More
sponsored by EMC
WHITE PAPER: Access this informative white paper to explore fifteen characteristics to look for in a solution to protect your Oracle application data. You'll learn how you can fill any gap in your business continuity plan and ensure that your Oracle application data is protected.
Posted: 17 Sep 2015 | Published: 17 Sep 2015


An Introduction to Software Defined Networks
sponsored by Citrix
WHITE PAPER: This white paper serves as an introduction to SDN as a solution that can serve your enterprise, but only after you parse the competitive landscape of networking suppliers.
Posted: 02 Sep 2015 | Published: 31 Dec 2014


An IT Survival Guide: Big Chaos in Small Packages
sponsored by Lenovo and Microsoft
WHITE PAPER: Read the following white paper to learn about the steps you can take to minimize loss or destruction when devices leave work.
Posted: 25 Aug 2015 | Published: 25 Aug 2015

Lenovo and Microsoft

An IT Survival Guide: Big Chaos in Small Packages
sponsored by Lenovo and Microsoft
WHITE PAPER: Read the following white paper to learn about the steps you can take to minimize loss or destruction when devices leave work.
Posted: 26 Aug 2015 | Published: 26 Aug 2015

Lenovo and Microsoft

An Overview of the Enterprise Service Desk Vendor Landscape
sponsored by IBM
WHITE PAPER: This report is intended for CIOs seeking to select a solution for enterprise service desk, and designed for enterprises in which service desk use cases may include seamless movement between on-demand and on-premise. Access this research to reevaluate and help your organization understand what's new in the enterprise service desk market.
Posted: 15 Sep 2015 | Published: 31 Dec 2013


Analyst's take: Business impact of Facebook in the workplace
sponsored by
WHITE PAPER: Nearly half of office employees access Facebook during work.  Nucleus found companies effectively lose an average of 1.5 percent of total office productivity when employees can access Facebook during the work day.
Posted: 21 Oct 2011 | Published: 09 Feb 2011

Analyst's take: Managing IT in an economic downturn
sponsored by
WHITE PAPER: As companies face the prospect of a recession, IT is even more challenged to justify and deliver value while avoiding risky projects.  This is not the time to slash budgets; instead, follow a few rules to simplify decision making and focus your investment in areas that deliver the greatest return.
Posted: 20 Oct 2011 | Published: 04 Mar 2011

Analyst's take: Nucleus Research's top 10 IT predictions for 2010
sponsored by
WHITE PAPER: The cloud continues to drive both rapid ROI and new ISV business models.  Beyond the cloud, expect 2010 to bring greater use of analytics, automation, and CRM, and a permanent shift in structural unemployment.  Bid auf Wiedersehen to the vendors who still haven’t gotten it.
Posted: 24 Oct 2011 | Published: 26 Jan 2011

Analyst's take: Sterling Fax Conversion Services boost productivity and reduce headcount
sponsored by
WHITE PAPER: Sterling Fax Conversion Services automate the processing of faxed and paper-based purchase orders and invoices, resulting in improved productivity and reduced headcount, while increasing data accuracy and reducing cycle times.
Posted: 21 Oct 2011 | Published: 04 Feb 2011

Application Delivery Optimization
sponsored by F5 Networks
WHITE PAPER: Check out this white paper to learn how implementing Application Delivery Optimization can help you improve application performance in your data center.
Posted: 01 May 2015 | Published: 01 May 2015

F5 Networks

Application Performance Management: Critical To Business Success
sponsored by IBM
WHITE PAPER: This Forrester study captures insight into the benefits and challenges of today's IT monitoring solutions as well as the types of features that will help meet application performance and availability expectations.
Posted: 07 Jul 2015 | Published: 28 Feb 2014


Application Services: Connect and grow to create seamless, secure, and context-aware experiences
sponsored by Hewlett Packard Enterprise
WHITE PAPER: Access this whitepaper to learn how third-party IT services can drastically ease the pain of modernizing your IT portfolio.
Posted: 30 Jan 2013 | Published: 31 Dec 2011

Hewlett Packard Enterprise

Architecting the Composable Enterprise
sponsored by MuleSoft
WHITE PAPER: This whitepaper dives into the world of composable IT, or the concept of modular, restructurable infrastructure. Access now to see how companies that leverage this mentality are keeping ahead of trends while remaining profitable, and what challenges they are facing.
Posted: 05 Nov 2015 | Published: 05 Nov 2015


Amplifying the Signal in the Noise of IT Monitoring
sponsored by Zenoss, Inc.
WHITE PAPER: This case study details the value of moving past the traditional, fragmented approach to IT monitoring.
Posted: 30 Oct 2013 | Published: 30 Oct 2013

Zenoss, Inc.

An Essential Guide to Application Delivery Controllers
sponsored by Citrix
WHITE PAPER: This guide explores a top-tier application delivery controller and how it can help your organization with web application delivery, load balancing and more.
Posted: 12 May 2014 | Published: 12 May 2014


An Illinois municipality achieves business continuity, cost savings, and outstanding citizen services with Avaya IP Office
sponsored by Avaya
WHITE PAPER: This resource chronicles the achieved business continuity, cost savings, and outstanding citizen services of one Illinois municipality. Discover how this organization was about to cut costs of over $84,000 and achieve ROI in less than 24 months.
Posted: 02 Sep 2011 | Published: 01 Sep 2011


An In-Depth look at Application Delivery Controllers
sponsored by Citrix Systems, Inc.
WHITE PAPER: This white paper details how application delivery controllers can help ensure the performance of your applications.
Posted: 15 Oct 2013 | Published: 15 Oct 2013

Citrix Systems, Inc.

Analog to IP Migration Strategy
sponsored by Sony Electronics Asia Pacific Pte Ltd
WHITE PAPER: This resource notes the trend in high-definition (HD) video cameras for enhanced video surveillance, and how the migration from analog to IP can be customized to fit your organization's needs.
Posted: 08 Oct 2013 | Published: 08 Oct 2013

Sony Electronics Asia Pacific Pte Ltd

App Performance: The Frustration Factor or Secret to the Great Workplace?
WHITE PAPER: This resource details why application performance is directly related to business performance and offers guidance on building the business case for improving app performance within your enterprise.
Posted: 28 Aug 2013 | Published: 28 Aug 2013


Application Compatibility - The Key to Preparing for Windows 7
sponsored by Centrix Software
WHITE PAPER: This resource provides answers to your top Windows 7 migration questions and more. Learn how to successfully prepare for Windows 7 by determining what applications are being used before the application compatibility process even starts.
Posted: 05 Mar 2012 | Published: 22 Feb 2012

Centrix Software

Application Delivery Networks: The New Imperative for IT Visibility, Acceleration and Security
sponsored by BlueCoat
WHITE PAPER: Your business depends on one thing: getting the right information to the right people at the right time. To gain a competitive advantage, improve customer service and access more business intelligence, you have to ensure fast and responsive application delivery to users wherever they are.
Posted: 14 Sep 2010 | Published: 14 Sep 2010


Application Delivery Optimization
sponsored by F5 Networks
WHITE PAPER: Application delivery optimization (ADO) is a key player in finding and eliminating latency issues during application delivery. Check out this resource to learn how implementing ADO can help you improve application performance in your data center and beyond!
Posted: 03 Aug 2012 | Published: 30 Apr 2012

F5 Networks

Application Rationalization Datasheet
sponsored by Apptio
WHITE PAPER: To achieve decision agility, IT organizations need a scalable way to make business sense out of disconnected financial, operational, and project data about their application portfolio. Read on to learn more about innovative solutions!
Posted: 16 Oct 2013 | Published: 15 Oct 2013


Applying ITIL Best Practice Principles to IPAM
sponsored by BT Diamond IP
WHITE PAPER: This white paper will explain how each of the main ITIL areas can be applied specifically to IP address management (IPAM), and the benefits that can be accrued from using this management framework.
Posted: 20 Dec 2010 | Published: 20 Dec 2010

BT Diamond IP
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CWDM DEFINITION (continued): …  of taking place at radio frequencies (RF), WDM is done in the IR portion of the electromagnetic (EM) spectrum. Each IR channel carries several RF signals combined by means of FDM or time-division multiplexing (TDM). Each multiplexed IR channel is separated, or demultiplexed, into the original signals at the destination. Using FDM or TDM in each IR channel in combination with WDM of several IR channels, data in different formats and at different speeds can be transmitted simultaneously on a single fiber.In early WDM systems, there were two IR channels per fiber. At the destination, the IR channels … 
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