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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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7 Ways to Make Yourself Harder to Hack
sponsored by LogicNow
WHITE PAPER: Whether you call it layered security or defense in depth, layers of control buys you time to respond effectively. Access now to learn more about integrated tools that cover security and network management for MSPs.
Posted: 25 Oct 2016 | Published: 25 Oct 2016


8 Reasons to Rethink Virtualization in Your Datacenter
sponsored by Nutanix
WHITE PAPER: The time has come for virtualization to become integrated as a core feature into the rest of the infrastructure. Explore an infrastructure platform delivering enterprise-class storage, compute, and virtualization services for any app and learn eight benefits of integrating virtualization in your data center infrastructure.
Posted: 23 Sep 2016 | Published: 31 Dec 2015


8 Tips for Building an IT Asset Management Program
sponsored by ServiceNow
WHITE PAPER: This white paper outlines 8 specific recommendations for building an IT Asset Management (ITAM) program that delivers measurable business value while saving you time, money, and hassle.
Posted: 11 Sep 2015 | Published: 11 Sep 2015


8 tips to ensure your server technology supports your business growth
sponsored by
WHITE PAPER: Servers are the workhorse of the modern business, and as IT demands increase, so your server technology needs to be able to grow and scale cost-effectively to meet future requirements.
Posted: 20 Oct 2011 | Published: 19 Oct 2010

8 Ways to Boost Your Bottom Line
sponsored by Medfusion
WHITE PAPER: Patients are the core of your practice, but revenue is the lifeblood. Accelerating your patient payments doesn't have to be overwhelming. Access this resource to boost your bottom line by asking 8 questions of your current system.
Posted: 29 Aug 2016 | Published: 29 Aug 2016


A Case for Enterprise SDN: Making Your Network Programmable
sponsored by F5 Networks
WHITE PAPER: A software-defined network (SDN) can help you spend less time managing complexities. Access this infographic and discover the steps to a seamless integration between operations and the network.
Posted: 09 Feb 2016 | Published: 31 Mar 2014

F5 Networks

A Case Study: Help for Heroes Taps Power of Cloud Computing
sponsored by Rackspace
WHITE PAPER: Is your infrastructure adaptable enough to ensure that you can take full advantage of new technologies as they emerge? Read this case study to learn how the UK's leading military charity was able to futureproof its infrastructure, and ensure high performance across platforms and apps without excessive costs.
Posted: 01 Jun 2016 | Published: 30 Dec 2015


7 Essential Tips to Ensure Success with RM
sponsored by Jama Software
WHITE PAPER: A company’s overall success largely relies on the software team’s success. Organizations that embrace this concept experience less frustration, fewer errors, and faster planning and development cycles. Read this guide to learn about seven essential tips to help you be more successful with requirements management and software development.
Posted: 08 Dec 2009 | Published: 18 Aug 2011

Jama Software

7 Keys to Success for Managing a Business-Critical Cloud with Confidence
sponsored by Hewlett Packard Enterprise
WHITE PAPER: Need a few tips on how to manage your cloud infrastructure? Here are seven best practices that will keep your business-critical cloud environment up and running.
Posted: 01 May 2012 | Published: 26 Apr 2012

Hewlett Packard Enterprise

7 Vital Tips for Video Meetings Sales Success
sponsored by IBM
WHITE PAPER: This brief by Gihan Perera, founder of First Step Communications, provides 10 practical tips for keeping control of your online meetings.
Posted: 24 Feb 2011 | Published: 29 Jan 2013


7 Ways the Best Hyperconvergence Is Like Your Smartphone
sponsored by Riverbed Technology, Inc.
WHITE PAPER: Is branch IT a problem for your organization? Improve management by examining best practices in another area: devices.
Posted: 02 Dec 2015 | Published: 02 Dec 2015

TOPICS:  IT Management
Riverbed Technology, Inc.

8 Questions You Should Ask About Linux Systems Management
sponsored by Red Hat and JBoss
WHITE PAPER: IT organizations are always looking for ways to save money and time without compromising on issues like security or compliance. Exploring the value of your systems management solution is a lot easier when you know the right questions to ask. We have a few suggestions for how to get started.
Posted: 29 Jul 2009 | Published: 28 Jul 2009

Red Hat and JBoss

8 reasons why Citrix NetScaler beats F5
sponsored by Citrix
WHITE PAPER: This white paper discusses eight important areas where Citrix NetScaler beats F5 in making enterprise networks cloud ready.
Posted: 07 Oct 2011 | Published: 07 Oct 2011


802.11ac Migration Guide
sponsored by Aruba Networks
WHITE PAPER: This resource provides the basics of 802.11ac and outlines a number of strategies and recommendations that will help you plan your 802.11ac migration. View now to learn more!
Posted: 17 Jul 2013 | Published: 20 May 2013

Aruba Networks

9 Reasons Why NetScaler Beats F5
sponsored by Citrix
WHITE PAPER: This whitepaper compares two market-leading application delivery controllers (ADCs) to help your organizations find the one that best aligns with your business needs.
Posted: 12 Aug 2013 | Published: 31 May 2013


A Better Way to Manage Desktops: HP Workplace Management Services
sponsored by Hewlett-Packard Enterprise
WHITE PAPER: Enterprises need to give employees a full, flexible and configurable managed desktop environment to meet diverse business requirements and user productivity needs. Find out how HP can help.
Posted: 02 Sep 2014 | Published: 29 Aug 2014

Hewlett-Packard Enterprise

A Business Guide to MPLS IP VPN Migration: Five Critical Factors
sponsored by XO Communications
WHITE PAPER: Uncover five critical factors for a successful migration to an MPLS IP VPN service in this whitepaper. Learn the evolving needs of today’s enterprise networks and uncover how an MPLS-based IP VPN can help you fulfill these wants and needs.
Posted: 25 May 2012 | Published: 30 Apr 2012

XO Communications

A Business Risk Approach to IT Governance
sponsored by IBM
WHITE PAPER: Learn best practices for assessing overall effectiveness in today's highly distributed organizations and how to manage IT risks. Also discover the role a centralized IT governance system can play in realizing your IT governance strategy.
Posted: 20 Jul 2016 | Published: 30 Sep 2011


A Buyer's Checklist for Mobile Application Platforms
sponsored by IBM
WHITE PAPER: Some organizations need help identifying key platform capabilities required for mobile. Use this checklist to find out.
Posted: 14 May 2015 | Published: 14 May 2015

TOPICS:  IT Management

A Data Center Fabric is Critical to a Next-Generation Data Center
sponsored by Cisco Systems, Inc.
WHITE PAPER: This informative whitepaper explores the need for a data center fabric in your next-generation data center.
Posted: 23 Jun 2014 | Published: 31 Jan 2014

Cisco Systems, Inc.

A Different Approach to Traffic Visibility
sponsored by Gigamon
WHITE PAPER: This guide explores the effects of new technologies on existing network infrastructure and how you can overcome potential issues with improvements in network visibility.
Posted: 23 Jan 2014 | Published: 31 Dec 2013


A Different Take on Software Defined Networks
sponsored by Enterasys
WHITE PAPER: Get a different take on software defined networks, who they help, the benefits you can achieve from deploying one, and key tips for utilizing one within your organization.
Posted: 02 Aug 2013 | Published: 02 Aug 2013


sponsored by Oracle Corporation
WHITE PAPER: Read this white paper to explore the advanced features and capabilities offered in Oracle's BPM Suite 11g and discover the advantages it can offer your organization.
Posted: 03 Jul 2012 | Published: 25 Jun 2012

Oracle Corporation

A Foundation for Next-Generation Data Center Security
sponsored by Citrix
WHITE PAPER: This white paper introduces an application delivery controller (ADC) that builds enterprise cloud networks using existing data center infrastructure.
Posted: 13 Aug 2013 | Published: 28 Sep 2012


A Full Report on the Cisco Catalyst 2960-X
sponsored by Cisco Systems, Inc.
WHITE PAPER: In this Lippis Report Research Note, Lippis Research reviews the latest edition of the "most popular access switch on the planet" – the Cisco Catalyst 2960-X. Get a break down of the capabilities, features, and benefits of the new Catalyst 2960-X.
Posted: 19 Dec 2013 | Published: 30 Jun 2013

Cisco Systems, Inc.
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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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