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CWDM

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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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15 Most Popular IT and Business Certifications for 2014
sponsored by Global Knowledge
WHITE PAPER: This report reviews the 15 most popular certifications according to our more than 12,000 North American respondents to our annual IT Skills and Salary Survey. For each certification, you'll find a brief description, the average salary, and some insight into why it is popular.
Posted: 30 Apr 2014 | Published: 30 Apr 2014

Global Knowledge

2014 Annual Trends in Managed Services
sponsored by CompTIA
WHITE PAPER: View this extensive and thorough white paper to explore a managed services provider buying guide. Discover what sets the good providers apart from the average ones as well as the red flags to avoid. Read now to learn all you need to know and more when choosing a service provider.
Posted: 18 Dec 2014 | Published: 06 Mar 2014

CompTIA

2014 Connected World Technology Final Report
sponsored by Cisco Systems, Inc.
WHITE PAPER: This exclusive research study conducted by Cisco offers an in-depth look at how employees feel about enterprise mobility.
Posted: 19 Nov 2014 | Published: 19 Nov 2014

Cisco Systems, Inc.

4 Steps to Meet Growing IT Demands
sponsored by Rackspace
WHITE PAPER: In this informative resource, gain critical insights into a new "service broker" model of IT operations that can provide end users with faster service, enable IT teams to undertake more strategic projects, and allow management to see more clearly IT's business contributions.
Posted: 03 Sep 2014 | Published: 03 Sep 2014

Rackspace

5 Steps for Migrating Your Legacy Apps to the Cloud
sponsored by Rackspace
WHITE PAPER: Explore this informative resource and learn how to migrate your legacy applications to the public cloud in just 5 easy steps.
Posted: 11 Nov 2014 | Published: 06 May 2014

Rackspace

5 Steps For Windows Server 2003 End of Life Success
sponsored by Bit9 + Carbon Black
WHITE PAPER: Access this white paper today to learn the 5 steps that your organization needs to take now to ensure that your enterprise is prepared for Microsoft Windows Server 2003's end-of-life in six short months.
Posted: 14 Jan 2015 | Published: 06 Nov 2014

Bit9 + Carbon Black

5 Steps to Reduce the Complexity of PCI Security Assessments
sponsored by Bit9 + Carbon Black
WHITE PAPER: This white paper lists 5 steps that your enterprise can take to guard your endpoints; reduce the complexity of assessments; lower administration costs; and achieve a compliant, secure environment.
Posted: 14 Jan 2015 | Published: 06 Oct 2014

Bit9 + Carbon Black

5 tactics to transition virtual desktop management to Tier 1 IT staff
sponsored by Unidesk Corporation
WHITE PAPER: Access this white paper to explore 5 strategies that IT teams are using to simplify VDI deployments to help alleviate day-to-day VM management and the complexity of virtual desktop environments.
Posted: 25 Nov 2014 | Published: 25 Nov 2014

Unidesk Corporation

5 Ways That MSPs Can Capitalize on Cloud Opportunities
sponsored by ConnectWise
WHITE PAPER: This insightful white paper details how MSPs can ensure the continued success of their businesses as the popularity of cloud computing continues to grow by offering the kind of indispensible personalized support to their clients that cloud giants can't provide.
Posted: 22 Jul 2013 | Published: 22 Jul 2013

ConnectWise

7 Key Trends in the Business of Tech
sponsored by K2
WHITE PAPER: This paper addresses 7 key trends in the business of tech today, from business acceleration to the consumerization of IT. Learn how you can capitalize on these trends with business application software that has 4 key capabilities.
Posted: 27 Jun 2014 | Published: 27 Jun 2014

K2

"How Can I Assure the Reliability of Complex, Mission Critical Applications and Deliver a Flawless End-User Experience?"
sponsored by CA Technologies.
WHITE PAPER: As end-users continue to demand faster services, IT departments are struggling to keep with these needs. This guide explores how crucial application performance management is for the end-user experience and how to deploy such a strategy across a multitude of platforms.
Posted: 09 Jan 2014 | Published: 31 Dec 2013

CA Technologies.

10 Common Problems that Application Performance Management Helps You Solve
sponsored by Riverbed Technology, Inc.
WHITE PAPER: This white paper breaks down the top ten quality and performance issues that application performance management can help to solve by detecting applications' performance problems and their causes.
Posted: 01 Aug 2014 | Published: 31 Dec 2013

Riverbed Technology, Inc.

10 Requirements for Optimizing Your Network for Mobility
sponsored by Aerohive Networks
WHITE PAPER: This white paper explores what it means to be a mobile-first enterprise and what networks are needed to accommodate the modern corporate user. Read on to discover the potential issues IT faces and a roadmap to start implementing the ideal access network for a mobile-first enterprise.
Posted: 16 Jul 2013 | Published: 01 Jul 2013

Aerohive Networks

10 Things to Consider when Choosing a Cloud Provider
sponsored by XO Communications
WHITE PAPER: Read up on the top 10 things to consider when choosing a cloud provider that will meet your business needs, and allow for an easy transition from your physical data center to a virtualized one.
Posted: 22 Oct 2013 | Published: 30 Apr 2012

XO Communications

10 Ways for Developers to Benefit from Application Performance Management Solutions
sponsored by Riverbed Technology, Inc.
WHITE PAPER: This white paper covers ten key strategies for developers looking to improve the quality and performance of their software through application management (APM) solutions.
Posted: 01 Aug 2014 | Published: 31 Dec 2013

Riverbed Technology, Inc.

22 Technical Considerations for Evaluating a Defragmentation Solution for Enterprise Workstations
sponsored by Diskeeper Corporation
WHITE PAPER: This paper compares the enterprise-targeted technologies in the Diskeeper performance software product line with the basic defragmentation solution offered in Windows’ more recent operating system releases. It outlines 22 considerations and solutions for defragmentation which is critical to the performance of every windows system.
Posted: 16 Nov 2010 | Published: 16 Nov 2010

Diskeeper Corporation

3 Things you need to know about the cloud
sponsored by Channel Transformation Alliance
WHITE PAPER: Read this white paper to explore 3 critical steps every organization must take in order to make the transformation necessary to support the specific changes required to grow a successful Cloud practice.
Posted: 20 Dec 2011 | Published: 20 Dec 2011

Channel Transformation Alliance

4 Secrets to Meaningful Security Discussions with the Board of Directors
sponsored by Citrix
WHITE PAPER: This informative whitepaper outlines 4 helpful hints for meaningful security discussions with your Board of Directors.
Posted: 07 May 2014 | Published: 07 May 2014

Citrix

40 Gigabit and 100 Gigabit Ethernet Are Here!
sponsored by Brocade
WHITE PAPER: Learn more about the 40 Gigabit and 100 Gigabit Ethernet standards that were adopted by the IEEE 802.3 Working Group on June 17, 2010.
Posted: 12 Dec 2011 | Published: 12 Dec 2011

Brocade

5 Key Virtualization Management Challenges - and How to Overcome Them
sponsored by Hewlett-Packard Company
WHITE PAPER: Virtualization introduces fundamental changes to IT, and adds significant management challenges. Read this informative white paper written by Enterprise Management Associates to learn what these challenges are as well as some of the solutions and strategies used to deal with them.
Posted: 26 Jun 2009 | Published: 01 Mar 2009

Hewlett-Packard Company

5 reasons why end user experience management is not APM
sponsored by Aternity
WHITE PAPER: This guide explores the benefits of application performance management can benefit your network and end-user experience.
Posted: 09 May 2014 | Published: 31 Dec 2013

Aternity

5 Secrets to SQL Server Availability
sponsored by Marathon Technologies
WHITE PAPER: The following five secrets to affordable SQL availability will help you to implement a SQL environment with little or no downtime, zero data loss, and no added IT complexity.
Posted: 28 Sep 2009 | Published: 28 Sep 2009

Marathon Technologies

5 Signs It’s Time for a Data Center: Considerations for SMBs
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Explore this resource to learn about the five signs that your small or medium business might need a data center.
Posted: 30 May 2014 | Published: 21 Jun 2013

Dell, Inc. and Intel®

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 Company
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 Company
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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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