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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 Reports
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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


A closer look at ITSM and ITIL
sponsored by
EBOOK: In this expert e-guide explore the various benefits ITSM and ITIL can provide including maximizing ROI and more.
Posted: 07 Oct 2014 | Published: 07 Oct 2014

A Computer Weekly buyer's guide to CIO leadership
sponsored by
EBOOK: In this 14-page buyer's guide, Computer Weekly looks at how the age of the customer requires IT leaders to focus on both the business technology and IT agendas; why IT leaders need to use blogging and social media to raise their profile and build influence in their organisations.
Posted: 28 Jan 2016 | Published: 26 Jan 2016

A Computer Weekly buyer's guide to networking technology advances
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ESSENTIAL GUIDE: In this 11-page buyer's guide, Computer Weekly looks at some examples of these technologies, as well as what some of the more established suppliers are doing to re-invent the network.
Posted: 21 Sep 2015 | Published: 21 Sep 2015

A Computer Weekly buyer's guide to networks
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ESSENTIAL GUIDE: Computer Weekly looks at an increasingly complex networking environment and offers advice for IT leaders on managing it in this 10 page Buyer's Guide.
Posted: 12 Jun 2014 | Published: 12 Jun 2014

A Computer Weekly buyer's guide to operational IT
sponsored by
EBOOK: In this 14-page buyer's guide, Computer Weekly looks at applying back-office IT to industrial machines, how businesses can further digitise their operations, and how best to tap into data held in mainframes.
Posted: 06 Sep 2016 | Published: 30 Aug 2016

A Convergence of Interest and Products
sponsored by
EBOOK: Previously unattainable due to its high cost, converged infrastructure is on the cusp of its watershed moment. Recognizing its long term benefits, organizations must analyze the biggest benefits and key cautions about moving to a converged platform. This white paper aids you in this process. Read on to learn more.
Posted: 15 Jan 2016 | Published: 15 Jan 2016

A Golden Age Dawns for Network Services
sponsored by
EBOOK: Advanced network technology options have expanded, offering enterprises better, but cheaper, options for network services.
Posted: 17 Oct 2016 | Published: 17 Oct 2016

A Guide to Enterprise Linux For IBM Z Systems
sponsored by Red Hat
DATA SHEET: In this datasheet, you will discover how to extend your IBM z Systems to accommodate more applications and emerging workloads by implementing Red Hat Enterprise Linux. Read on to better utilize your available computing resources.
Posted: 19 Jan 2016 | Published: 31 Dec 2015

Red Hat

A Guide to Private Cloud Security
sponsored by Intel Security
WHITE PAPER: Find out how to successfully deploy a private cloud that maximizes protection and minimizes risk.
Posted: 21 Sep 2016 | Published: 21 Sep 2016

TOPICS:  IT Management
Intel Security

A Guide to Protecting Your Critical Assets with Identity Governance
sponsored by IBM
WHITE PAPER: In this white paper, you will learn how to secure the gateway to your organization with robust identity governance policies. Read on to learn how to protect assets by enforcing business-driven identity governance for managing user roles.
Posted: 26 Jan 2016 | Published: 31 Mar 2015


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 Cloud Admin's Guide to Openstack Neutron Networking
sponsored by Red Hat
EGUIDE: This expert e-guide covers NaaS architecture models in-depth to help cloud administrators understand how to build cloud without technical support from network professionals and vendors.
Posted: 24 Jul 2014 | Published: 24 Jul 2014

Red Hat

A Computer Weekly Buyer's Guide to Value-Added IT Advice
sponsored by
EBOOK: In this 12-page buyer's guide, Computer Weekly looks at the changing position of the CIO and how there are more people in the role from less technical backgrounds than in the past; who a CIO should call when she or he needs advice.
Posted: 09 Dec 2015 | Published: 09 Dec 2015

TOPICS:  CIOs | 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 Definitive Guide to Windows 10 Management
sponsored by VMware
WEBCAST: This webcast examines the impact W10 will have on enterprise mobility in the next 5 years. Access this video to redefine your mobility management strategy with W10, and reap the benefits of its cloud-based management capabilities.
Posted: 02 Dec 2015 | Premiered: Dec 2, 2015


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.

A Guide for CIOs: Make Your Mark with Business Transformation
sponsored by Hewlett-Packard Enterprise
WHITE PAPER: Review this informative white paper to discover the importance of implementing a formal transformation program. Gain insight into 2 business transformation success stories, 9 reasons why you should work with an experienced transformation partner, a simple 5-phase business transformation program, and much more.
Posted: 06 Jul 2012 | Published: 01 Jul 2012

Hewlett-Packard Enterprise

A Guide to Hyper-Converged Infrastructures Purpose-Built for Zero Branch IT
sponsored by Riverbed Technology, Inc.
DATA SHEET: This data sheet explains how to converge server, storage, and network infrastructure to enable data centralization, instant recovery, and lower TCO. Read on to advantage of this hyper-converged infrastructure.
Posted: 24 Nov 2015 | Published: 24 Nov 2015

Riverbed Technology, Inc.

A Look Back: Last Year's Hottest Shadow Data Trends
sponsored by Blue Coat Systems
WHITE PAPER: Based on the analysis of nearly 63 million documents used in popular file sharing tools, this report examines the use of unsanctioned apps in the enterprise. Access now for in-depth findings on how your employees may be using these apps and what you can do to better plan cloud services.
Posted: 15 Feb 2016 | Published: 15 Feb 2016

Blue Coat Systems
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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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