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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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13 Infrastructure Decisions That Result In Poor IT Security
sponsored by Global Knowledge
WHITE PAPER: This white paper presents 13 somewhat common infrastructure decisions that can result in poor IT security. It is possible that your organization can improve its security in one or more of these areas. Take the time to assess your current security policy in each of these areas to see if there is room for refinement or improvement.
Posted: 17 Dec 2010 | Published: 17 Dec 2010

Global Knowledge

15 Top Paying IT Certifications for 2012
sponsored by Global Knowledge
WHITE PAPER: When it comes to IT certifications, not all certifications are equally valued by companies. Find out the top 15 certifications most in demand for 2012 and what their corresponding salaries are on average. Discover which certifications will net you a 6-figure salary.
Posted: 02 Feb 2012 | Published: 02 Feb 2012

Global Knowledge

2011 IT Skills and Salary Report
sponsored by Global Knowledge
WHITE PAPER: This paper examines that while the global economic recession of recent years has largely been replaced by a lethargic recovery, many workers continue to be impacted by job loss, reduction insalary and benefits, or job change.
Posted: 20 Mar 2011 | Published: 20 Mar 2011

Global Knowledge

3 reasons you need a workload automation solution
sponsored by BMC Software, Inc.
WHITE PAPER: Changing or consolidating job schedulers may seem daunting. However, the benefits of switching to enterprise workload automation outweigh the risks. Read how BMC can help realize goals like reduced cost, top-down visibility, improved SLAs, and a single enterprise view across all platforms.
Posted: 20 Oct 2011 | Published: 20 Oct 2011

BMC Software, Inc.

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

5 steps to successful workload automation
sponsored by BMC Software, Inc.
WHITE PAPER: A patchwork of job schedulers can cause many inefficiencies, hindering IT’s ability to serve the business. An enterprise approach solves these issues and adds new value. Five steps can take you from a costly mishmash to benefits like increased productivity, lower costs, and better service.
Posted: 19 Oct 2011 | Published: 19 Oct 2011

BMC Software, Inc.

8 tips to ensure your server technology supports your business growth
sponsored by ComputerWeekly.com
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: 20 Oct 2011

ComputerWeekly.com

A Comparative Study on Functionality, Benefits and Economics of Private Cloud Solutions
sponsored by Microsoft Corporation India Pvt Ltd
WHITE PAPER: This white paper compares private cloud solutions from Microsoft and VMware by using private cloud industry standard concepts and defining the technology benefits of Microsoft private cloud solutions.
Posted: 10 Jan 2012 | Published: 10 Jan 2012

Microsoft Corporation India Pvt Ltd

A Simple Guide to the Efficient Enterprise
sponsored by Dell and VMware
WHITE PAPER: Recent technology advances in five key areas put efficiency gains on the fast track. Here's how Dell can help CIOs capitalize on virtualization, mobility management, storage optimization, cloud services, and automated IT management.
Posted: 14 May 2010 | Published: 14 May 2010

Dell and VMware

A Visual Review of NAT and PAT
sponsored by Global Knowledge
WHITE PAPER: Many people are confused by Cisco’s NAT/PAT naming conventions, such as “inside local”, etc. so I have put together a few diagrams that might help.
Posted: 12 Nov 2010 | Published: 12 Nov 2010

Global Knowledge

Accelerate time to application value
sponsored by HP and Intel
WHITE PAPER: HP Converged Systems are designed to deliver the business value of applications faster, more predictably, and with less risk. While other companies can deliver pieces and parts of a solution, only HP can deliver this level of innovation across the full breadth of your business demands. Read this white paper to learn more.
Posted: 11 Nov 2011 | Published: 11 Nov 2011

HP and Intel

Accelerating Revenue through Carrier Ethernet Service Differentiation
sponsored by InfoVista Corporation
WHITE PAPER: Many CSPs are looking towards Carrier Ethernet services – a way to more rapidly and efficiently deliver the bandwidth requirements and service requirements. If not properly managed, however, operating costs could end up increasing instead of being cost-effective.
Posted: 22 Nov 2011 | Published: 22 Nov 2011

InfoVista Corporation

Achieving Business Value with Network and Application Visibility
sponsored by Riverbed Technology, Inc.
WHITE PAPER: This resource provides in-depth information and data taken from 9 comprehensive interviews with current Riverbed Cascade customers. Customer experiences before and after the application visibility solution was implemented are explored.
Posted: 09 Jan 2012 | Published: 09 Jan 2012

Riverbed Technology, Inc.

Airline IT Trends Survey
sponsored by ComputerWeekly.com
WHITE PAPER: For the 11th year in succession, the Airline IT Trends Survey tracks the key technology trends in the airline industry. It demonstrates the role that the survey’s global benchmarks play in underlining the importance of IT within the airline industry, while also stimulating debate in boardrooms worldwide about the way ahead.
Posted: 24 Oct 2011 | Published: 24 Oct 2011

ComputerWeekly.com

Analyst's take: Business impact of Facebook in the workplace
sponsored by ComputerWeekly.com
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: 21 Oct 2011

ComputerWeekly.com

Analyst's take: Managing IT in an economic downturn
sponsored by ComputerWeekly.com
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: 20 Oct 2011

ComputerWeekly.com

Analyst's take: Nucleus Research's top 10 IT predictions for 2010
sponsored by ComputerWeekly.com
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: 24 Oct 2011

ComputerWeekly.com

Analyst's take: Sterling Fax Conversion Services boost productivity and reduce headcount
sponsored by ComputerWeekly.com
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: 21 Oct 2011

ComputerWeekly.com

Assuring Next Generation Backhaul Deployments with Performance Visibility
sponsored by InfoVista Corporation
WHITE PAPER: Read this whitepaper to discover the challenges Wireless SPs have in managing Carrier Ethernet-powered backhaul networks and how they can achieve operational excellence.
Posted: 22 Nov 2011 | Published: 22 Nov 2011

InfoVista Corporation

Automating operations to reduce costs while improving service value
sponsored by Hewlett-Packard Company
WHITE PAPER: Learn how HP Operations Manager and HP Operations Orchestration can help you automate operations management to reduce operational costs and improve service quality.
Posted: 26 Oct 2011 | Published: 26 Oct 2011

Hewlett-Packard Company

Best Practices and Processes for Improving the Business Value of IT
sponsored by SAP America, Inc.
WHITE PAPER: Find out how to measure ROI for your business. Companies of all sizes constantly evaluate their operations, seeking to make changes that will increase effectiveness while controlling costs. This paper offers concrete practices, processes, and recommendations to drive the ROI of a company's IT investment (ROIT).
Posted: 29 Jan 2010 | Published: 29 Jan 2010

SAP America, Inc.

Best Practices for a Smooth Exchange 2010 Migration
sponsored by Mimecast
WHITE PAPER: This white paper details best practices for a smooth migration from Exchange 2003 to Exchange 2010. Review how to identify and minimize risks before migration, prepare the existing infrastructure, and perform the actual migration.
Posted: 19 Jul 2011 | Published: 19 Jul 2011

Mimecast

Best Practices for Network Availability with Oracle VM Server for SPARC
sponsored by Oracle Corporation UK Ltd
WHITE PAPER: This technical white paper is the second in a series that is designed to help map I/O best practices from the physical world into the virtual world supported by logical domains.
Posted: 20 Dec 2010 | Published: 20 Dec 2010

Oracle Corporation UK Ltd

BI Optimization: Building a Better Business Case for BI
sponsored by Oracle Corporation
WHITE PAPER: This white paper describes how to build a better business case for BI, by understanding the level of ambition organizations can have and the layers in the business case that should contribute to that level of ambition.
Posted: 16 Dec 2010 | Published: 16 Dec 2010

Oracle Corporation

Building a Home Lab Environment for Cisco Unified Communications
sponsored by Global Knowledge
WHITE PAPER: This paper explains the need to select Cisco IP Phones, switches, routers for your home lab and explores how to configure the options of VMware so that you can load Cisco Call Manager and Cisco Unity virtual machines in a lab environment.
Posted: 10 Feb 2009 | Published: 10 Feb 2009

Global Knowledge
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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 … 
CWDM definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
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