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Quality of Service, Part 11: CBWFQ

Article | Feb. 16, 2010

Part 10 of this blog series looked at Weighted Fair Queuing, so now we move on to the next queue mechanism; Class Based Weighted Fair Queuing (CBWFQ).CBWFQ provides user defined traffic classes allowing for more control and functionality then weighted Fair Queuing. C...

Quality of Service, Part 12 – Low Latency Queuing

Article | Feb. 18, 2010

Part 11 of this blog series looked at Class Based Weighted Fair Queuing. This blog will explore the next queue mechanism; Low Latency Queuing (LLQ). As seen in the previous section of this QoS series, CBWFQ provides user defined traffic classes allowing for more con...

Top Ten Things Every DBA Should Know About SQL Server

White Paper | March 04, 2010

Microsoft SQL Server has evolved over the years as a scalable, robust database management system and is now competing in the VLDB (Very Large Database) space with Oracle and IBM. The market share for the product continues to grow, based on total cost of ownership and ease of use. This white paper outlines some of the important fundamentals of Microsoft SQL Server 2008 that every DBA should know.

Leadership and Learning Forecast for Business Leaders

White Paper | March 08, 2010

This report presents the results of a Canadian National survey, conducted by Global Knowledge in 2010. Its focus is on the future learning needs of business leaders. Four hundred twenty business leaders and managers responded to the survey, representing both corporate and government/public organizations as well as a wide range of industries and functional areas.  

Cloud Computing: What It Is and What It Can Do for You

White Paper | March 10, 2010

The definition of cloud computing depends largely on whether you are a consumer or producer. The public cloud is geared more for the individual consumer or small company, while the private cloud is geared more for a medium-to-large company. In addition, the private cloud is branching out to incorporate the ability to have some data and applications serviced from the public cloud. This white paper examines the different types of cloud computing and shows what cloud computing can offer you.

10 Security Concerns for Cloud Computing

White Paper | March 11, 2010

The flexibility, reduced cost, and mobility of cloud computing have made the concept a hot topic. Before implementing this method of computing, however, it is important to consider the security of the "cloud." In this white paper, you will learn some of the risks and benefits of cloud computing to be sure it is the right solution for you.

Supporting Windows 7 Group Policy Settings with Windows Server 2003 Domain Controllers

Article | March 16, 2010

Recently, I was asked the following question: “We plan to implement Windows 7 in our network very soon. We want to use Windows 2003 Domain Controllers for the next couple of years. Can we make the hundreds of new Group Policy setting available to Windows 7 Windows Server 2003 DCs?” This is not an unusual situation. Some organizations find they need to replace their desktop computers immediately because of age or obsolescence and others wish to upgrade to Windows 7 because of its superior security and performance. But there may be no budget or desire to upgrade to Windows 2008 or 2008 R2. Luckily, it is not difficult to adapt Server 2003 to work with Windows 7.

Where Did That 169.254.x.x IP Address Come From?

Article | March 22, 2010

In my last post, we learned that the Dynamic Host Configuration Protocol (DHCP) is a computer networking protocol used by hosts, identified as DHCP clients, to retrieve IP address assignments and other configuration information. DHCP uses a client-server architectur...

VoIP Networks and One Way Audio

Article | March 30, 2010

There are many interesting new issues that seem to have come with the addition of voice and video to the data network. Most of the engineers that are now working on VoIP networks come from either a pure data network background or a traditional phone system background...

QOS Bandwidth vs Bandwidth Remaining

Article | April 14, 2010

Learn how to calculate QOS Bandwidth Percent vs Bandwidth Remaining Percent using a Cisco-defined formula. Read on for answers and examples from the experts at Global Knowledge!