Network Management Strategies for the CIO
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IEEE 802.11w protects wireless LAN management frames
The IEEE 802.11w wireless encryption standard builds on the 802.11i framework to protect against subtle attacks on wireless LAN (WLAN) management frames. It will increase the confidence of network ...
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Properties of WMI: How to manage Windows networks using
Learn how to display all properties of any Windows Management Instrumentation (WMI) class in this tip on how to manage Windows networks using scripts.
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How to measure wireless network performance using iPerf
In this tip, learn how to measure wireless networking performance with iPerf -- a tool that calculates TCP/UDP, throughput, loss and delay. Eliminate jitter, isolate bottlenecks of traffic, or moni...
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How to virtualize servers in your network
Learn how to virtualize the physical servers in your network in order to reduce hardware costs and ease network management in these step-by-step instructions.
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More remote scripting tricks: Managing Windows networks
Learn a remote scripting trick and how to use Windows Management Instrumentation Command-line (WMIC) to remotely query for local administrators in this tip from the series Managing Windows networks...
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Shifting defenses and dynamic perimeters challenge netw
Network security faces challenges from de-perimeterization and other IT trends. Fine-grained controls are needed closer to information resources and will increasingly be built into both simple and ...
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How to prioritize wireless traffic
Learn how to prioritize wireless traffic by using Wi-Fi Multimedia to give selected traffic preferential treatment and to move business applications and multimedia traffic to the network edge.
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How to manage Windows networks using these remote scrip
Learn how to manage your Windows networks using scripts with these two tricks involving remote scripting using WMI scripts written in VBScript.
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Compliance in a virtualized world: Server virtualizatio
Network security, especially NAC, is the Achilles' heel of server virtualization. With virtual servers moving around the data center, traditional access control is difficult to apply. This can be p...
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Virtual machines present dynamic environment issues for
Virtual machines (VMs) routinely move between servers and can move across subnets, and virtualization blurs the line between the network and the server. These dynamic environment issues can challen...
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Network planning for server virtualization
Server virtualization not only challenges network managers with consolidation and latency considerations, it also places a heavier burden on the network infrastructure going into each physical serv...
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Limit network energy consumption with computer cooling
The more heat generated by a piece of equipment, the more electricity is being wasted. For many networks, as in the data center, reducing the amount of heat generated, and therefore the amount of e...
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Securing the new network architecture
In years past, companies relied on network edge security to establish a perimeter separating trusted insiders from everyone else. However, the distributed and dynamic nature of modern networks, com...
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Understanding remote scripting: Managing Windows networ
It's all well and good to jump in and try things -- such as managing Windows networks using scripts -- but sometimes we hit a wall when we do this. Learning the fundamentals can often help us avoid...
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Network mapping in Vista for Windows XP
Windows Vista's network mapping feature is a handy way to detect devices on your network and create a network diagram based on that information, but doesn't work well with domain networks or comput...
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Keeping it green: Design principles for efficient netwo
Green networking often equates to making networks more efficient. Efficient network design combines improvements in consumption and consolidation to achieve increased manageability and lower lifecy...
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How green is my network? -- The cost-savings benefit of
The trend of green networking is an offshoot of the growing emphasis on greening, or decreasing the negative impact to the environment of just about everything -- including data centers and IT in g...
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How to configure Windows Server 2008 advanced firewall
Find out new features of the Windows Server 2008 Advanced Firewall -- and how to configure this powerful host-based firewall using the new MMC snap-in -- in this tip.
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Energy Efficient Ethernet: Small savings add up
Much energy is wasted while the network is idle. The IEEE P802.3az Energy Efficient Ethernet project aims to deliver major energy savings by combining many small network power savings, both economi...
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Governance, compliance, security: How are these network
Issues of governance, compliance and security are becoming the responsibility of network operations staff because increasingly complex, componentized services are carried on the network. Network st...
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Troubleshooting network routing issues
Expert Patrick Hubbard shares how you can make your life easier by alleviating some annoying network routing issues.
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Resource pools for hybrid cloud management
Working with individual applications in hybrid cloud management can be complex, but Quality of Experience can be ensured.
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What to know about implementing Security as a Service
Implementing cloud-based security services has rewards, but network pros must evaluate the cloud provider's architecture for security and reliability.
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Enterprise wireless standards: The basics
Glen Kemp discusses the standards and protocols that support enterprise-class wireless deployments and how they differ from consumer configurations.