Network Management Strategies for the CIO
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Power and cooling considerations for data center network design
The network architect involved in data center design needs to be aware of issues that factor into networking the data center beyond the network itself. This tip will introduce physical facilities considerations of data center design, such as power co... Tip
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How do you calculate ROI costs for an IPv6 implementation/migration?
Calculating the return on investment (ROI) and the cost of your IPv6 network migration depends on the factors our expert describes in this response. Ask the Expert
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Difference between circuit-switching and packet-switching in examples
What is the difference between a circuit switching and packet switching? Our networking fundamentals expert gives examples of packet switching and circuit switching in this response. Ask the Expert
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Turning around a bad network: What to do when you inherit one
A bad network is something no one wants to take over, whether stepping into a new job or inheriting one through a merger or acquisition. But once you own it, you need to fix it. The first steps to turning it around are discovering what you have while... Article
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Cisco expands Nexus data center switch line with eye on virtualization
With the launch of two new Nexus switches, a top-of-rack network fabric extender and an upgrade to the Catalyst 6500, Cisco Systems furthers its push to dominate data centers that have large-scale deployments of server virtualization. Article
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Saving money with used network hardware: Tricky but doable
Buying used network hardware is a good way to save some money and to extend the life of your infrastructure, but it's tricky. It can sour your relationships with your key vendors, and finding good support for the equipment is a challenge. But the rig... Article
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Can building T3 lines using satellite be cheaper than a carriers'?
Would building your own T3 leased line be cheaper than a standard carrier's service? Our networking fundamentals expert explains this and how a large capacity link reacts over satellite communication, in this Ask the Expert response. Ask the Expert
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Internet Routing in Space (IRIS)
Internet Routing in Space in Space, also known as (IRIS), is a project being conducted by the U.S. Department of Defense to place an IP (Internet protocol) router on a geostationary satellite... (Continued) Definition
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During a recession, align the network with business priorities
During the recession, network managers should align the network with corporate goals to survive budget cuts. At the Gartner Enterprise Networking and Communications Summit, an analyst lays out a blueprint for success. Article
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LANs vs. WLANs: Which network designs are used for each company size?
Which network design is easier to implement, LANs or wireless LANs? Our network administration expert explains this and which designs best fit particular functions and areas of your organization. Ask the Expert