| How we tested SLES, SLED 11 We tested SLES and SLED 11 on a switched Gigabit Ethernet network (Dlink managed switches). We tested SLES 11 principally on an HP DL580G5 server (with four sockets, 16 64-bit cores, 16GB memory, internal SAS array, 4-Gigabit Ethernet connections). Recent Clear Choice Tests: 3Com's high-end switch: A fast, green alternative to Cisco 3Com says it has an alternative for network managers considering high-end switches from Cisco and others. How we tested 3Com's switch We assessed the 3Com S7900E/H3C S7500E in six areas: performance with layer-2 traffic, layer-3 routed IPv4 traffic, and IPv4 multicast traffic; features; power consumption; and manageability and usability. Virtualization management: Cross-platform tools fall short With the abundance of formidable virtualization platforms on the market today, there ought to be a better way to manage heterogeneous VM farms. How we tested virtual machine environments For a product to be included in this round of test, it have to be able to manage two or more server virtualization platforms from a list consisting of VMWare's ESX 3.5, Microsoft's Hyper-V, and Citrix's newly 'free' XenServer 5.0. Analyze this: Low-cost WLAN spectrum analyzers do the trick While it's seldom necessary (post-installation, anyway) to test the physical-layer behavior of a wired LAN infrastructure, the same cannot be said for wireless LANs. Slideshow: Cisco, Fluke, AirMagnet sweep WLAN analysis tools test All seven products tested offer enterprise-level spectral analysis. How we tested the WLAN spectrum analyzers Our test procedures included the installation/configuration and feature comparison of all products, and well as evaluation of the capabilities of each product when exposed to both Wi-Fi (a competing connection on the same channel) and non-Wi-Fi (microwave ovens and cordless phones) interference. As is typically the case, products were rated on installation, ease-of-use, features, and documentation. Days may be numbered for standalone spectrum analyzers Spectral analysis can involve a significant investment in time and money, and the result is the availability of a tool that is carried from location to location as part of normal operations. May Giveaways
Cisco Subnet, Microsoft Subnet and Google Subnet are collectively giving away books on Google Apps Deciphered, the CCNA Security exam, an awesome SQL Server 2005/2008 training video and the grand prize, a Microsoft training course from New Horizons worth up to $2,500. Deadline for entries May 31. | 
From 3Mbps over shared coax to 40/100Gbps over fiber…and beyond.
iPhone enthusiasts from around the Web offer their visions for the next-gen iPhone.
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