| Video: Panasonic displays 'green house' Panasonic opened its eco-ideas house showroom in Tokyo on Wednesday. The house contains much of Panasonic's latest environmental technologies and a few prototypes and the way of living that it promotes isn't too far away. D-Link pushes Green Ethernet D-Link isn't waiting for the IEEE to standardize Energy Efficient Ethernet; the company is moving ahead today with what it calls Green Ethernet technology in its Gigabit Ethernet switches. Gauging green Just how important is the issue of green networking to you? As site editor I get to see the stats on how many people read our stories on energy-efficient computing and networking, and the results are often disappointing. You see, it feels like environmental concerns are a hot topic, but when it comes down to it, that buzz doesn't seem to translate into people reading stories on the topic. Green IT: Hot technology for 2009 Can you afford to be green? Can you afford not to? Those are the questions IT executives face as they grapple with the notion of environmentally friendly computing in the midst of a crushing global economic downturn. What's the carbon footprint of spam? ... (Like I care) It's official: Carbon-footprint mania has flown past "getting to be a bit much" and landed smack in the middle of a cow patty (produced, of course, by one of those inscrutably oblivious bovine gas bags). Cisco against 'Buy America' provisions of the $7.2B broadband stimulus fund Reese: According to e-mail sent only hours ago by Cisco Systems to the National Telecommunications and Information Administration, U.S. Department of Commerce, Cisco is against the "Buy America" provisions of the American Recovery and Reinvestment Act of 2009 to the Broadband Technology Opportunities Program. NASA takes Ethernet deeper into space While Ethernet technology has gone places no one would have envisioned 36 years ago, NASA today signed an agreement with a German Ethernet vendor to build highly fault-tolerant networks for space-based applications. Practicing safe hex Cisco Subnet blogger Jimmy Ray Purser takes you through the steps of seeing the images that employees are viewing online by intercepting the hex streams. Building a CCNA lab on the cheap Cisco Subnet blogger Wendell Odom looks at how you can keep costs for a CCNA lab under $200 - or even $100. Video: Sun discusses Nehalem servers, IBM rumors Sun Microsystems launched new servers this week based on Intel's Nehalem microarchitecture. How it works: Net monitoring & management Find out how management software works, and what you need to know to buy the right tool. April giveaways galore
Cisco Subnet and Microsoft Subnet are giving away training courses from Global Knowledge, valued at $2,995 and $3,495, and have copies of three hot books up for grabs: CCVP CIPT2 Quick Reference by Anthony Sequeira, Microsoft Voice Unified Communications by Joe Schurman and Microsoft Office 2007 On Demand by Steve Johnson. Deadline for entries April 30. Network World on Twitter Get our tweets and stay plugged in to networking news. | 
From WiMAX hotspots to $2,000 cell phones, a look at what caught our attention at CTIA Wireless.
Sure, the new generation knows Facebook, Android and Twitter. But what about ISDN, SNA and X.25? Take the quiz!
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