Network ArchitectureNetwork World's Network Architecture Newsletter, 11/01/07D-Link pushes Green EthernetBy Jeff CarusoD-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. D-Link this week introduced a series of "environmentally friendly" Gigabit Ethernet switches for small offices and home offices. The DGS-2200 switches are able to tell when a port is inactive, and can cut back their power usage accordingly, the company says. This makes sense in any network where the computers don't require Internet access around the clock, or where not all the ports on the switch are being used. If a computer connected to the switch is off, the switch can figure that out, and can reduce the power used to support that port.
Another interesting capability of the switches is the ability to analyze the length of any Ethernet cables connected to them - and adjust the power accordingly. Shorter lengths don't require as much power. D-Link says its DSG-2208 desktop switch can achieve up to 80% power savings, with other "Green Ethernet" switches achieving up to 45% power savings, compared to conventional D-Link switches. In a more typical setup, where the devices are used for 10 hours and then powered down for 14 hours in a 24-hour period, the savings are 40% and 27%, respectively. D-Link plans to add the 16-port DGS-1016D and the 24-port DGS-1024 to its Green Ethernet lineup next month. D-Link is taking its green initiative as far as it can, qualifying its adapters for the Energy Star program, making boxes out of recycled materials, and more. Editor's note: Starting the week of Nov. 12, you will notice a number of enhancements to Network World newsletters that will provide you with more resources and more news links relevant to the newsletter's subject. Beginning 'Tues., Nov. 13, the Network Architecture Newsletter, written by Jeff Caruso, will be merged with the LAN News Alert and will be named the Network Architecture Alert. You'll get Jeff's analysis of the Network Architecture market, which you will be able to read in full at NetworkWorld.com, plus links to the day's network architecture news and other relevant resources. This Alert will be mailed on Tuesdays and Thursdays. We hope you will enjoy the enhancements and we thank you for reading Network World newsletters.
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