NETWORK WORLD NEWSLETTER: JOANIE WEXLER ON WIRELESS IN THE ENTERPRISE 09/01/04 Today's focus: 802.11n to bring high speeds, power management to Wi-Fi
Dear [EMAIL PROTECTED], In this issue: * IEEE to review 802.11n proposals next month * Links related to Wireless in the Enterprise * Featured reader resource _______________________________________________________________ This newsletter is sponsored by Meru Networks Beyond Bandwidth: Managing Capacity in WLAN Systems The requirement to support critical applications, including voice and other time-bounded traffic, has proved to be a powerful incentive for creative thinking in WiFi. We have now shifted our thinking from the basics of RF, where we attempt to optimize bandwidth, to the coordinated management of capacity in pervasive WLAN deployments. Click Here to receive a paper written by FarPoint Group on WLAN capacity. http://www.fattail.com/redir/redirect.asp?CID=78925 _______________________________________________________________ IS SECURITY RIPE FOR OUTSOURCING? Security demands for online applications such as e-commerce and Web services are prompting more corporate customers to hand off security functions - such as intrusion detection and firewalls - to outside service providers. Find out if security should be outsourced in this Network World article: http://www.fattail.com/redir/redirect.asp?CID=78246 _______________________________________________________________ Today's focus: 802.11n to bring high speeds, power management to Wi-Fi By Joanie Wexler It's been a long time since I mentioned 802.11n, the next generation of Wi-Fi that will bring higher speeds and other advantages to the wireless LAN table. A year ago, 802.11n was a gleam in the industry's eye. Today, 60-odd partial or complete proposals for how to achieve above-100M bit/sec WLAN speeds have been submitted to the IEEE 802.11 Working Group, which will review them in mid-September. Faster Wi-Fi LANs will allow the industry more wiggle room for applications such as VoIP, which can clobber performance in highly utilized Wi-Fi networks when many VoIP callers associate to a single access point, particularly in 11M bit/sec 802.11b environments. At this juncture, the Wi-Fi industry has one of those situations in which two large competing consortia, each with its own complete 802.11n proposal, could threaten to stall standards. Both camps have included multiple input, multiple output (MIMO) technology - the fair-haired wireless child of the decade for spectral efficiency - in their proposals. It is also likely that the ultimate standard will include provisions for power management. "Battery life [in client devices] needs to extend from hours to days," says Sheung Li, a product line manager at Atheros Communications and TGn Sync coalition's representative to the IEEE 802.11 Working Group. TGn Sync is one of the two large vendor groups that has submitted an 802.11n proposal. Its proposal includes a power management provision, including a way to enable products to operate in very low power modes. TGn Sync's proposal calls for 243M bit/sec Wi-Fi speeds with two antennas and up to 600M bit/sec with four. Its members include Agere, Atheros, Cisco, Intel, Marvell, Nokia, Nortel, Royal Philips, Samsung, Sanyo, Sony and Toshiba. The proposal of the other major group, WWiSE (for "Worldwide Spectral Efficiency"), comprising Airgo Networks, Bermai, Broadcom, Conexant Systems, STMicroelectronic and TI, aims for 135M bit/sec mandatory speeds using two antennas and up to 540M bit/sec in optional mode using four antennas. Rolf De Vegt, business representative for Airgo in the WWiSE group of companies, notes that WWiSE is not charging any royalties to vendors who build according to the WWiSE spec. "We believe that this is a different model and will lower costs," he says. Analysts expect the 802.11n standard to appear in roughly 18 months. RELATED EDITORIAL LINKS Opinion: Faster than you need is not fast enough Network World, 08/23/04 http://www.nwfusion.com/columnists/2004/082304bradner.html Vendors try defining MIMO http://www.nwfusion.com/news/2004/081604mimo.html Agere touts promise of 250M bit/sec WLAN http://www.nwfusion.com/news/2004/0712agere.html 802.11n, 802.15.3 join network stew http://www.nwfusion.com/nlwir546 Nextel tests wireless broadband waters Network World, 08/30/04 http://www.nwfusion.com/news/2004/083004flarion.html _______________________________________________________________ To contact: Joanie Wexler Joanie Wexler is an independent networking technology writer/editor in California's Silicon Valley who has spent most of her career analyzing trends and news in the computer networking industry. She welcomes your comments on the articles published in this newsletter, as well as your ideas for future article topics. Reach her at <mailto:[EMAIL PROTECTED]>. _______________________________________________________________ This newsletter is sponsored by Meru Networks Beyond Bandwidth: Managing Capacity in WLAN Systems The requirement to support critical applications, including voice and other time-bounded traffic, has proved to be a powerful incentive for creative thinking in WiFi. We have now shifted our thinking from the basics of RF, where we attempt to optimize bandwidth, to the coordinated management of capacity in pervasive WLAN deployments. Click Here to receive a paper written by FarPoint Group on WLAN capacity. http://www.fattail.com/redir/redirect.asp?CID=78924 _______________________________________________________________ ARCHIVE LINKS Archive of the Wireless newsletter: http://www.nwfusion.com/newsletters/wireless/index.html Wireless research center Latest wireless news, analysis and resource links http://www.nwfusion.com/topics/wireless.html _______________________________________________________________ FEATURED READER RESOURCE NW FUSION PARTNERS' SITES NOW AVAILABLE Network World Fusion Partners is a collaborative effort between Network World and sponsoring Partner companies. Each microsite contains best-of-breed information as well as custom content not found anywhere else, including a custom email newsletter and special offers. It is current, top-of-mind information that is readily accessible and bundled into one comprehensive package.. 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