System News for Sun Users

802.11n: A Survival Guide

2012-04-09T16:00:00+01:00

O'Reilly's "802.11n: A Survival Guide," written by Matthew Gast, provides an in-depth look at key parts of 802.11n, showing how to achieve an Ethernet-free wireless office. Topics considered are:

Learn how MIMO�'s multiple data streams increase wireless speed
Discover how 802.11n modifications improve MAC efficiency
Examine such advanced PHY features as beanforming and space-time code block
Use advanced MAC features to maintain interoperability with older devices
Plan an 802.11n network by determining traffic demand, key applications, power requirements, and security
Choose the architecture, select hardware, and plan coverage to design and build your network

Arrogant Admin Exposed By Rogue Routers

2012-04-04T16:00:00+01:00

"A brash IT pro lands a job as a senior network admin, but soon his errors cause problems for the top execs ..

Not that long ago in an enterprise not very far away, I had the displeasure of working with an IT person we will call Eric. For a couple of years, we worked side by side on the desktop support team for the North American world headquarters of this company.

Self-confidence was never a problem for this brash, arrogant young man. More than once, he had been reported to HR for behavior that employees are warned about in those harassment prevention seminars. He was also a compulsive know-it-all. Cooking a steak? His recipe was better than yours. Working out? His routine was better. Trying to fix an issue on a user PC? His solution was best..."

4G LTE Technology: 10 Things Enterprises Should Consider

2012-04-02T16:00:00+01:00

"If you�'re an IT manager or administrator who follows the mobile space, you know that when it comes to networking, 4G Long-Term Evolution (LTE) is all the rage right now. The ultra-high-speed network, which is capable of up to 100M bps download speeds, is rapidly being rolled out across the United States. In addition, there appears to be a relatively good chance in the coming years that it will be nearly ubiquitous no matter where you go ..."

IETF Engineers Re-Engineer Their Hotel's Wi-Fi Network

2012-04-02T16:00:00+01:00

"What happens when a bunch of IETF super nerds show up in Paris for a major conference and discover their hotel's Wi-Fi network has imploded? They give it an Extreme Wi-Fi Makeover.

The Internet Engineering Task Force (IETF), which sets a range of Internet standards, gathers for its 83rd meeting this week in Paris. The jam-packed agenda is filled with reports, presentations, and meetings of working groups, researchers, and birds-of-a-feather confabs. Among the topics: Multiparty Multimedia Session Control; Operational Security Capabilities for IP Network Infrastructure; and Worthwhile Extensible Internet Registration Data Service .."