* Do-it-yourself networking is alive and well
* Aruba takes on VoIP security vulnerability
* SBC is latest LEC to offer MPLS VPN service
* Industry tackles voice over WLAN issues
* Industry excitement swells over delay-elimination technologies
* Researcher releases mobile carrier scorecard
* When you should use IPSec, SSL and MPLS
* Who's in charge of mobile Web-services standards?
* As work forces move away from the office, challenges ensue
* Security, performance boosts are on Microsoft's WLAN agenda
