Networking

Ethernet tweaks make protocol fit for factory nets

AT&T: Investments paying dividends

How we did it

VoIP over Wi-Fi from the Ottawa airport

* Voice over Wi-Fi at the Ottawa airport worked and was economical

Using PVLANs to bolster security

* Dr. Internet columnist Steve Blass discusses how to use private virtual LANs to bolster security

Nortel’s Owens has his work cut out

Net overhaul alters engineers work

School district saves with VoIP, open source

Tools, services help test VoIP quality

Microsoft sells ID mgmt. plan