George Ou

George Ou, a former ZDNet blogger, is an IT consultant specializing in Servers, Microsoft, Cisco, Switches, Routers, Firewalls, IDS, VPN, Wireless LAN, Security, and IT infrastructure and architecture.</p>

Latest Posts

Is Airgo the uncrowned king of 802.11n MIMO?

Is Airgo the uncrowned king of 802.11n MIMO?

In March of 2005, the war for the 802.11n MIMO (Multiple In Multiple Out) high-speed wireless LAN standard seemed all but a foregone conclusion for the TGn Sync group since they had achieved a simple majority vote (57%) of attendees at the Institute of Electrical and Electronic Engineers 802.

June 19, 2005 by in Networking

Apple sold to Intel to defeat Microsoft?

Apple sold to Intel to defeat Microsoft?

When I posted this blog on Wednesday about Mac disciples' reluctance to embrace Intel, I couldn't have imagined that Robert Cringely (of PBS) would have fallen in to the same trap the very next day.   Apparently, Cringely is speculating that Steve Jobs' ultimate goal is to sell Apple to Intel so that Microsoft can be defeated.

June 9, 2005 by in Processors

Mac disciples reluctant to embrace Intel

Mac disciples reluctant to embrace Intel

For some in the Mac community, it will take longer than others to undo a decade's worth of brainwashing by Steve Jobs and Company that the PowerPC is a superior CPU.  Had I dared to suggest, just one week ago, that their precious G4 and G5 was inferior to Intel's Pentium 4 and the current Pentium M technology, I would have had flame for weeks.

June 7, 2005 by in Apple

Understanding the updated WPA and WPA2 standards

Understanding the updated WPA and WPA2 standards

If the challenge of securing a wireless LAN wasn't already confusing enough, things have just gotten worse.  The confusion started last month when the Wi-Fi Alliance changed the WPA and WPA2 standards from supporting a single EAP (Extensible Authentication Protocol) standard to five EAP standards.

June 1, 2005 by in Networking

Cisco introduces all-in-one low-cost products

Cisco introduces all-in-one low-cost products

Cisco is releasing a new series of low-cost products that are a hybrid of switches, routers and wireless access points.  The new Cisco 870 series integrated services router merges a Cisco IOS  (Internetworking Operating System) router, an IOS switch, and an Aironet based IOS access point into a single product with a single operating system.

May 20, 2005 by in Cisco

Microsoft lays the groundwork for WPA2 and 802.11i

Microsoft lays the groundwork for WPA2 and 802.11i

Just last week, Microsoft released the new WPA2 (Wi-Fi Protected Access version 2) patch for Windows XP SP2, and Microsoft presents a good overview of it in this month's edition of their Cable Guy articles.  You can find the actual download for the WPA2 upgrade here.

May 16, 2005 by in Networking

WEP cracking for dummies

WEP cracking for dummies

For those who still don't think it's a major problem to run WEP encryption on a wireless LAN, this is your final warning.  Humphrey Cheung of Tomsnetworking has released a tutorial that can essentially be summed up as "WEP cracking for dummies".

May 12, 2005 by in Networking

High definition video conferencing is here

High definition video conferencing is here

Last week at Interop 2005, there was a lot of buzz on HD video conferencing from multiple vendors.  Polycom was suppose to be doing some limited HD demonstrations in their booth, but I didn't actually see any HD demos while visiting their booth.

May 10, 2005 by in Hardware

Low cost enterprise grade video conferencing

Low cost enterprise grade video conferencing

Up until recently, you needed an enterprise grade video conferencing hardware solution costing thousands of dollars to achieve near broadcast quality video conferencing.  Polycom has changed all that with their new PVX software (about $150) which brings the same type of video quality to personal computers (with CPUs above a Pentium 4 2.

May 5, 2005 by in Hardware

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