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Site Editor Jeff Caruso helps you make sense of the evolving world of LANs and routers.

Your source for LAN news and resources from Network World.
100 Gigabit Ethernet is coming - then what?
07/08/09
The Ethernet Alliance can see the light at the end of the standards tunnel for 40 Gigabit and 100 Gigabit Ethernet, or IEEE 802.3ba, which are expected to be ratified in June 2010. But the work doesn't end there, and the alliance is looking for your input on where to go next.
Beware the default router password!
07/06/09
It is the simplest of security precautions, but it is one that still is often not followed: Change your default router password to something else.
Bad guys learn a lesson about disaster recovery
07/02/09
It didn't take long for spammers to learn their lesson. About seven months after the McColo shutdown took out their command-and-control operations, a similar shutdown last month was anticipated and routed around.
Better than your average blog
06/29/09
One of the best resources at Network World for network architecture and design is celebrating his second anniversary with us, and it's worth taking a look at the wealth of advice he has created in his blog.
Nortel's problems were Bay-sic
06/24/09
As Nortel goes through its last stages, there are a lot of people analyzing what went wrong, particularly in the time since the dot-com bust. But for me, the watershed moment was just before then, when Nortel bought Bay Networks.
Coalition formed to push fiber via ARRA
06/22/09
An impressive number of groups have banded together to push for building the Internet out in a particular way.
TV over Ethernet part of larger trend
06/17/09
On one hand, it's really just an incremental advance - but on the other hand, LG shipping TVs that gets their content directly from an Ethernet connection to the Internet heralds a revolution.
An exciting time for data center networking
06/15/09
All kinds of vendors are getting into the data center networking game, trying to be the one-stop shop for all of your data center needs. But what will that mean for you in the long run?
The shadow network architecture
06/10/09
We live in an age when the networks we have created give us so much access and so much power. Naturally, there are those who have taken that beautiful thing and twisted it for their own evil ends.
Vyatta refuels for race against Cisco
06/08/09
Open-source router maker Vyatta has raised $10.1 million in its third round of venture funding, according to reports, as it continues to push its view of routing as a commodity.
Router market expected to take a rare dip
06/03/09
The Dell'Oro Group recently released some gloomy projections for various segments of the networking market, with IP lines for the PBX market expected to decline for the first time ever and the router market expected to decline for the first time in seven years.
Ethernet Alliance tests Data Center Bridging
06/01/09
The Ethernet Alliance last month held a series of interoperability tests for IEEE 802.1 Data Center Bridging (DCB), with vendors ranging from Cisco to Intel.
Nortel looking to sell stake in joint venture
05/27/09
Nortel this week confirmed that it is looking for a buyer for its majority stake in a joint venture with LG Electronics.
Buzzword compliance is making things a little, um, cloudy
05/26/09
Network equipment vendors are getting a little buzzword-crazy when it comes to one of the biggest buzzwords today - "cloud computing" - and suddenly all of their switches and routers have "cloud" capabilities. Give me a break.
Motorola introduces Passive Optical LAN
05/21/09
Motorola this week introduced its Passive Optical LAN technology for enterprise networks. At the Interop trade show in Las Vegas, Motorola unveiled POL, which brings gigabit passive optical networking, or GPON, to enterprise backbones.
A10 extends load balancing lineup with energy efficiency in mind
05/19/09
A10 Networks' new load-balancing appliance is designed to provide high throughput in a compact size. The AX 5200 offers throughput of 40Gbps and a maximum power-consumption of 680 Watts.
Next HDMI to have Ethernet built in
05/18/09
Several Web sites last week came forward with details of the next version of the HDMI cable specification, one that will have Ethernet capabilities built in - but the group responsible for the spec isn't verifying any of those details.
Nortel is certainly taking its time
05/13/09
Outside Nortel, the scene is one of press and analysts glancing frequently and impatiently at their watches. Inside, Nortel says it's tearing itself to pieces. And then there are the vultures.
PoE without the PoE switch
05/12/09
If you have lots of Ethernet switches that you want to convert to PoE switches, the place to turn may be a midspan.
Could this technology accelerate the shift to wireless?
05/07/09
The Wireless Gigabit Alliance formally launches Thursday with a vision of wireless networking in excess of 1Gbps.
The culture has shifted
05/05/09
In 2003, I speculated that wireless LAN technology could at some point become the preferred option for connecting to networks - that we would see wireless trump wired connections in many cases. In 2009, it looks like we're seeing that starting to happen.
Broadband stimulus funds are coming soon
04/30/09
Within the massive American Recovery and Reinvestment Act of 2009, there is about $7.2 billion set aside for building out broadband infrastructure, and the process of getting that funding into carriers' hands is under way.
802.1Qay closes in on standardization
04/28/09
The IEEE last week said that its 802.1Qay specification for service-provider networks has entered the final phase for ratification as a standard.
Society created to save the Internet
04/23/09
A new group will meet next month to start tackling a truly herculean task: solving the Internet architecture crisis.
The network is the computer is the network
04/21/09
It's so strange to see HP and Sun in such hot competition with Cisco in their server announcements. But this is our new reality.

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Jeff Caruso is site editor at Network World.

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