Preparing your network to be managed
Over the last few weeks I've had the opportunity to visit some friends of mine who were starting IT management projects within their organizations. Those meetings got me thinking about all the things that need to happen to enable...
Cisco Live! Las Vegas 2011
Last week I had the opportunity to speak at Cisco Live! and to talk with hundreds of IT professionals. Cisco Live! is one of my favorite events of the year as it's focused exclusively on geeks like me, whereas many shows are more...
The Transport Layer: Understanding layer 4 of the OSI Model
I like to think of the transport layer as the layer of the OSI Model that enables more interesting traffic. While we network engineers may love a lot of the simpler uses of the IP protocol and networks in general, we'd all be jobless...
The always-connected world of modern medicine
This week I've been hanging out at the hospital, spending time with my family and learning about medical IT. My wife's a doc so I'm often exposed to medicine from a physician's viewpoint, but it's been a while since I spent time with...
The United Airlines outage, and why it's so important to manage change
When I saw the news about the recent United Airlines system outage, and the travel problems it caused, I was especially interested. As you have probably read, United experienced a system outage last weekend that caused 36 flights to...
X-Men, virtualization and why they're relevant to you
Earlier this week I went to see X-Men: First Class. I told myself that it was research for this blog post so I didn't feel too bad about leaving work a bit early, avoiding traffic and catching an afternoon showing. It was awesome....
The Network Layer: Understanding layer 3 of the OSI Model
The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 is the one that can take you...
Lady Gaga breaks Amazon.com, and what you should learn from it
Lady Gaga just released her latest album. Say what you want to about her music, but Lady Gaga is a genius when it comes to marketing. Rather than bellyache about how digital music distribution and piracy are decreasing revenues for...
The Data Link Layer: Understanding one of my favorite layers of the OSI Model
A couple posts ago, we talked about Layer 1 of the OSI Model -- the Physical Layer. Today, we'll start our climb up the Model with a visit to Layer 2, the Data Link Layer.The Data Link Layer is one of my favorite layers of the OSI...
Securing wireless networks at home and at work
In case you didn't see it, there was an interesting post on Network World detailing a heckuva Wi-Fi security horror story. Imagine sitting on the couch with your family watching the latest episode of American Idol, Gray's Anatomy...
The Physical Layer: Understanding the OSI Model
Thanks for your comments on my first EtherGeek post on understanding the OSI Model. I especially enjoyed learning new ways to remember the OSI Model; for example: Please Do Not Throw Stale Pizza Away. Now, thats a philosophy I can...
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