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tHAWT Episode #172: Provider bridging

Posted Sunday, September 20, 2009 10:56 AM by thindson :: 0 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_091809.mp3
In this week's episode, Dave keeps up his stellar solo effort. In addition to covering a number of new items identified below, he continues the theme he started last week on carrier Ethernet and raps up this week with a podsnack on provider bridging. Read More...

PodSnacks: Link Aggregation

Posted Thursday, June 19, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q2/link_aggregation.mp3
Today we're going to head back to the world of Ethernet and discuss a concept related to inverse multiplexing : link aggregation . The concept is fairly simple: make two or more Ethernet links between two devices act as one higher-speed link. Still, Read More...

Muni Wi-Fi: I think I Am Dead Now

Posted Thursday, March 27, 2008 9:37 AM by mgilbert :: 1 Comments
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Earlier this week I noted that some pundits think WiMax still has some potential, and that there are market forces at work that could lead to its deployment. It would seem the same may not be true for municipal Wi-Fi , at least not according to this New Read More...

PodSnacks: IEEE Project 802

Posted Tuesday, January 22, 2008 6:00 PM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q1/ieee802.mp3
And now for something completely different, let's chat a bit about a set of standards that are important to all of us: the set of standards known collectively as IEEE Project 802 . These are important to us because within this set of standards we Read More...

PodSnacks: Gigabit Ethernet

Posted Monday, November 12, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/gige.mp3
Let's go back to a subject we started a couple of weeks ago: Ethernet transmission rates. We talked about 10BASE-T and 100BASE-T . Now let's step it up to the next transmission rate: Gigabit Ethernet . Although many people think of this as a "backbone" Read More...

PodSnacks: X.25

Posted Thursday, November 01, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/x.25.mp3
Time for a golden oldie. Although it has largely been relegated to niche environments, one of the earliest packet services offered by common carriers was something called X.25 . This service was very widely used through the 1980s and early 1990s, and Read More...

PodSnacks: Metro Ethernet Service Types

Posted Friday, October 26, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/mef_service_types.mp3
A few sessions ago, we talked a bit about terms related to Metro Ethernet . We talked about service multiplexing and we defined the term Ethernet virtual connection (EVC). Today we're going to bring those two concepts together and see how it gives Read More...

PodSnacks: Service Multiplexing

Posted Wednesday, October 17, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/service_multiplexing.mp3
Continuing on yesterday's theme of Metro Ethernet, today we look at the concept of service multiplexing . This concept is not a new one. Indeed, it should be very familiar to anyone who has experience with ATM or frame relay services. It is essentially Read More...

PodSnacks: Ethernet Virtual Connection

Posted Tuesday, October 16, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/evc.mp3
Today we shift gears a bit. We haven't exhausted all possible queuing systems, but we have covered the major ones. I don't know about you, but I'm ready for a change of subject. Having just come back from teaching a class, I was reminded how Read More...