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PodSnacks: Quality of Service vs. Class of Service

Posted Tuesday, December 11, 2007 6:00 AM by mgilbert :: 2 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/cos-qos.mp3
Two concepts that are commonly confused in the telecommunications industry are Class of Service (CoS) and Quality of Service (QoS). In today's PodSnack, Mark and Michel discuss these two terms, provide some simple definitions and a simple analogy Read More...

PodSnacks: ATM Service Types

Posted Friday, November 02, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/atm_vc.mp3
Today I want to wander back to the world of ATM . ATM defines several different types of virtual circuit , and they have bizarre names like CBR , VBR , UBR , GFR , and ABR . So today Trevor and I are going to walk you through the difference between these Read More...

PodSnacks: MPLS QoS

Posted Tuesday, October 23, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/mpls_qos.mp3
The discussion about congestion and packet discard discard continues! Today, Trevor and I chat a bit about the way packet discard is handled in MPLS networks, including how mapping is performed between the various CoS signaling strategies (e.g., DiffServ Read More...

PodSnacks: Packet Discard

Posted Monday, October 22, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/packet_discard.mp3
Trevor and I seem to be on a roll, so what the heck, let's have another PodSnack together. Today's topic picks up on the the other day, when we discussed congestion . Today we're going to discuss packet discard . Enjoy! As always, you can Read More...

PodSnacks: Deficit Weighted Round Robin Queuing

Posted Monday, October 15, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/dwrr.mp3
Today we complete our discussion of queuing . We've looked at FIFO queues and strict priority queues (SPQ). We've also looked at round robin queues and weighted round robin (WRR) queues. In our last snack on this specific topic, we're going Read More...

PodSnacks: Weighted Round Robin

Posted Friday, October 12, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/wrr.mp3
Today we build on our discussion of round robin queues by looking at a way to give different queues in the system a weighting. The new queuing system is, obviously enough, called weighted round robin queuing . It's still not the perfect queue, but Read More...

PodSnacks: Round Robin Queuing

Posted Thursday, October 11, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/rrq.mp3
I sure as heck hope you're interested in queuing concepts, because we seem to be on a roll with different queuing models. So far we've talked about first in, first out (FIFO) queues and strict priority queues (SPQ). Today we are going to talk Read More...

PodSnacks: Strict Priority Queuing

Posted Wednesday, October 10, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/spq.mp3
In our on-going series about queuing in packet networks, today we're going to look at a queuing technique that is more sensitive to the differences in traffic type than first in, first out (FIFO) queues. This type of queue, called a strict priority Read More...

PodSnacks: DiffServ

Posted Tuesday, October 09, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/diffserv.mp3
Since we've been on something of a quality of service (QoS) theme, and since we got a request for it, today we're going to talk a little about DiffServ . DiffServ is more about class of service (CoS) than it is about QoS, but the concepts are Read More...

PodSnacks: Class of Service (CoS) vs. Quality of Service (QoS)

Posted Friday, January 12, 2007 9:09 AM by mgilbert :: 0 Comments
Filed under , , , ,
Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/cos-qos.mp3
Two concepts that are commonly confused in the telecommunications industry are Class of Service (CoS) and Quality of Service (QoS). In today's PodSnack, Mark and Michel discuss these two terms, provide some simple definitions and a simple analogy Read More...