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tHAWT Episode #171: Carrier Ethernet

In this episode of the Hill Associates Week in Telecom (tHAWT) Dave is running solo. As usual he covers a number of the items within the telecom world that have caught our collective eye and are tagged on Delicious. This week we are also continuing with Read More...

PodSnacks: IEEE 802.11g (54 Mbps)

Today we'll continue our series looking at four of the transmission options for Wi-Fi wireless LANs by looking at IEEE 802.11g . This is the most commonly found Wi-Fi transmission rate today. As I prepared this snack for posting, I realized that Mark Read More...

PodSnacks: Internet Service Provider (ISP)

Since we've been talking about various Internet -related concepts, and since this question came up in my class last week, I thought I'd tackle the term Internet service provider (ISP). Most of us probably know what this is and, if we don't, Read More...

PodSnacks: Bridge Protocol Data Unit (BPDU)

The other day we talked about local area networks (LAN), and that brought to mind a little protocol we often find in LANs where we have multiple switches arranged in a redundant configuration. We call it the Spanning Tree Protocol (STP) , or more recently Read More...

PodSnacks: Local Area Network (LAN)

Today we shift to a discussion I can't believe we haven't already had. We're going to talk about the lowly local area network (LAN) , which has seen a significant amount of evolution since my early days in networking! As always, you can listen Read More...

PodSnacks: Bonding vs. Multi-Link PPP

Today, we wrap up the PPP -related series with a brief look at the Multi-Link Point-to-Point Protocol (MLPPP) and how it compares to the concept of ISDN bonding. In a nutshell, the former is a version of inverse multiplexing in which multiple lower-speed Read More...

PodSnacks: Electromagnetic Spectrum

Today we shift to a discussion about something we all use every day, and probably don't think about very often: the Electromagnetic spectrum ! Indeed, without it you could net even read this page. Tune in and I'll tell you all about it. As always, Read More...

PodSnack: Static Route

We now return to one of my personal favorites: routing . Today we look at a specific type of route called the static route . Although it sounds rather inflexible, it turns out this type of route is fairly common, and plays some important roles in packet Read More...

PodSnacks: Instant Messaging

It isn't exactly email , but instant messaging (IM) is also a messaging application we find both out on the Internet and within private corporate networks. It is widely used, and has even given rise to its own sub-language! In today's PodSnack, Read More...

PodSnacks: Multipurpose Internet Mail Extensions (MIME)

Today we shift back to email . We recently discussed SMTP , so you should know a bit about how email moves across the Internet . But SMTP, as it was initially conceived, was a pure text-based system. Today we want to send far more than that using email, Read More...

PodSnacks: Java

Today we shift to a technology related to the World Wide Web . This technology is actually a programming language known as Java , and it is the magic that makes a lot of the advanced capability of the WWW possible. In today's PodSnack, I'll explain Read More...

PodSnacks: Simple Mail Transfer Protocol (SMTP)

Today we take on email, but this time by looking at the primary protocol used for sending email over the Internet : the Simple Mail Transfer Protocol (SMTP). I hope you find it informative! As always, you can listen to (or download) the PodSnack by clicking Read More...

PodSnack: Media Access Control (MAC)

And now for something completely different, sort of. In recent days we've wandered from the Physical Layer to the Application Layer , so I thought we'd wander back down the stack for a brief visit at the Data Link Layer . Specifically, I thought Read More...

PodSnack: Browser

We recently talked about the Hypertyext Transfer Protocol (HTTP), so I thought this might be a good time to talk a little bit about the client end of that relationship. Specifically, I thought we might look at the web browser . You probably use it everyday. Read More...

PodSnacks: Hypertext Transfer Protocol (HTTP)

My desk is overflowing, and I have to get back to my development work, so this will be short and sweet. Today I'm going to talk to you about the key protocol that makes the World Wide Web possible. It's called the Hypertext Transfer Protocol ( Read More...
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