Application Layer [rss]

PodSnacks: Peer-to-peer vs. Client/server

Posted Tuesday, April 15, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q2/p2p.mp3
Over the past several weeks, there has been a lot of talk about Comcast, and other ISPs , that were attempting to get bandwidth under control by throttling users or explicitly interfering with peer-to-peer (P2P) file sharing. I thought this might be a Read More...

PodSnacks: World Wide Web

Posted Monday, April 07, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/www.mp3
We use it every day. You're using it now (if you're reading our blog)! Some even think that the World Wide Web is the Internet . It's not. It's actually just one of many applications that can be accessed via the Internet, or ride on the Read More...

PodSnacks: Domain Name System

Posted Monday, March 10, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/dns.mp3
We humans like words and names. Computers can deal with words and names, but they tend to deal with numbers. In fact, most addresses at the lower layers are numerical. I don't know about you, but I have a hard time remember a handful of phone numbers. Read More...

PodSnacks: Application Layer (Layer 7)

Posted Wednesday, February 13, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/application_layer.mp3
Today we top-off the OSI Reference Model with a look at Layer 7, also known as the Application Layer . Together with the Presentation Layer , this Layer deals with the interoperability issues of networking. It provides basic services to the applications Read More...

PodSnacks: File Transfer Protocol

Posted Monday, January 07, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/ftp.mp3
Ever notice that sometimes that URL in your browser's address bar starts with ftp:// insteadof http:// ? Your browser is going to use the File Transfer Protocol (FTP) instead of the HyperText Transfer Protocol (HTTP) to get that file. FTP is an old, Read More...

PodSnack: Email

Posted Thursday, January 03, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/email.mp3
Email is one of the longest-lived applications on the Internet , and it remains one of the most widely used. In today's PodSnack, Mark and Michel take you on a trip to the world of email, explaining how the basic system works and what protocols are Read More...

PodSnacks: Network Management System

Posted Thursday, December 27, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/nms.mp3
When networks are critical, management becomes essential. In today's PodSnack, Michel will take you through the basic elements of a modern network management system (NMS) You can listen to (or download) today's featured PodSnack by clicking here Read More...

PodSnacks: Uniform Resource Locators (URL)

Posted Tuesday, November 27, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/url.mp3
We use them every day: those pesky strings of text that we type into our browser address bar. They are known as Uniform Resource Locators , or just URL. Some of them can be very convoluted. So what do they mean? How come I type just www.hill.com and end Read More...

PodSnacks: IPT vs. VoIP

Posted Wednesday, November 21, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/voip-vs-ipt.mp3
The world is abuzz about convergence . Actually, it's been abuzz for quite some time, so we're all a bit dizzy. However, convergence (which is partly about the bringing together of voice, video, and data into common networks, services, applications, Read More...

PodSnacks: Network Time Protocol

Posted Monday, September 24, 2007 7:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q3/ntp.mp3
One of the difficulties network administrators have in managing a network is coordinating network failure events. A single failure can create a multitude of effects within a network, but if the devices don't use a common time stamp, correlating these Read More...

PodSnacks: World Wide Web (WWW)

Posted Friday, March 23, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/www.mp3
We use it every day. You're using it now (if you're reading our blog)! Some even think that the World Wide Web is the Internet . It's not. It's actually just one of many applications that can be accessed via the Internet, or ride on the Read More...

PodSnacks: Application Layer

Posted Tuesday, February 20, 2007 8:26 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/application_layer.mp3
Today we top-off the OSI Reference Model with a look at Layer 7, also known as the Application Layer . Together with the Presentation Layer , this Layer deals with the interoperability issues of networking. It provides basic services to the applications Read More...