Let's go back to MPLS . There seems to be a fair amount of interest about this technology. Recently we talk about MPLS and QoS . Today I'd like to talk about a couple of basic pieces of equipment. So I've asked Trevor to join me for a chat Read More...

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...

Well, we've been threatening to do this for a while, so today is MPLS day. Tune in as Michel explains the basic concepts. You can listen to (or download) the PodSnack by clicking here , or you can use the Flash player below. If you have an idea or Read More...

For a long time now, I have boiled down the concepts of telecommunications to a "four-part problem" (work, communication language, movement mechanism, and access) and "two questions" ( how to solve the challenge, and where to solve Read More...

There has been a lot of press about MPLS this past year, what with new service offerings such as hosted IP Telephony and network-based VPNs utilizing the technology. (A separate podcast on the subject of VPNs is available here .) So it was probably time Read More...

There has been a lot of discussion lately about how MPLS, or network-based VPNs, are replacing other services like Frame Relay and ATM. What often is missing is an understanding that there are various types of VPNs to accomplish various goals - intentionally. Read More...