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 to present at least an introduction to MPLS technology, where it came from, what some of its goals are and how it is different than what we have seen in the past.  This podcast is meant to be just an introduction to a very large topic.  We recognize that there is a lot of interest in the subject, including migration strategies from an existing infrastructure on to MPLS, how to create CoS/QoS with MPLS, the details of the MPLS architecture and perhaps how MPLS security can be maintained.  We will try to post more details as quickly as we can.  In the meantime, this primer should help you get going.