I’ve written several posts on different aspects of MPLS: How the FEC is key to the separation of control and forwarding functions in MPLS, the difference between implicit and explicit null labels, how ...

In the last two posts I discussed the role of FECs in MPLS networks, and implicit and explicit null labels. In this brief post I’d like to discuss MPLS label stacking, as a preliminary to a couple of ...

DENVER — As extensions to the multiprotocol label switching standard make MPLS viable for virtual private network transport, experts are warning against taking the protocol too far, too fast. MPLS is ...