Technical Summary
In various applications of MPLS, label stacks with multiple entries
are used. In some cases, it is possible to replace the top label of
the stack with an IP-based encapsulation, thereby enabling the
application to run over networks which do not have MPLS enabled in
their core routers. This draft specifies two IP-based
encapsulations, MPLS-in-IP, and MPLS-in-GRE (Generic Routing
Encapsulation). Each of these is applicable in some circumstances.
Working Group Summary
The draft has gone through a discussion within the WG and the WG LC.
There was a WG consensus on this document.
Protocol Quality
The document has been review for the IESG by Alex Zinin and Routing Area
Directorate.