Connecting MPLS-SPRING Islands over IP Networks

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Last updated 2015-09-03 (latest revision 2015-03-02)
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MPLS-SPRING is an MPLS-based source routing paradigm in which a sender of a packet is allowed to partially or completely specify the route the packet takes through the network by imposing stacked MPLS labels to the packet. To facilitate the incremental deployment of this new technology, this document describes a mechanism which allows the outermost LSP be replaced by an IP-based tunnel.


Xiaohu Xu (
Robert Raszuk (
Uma Chunduri (
Luis Contreras (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)