@techreport{worster-mpls-in-ip-05, number = {draft-worster-mpls-in-ip-05}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-worster-mpls-in-ip/05/}, author = {Paul Doolan and Yasuhiro Katsube}, title = {{MPLS Label Stack Encapsulation in IP}}, pagetotal = 7, year = 2001, month = jul, day = 25, abstract = {Several useful applications of MPLS tunnels based on LSPs with second level labels between non adjacent LSRs have been identified: IP-VPNs and VoIP over MPLS are just two examples. This tunnelling technique can easily be extended to non-MPLS core networks. This Internet-Draft explains the motivation for encapsulating MPLS messages in IP and provides the protocol specification of the encapsulation.}, }