%% You should probably cite draft-xu-mpls-payload-protocol-identifier-09 instead of this revision. @techreport{xu-mpls-payload-protocol-identifier-00, number = {draft-xu-mpls-payload-protocol-identifier-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-xu-mpls-payload-protocol-identifier/00/}, author = {Xiaohu Xu and Mach Chen}, title = {{MPLS Payload Protocol Identifier}}, pagetotal = 7, year = 2013, month = sep, day = 26, abstract = {The MPLS label stack has no explicit protocol identifier field to indicate the protocol type of the MPLS payload. This document proposes a mechanism for containing a protocol identifier field within the MPLS packet, which may be useful in some emerging use cases (e.g., network service chain and MPLS payload inspection).}, }