MPLS Payload Protocol Identifier

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Last updated 2017-06-29 (latest revision 2016-12-26)
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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 is useful for any new encapsulation header which may need to be encapsulated with an MPLS header.


Xiaohu Xu (

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