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RFC 8595
An MPLS-Based Forwarding Plane for Service Function Chaining,June 2019
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DOI: https://doi.org/10.17487/RFC8595
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Abstract
This document describes how Service Function Chaining (SFC) can beachieved in an MPLS network by means of a logical representation ofthe Network Service Header (NSH) in an MPLS label stack. That is,the NSH is not used, but the fields of the NSH are mapped to fieldsin the MPLS label stack. This approach does not deprecate or replacethe NSH, but it acknowledges that there may be a need for an interimdeployment of SFC functionality in brownfield networks.
For the definition ofStatus,seeRFC 2026.
For the definition ofStream, seeRFC 8729.