[mpls] I-D Action: draft-ietf-mpls-egress-tlv-for-nil-fec-01.txt
internet-drafts@ietf.org Wed, 20 October 2021 17:34 UTC
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Subject: [mpls] I-D Action: draft-ietf-mpls-egress-tlv-for-nil-fec-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multiprotocol Label Switching WG of the IETF. Title : Egress TLV for Nil FEC in Label Switched Path Ping and Traceroute Mechanisms Authors : Deepti N. Rathi Kapil Arora Shraddha Hegde Zafar Ali Nagendra Kumar Nainar Filename : draft-ietf-mpls-egress-tlv-for-nil-fec-01.txt Pages : 10 Date : 2021-10-20 Abstract: MPLS ping and traceroute mechanism as described in RFC 8029 and related extensions for SR as defined in RFC 8287 is very useful to precisely validate the control plane and data plane synchronization. There is a possibility that all intermediate or transit nodes may not have been upgraded to support these validation procedures. A simple mpls ping and traceroute mechanism comprises of ability to traverse any path without having to validate the control plane state. RFC 8029 supports this mechanism with Nil FEC. The procedures described in RFC 8029 are mostly applicable when the Nil FEC is used as intermediate FEC in the label stack. When all labels in label stack are represented using single Nil FEC, it poses some challenges. This document introduces new TLV as additional extension to exisiting Nil FEC and describes mpls ping and traceroute procedures using Nil FEC with this additional extensions to overcome these challenges. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-mpls-egress-tlv-for-nil-fec/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-mpls-egress-tlv-for-nil-fec-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-egress-tlv-for-nil-fec-01 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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