BGP Flow Specification Extensions to Enable In-situ Flow Information Telemetry (IFIT)

Document Type Expired Internet-Draft (individual)
Authors Liu Min  , Yali Wang  , Ran Pang 
Last updated 2020-09-24 (latest revision 2020-03-23)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


BGP Flowspec mechanism propogates both traffic Flow Specifications and Traffic Filtering Actions by making use of the Border Gateway Protocol Network Layer Reachability Information (BGP NLRI) and the BGP Extended Community encoding formats. In order to address the automatic deployment of IPv4 unicast and VPNv4 unicast on-path flow telemetry as well as IPv6 families, this document specifies a new BGP Extended Community named IFIT Action Specific Extended Community to distribute In-situ Flow Information Telemetry (IFIT) actions.


Liu Min (
Yali Wang (
Ran Pang (

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