RFC 8401 · PROPOSED STANDARD · 2018
SUN · 14 JUN 2026
Bit Index Explicit Replication Support via IS-IS
Overview
RFC 8401, “Bit Index Explicit Replication Support via IS-IS”, is a Proposed Standard document published in June 2018 by L. Ginsberg, T. Przygienda, S. Aldrin, Z. Zhang. It has since been updated by RFC 9272. The canonical text is published by the RFC Editor.
Abstract
This document defines IS-IS extensions to support multicast forwarding using the Bit Index Explicit Replication (BIER) architecture.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 8401 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2018
- RFC 8400 Extensions to RSVP-TE for Label Switched Path Egress Protection
- RFC 8402 Segment Routing Architecture
- RFC 8399 Internationalization Updates to RFC 5280
- RFC 8403 A Scalable and Topology-Aware MPLS Data-Plane Monitoring System
- RFC 8398 Internationalized Email Addresses in X.509 Certificates
- RFC 8404 Effects of Pervasive Encryption on Operators
- RFC 8397 Transparent Interconnection of Lots of Links Multilevel Using Unique Nicknames
- RFC 8405 Shortest Path First Back-Off Delay Algorithm for Link-State IGPs