New IPv6 Multicast Addresses for Switch ML

Document Type Expired Internet-Draft (individual)
Author Hemant Singh 
Last updated 2020-06-11 (latest revision 2019-12-09)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Recently, in-network aggregation to scale distributed machine learning (ML) has been presented. A network switch implementation uses IPv4 broadcast messages from switch to the hosts to send updates to all workers. IPv6 does not support broadcast addresses. This document proposes, IPv6 implementations use the IPv6 link-local all- nodes multicast address, until a new IPv6 link-local multicast address is assigned by IANA for switch to hosts multicast communications.


Hemant Singh (

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