Hello,

We’ve submitted a draft for the Near Real Time Mirroring Protocol (NRTM) 
version 4: https://datatracker.ietf.org/doc/draft-spaghetti-grow-nrtm-v4/

This document specifies a one-way synchronization protocol for Internet Routing 
Registry (IRR) records. The protocol allows instances of IRR database servers 
to mirror IRR records, specified in in the Routing Policy Specification 
Language (RPSL), between each other.

NRTMv4 is intended as a replacement of current synchronization methods mainly 
based on FTP downloads and NRTM version 3, which have many problems that are 
addressed in NRTMv4.

The need for this originated from experiences by users of IRRD v4, and 
discussions in the RIPE Database working group, tracked under NWI-12:
https://www.ripe.net/ripe/mail/archives/db-wg/2020-November/006720.html

The broad strokes of this draft were previously discussed in a BoF in the RIPE 
Database wg, which included several operators of IRR databases, and responses 
were overall positive. I am also the maintainer of IRRD v4, one of the most 
widely used IRR database servers, and will implement it in there.

I’m proposing this draft for adoption by this working group. I would also be 
happy to present it in the IETF 113 session.

Sasha Romijn

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