[rssac-caucus] NSID or other identifying support by rootops?

Joe Abley jabley at hopcount.ca
Tue Sep 22 14:42:14 UTC 2015



On 21 Sep 2015, at 14:58, Paul Hoffman wrote:

> Greetings again. In a definitely non-exhaustive survey, it appears that F,
> H, K, and L respond to the EDN0 NSID (RFC 5001) query.

We wrote down what L does:

A new Request for Comments is now available in online RFC libraries.

        
        RFC 7108

        Title:      A Summary of Various Mechanisms 
                    Deployed at L-Root for the Identification 
                    of Anycast Nodes 
        Author:     J. Abley, T. Manderson
        Status:     Informational
        Stream:     Independent
        Date:       January 2014
        Mailbox:    jabley at dyn.com, 
                    terry.manderson at icann.org
        Pages:      11
        Characters: 24125
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-jabley-dnsop-anycast-mapping-04.txt

        URL:        http://www.rfc-editor.org/rfc/rfc7108.txt

Anycast is a deployment technique commonly employed for
authoritative-only servers in the Domain Name System (DNS).  L-Root,
one of the thirteen root servers, is deployed in this fashion.

Various techniques have been used to map deployed anycast
infrastructure externally, i.e., without reference to inside
knowledge about where and how such infrastructure has been deployed.
Motivations for performing such measurement exercises include
operational troubleshooting and infrastructure risk assessment.  In
the specific case of L-Root, the ability to measure and map anycast
infrastructure using the techniques mentioned in this document is
provided for reasons of operational transparency.

This document describes all facilities deployed at L-Root to
facilitate mapping of its infrastructure and serves as documentation
for L-Root as a measurable service.
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