Hello Steve,
 
Thank you for your message and for bringing this perspective to the discussion. We find the approach very interesting and promising.
 
From our side, we see a strong opportunity to develop different proof of concept GREN Map by integrating complementary layers, which could enrich the overall representation of the ecosystem:
 
We believe that combining these perspectives could provide a richer, multi-dimensional view of research and education networks.
 
As a next step, we would like to invite you to attend our demo at TNC26 on Thursday at 2:00 PM. Our session is titled "Building Smarter Networks". During the presentation, we will showcase a new visualization proposal that can apply these concepts and facilitate the mapping of these layers. It will be a great opportunity to discuss this in more detail in person.
 
We can then organize a follow-up session after TNC26 where you could present your work in depth, and we can jointly explore concrete collaboration opportunities, including the potential for a PoC.
 
Additionally, we would like to invite you to a GREN Map meeting on June 3rd to discuss a broader topic: how should we consistently represent the different types of networks and initiatives in our ecosystem?
 
Looking forward to continuing this conversation.
 
Best regards,


---
Gustavo Araújo |Coordenador de P&D | R&D Coordinator
Gerência de P&D em Ciberinfraestrutura (GCI) | Cyberinfrastructure R&D Management
Tel.: +55 61 9 8379-7918 | Teams: gustavo.araujo@rnp.br
www.rnp.br


De: Steven Wallace <ssw@internet2.edu>
Enviado: domingo, 17 de maio de 2026 21:19
Para: gren-mapping-wg@lists.nordu.net <gren-mapping-wg@lists.nordu.net>
Cc: k claffy <kc@caida.org>; Brenna Meade <bmeade@internet2.edu>
Assunto: [GREN-Mapping-WG] seeking a potential connection between the mapping effort and RE Topology Report
 
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Greetings,

Internet2 and CAIDA are developing a tool to visualize the AS-level topology of the global R&E ecosystem. The tool currently uses pre-policy routing data from Internet2, and we hope to expand it to incorporate pre-policy data from additional R&E networks.

We would like to explore how this AS-level topology work might connect with the physical topology mapping being developed by the working group.

Brenna Meade and I will be presenting these tools at TNC26. We are also hosting the BoF “Coordinating BGP Policy and Tooling Across the Global R&E Infrastructure” on Thursday from 9:00–10:30 a.m.

For working group members attending TNC26, we would welcome the opportunity to discuss how these two efforts might complement one another. We would also like to arrange a time to demonstrate the tool to the working group and get your input.

Here are a few links that demonstrate how the tool depicts AS topology for different networks:

SURFnet:
https://rootbeer.internet2.edu/re-topology-report/#asn=1103&also=112%2C288%2C1101%2C1102%2C1104%2C1124%2C1128%2C1133%2C1140%2C1145%2C1147%2C1152%2C1161%2C1200%2C1837%2C1888%2C3333%2C12654%2C25182%2C42165%2C203769%2C206130%2C214380%2C215088%2C215125

NORDUnet
https://rootbeer.internet2.edu/re-topology-report/#asn=2603&also=224%2C239%2C271%2C376%2C565%2C1653%2C1741%2C1755%2C1835%2C1878%2C1880%2C1881%2C1882%2C1883%2C1887%2C1926%2C2831%2C2832%2C2833%2C2834%2C2837%2C2838%2C2839%2C2840%2C2841%2C2842%2C2843%2C2844%2C2846%2C2847%2C3221%2C3359%2C4476%2C5479%2C5491%2C5550%2C5601%2C6509%2C8256%2C8267%2C8286%2C8326%2C8501%2C8508%2C8674%2C8748%2C8766%2C8865%2C8873%2C8970%2C8995%2C9088%2C9103%2C9112%2C11105%2C12324%2C12384%2C12423%2C12464%2C15296%2C15318%2C15373%2C15474%2C15496%2C15606%2C15665%2C15798%2C15980%2C16251%2C16263%2C16462%2C20555%2C20943%2C21182%2C22512%2C22950%2C23307%2C24597%2C24848%2C25072%2C25075%2C25192%2C25354%2C25468%2C25495%2C26206%2C26677%2C26806%2C27628%2C28678%2C29348%2C29773%2C30256%2C31337%2C31381%2C31529%2C33980%2C35052%2C36786%2C39098%2C39362%2C39590%2C39662%2C39840%2C39857%2C39871%2C39909%2C40119%2C41001%2C41092%2C42236%2C42307%2C43018%2C43558%2C43665%2C43844%2C44358%2C44959%2C46757%2C47404%2C48053%2C48227%2C48514%2C49858%2C50270%2C50561%2C50999%2C51172%2C51955%2C51966%2C56563%2C56625%2C56908%2C57021%2C58302%2C59863%2C60278%2C62138%2C64532%2C64566%2C196802%2C197005%2C197552%2C197982%2C197997%2C198093%2C198455%2C198522%2C198794%2C199028%2C199584%2C199670%2C199936%2C200611%2C200693%2C201125%2C201305%2C201617%2C201816%2C202121%2C202748%2C203311%2C203958%2C204793%2C205706%2C206006%2C206802%2C207012%2C207186%2C207204%2C207282%2C207352%2C208283%2C208338%2C209291%2C209314%2C210731%2C213088%2C213698%2C393249%2C393468%2C394015%2C394522&layout=wrapped

University of Hawaii:
https://rootbeer.internet2.edu/re-topology-report/#asn=6360&also=3477%2C16538%2C26100%2C35889%2C46744%2C56200%2C139263%2C395400

KISTI
https://rootbeer.internet2.edu/re-topology-report/#asn=17579&also=1237%2C1653%2C1704%2C1781%2C2385%2C3784%2C7560%2C7564%2C9270%2C9275%2C9317%2C9488%2C9489%2C9568%2C9637%2C9686%2C9949%2C10052%2C10063%2C10070%2C10162%2C10197%2C17595%2C17856%2C17866%2C17870%2C18026%2C18034%2C18297%2C18298%2C18336%2C20388%2C23596%2C24026%2C38426%2C38696%2C45379%2C45963%2C45984%2C55589%2C55616%2C131795%2C131869%2C152212%2C152671&layout=wrapped

Looking forward to the discussion,

steve

Steven Wallace
Director - Routing Integrity
Internet2
ssw@internet2.edu



Steven Wallace
Director - Routing Integrity
Internet2
ssw@internet2.edu
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