TNC BoF Meeting - SIG-CnaaS 11.06.2025

The BoF session about CNaaS at TNC'25 had the following goals:

To provide a forum, cooperate in the development of tools, software and standards.

The presentations held can be downloaded in the links:

SURF (Maurice van den Akker)

• Offering all inclusive full campus servce portfolio 

• Management can be done by Surf or by the institute itselv 

• All inclusive or do it yourself 

• Pilot on greenfield and brownfield: providing migration scenarios 

• Sovereign: avoid lock-in or use of proprietary  

• Work more on automation 

• Support more vendors: only support for juniper and arista 

SUNET 

• No vendor lockin 

• Collaboration with universities - no one gets fired 

• Build their own knowledge 

• Wiki.sunet.se/display/CNaaS 

• Capacity for 3-4 customer installations yearly  

• Small uni and bigger also some with multiple campuses 

• News 

• Geteduroam is working 

• eduVPN now deployed 

Around the table - countries participating: 

• Tanzania 

• Brazil/RNP x6  

• Netherlands: Surf x3 + subcontractor on CNaaS in Surf 

• Germany: DFN x2 

• Finland: University of Helsinki (also representing CSC) 

• Japan 

• California 

• Equador(?) 

• Ireland: Heanet x2 

• Slovania: Arnes: working on network autmation 

• Germany: Karslruhe tech inst 

• Ugana: RENU x1:  

• Hungary - interested 

• China: CERNET(?)  - person responsible for network(?) 

• Sunet 

RENU challenge 

• Have 3 customers, 10 in pipeline 

• High school, university, reasearch 

• Customer fedback: do we need cnaas after initial installation  

• Reduce price after first year way to og? Considering… 

• Add training 

RNP 

• Very big country 

• University - government funded 

• Huge, 20 campuses 

• They build there own solution 

• RNP can give advice 

• Eduroam - get it working - that can be something 

• Monitoring and managing - first step 

• Oportunity to give them tools 

• Package - easier for them to deploy 

• AI solution to analyze the monitoring data 

SUNET 

• Did classes and workshops with new technology - like EVPN/VXLAN 

Question from audience: How can you cope with with knowledge of both NREN technology and campus network technology? 

• Sikt has two dedicate product teams; on for NREN network, one for campus network 

Surf 

• External NOC for CNaaS and for the nren 

• Considering to do it ourself in the future 

Vendor lock-in 

• How to explain to customer you are not a new vendor lockin 

• Surf:  

• We are not a commercial vendor 

• We will help a customer if customer has new needs 

• Mutual trust 

• Collaboration on tools - really important to stay vendor agnostic 

Monitoring - regaring Aruba UXI sensors 

• Quite expensive 

• SUNET has developed a solution to test network inc wifi 

• Runs on Raspberry Pi 

Sustainability 

• Power usage 

• Surf: sustainable wifi - loose less power - idle the wifi 

• Wifi7 - need more power - a problem 

• Wait longer before deploying new technology? 

• Wifi8 coming, do not implement yet 

Looking into 5G 

• Surf: looking into private 5g 

• Authenticate with eduroam on sim card 

• Tf-mobilty 

• Some interest for 5g 

Vendor agnostic 

• Can be challenging